WO2013145917A1 - 電池ユニット、電池モジュール、蓄電システム、電子機器、電力システムおよび電動車両 - Google Patents
電池ユニット、電池モジュール、蓄電システム、電子機器、電力システムおよび電動車両 Download PDFInfo
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- WO2013145917A1 WO2013145917A1 PCT/JP2013/053600 JP2013053600W WO2013145917A1 WO 2013145917 A1 WO2013145917 A1 WO 2013145917A1 JP 2013053600 W JP2013053600 W JP 2013053600W WO 2013145917 A1 WO2013145917 A1 WO 2013145917A1
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- battery
- power
- battery module
- module according
- transfer plate
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- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
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- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
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- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
- H01M50/522—Inorganic material
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Definitions
- the present disclosure relates to a battery unit, a battery module, a power storage system, an electronic device, a power system, and an electric vehicle.
- lithium ion secondary batteries using carbon as a negative electrode, a lithium-transition metal composite oxide as a positive electrode, and a carbonate ester mixture as an electrolyte are widely known.
- the carbonate ester is stable against oxidation and reduction with respect to water and other organic solvents, and can obtain a higher voltage than the nickel metal hydride battery that is an aqueous battery. High energy density and high capacity. Therefore, lithium ion secondary batteries are widely used as secondary batteries for power tools, notebook computers, mobile phones, video cameras, digital still cameras, and the like.
- lithium ion secondary batteries have begun to be used for industrial purposes such as electric vehicles and power storage in addition to the above uses.
- industrial secondary batteries high capacity, high output and long battery performance are required.
- One of the battery performances that can withstand a large current is heat dissipation. It is known that when a large current is applied, the battery generates heat, but an excessive increase in battery temperature promotes deterioration of battery performance and shortens battery life. Therefore, it is important how efficiently the battery heat can be dissipated, and various studies have been made.
- Patent Document 1 when four lithium ion batteries are stacked in a vehicle lithium ion battery, a metal heat dissipating plate is provided between the lithium ion battery, and the lithium ion battery and the heat dissipation are arranged.
- a configuration in which the plate and the end plate are fastened by a fastening belt is disclosed.
- the lithium ion battery and the metal heat sink are separate parts, and the laminated state is fixed only by the tightening force of the fastening belt, and there is a problem that the laminated state tends to collapse. There is a problem that the number of batteries that can be stacked cannot be increased. Furthermore, the lithium-ion battery expands as compared to the initial state when the usage period becomes longer. The thing of patent document 1 suppresses expansion
- an object of the present disclosure is to provide a battery unit, a battery module, a power storage system, an electronic device, a power system, and an electric vehicle that can improve the heat dissipation effect and cope with battery expansion.
- the present disclosure includes a plurality of battery units arranged so that the surface of the heat transfer plate held by the battery support made of an insulating material faces the main surface of the battery cell. And it is a battery module formed by laminating a plurality of battery units.
- the present disclosure is a battery support made of an insulating material that holds a heat transfer plate, and a battery unit that is arranged so that the surface of the heat transfer plate and the main surface of the battery cell face each other.
- the present disclosure is a power storage system in which the battery module described above is charged by a power generation device that generates power from renewable energy.
- the present disclosure is a power storage system that includes the battery module described above and supplies power to an electronic device connected to the battery module.
- the present disclosure is an electronic device that receives power supply from the battery module described above.
- the present disclosure is an electric vehicle that includes a conversion device that receives power supplied from the battery module and converts the power into driving force of the vehicle, and a control device that performs information processing related to vehicle control based on information related to the battery module. .
- the present disclosure has a power information transmission / reception unit that transmits and receives signals to and from other devices via a network, It is an electric power system which performs charging / discharging control of the battery module mentioned above based on the information which the electric power information transmission / reception part received.
- the present disclosure is a power system that receives power from the battery module described above or supplies power to the battery module from a power generation device or a power network.
- the heat transfer plate is fixed to the battery support, and the main surfaces of the two battery cells are in close contact with both surfaces of the heat transfer plate.
- the heat generated in the battery cells is transferred to the heat transfer plate, and the heat transfer plate protrudes from the side of the battery support to the outside, so that the external cooling module and the protrusion of the heat transfer plate come into contact to dissipate heat. Can do. Since both the heat transfer plate and the battery cell are fixed to the battery support, these attachment states can be stabilized.
- a battery module formed by stacking such battery units can be stably attached to the heat transfer plate and the battery cell.
- FIG. 1 is a six-sided view illustrating an overall configuration of an embodiment of a battery module according to the present disclosure.
- FIG. 2 is a cross-sectional view of one embodiment of a battery module according to the present disclosure.
- FIG. 3 is a perspective view illustrating an overall configuration of an embodiment of a battery module according to the present disclosure.
- FIG. 4 is a diagram illustrating a configuration of a battery unit according to the present disclosure.
- FIG. 5 is a perspective view of a battery unit according to the present disclosure.
- FIG. 6 is an exploded perspective view of a battery unit according to the present disclosure.
- FIG. 7 is an exploded view of a battery unit according to the present disclosure.
- FIG. 8 is a schematic cross-sectional view of a battery unit according to the present disclosure.
- FIG. 1 is a six-sided view illustrating an overall configuration of an embodiment of a battery module according to the present disclosure.
- FIG. 2 is a cross-sectional view of one embodiment of a battery module according to the
- FIG. 9 is a partial cross-sectional view of a battery unit according to the present disclosure.
- 10A to 10D are a perspective view for explaining an example of a battery cell applicable to the present disclosure and a partial cross-sectional view of an exterior member.
- FIG. 11A to FIG. 11B are perspective views for explaining the stacked configuration of the battery unit according to the present disclosure.
- 12A to 12B are cross-sectional views for explaining the stacked configuration of the battery unit according to the present disclosure.
- 13A to 13B are schematic cross-sectional views for explaining the expansion / contraction of the battery cell in the stacked configuration of the battery unit according to the present disclosure.
- FIG. 14 is a front view, a side view, a plan view, a partial cross-sectional view, and a perspective view for explaining the independent cell bus bar.
- FIG. 15 is a front view, a side view, a plan view, a partial cross-sectional view, and a perspective view for explaining the independent cell bus bar.
- FIG. 16 is a front view for explaining the conductive portion of the independent cell bus bar.
- 17A to 17D are a front view and a connection diagram for explaining the conductive portion of the independent cell bus bar.
- 18A to 18D are a front view and a connection diagram for explaining the conductive portion of the independent cell bus bar.
- 19A to 19C are a front view and a connection diagram for explaining the conductive portion of the independent cell bus bar.
- FIG. 20 is a front view for explaining the mounting of the bus bar in the battery cell group.
- FIG. 21 is a schematic diagram for explaining an application example of the battery module.
- FIG. 22 is a schematic diagram for explaining another
- FIG. 1 is a hexahedral view (front view, right side view, left side view, bottom view, plan view, rear view) of the battery module 100.
- FIG. 2 is a cross-sectional view of the battery module 100.
- FIG. 3 is a perspective view of the battery module 100.
- a battery cell group 103 is disposed between end plates 101 and 102 as first and second restriction plates.
- An intermediate plate 104 is inserted at an intermediate position of the battery cell group 103.
- tabs 105a and 105b for attachment are formed.
- the end plates 101 and 102 and the intermediate plate 104 are metal plates such as aluminum and iron.
- the battery cell group 103 is formed by stacking N battery units each including a plurality of battery cells housed in a battery support (hereinafter referred to as a bracket). In one embodiment, for example, two battery cells are housed in each bracket.
- the battery cell is, for example, a lithium ion secondary battery.
- the bracket is a molded product of synthetic resin.
- the battery cell group 103 is formed by stacking 10 battery units 20-1 to 20-10 (that is, 20 battery cells). When there is no need to distinguish individual battery units, they are simply referred to as battery units 20.
- the shaft 106 passes through holes formed in the four corners of the end plates 101 and 102, the intermediate plate 104, and the battery cell group 103, and is tightened by nuts 107 from both sides.
- the heat transfer plate 108 led out from each of the ten brackets and bent in an L shape is exposed.
- the heat transfer plate 108 is in contact with a cooling module (not shown), and heat generated in the battery cell is transmitted to the cooling module to be radiated.
- terminals 109 and 110 for taking out the output of the battery module are provided in the vicinity of the end plates 101 and 102, respectively.
- a plate-like conductive member (hereinafter referred to as a cell bus bar) for connecting two battery cells in the battery unit is attached to both side surfaces of each battery unit of the battery cell group 103.
- the cell bus bar is a conductor made of, for example, a conductor obtained by plating nickel on copper.
- Two types of cell bus bars are used.
- a common cell bus bar 111 for commonly connecting two battery cells of each battery unit and an independent cell bus bar 112 for taking out terminals connected independently to the positive and negative electrode tabs of the two battery cells are used.
- a second plate-like conductive member (hereinafter referred to as a unit bus bar) 114 made of, for example, copper or aluminum is used.
- the unit bus bar 114 is attached across a plurality of battery units so as to realize a desired battery connection.
- the common cell bus bar 111, the independent cell bus bar 112, and the unit bus bar 114 are fixed to the side surface of the bracket by screws, for example.
- the battery unit 20 that is a unit constituting the battery cell group 103 will be described.
- the battery cell is, for example, a lithium ion secondary battery.
- a plurality of, for example, two battery cells are housed in a bracket to constitute a battery unit.
- the bracket is a molded product of synthetic resin.
- FIG. 4 is a front view, a right side view, a left side view, a bottom view, and a plan view of the battery unit 20.
- 5 is a perspective view of the battery unit 20
- FIG. 6 is an exploded perspective view of the battery unit
- FIG. 7 is an exploded view of the battery unit
- FIG. 8 is a schematic cross section of the battery unit 20.
- FIG. 9 is a partial cross-sectional view of the battery unit 20.
- the bracket 1 is made of an insulating material (synthetic resin) and has a frame shape for storing battery cells.
- the heat transfer plate 2 made of metal such as aluminum is integrally formed with the bracket 1 by insert molding (in FIGS. 1 to 3 showing the entire configuration of the battery module, reference numeral 108 is attached to the heat transfer plate. ) Is formed.
- insert molding after inserting an insert product (here, heat transfer plate 2) to be embedded in a mold, a resin is injected into the molding machine, the insert product is wrapped in a molten resin, and solidified. It is a molding method that integrates the product.
- the heat transfer plate 2 is located in the central opening of the bracket 1 and constitutes the battery cell attachment surface. Further, as shown in FIGS. 7 and 8, the end portion of the heat transfer plate 2 protrudes outward from the bracket 1 and is bent into an approximately L shape along the side surface of the bracket 1. It is formed.
- the width of the bent portion 2a is slightly smaller than 1.5 times the width of the battery unit. Therefore, the tip of the bent portion 2a protrudes from the width of the battery unit.
- the bent portion 2a of the heat transfer plate 2 is brought into contact with the cooling surface of the cooling module.
- the cooling module is a water-cooled or air-cooled cooling device.
- one end of the heat transfer plate 2 is bent in an L shape.
- the other end of the heat transfer plate 2 may similarly protrude outward from the bracket 1 and be bent in an L shape.
- it is good also as a cross-sectional T shape or H shape where a front-end
- the main surfaces of the battery cells 4-1 and 4-2 are integrated with the bracket 1 through heat conductive adhesive sheets 3-1 and 3-2 with respect to the heat transfer plate 2.
- the heat transfer plate 2 is in close contact with the surface.
- the battery cells do not need to be individually distinguished, they are referred to as battery cells 4.
- the battery cell 4 is plate-shaped or rectangular parallelepiped, and the surface having the largest area among the surfaces is referred to as a main surface.
- Positive and negative electrode tabs are led out from both side surfaces of the battery cells 4-1 and 4-2.
- the polarity of the electrode tab changes.
- the positive electrode tab 5-1 of the battery cell 4-1 and the negative electrode tab 6-2 of the battery cell 4-2 protrude from one side of the bracket, and the negative electrode tab 6 of the battery cell 4-1.
- -1 and the positive electrode tab 5-2 of the battery cell 4-2 protrude from the other side surface side of the bracket.
- the common cell bus bar 111 is fixed to one side surface of the bracket 1 with screws 31, and the independent cell bus bar 112 is fixed to the other side surface of the bracket 1 with screws 31.
- the positive electrode tab 5-1 of the battery cell 4-1 and the negative electrode tab 6-2 of the battery cell 4-2 are joined to the tab joining plate of the common cell bus bar 111 by laser welding or the like.
- the negative electrode tab 6-1 of the battery cell 4-1 and the positive electrode tab 5-2 of the battery cell 4-2 are joined to the tab joining plate of the independent cell bus bar 112 by laser welding or the like.
- a bus bar cover 113 made of an insulating material covering each of the common cell bus bar 111 and the independent cell bus bar 112 is detachably provided.
- a connecting portion is formed at each of the four corners of the bracket 1, and a hole 7 through which the shaft 106 (see FIG. 1) passes through the bracket 1 in the thickness direction is formed in each connecting portion.
- a metal sleeve (also referred to as a collar) 8 is integrally formed with the bracket 1 by insert molding.
- the resin of the bracket 1 comes into contact with each other and is fixed by the shaft 106 in a configuration in which the four corners are fastened by the shaft 106.
- the shaft 106 and the bracket 1 expand (temperature increase) or contract (temperature decrease).
- the difference between the expansion / contraction amount of the shaft 106 (metal) and the expansion / contraction amount of the bracket 1 is small, but in the battery module (battery cell group 103), a large number of battery units are stacked. , The difference becomes larger. As a result, a large force is applied to the bracket 1 and the bracket 1 may be broken.
- the battery units come into contact with each other at the end face of the metal sleeve 8. Therefore, in the battery module, the difference between the expansion / contraction amount of the shaft 106 (metal) and the expansion / contraction amount of the bracket 1 can be reduced. Further, the metal sleeve 8 has a higher limit for compression than the bracket 1, and damage to the bracket 1 can be prevented.
- FIG. 10A is a schematic diagram illustrating an appearance of a battery cell 4 that can be used in the present disclosure.
- the battery cell 4 is a nonaqueous electrolyte battery, for example, a lithium ion secondary battery.
- FIG. 10B is a schematic diagram illustrating the configuration of the battery cell 4.
- FIG. 10B shows a configuration when the bottom surface and the top surface of the battery cell 4 shown in FIG. 10A are inverted.
- FIG. 10C is a schematic diagram illustrating the outer bottom side of the battery cell 4.
- the battery cell 4 includes a battery element 11 and an exterior material 12 that houses the battery element 11.
- Battery cell 4 has a first main surface and a second main surface.
- the exterior material 12 includes a first exterior part 12A that houses the battery element 11 and a second exterior part 12B that functions as a lid that covers the battery element 11.
- the exterior material 12 and the battery element 11 are preferably in close contact with each other.
- the battery element 11 has a laminated electrode structure in which a substantially rectangular positive electrode and a substantially rectangular negative electrode arranged opposite to the positive electrode are alternately laminated via separators. Further, from the battery element 11, a positive electrode current collector exposed portion electrically connected to each of the plurality of positive electrodes and a negative electrode current collector exposed portion electrically connected to each of the plurality of negative electrodes are drawn out. ing. A positive electrode tab 5 and a negative electrode tab 6 are connected to the positive electrode current collector exposed portion and the negative electrode current collector exposed portion, respectively.
- Such a battery element 11 is packaged with an exterior material 12, and the positive electrode tab 5 and the negative electrode tab 6 are led out of the battery cell 4 from the sealing portion of the exterior material 12.
- the exterior material 12 is deep-drawn on at least one surface or both surfaces in advance to form a recess 13, and the battery element 11 is accommodated in the recess 13.
- a recess 13 is formed in the first exterior portion 12 ⁇ / b> A constituting the exterior material 12, and the battery element 11 is accommodated in the recess 13.
- the second exterior portion 12B is disposed so as to cover the opening of the concave portion 13, and the periphery of the opening of the concave portion 13 is sealed by welding or the like.
- the positive electrode tab 5 and the negative electrode tab 6 are led out from two opposing directions.
- the exterior material 12 is, for example, a flexible film.
- the heat-sealing resin layer 14, the metal layer 15, and the surface protective layer 16 are sequentially laminated through an adhesive layer.
- the surface on the heat sealing resin layer 14 side is a surface on the side where the battery element 11 is accommodated. It is preferable that the heat-sealing resin layer 14 and the surface of the battery element 11 are in close contact with each other.
- the material for the heat sealing resin layer 14 include polypropylene (PP) and polyethylene (PE).
- the material of the metal layer 15 is preferably a flexible metal, such as aluminum (Al) or an aluminum alloy.
- the material for the surface protective layer 16 include nylon (Ny) and polyethylene terephthalate (PET).
- the exterior material 12 is configured by a rectangular aluminum laminated film in which a polyethylene film, an aluminum foil, and a nylon film are bonded together in this order.
- the packaging material 12 is disposed, for example, so that the polyethylene film side and the battery element 11 face each other, and the outer edge portions are in close contact with each other by fusion bonding or an adhesive.
- the exterior material 12 may be made of a laminated film having another structure, a polymer film such as polypropylene, or a metal film instead of the above-described aluminum laminated film.
- the configuration of the battery cell applicable to the present disclosure is not limited to the above-described configuration.
- a configuration may be used in which separators are formed into long strips, folded by zigzag folding, and stacked by sandwiching the positive electrode and the negative electrode between the folded separators.
- you may use the structure which accommodated the winding electrode body to which the positive electrode lead and the negative electrode lead were attached in the inside of a film-form exterior material.
- the battery cell group 103 is configured by stacking a plurality of battery units and connecting the battery cells in series and / or in parallel.
- heat generated in each battery unit by the heat transfer plate 2 is guided to an external cooling module. Therefore, in order to ensure the heat dissipation effect, the battery cells 4 and the heat transfer plate 2 need to be in close contact with each other.
- an elastic body for absorbing cell thickness expansion is interposed between battery units.
- FIG. 11A and FIG. 12A two battery units 20-1 and 20-2 are arranged so that the battery cells 4-1 and 4-2 incorporated therein are opposed to each other.
- a cushion material 21 as an elastic body is disposed in the facing space.
- the cushion material 21 is a thin plate having substantially the same shape as the main surfaces of the battery cells 4-1 and 4-2.
- the cushion material 21 is made of an elastic material that is deformed according to pressure and returns to its original state when the pressure disappears.
- a urethane-based material can be used.
- an adhesive material is provided on one surface or both surfaces of the cushion material 21 as necessary, and the cushion material 21 is prevented from falling off.
- the two battery units 20-1 and 20-2 are stacked with the cushion material 21 interposed therebetween, and a predetermined pressure is applied in the stacking direction by the shaft 106 and the nut 107.
- the battery cell 4 uses a laminate film as an exterior material, and expands due to cycle deterioration and aging deterioration.
- the cushion material 21 By using the cushion material 21 and appropriately setting the pressure applied between the battery units, it is possible to cope with the expansion of the battery cells while maintaining the heat dissipation effect by the heat transfer plate 2.
- FIG. 13A shows an initial time
- FIG. 13B shows an expansion time of the battery cells 4-1 and 4-2.
- Battery units 20-1 and 20-2 are stacked with a mounting interval T.
- the thickness of each battery cell at the initial stage is represented as Tc.
- the cushion material 21 is disposed in the opposing gaps G and G ′. Therefore, the cushion material 21 presses the battery cells 4-1 and 4-2 against the heat transfer plate 2 in the initial facing gap G, and the battery cells 4-1 and 4-4 in the facing gap G ′ at the time of expansion. 2 is set so that the pressure of the cushion material 21 pushing 2 does not become excessive.
- the cell bus bars for electrically connecting the battery cells in the bracket are attached to the side surfaces of the bracket 1.
- a common cell bus bar 111 for commonly connecting positive and negative electrode tabs of two battery cells of the battery unit is attached to one side surface of the bracket 1, and an independent cell bus bar 112 is attached to the other side surface.
- bracket 1 For mounting, holes are formed in the side surface of the bracket 1, and these bus bars are screwed with screws 31. Furthermore, positioning protrusions are formed on the side surfaces of the bracket 1 above and below the mounting holes. Further, a receiving portion that receives the head portion of the hexagon bolt 32 and prevents the rotation of the hexagon bolt 32 is formed on the side surface of the bracket 1.
- Hexagon bolt 32 and bus bar are electrically connected.
- the hexagon bolt 32 is for attaching a unit bus bar for electrically connecting the battery units. That is, the hexagon bolt 32 penetrates the hole formed in the unit bus bar, the nut is inserted from the tip, the nut is tightened, and the unit bus bar is attached.
- FIG. 14 is a front view, a right side view, a left side view, a plan view, a cross-sectional view, and a perspective view of one independent cell bus bar 112a.
- FIG. 15 is a front view, a right side view, a left side view, a plan view, a cross-sectional view, and a perspective view of the other independent cell bus bar 112b.
- FIG. 16 shows only the electrode portions of independent cell bus bars 112a and 112b.
- the independent cell bus bar 112a is formed by insert molding a conductive material.
- the resin portion is formed with a hole 41 into which the mounting screw 31 is inserted and two holes into which positioning protrusions are inserted on both sides of the hole 41.
- Tab joint plates 42a and 42b made of metal such as copper or stainless steel are provided in parallel on both sides of the resin portion. These tab bonding plates 42a and 42b are portions to which the electrode tabs of the battery cells of the battery unit are welded. In this case, of the two battery cells in the battery unit, the electrode tabs of neighboring battery cells are bonded to the tab bonding plates 42a and 42b.
- the tab joint plate 42a is led out as a connection tab 43a
- the tab joint plate 42b is led out as a connection tab 43b.
- Each of the connection tabs 43a and 43b is formed with a hole through which the hexagon bolt 32 passes.
- a polarity output corresponding to the electrode tab of the battery cell connected to the tab bonding plate 42a is taken out from the connection tab 43a, and a connection tab 43b is output according to the electrode tab of the battery cell connected to the tab bonding plate 42b. The output with the correct polarity is taken out.
- the independent cell bus bar 112b has the same configuration as the independent cell bus bar 112a, but the connection tab from which the output of the battery cell is taken out is different. That is, the output of the polarity according to the electrode tab of the battery cell connected to the tab bonding plate 42b is taken out to the connection tab 43a, and the electrode tab of the battery cell connected to the tab bonding plate 42a is extracted to the connection tab 43b. The output with the polarity according to the is taken out.
- connection method between battery units using a cell bus bar and a unit bus bar will be described. First, assuming that there is only one type of cell bus bar, the common cell bus bar 111, a connection method as shown in FIG. 17 is possible. Two battery cells are included in each of the battery units 20-1 and 20-2 adjacent to each other when stacked. A total of four battery cells are represented as BT1 to BT4.
- FIG. 17C unlike FIG. 17A, when the direction of the battery unit 20-1 is reversed, as shown in FIG. 17D, the parallel connection of the battery cells BT1 and BT2, and the battery cells BT3 and BT4 The parallel connection is connected in series.
- reference numerals a1, a2, b1, and b2 are attached.
- the independent cell bus bars 112a and 112b are prepared.
- the independent cell bus bar 112b is attached to one side surface of the battery unit (bracket), and the common cell bus bar 111 is attached to the other side surface.
- the battery cells BT1 and BT2 of such a battery unit are connected in the relationship shown in FIG. 18B.
- FIG. 18C As an example, as shown in FIG. 18C, four battery units 20-1 to 20-4 are stacked, the battery units 20-1 and 20-2 have independent cell bus bars 112b, and the battery units 20-3 and 20 -4 has an independent cell bus bar 112a.
- a common cell bus bar 111 is provided on the opposite side surface of all the battery units.
- the upper side (+ side) of the two independent cell bus bars 112b is connected by the unit bus bar 114a.
- the lower side of the four independent cell bus bars 112b is connected by the unit bus bar 114b, and the upper side ( ⁇ side) of the two independent cell bus bars 112b is connected by the unit bus bar 114c.
- the arrangement relationship of the battery cells in each battery unit is the same. In this case, the connection relationship shown in FIG. 18D is obtained.
- FIG. 19 shows another example of the battery unit connection method.
- independent cell bus bars 112a and 112b are attached to one side surface of each of the battery units 20-1 to 20-4.
- a common cell bus bar 111 is attached to the other side surfaces of the battery units 20-1 to 20-4.
- a unit bus bar 114 is attached so as to connect independent cell bus bars of adjacent battery units.
- Storage system in a house as an application example An example in which the present disclosure is applied to a residential power storage system will be described with reference to FIG.
- the power storage system 200 for the house 201 power is stored from the centralized power system 202 such as the thermal power generation 202a, the nuclear power generation 202b, and the hydroelectric power generation 202c through the power network 209, the information network 212, the smart meter 207, the power hub 208, and the like. Supplied to the device 203.
- power is supplied to the power storage device 203 from an independent power source such as the home power generation device 204.
- the electric power supplied to the power storage device 203 is stored. Electric power used in the house 201 is supplied using the power storage device 203.
- the same power storage system can be used not only for the house 201 but also for buildings.
- the house 201 is provided with a power generation device 204, a power consumption device 205, a power storage device 203, a control device 210 that controls each device, a smart meter 207, and a sensor 211 that acquires various types of information.
- Each device is connected by a power network 209 and an information network 212.
- As the power generation device 204 a solar cell, a fuel cell, or the like is used, and the generated power is supplied to the power consumption device 205 and / or the power storage device 203.
- the power consuming device 205 is a refrigerator 205a, an air conditioner (air conditioner) 205b, a television receiver 205c, a bath (bath) 205d, and the like.
- the electric power consumption device 205 includes an electric vehicle 206.
- the electric vehicle 206 is an electric vehicle 206a, a hybrid car 206b, and an electric motorcycle 206c.
- the battery module of the present disclosure described above is applied to the power storage device 203.
- the power storage device 203 is composed of a secondary battery or a capacitor.
- a lithium ion battery is used.
- the lithium ion battery may be a stationary type or used in the electric vehicle 206.
- the smart meter 207 has a function of measuring the usage amount of commercial power and transmitting the measured usage amount to an electric power company.
- the power network 209 may be any one or a combination of DC power supply, AC power supply, and non-contact power supply.
- the various sensors 211 are, for example, human sensors, illuminance sensors, object detection sensors, power consumption sensors, vibration sensors, contact sensors, temperature sensors, infrared sensors, and the like. Information acquired by the various sensors 211 is transmitted to the control device 210. Based on the information from the sensor 211, the weather condition, the condition of the person, and the like can be grasped, and the power consumption device 205 can be automatically controlled to minimize the energy consumption. Furthermore, the control apparatus 210 can transmit the information regarding the house 201 to an external electric power company etc. via the internet.
- the power hub 208 performs processing such as branching of power lines and DC / AC conversion.
- Communication methods of the information network 212 connected to the control device 210 include a method using a communication interface such as UART (Universal Asynchronous Receiver-Transceiver), wireless communication such as Bluetooth, ZigBee, Wi-Fi, etc.
- a communication interface such as UART (Universal Asynchronous Receiver-Transceiver), wireless communication such as Bluetooth, ZigBee, Wi-Fi, etc.
- Bluetooth method is applied to multimedia communication and can perform one-to-many connection communication.
- ZigBee uses the physical layer of IEEE (Institut of Electric and Electronics Engineers) 802.15.4.
- IEEE 802.15.4 is the name of a short-range wireless network standard called PAN (Personal Area Network) or W (Wireless) PAN.
- the control device 210 is connected to an external server 213.
- the server 213 may be managed by any one of the house 201, the power company, and the service provider.
- the information transmitted and received by the server 213 is, for example, information related to power consumption information, life pattern information, power charges, weather information, natural disaster information, and power transactions. These pieces of information may be transmitted / received from a power consuming device in the home (for example, the television receiver 205c) or may be transmitted / received from a device outside the home (for example, a mobile phone). Such information may be displayed on a device having a display function, such as a television receiver 205c, a mobile phone, a PDA (Personal Digital Assistants), and the like.
- a display function such as a television receiver 205c, a mobile phone, a PDA (Personal Digital Assistants), and the like.
- the control device 210 that controls each unit includes a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), and the like, and is stored in the power storage device 203 in this example.
- the control device 210 is connected to the power storage device 203, the home power generation device 204, the power consumption device 205, the various sensors 211, the server 213 and the information network 212, and functions to adjust, for example, the amount of commercial power used and the amount of power generation have. In addition, you may provide the function etc. which carry out an electric power transaction in an electric power market.
- power is generated not only from the centralized power system 202 such as the thermal power generation 202a, the nuclear power generation 202b, and the hydropower generation 202c but also from the home power generation device 204 (solar power generation, wind power generation) to the power storage device 203.
- the home power generation device 204 solar power generation, wind power generation
- the power storage device 203 can be stored. Therefore, even if the generated power of the home power generator 204 fluctuates, it is possible to perform control such that the amount of power sent to the outside is constant or discharge is performed as necessary.
- the power obtained by solar power generation is stored in the power storage device 203, and midnight power with a low charge is stored in the power storage device 203 at night, and the power stored by the power storage device 203 is discharged during a high daytime charge. You can also use it.
- control device 210 is stored in the power storage device 203 .
- control device 210 may be stored in the smart meter 207 or may be configured independently.
- the power storage system 200 may be used for a plurality of homes in an apartment house, or may be used for a plurality of detached houses.
- FIG. 22 schematically illustrates an example of a configuration of a hybrid vehicle that employs a series hybrid system to which the present disclosure is applied.
- the series hybrid system is a vehicle that runs on a power driving force conversion device using electric power generated by a generator driven by an engine or electric power once stored in a battery.
- the hybrid vehicle 300 includes an engine 301, a generator 302, a power driving force conversion device 303, driving wheels 304a, driving wheels 304b, wheels 305a, wheels 305b, batteries (batteries) 308, a vehicle control device 309, various sensors 310, A charging port 311 is mounted.
- the battery unit of the present disclosure described above is applied to the battery 308.
- Hybrid vehicle 300 travels using electric power driving force conversion device 303 as a power source.
- An example of the power driving force conversion device 303 is a motor.
- the electric power / driving force converter 303 is activated by the electric power of the battery 308, and the rotational force of the electric power / driving force converter 303 is transmitted to the drive wheels 304a and 304b.
- DC-AC DC-AC
- AC-DC conversion AC-DC conversion
- the power driving force conversion device 303 can be applied to either an AC motor or a DC motor.
- the various sensors 310 control the engine speed via the vehicle control device 309 and control the opening (throttle opening) of a throttle valve (not shown).
- the various sensors 310 include a speed sensor, an acceleration sensor, an engine speed sensor, and the like.
- the rotational force of the engine 301 is transmitted to the generator 302, and the electric power generated by the generator 302 by the rotational force can be stored in the battery 308.
- the resistance force at the time of deceleration is applied as a rotational force to the electric power driving force conversion device 303, and the regenerative electric power generated by the electric power driving force conversion device 303 by this rotational force is the battery 308. Accumulated in.
- the battery 308 can be connected to an external power source of the hybrid vehicle 300 to receive power supply from the external power source using the charging port 311 as an input port and store the received power.
- an information processing device that performs information processing related to vehicle control based on information related to the secondary battery may be provided.
- an information processing apparatus for example, there is an information processing apparatus that displays a remaining battery capacity based on information on the remaining battery capacity.
- the series hybrid vehicle that runs on the motor using the electric power generated by the generator driven by the engine or the electric power stored once in the battery has been described as an example.
- the present disclosure is also effective for a parallel hybrid vehicle that uses both engine and motor outputs as drive sources, and switches between the three modes of running with the engine alone, running with the motor alone, and engine and motor running as appropriate. Applicable.
- the present disclosure can be effectively applied to a so-called electric vehicle that travels only by a drive motor without using an engine.
- this indication can also take the following structures.
- a plurality of battery units arranged so that the surface of the heat transfer plate held by the battery support made of an insulating material and the main surface of the battery cell face each other;
- a battery module formed by laminating a plurality of the battery units.
- the elastic material is a thin plate-like elastic material having a shape substantially equal to a main surface of the battery cell.
- the pressure required to press the battery cell against the heat transfer plate is PL, the pressure at which the battery cell is not damaged is PU, and the reaction force of the elastic material compressed at a certain compression ratio is PC.
- the battery module according to any one of (2) and (3) which satisfies the following relationship.
- PL ⁇ PC ⁇ PU The battery module according to any one of (1) to (4), wherein main surfaces of the battery cells are disposed on both surfaces of the heat transfer plate.
- the restricting member includes first and second restricting plates located on both sides of the battery cell group, shafts that pass through four corners of the first and second restricting plates, and the plurality of battery units,
- (11) The battery module according to (10), wherein a metal sleeve is disposed at a location where the shaft of the battery support penetrates.
- the conductive member includes a common conductor that commonly connects the positive electrode of one of the battery cells and the negative electrode of the other battery cell in the battery support, and a positive electrode terminal that is connected to the positive electrode of the one battery cell.
- a battery support made of an insulating material for holding a heat transfer plate, and a battery unit arranged so that a surface of the heat transfer plate and a main surface of the battery cell face each other.
- a power storage system that includes the battery module according to (1) and supplies power to an electronic device connected to the battery module.
- An electronic device that receives power supply from the battery module according to (1).
- An electric vehicle comprising: a conversion device that receives supply of electric power from the battery module according to (1) and converts the electric power into a driving force of the vehicle; and a control device that performs information processing related to vehicle control based on information related to the battery module.
- It has a power information transmission / reception unit that transmits / receives signals to / from other devices via the network, A power system that performs charge / discharge control of the battery module according to (1) based on information received by the power information transmitting / receiving unit. (20) A power system that receives power from the battery module according to (1) or supplies power to the battery module from a power generation device or a power network.
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- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
本開示は、上述した電池モジュールを有し、電池モジュールに接続される電子機器に電力を供給する蓄電システムである。
本開示は、上述した電池モジュールから電力の供給を受ける電子機器である。
本開示は、上述した電池モジュールから電力の供給を受けて車両の駆動力に変換する変換装置と、電池モジュールに関する情報に基づいて、車両制御に関する情報処理を行う制御装置とを有する電動車両である。本開示は、他の機器とネットワークを介して信号を送受信する電力情報送受信部を有し、
電力情報送受信部が受信した情報に基づき、上述した電池モジュールの充放電制御を行う電力システムである。
本開示は、上述した電池モジュールから電力の供給を受け、または、発電装置または電力網から電池モジュールに電力を供給する電力システムである。
図2は、本開示による電池モジュールの一実施の形態の断面図である。
図3は、本開示による電池モジュールの一実施の形態の全体の構成を示す斜視図である。
図4は、本開示による電池ユニットの構成を示す図である。
図5は、本開示による電池ユニットの斜視図である。
図6は、本開示による電池ユニットの分解斜視図である。
図7は、本開示による電池ユニットの分解図である。
図8は、本開示による電池ユニットの概略的断面図である。
図9は、本開示による電池ユニットの一部断面図である。
図10A~図10Dは、本開示に適用できる電池セルの一例の説明のための斜視図および外装部材の一部断面図である。
図11A~図11Bは、本開示による電池ユニットの積層構成の説明のための斜視図である。
図12A~図12Bは、本開示による電池ユニットの積層構成の説明のための断面図である。
図13A~図13Bは、本開示による電池ユニットの積層構成における電池セルの膨張/収縮の説明のための概略的断面図である。
図14は、独立セルバスバーの説明のための正面図、側面図、平面図、一部断面図および斜視図である。
図15は、独立セルバスバーの説明のための正面図、側面図、平面図、一部断面図および斜視図である。
図16は、独立セルバスバーの導電部の説明のための正面図である。
図17A~図17Dは、独立セルバスバーの導電部の説明のための正面図および接続図である。
図18A~図18Dは、独立セルバスバーの導電部の説明のための正面図および接続図である。
図19A~図19Cは、独立セルバスバーの導電部の説明のための正面図および接続図である。
図20は、電池セル群におけるバスバーの取り付けを説明するための正面図である。
図21は、電池モジュールの応用例を説明するための略線図である。
図22は、電池モジュールの他の応用例を説明するための略線図である。
図1、図2および図3を参照して本開示による電池モジュールの一実施の形態について説明する。図1は、電池モジュール100の六面図(正面図、右側面図、左側面図、底面図、平面図、背面図)である。図2は、電池モジュール100の断面図である。図3は、電池モジュール100の斜視図である。
電池セル群103を構成する単位である電池ユニット20について説明する。電池セルは、一例としてリチウムイオン二次電池である。複数の例えば2個の電池セルがブラケットに収納されて電池ユニットが構成される。ブラケットは、合成樹脂の成型品である。図4は、電池ユニット20の正面図、右側面図、左側面図、底面図、平面図である。図5は、電池ユニット20の斜視図であり、図6は、電池ユニット20の分解斜視図であり、図7は、電池ユニットの分解図であり、図8は、電池ユニット20の概略的断面図であり、図9は、電池ユニット20の一部断面図である。
図10Aは、本開示に使用できる電池セル4の外観を示す略線図である。電池セル4は、非水電解質電池例えばリチウムイオン二次電池である。図10Bは、電池セル4の構成を示す略線図である。なお、図10Bは、図10Aに示す電池セル4の底面および上面を反転させた場合の構成を示している。図10Cは、電池セル4の外観底面側を示す略線図である。電池セル4は、電池素子11と、電池素子11を収容する外装材12とを備える。電池セル4は、第1の主面と第2の主面とを有する。
高出力、高容量のバッテリを必要とする車両などの場合、上述したように、複数の電池ユニットを積層し、電池セルを直列および/または並列に接続して電池セル群103が構成される。本開示の一実施の形態では、伝熱プレート2によって各電池ユニットにおいて発生した熱を外部の冷却モジュールに導くようにしている。したがって、放熱効果を確保するためには、電池セル4と伝熱プレート2とが密に接している必要がある。
セル初期時に伝熱プレート2に対して電池セルを押しつけるのに最低限必要な圧力:PL
電池セルが損傷を受けない圧力:PU
ある圧縮率で圧縮されたクッション材21の反力:PC
とすると、下記の関係が満たされるようになされる。
PL<PC<PU
上述したように、ブラケット1の側面に対してブラケット内の電池セルを電気的に接続するためのセルバスバーがそれぞれ取り付けられる。電池ユニットの2個の電池セルの例えば正負の電極タブを共通に接続するための共通セルバスバー111がブラケット1の一方の側面に取り付けられ、他方の側面には、独立セルバスバー112が取り付けられる。
セルバスバーとユニットバスバーとを使用して電池ユニット間の接続方法について説明する。最初に、セルバスバーが共通セルバスバー111の1種類しか存在しないとすると、図17に示すような接続方法が可能である。積層時に隣接する電池ユニット20−1および20−2のそれぞれに、2個の電池セルが含まれている。合計4個の電池セルをBT1~BT4と表す。
本開示を住宅用の蓄電システムに適用した例について、図21を参照して説明する。例えば住宅201用の蓄電システム200においては、火力発電202a、原子力発電202b、水力発電202c等の集中型電力系統202から電力網209、情報網212、スマートメータ207、パワーハブ208等を介し、電力が蓄電装置203に供給される。これと共に、家庭内発電装置204等の独立電源から電力が蓄電装置203に供給される。蓄電装置203に供給された電力が蓄電される。蓄電装置203を使用して、住宅201で使用する電力が給電される。住宅201に限らずビルに関しても同様の蓄電システムを使用できる。
本開示を車両用の蓄電システムに適用した例について、図22を参照して説明する。図22に、本開示が適用されるシリーズハイブリッドシステムを採用するハイブリッド車両の構成の一例を概略的に示す。シリーズハイブリッドシステムはエンジンで動かす発電機で発電された電力、あるいはそれを電池に一旦貯めておいた電力を用いて、電力駆動力変換装置で走行する車である。
(1)
絶縁材からなる電池支持体に保持される伝熱プレートの面と電池セルの主面とが対向するように配置される電池ユニットを複数個有し、
複数の前記電池ユニットを積層してなる電池モジュール。
(2)
複数の前記電池ユニットが弾性材を介在させて積層される(1)に記載の電池モジュール。
(3)
前記弾性材は、前記電池セルの主面とほぼ等しい形状の薄板状の弾性材である請求項2に記載の電池モジュール。
(4)
前記電池セルを前記伝熱プレートに対して押しつけるのに必要な圧力をPLとし、前記電池セルが損傷を受けない圧力をPUとし、ある圧縮率で圧縮された前記弾性材の反力をPCとすると、下記の関係を満たすようになされる(2)および(3)の何れかに記載の電池モジュール。
PL<PC<PU
(5)
前記伝熱プレートの両面に電池セルの主面が配置される(1)乃至(4)の何れかに記載の電池モジュール。
(6)
前記電池支持体に対して前記伝熱プレートがインサート成型される(1)乃至(5)の何れかに記載の電池モジュール。
(7)
前記伝熱プレートの端部が前記電池支持体の少なくとも一方の側面から外方へ突出される(1)乃至(6)の何れかに記載の電池モジュール。
(8)
前記伝熱プレートの端部が断面L字状、または断面T字状に折り曲げられる(1)乃至(7)の何れかに記載の電池モジュール。
(9)
積層される前記複数の電池ユニットを積層方向に押さえつける規制部材を有する(1)乃至(7)の何れかに記載の電池モジュール。
(10)
前記規制部材は、前記電池セル群の両側に位置する第1および第2の規制板と、前記第1および第2の規制板と複数の前記電池ユニットとの4隅を貫通するシャフトと、
前記シャフトの両端から前記第1および第2の規制板と前記電池セル群とを締めつける締めつけ部とを有する(9)に記載の電池モジュール。
(11)
前記電池支持体の前記シャフトが貫通する箇所に金属製のスリーブが配される(10)に記載の電池モジュール。
(12)
前記電池支持体の側面に、前記電池支持体に収納される電池セルの電極が接合される導電部材が取り付けられる(1)乃至(11)の何れかに記載の電池モジュール。
(13)
前記導電部材は、前記電池支持体内の一方の前記電池セルの正極と他方の前記電池セルの負極とを共通に接続する共通導電体と、一方の前記電池セルの正極と接続される正極端子と他方の前記電池セルの負極と接続される負極端子とが分離される独立導電体とを含む(12)に記載の電池モジュール。
(14)
伝熱プレートを保持する絶縁材からなる電池支持体と、前記伝熱プレートの面と電池セルの主面とが対向するように配置される電池ユニット。
(15)
(1)に記載の電池モジュールが、再生可能なエネルギーから発電を行う発電装置によって充電される蓄電システム。
(16)
(1)に記載の電池モジュールを有し、前記電池モジュールに接続される電子機器に電力を供給する蓄電システム。
(17)
(1)に記載の電池モジュールから電力の供給を受ける電子機器。
(18)
(1)に記載の電池モジュールから電力の供給を受けて車両の駆動力に変換する変換装置と、前記電池モジュールに関する情報に基づいて、車両制御に関する情報処理を行う制御装置とを有する電動車両。
(19)
他の機器とネットワークを介して信号を送受信する電力情報送受信部を有し、
前記電力情報送受信部が受信した情報に基づき、(1)に記載の電池モジュールの充放電制御を行う電力システム。
(20)
(1)に記載の電池モジュールから電力の供給を受け、または、発電装置または電力網から前記電池モジュールに電力を供給する電力システム。
以上、本開示の実施の形態について具体的に説明したが、上述の各実施の形態に限定されるものではなく、本開示の技術的思想に基づく各種の変形が可能である。例えば、上述の実施の形態において挙げた構成、方法、工程、形状、材料および数値などはあくまでも例に過ぎず、必要に応じてこれと異なる構成、方法、工程、形状、材料および数値などを用いてもよい。
2・・・伝熱プレート
4,4−1,4−2・・・電池セル
5,5−1,5−2・・・正極タブ
6,6−1,6−2・・・負極タブ
8・・・金属スリーブ
11・・・電池素子
20,20−1~20−10・・・電池ユニット
21・・・クッション材
42a,42b・・・タブ接合板
43a,43b・・・接続タブ
100・・・電池モジュール
101,102・・・エンドプレート
103・・・電池セル群
106・・・シャフト
111・・・共通セルバスバー
112,112a,112b・・・独立セルバスバー
114・・・ユニットバスバー
Claims (20)
- 絶縁材からなる電池支持体に保持される伝熱プレートの面と電池セルの主面とが対向するように配置される電池ユニットを複数個有し、
複数の前記電池ユニットを積層してなる電池モジュール。 - 複数の前記電池ユニットが弾性材を介在させて積層される請求項1に記載の電池モジュール。
- 前記弾性材は、前記電池セルの主面とほぼ等しい形状の薄板状の弾性材である請求項2に記載の電池モジュール。
- 前記電池セルを前記伝熱プレートに対して押しつけるのに必要な圧力をPLとし、前記電池セルが損傷を受けない圧力をPUとし、ある圧縮率で圧縮された前記弾性材の反力をPCとすると、下記の関係を満たすようになされる請求項2に記載の電池モジュール。
PL<PC<PU - 前記伝熱プレートの両面に電池セルの主面が配置される請求項1に記載の電池モジュール。
- 前記電池支持体に対して前記伝熱プレートがインサート成型される請求項1に記載の電池モジュール。
- 前記伝熱プレートの端部が前記電池支持体の少なくとも一方の側面から外方へ突出される請求項1に記載の電池モジュール。
- 前記伝熱プレートの端部が断面L字状、または断面T字状に折り曲げられる請求項1に記載の電池モジュール。
- 積層される前記複数の電池ユニットを積層方向に押さえつける規制部材を有する請求項1に記載の電池モジュール。
- 前記規制部材は、前記電池セル群の両側に位置する第1および第2の規制板と、前記第1および第2の規制板と複数の前記電池ユニットとの4隅を貫通するシャフトと、
前記シャフトの両端から前記第1および第2の規制板と前記電池セル群とを締めつける締めつけ部とを有する請求項9に記載の電池モジュール。 - 前記電池支持体の前記シャフトが貫通する箇所に金属製のスリーブが配される請求項10に記載の電池モジュール。
- 前記電池支持体の側面に、前記電池支持体に収納される電池セルの電極が接合される導電部材が取り付けられる請求項1に記載の電池モジュール。
- 前記導電部材は、前記電池支持体内の一方の前記電池セルの正極と他方の前記電池セルの負極とを共通に接続する共通導電体と、一方の前記電池セルの正極と接続される正極端子と他方の前記電池セルの負極と接続される負極端子とが分離される独立導電体とを含む請求項12に記載の電池モジュール。
- 伝熱プレートを保持する絶縁材からなる電池支持体と、前記伝熱プレートの面と電池セルの主面とが対向するように配置される電池ユニット。
- 請求項1に記載の電池モジュールが、再生可能なエネルギーから発電を行う発電装置によって充電される蓄電システム。
- 請求項1に記載の電池モジュールを有し、前記電池モジュールに接続される電子機器に電力を供給する蓄電システム。
- 請求項1に記載の電池モジュールから電力の供給を受ける電子機器。
- 請求項1に記載の電池モジュールから電力の供給を受けて車両の駆動力に変換する変換装置と、前記電池モジュールに関する情報に基づいて、車両制御に関する情報処理を行う制御装置とを有する電動車両。
- 他の機器とネットワークを介して信号を送受信する電力情報送受信部を有し、
前記電力情報送受信部が受信した情報に基づき、請求項1に記載の電池モジュールの充放電制御を行う電力システム。 - 請求項1に記載の電池モジュールから電力の供給を受け、または、発電装置または電力網から前記電池モジュールに電力を供給する電力システム。
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Also Published As
Publication number | Publication date |
---|---|
JPWO2013145917A1 (ja) | 2015-12-10 |
EP2833434A1 (en) | 2015-02-04 |
EP2833434A4 (en) | 2015-11-04 |
EP2833434B1 (en) | 2019-05-29 |
CN104126236B (zh) | 2018-03-09 |
US20150017504A1 (en) | 2015-01-15 |
IN2014DN08209A (ja) | 2015-05-15 |
US10355329B2 (en) | 2019-07-16 |
JP6065906B2 (ja) | 2017-01-25 |
CN104126236A (zh) | 2014-10-29 |
RU2014134843A (ru) | 2016-03-20 |
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