CN114361671B - Electrodeless ear battery module - Google Patents
Electrodeless ear battery module Download PDFInfo
- Publication number
- CN114361671B CN114361671B CN202011607970.XA CN202011607970A CN114361671B CN 114361671 B CN114361671 B CN 114361671B CN 202011607970 A CN202011607970 A CN 202011607970A CN 114361671 B CN114361671 B CN 114361671B
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- Prior art keywords
- battery cell
- battery
- cell group
- electrode
- output copper
- Prior art date
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052802 copper Inorganic materials 0.000 claims abstract description 48
- 239000010949 copper Substances 0.000 claims abstract description 48
- 239000012212 insulator Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 23
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 238000003475 lamination Methods 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 210000005069 ears Anatomy 0.000 abstract description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 12
- 229910052744 lithium Inorganic materials 0.000 description 12
- 230000001681 protective effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses an electrodeless ear battery module which comprises a battery cell, an electrode output copper bar, an insulating part and a retaining part, wherein the battery cell is arranged on the battery cell; the surface of the shell of the battery cell is an electrode thereof; the battery cells are in a plurality, each battery cell is sequentially arranged, and adjacent battery cells are electrically connected through the surface of the shell to form a battery cell group; the electrode output copper bar is electrically connected with the outermost battery cell in the battery cell group and leads out the positive electrode and the negative electrode of the battery cell group; the insulating piece is at least coated on the periphery of the battery cell group; the holder fixes the cell group, and the insulator is located between the cell group and the holder. The battery module of the electrodeless ear comprises a battery cell group formed by battery cells of a plurality of electrodeless ears, and all the battery cells are electrically connected through the positive electrode and the negative electrode on the surface of the shell of the battery cell group.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to an electrodeless ear battery module.
Background
Lithium batteries are an important component of electric vehicles, and are also widely used in the fields of energy storage, civil power equipment and the like. The current lithium battery is equipped with the utmost point ear, and the utmost point ear interconnect when leading to a plurality of lithium batteries to assemble into the module, and the size is thick, reduces volume specific energy.
In addition, when the existing lithium battery is connected in series and parallel to form a lithium battery module, a series of parts such as a plurality of bus bars, a plurality of carriers and the like are needed, so that the types of auxiliary materials of the whole lithium battery module are increased, the cost is increased, the process complexity is increased, and the assembly efficiency is further reduced. Furthermore, the tabs of the existing lithium battery occupy a large space in the lithium battery, and the volumetric specific energy of the lithium battery is affected.
Therefore, how to solve the problem that the lithium battery module has large volumetric specific energy attenuation caused by the fact that the tabs at the positive electrode and the negative electrode occupy a large space in the conventional lithium battery is a urgent problem to be solved by the technicians in the field.
Disclosure of Invention
In view of the above, the invention provides an electrodeless ear battery module, which is characterized in that a battery cell group is formed by a plurality of battery cells of electrodeless ears, and each battery cell is electrically connected through positive and negative electrodes on the surface of a shell, so that compared with the existing module formed by a lithium battery with the electrode ears, the electrodeless ear battery module has the advantages that the situation that the electrode ears occupy a larger space is avoided, the assembly thickness of the electrodeless ear battery module is reduced, and the volumetric specific energy of the whole electrodeless ear battery module is prevented from being greatly attenuated.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an electrodeless ear cell module, comprising:
the shell surface of the battery cell is an electrode of the battery cell; the plurality of the electric cores are sequentially arranged, and adjacent electric cores are electrically connected through the surface of the shell to form an electric core group;
the electrode output copper bar is electrically connected with the battery cell at the outermost side of the battery cell group and leads out the positive electrode and the negative electrode of the battery cell group;
the insulating piece at least covers the periphery of the battery cell group;
and a holder fixing the cell group, and the insulator is positioned between the cell group and the holder.
Preferably, in the electrodeless ear battery module, conductive adhesive and metal sheets are arranged between adjacent battery cells in the battery cell group, and the conductive adhesive is in two layers and distributed on two sides of the metal sheets.
Preferably, in the electrodeless ear battery module, collecting pieces are arranged between adjacent battery cells in the battery cell group, and all the collecting pieces are converged to a low-voltage collecting plug connector.
Preferably, in the electrodeless ear battery module, the low-voltage acquisition plug connector is mounted on an acquisition carrier; the acquisition carrier and the battery cell group are assembled into a whole by the retainer.
Preferably, in the electrodeless ear battery module, the electrodeless ear battery module further comprises an electrode mounting seat, wherein the electrode mounting seat is mechanically connected with the electrode output copper bar, and the electrode mounting seat is combined with the battery cell group into a whole through the retainer.
Preferably, in the electrodeless ear battery module, a metal sheet, foamed aluminum, foamed nickel or conductive adhesive is arranged between adjacent battery cells in the battery cell group.
Preferably, in the electrodeless ear battery module, the electrode output copper bar and the battery core are arranged in a lamination manner; the number of the electrode output copper bars is two, wherein the positive electrode output copper bars and the negative electrode output copper bars are distributed on two sides of the battery cell group, or the positive electrode output copper bars and the negative electrode output copper bars are distributed on the same side of the battery cell group.
Preferably, in the electrodeless ear battery module, the holder includes:
a protection plate, which is arranged in a lamination manner with the battery cell; the number of the protection plates is two, and the protection plates are arranged on two sides of the battery cell group;
and the steel strap binds the battery cell group and the protection plate into a whole.
Preferably, in the electrodeless ear battery module, each battery cell in the battery cell group is sequentially connected in series, or is partially connected in series or partially connected in parallel.
The invention provides an electrodeless ear battery module which comprises a battery cell, an electrode output copper bar, an insulating part and a retaining part, wherein the battery cell is arranged on the battery cell; the surface of the shell of the battery cell is an electrode thereof; the battery cells are in a plurality, each battery cell is sequentially arranged, and adjacent battery cells are electrically connected through the surface of the shell to form a battery cell group; the electrode output copper bar is electrically connected with the outermost battery cell in the battery cell group and leads out the positive electrode and the negative electrode of the battery cell group; the insulating piece is at least coated on the periphery of the battery cell group; the holder fixes the cell group, and the insulator is located between the cell group and the holder.
The battery module with the electrode tabs provided by the invention is characterized in that the battery module with the electrode tabs is formed by the battery cells of the electrode tabs, and each battery cell is electrically connected through the positive electrode and the negative electrode on the surface of the shell of the battery module with the electrode tabs.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an exploded view of an electrodeless ear battery module provided in embodiment 1 of the present invention;
fig. 2 is a schematic diagram of electrical connection between two adjacent cells in the cell group according to embodiment 1 of the present invention;
fig. 3 is a schematic diagram of a stacked arrangement of cells provided in embodiment 1 of the present invention;
fig. 4 is an assembly diagram of a collecting tab and a low-voltage collecting connector provided in embodiment 1 of the present invention;
fig. 5 is an assembly view of the electrodeless ear battery module provided in embodiment 1 of the present invention;
fig. 6 is an exploded view of the electrodeless ear battery module provided in embodiment 2 of the present invention;
fig. 7 is a schematic diagram of each cell in the cell group according to embodiment 2 of the present invention;
fig. 8 is a schematic diagram of a serial-parallel connection manner of each cell in the cell group provided in embodiment 2 of the present invention;
fig. 9 is a schematic diagram of another series-parallel connection mode of each cell in the cell group provided in embodiment 2 of the present invention;
fig. 10 is an assembly view of an electrodeless ear battery module provided in embodiment 2 of the present invention;
wherein, in fig. 1-5:
a plastic end plate 101; an electrode mount 102; a collection carrier 103; a low pressure acquisition plug 104; a protective plate 105; a busbar 106; a top insulating film 107; a bottom insulating film 108; a steel strap 109; a cell 110; a conductive adhesive 111; a metal foil 112; and acquisition sheet 113.
Fig. 6-10:
an end plate 101; an electrode mount 102; an end plate insulating film 103; a top insulating film 104; a bottom insulating film 105; a positive electrode output copper bar 106; a negative electrode output copper bar 107; a cell 108; a strap 109.
Detailed Description
The embodiment of the invention discloses an electrodeless ear battery module, which is characterized in that a battery cell group is formed by battery cells of a plurality of electrodeless ears, and each battery cell is electrically connected through positive and negative electrodes on the surface of a shell of the battery cell group.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an electrodeless ear battery module which comprises a battery cell, an electrode output copper bar, an insulating part and a retaining part, wherein the battery cell is arranged on the battery cell; the surface of the shell of the battery cell is an electrode thereof; the battery cells are in a plurality, each battery cell is sequentially arranged, and adjacent battery cells are electrically connected through the surface of the shell to form a battery cell group; the electrode output copper bar is electrically connected with the outermost battery cell in the battery cell group, and the positive electrode and the negative electrode of the battery cell group are led out; the insulating piece is at least coated on the periphery of the battery cell group; the holder fixes the cell group, and the insulator is located between the cell group and the holder.
The battery module with the electrode tabs provided by the invention is characterized in that the battery module with the electrode tabs is formed by the battery cells of the electrode tabs, and each battery cell is electrically connected through the positive electrode and the negative electrode on the surface of the shell of the battery module with the electrode tabs.
In addition, in the electrodeless ear battery module provided by the invention, adjacent electric cores sequentially arranged in the electric core group are electrically connected through the shell, and parts such as copper bars, carriers and the like are not required to be utilized to electrically connect different electric cores, so that the types of auxiliary materials of the whole battery module are reduced, the cost is reduced, the complexity of an assembly process is reduced, and the assembly efficiency of the electrodeless ear battery module is improved.
Furthermore, the battery cell without the tab is adopted in the electrodeless ear battery module provided by the embodiment, the volume specific energy of the battery cell is high, and the volume specific energy of the whole electrodeless ear battery module is increased.
In the battery cell group of the electrodeless ear battery module provided by the embodiment, the conductive adhesive is arranged between the adjacent battery cells, so that the adjacent battery cells are mutually adhered, and the adjacent battery cells are electrically connected. Of course, a metal sheet (preferably a metal sheet), aluminum foam or nickel foam and the like can be further disposed between adjacent cells in the cell group, and the embodiment is not limited, and only needs to ensure reliable connection of the adjacent cells.
Specifically, conductive adhesive can be further arranged between adjacent cells in the cell group, metal sheets are also arranged, the number of the conductive adhesive is two, and the conductive adhesive is distributed on two sides of the metal sheets. In this embodiment, the adjacent cells complete the large-area contact and current transmission of the viscose glue and conductive position through the conductive glue, and the middle metal sheet can ensure the complete contact of the electrodes of the two adjacent cells, so as to complete the electrical connection of the cells.
The metal sheet is a thin sheet, and the metal sheet can be replaced by a foam nickel sheet, a foam aluminum sheet, a foam copper sheet and the like, so that the metal sheet is used as a conductor for connecting the battery cells in series and parallel, and the expansion and compression amount of the battery cells during breathing is provided.
Preferably, in the electrodeless ear battery module provided in the foregoing embodiment, collecting pieces are arranged between adjacent battery cells in the battery cell group, and all the collecting pieces are converged to the low-voltage collecting plug connector.
In the electrodeless ear battery module provided by the embodiment, the acquisition sheets are arranged between the adjacent battery cells, so that low-voltage acquisition and output can be completed.
Specifically, in the electrodeless ear battery module, the low-voltage acquisition plug connector is arranged on the acquisition carrier; the acquisition carrier and the battery cell group are assembled into a whole by the retaining piece. All the collecting pieces can be arranged to be converged to the low-voltage collecting connector through a PCB (Printed Circuit Board ), an FPC (Flexible Printed Circuit, flexible circuit board), a wire harness or a copper busbar, and the like, and the embodiment is not limited.
The electrodeless ear battery module further comprises an electrode mounting seat, wherein the electrode mounting seat is mechanically connected with the electrode output copper bar, and the electrode mounting seat is combined with the battery cell group into a whole through a retainer. The electrode output copper bar is electrically connected with the electric core through conductive adhesive.
The number of the electrode output copper bars is two, and the two electrode output copper bars are respectively arranged in a lamination way with the battery core; the two electrode output copper bars, the positive electrode output copper bar and the negative electrode output copper bar are distributed on two sides of the cell group, or the positive electrode output copper bar and the negative electrode output copper bar are distributed on the cell group, which is not limited in this embodiment, and can be specifically set according to practical situations.
Specifically, in the electrodeless ear battery module provided in the above embodiment, the holder includes:
a protective plate which is arranged in a lamination manner with the battery cell; the number of the protection plates is two, and the protection plates are arranged at two sides of the battery cell group;
and the steel binding belt binds the battery cell group and the protective plate into a whole.
In the electrodeless ear battery module provided in the above embodiment, each battery cell in the battery cell group is sequentially connected in series, or is partially connected in series or partially connected in parallel, and the serial-parallel connection relationship of each battery cell in the battery cell group is not limited in this embodiment.
Two electrodeless ear battery modules are specifically described below with reference to the accompanying drawings:
example 1
Referring to fig. 1-5, the present invention provides an electrodeless ear battery module with a battery cell encapsulated by an aluminum plastic film, which includes a battery cell 110, a bus bar 106, an insulating member and a holding member. The number of the battery cells 110 is 12, and the battery cells are sequentially arranged to form a battery cell group main body; the outermost bus copper bar 106 is bonded with the outermost battery cell 110 in the battery cell group through conductive adhesive 111, so that output of positive and negative electrodes and low-voltage acquisition is completed.
Acquisition sheets 113 are arranged between the battery cells 110 and the battery cells 110, and the acquisition and output of each string of voltage are completed.
The insulator comprises a top insulating film 107 and a bottom insulating film 108 which are matched and enclosed into a cylinder shape to complete the insulation of the whole module from the outside.
The two opposite ends of the battery cell group are provided with an acquisition carrier 103 (the acquisition carrier 103 is provided with a low-voltage acquisition plug connector 104) at the first end, so as to complete the installation of low-voltage acquisition; and the second end is provided with an electrode mounting seat 102 (the electrode mounting seat 102 is mechanically connected with the busbar 106) for completing the leading-out of the positive electrode and the negative electrode. The direction from the first end to the second end is parallel to the extending direction of each of the cells 110, i.e. perpendicular to the arrangement direction of each of the cells 110 in the cell group.
The holder includes a protective plate 105 and a steel strap 109; the protection plate 105 is arranged in a stacked manner with each cell 110; the number of the protection plates 105 is two, and the two protection plates are arranged on two sides of the battery cell group, and the steel binding belts 109 are bound on the outer sides of the protection plates 105. The protective plate 105 is a metal protective plate.
The battery cell group of the electrodeless ear battery module provided by the embodiment is limited at two sides by the protection plate 105, meanwhile, the protection plate 105 constrains the electrode mounting seat 102 and the acquisition carrier 103 at two ends of the battery cell group, the outermost side completes the pressure supply of the battery cell 110 by the steel binding belt 109, and the module is integrally assembled, so that a complete electrodeless ear battery module is formed. After assembly, plastic end plates 101 can be respectively arranged at two ends to protect the electrode mounting seat 102 and the acquisition carrier 103.
Referring to fig. 2, a conductive adhesive 111 and a metal sheet 112 are disposed between the cells 110 and 110 in the cell group; the bonding, the large-area contact of the conductive positions and the current transmission are completed through the conductive adhesive 111, and the electrodes of the two battery cells 110 can be ensured to be completely contacted by the middle metal sheet 112, so that the series connection of the battery cells 110 is completed. The acquisition sheet 113 is arranged on one side of the battery cell group, and the electrode is led out from the other side, so that the later low-voltage acquisition can be conveniently finished on one side.
Referring to fig. 3, the battery cells 110, the conductive adhesive 111, and the metal sheets 112 are stacked in order to form a battery cell group, and the electrode poles and the collecting output are formed at the outermost side of the battery cell group by the special-shaped bus copper bars 106.
Referring to fig. 4, at the low voltage collecting end of the battery cell group, the low voltage collecting chip 113 completes the low voltage collection and merges into one low voltage collecting connector 104 for outputting. The low voltage collection and collection can be a PCB, an FPC or a wire harness, and the embodiment is not limited.
Referring to fig. 5, the whole module is assembled, protection plates 105 (specifically, aluminum alloy plates can be adopted) are arranged on two sides of the module for protection, the collecting carrier 103 and the electrode mounting seat 102 are pressed by the protection plates 105, and the protection plates 105 are wrapped by steel straps 109.
Example 2
Referring to fig. 6-10, an electrodeless ear battery module with a battery cell encapsulated by a housing is provided in an embodiment of the present invention, which includes a battery cell 108, an electrode output copper bar, an insulating member and a holding member. The number of the electrode output copper bars is two, and the electrode output copper bars comprise an anode output copper bar 106 and a cathode output copper bar 107. The battery cells 108 are 12 blocks, the battery cells 108 are arranged in a stacked mode to form a battery cell group, and the battery cells 108 in the battery cell group are electrically connected with the battery cells 108 through heat conduction glue or metal sheets. The two battery cells 108 on the outermost layer respectively lead out the positive electrode and the negative electrode to the two electrode mounting seats 102 through the positive electrode output copper bar 106 and the negative electrode output copper bar 107 to finish fixed output. Acquisition sheets can be further installed between the battery cells 108 and the battery cells 108 in the battery cell group to complete acquisition and output of each string of voltage, as in embodiment 1, which is not described in detail.
The holder comprises a protective plate, which is an end plate 101, and a strap 109; the end plate 101 and the battery cell 108 are arranged in a stacked manner; the end plates 101 are two, and the two end plates are arranged at two sides of the battery cell group; the straps 109 are tied off the two end plates 101 and the straps 109 provide pressure to the cell stack and limit the overall module to form a complete module.
The insulator includes a top insulating film 104, a bottom insulating film 105, and an end plate insulating film 103; the top insulating film 104 and the bottom insulating film 105 are enclosed into a cylinder with two ends open, and the cylinder structure is wrapped on the periphery of the battery cell group; the end plate insulating films 103 are two, and the two are distributed on both sides of the cell group, and the end insulating films 103 are arranged between the end plate 101 and the cell 108, and the electrode output copper bar is arranged between the end insulating films 103 and the cell 108. The whole electrodeless ear battery module is insulated from the outside through the end plate insulating film 103, the top insulating film 104 and the bottom insulating film 105.
As shown in fig. 7, 8 and 9, in the electrodeless ear battery module with the battery cell 108 encapsulated by the housing, the battery cell 108 can be turned by itself to complete serial-parallel connection of the battery cell 108 in the module.
As shown in fig. 10, the two sides of the whole electrodeless ear battery module are protected by the end plates 101, the electrode output copper bars and the battery cells 108 are pressed by the end plates 101, the binding bands 109 are used for providing pressure, and the module assembly is completed.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. An electrodeless ear battery module, comprising:
the shell surface of the battery cell is an electrode of the battery cell; the battery cells are a plurality of, each battery cell is arranged in sequence, and adjacent battery cells are electrically connected through the surface of a shell of the battery cell, so as to form a battery cell group, conductive adhesive and metal parts are arranged between adjacent battery cells in the battery cell group, the conductive adhesive is in two layers and distributed on two sides of the metal parts, and the metal parts comprise: metal sheet, aluminum foam, nickel foam or copper foam sheet;
acquisition sheets are arranged between adjacent electric cores in the electric core group, the acquisition sheets are arranged between the metal parts and the conductive adhesive, the acquisition sheets are in direct contact with the metal parts, and all the acquisition sheets are converged to a low-voltage acquisition plug connector;
the electrode output copper bar is electrically connected with the battery cell at the outermost side of the battery cell group and leads out the positive electrode and the negative electrode of the battery cell group;
the insulating piece comprises a top insulating film and a bottom insulating film, the top insulating film and the bottom insulating film are matched and enclose a cylinder, and the insulating piece is at least coated on the periphery of the battery cell group;
and a holder fixing the cell group, and the insulator is positioned between the cell group and the holder.
2. The electrodeless ear cell module of claim 1, wherein the low voltage acquisition plug is mounted on an acquisition carrier; the acquisition carrier and the battery cell group are assembled into a whole by the retainer.
3. The electrodeless ear cell module of claim 1, further comprising an electrode mount mechanically connected to an electrode output copper bar, and the electrode mount is integrated with the cell stack by the holder.
4. The electrodeless ear cell module of claim 1, wherein the electrode output copper bar is arranged in a stack with the cell; the number of the electrode output copper bars is two, wherein the positive electrode output copper bars and the negative electrode output copper bars are distributed on two sides of the battery cell group, or the positive electrode output copper bars and the negative electrode output copper bars are distributed on the same side of the battery cell group.
5. The electrodeless ear cell module as claimed in claim 1, wherein the holder comprises:
a protection plate, which is arranged in a lamination manner with the battery cell; the number of the protection plates is two, and the protection plates are arranged on two sides of the battery cell group;
and the steel strap binds the battery cell group and the protection plate into a whole.
6. The electrodeless ear cell module of claim 1, wherein each cell in the cell group is sequentially connected in series, or partially connected in series, partially connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607970.XA CN114361671B (en) | 2020-12-30 | 2020-12-30 | Electrodeless ear battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607970.XA CN114361671B (en) | 2020-12-30 | 2020-12-30 | Electrodeless ear battery module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114361671A CN114361671A (en) | 2022-04-15 |
| CN114361671B true CN114361671B (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011607970.XA Active CN114361671B (en) | 2020-12-30 | 2020-12-30 | Electrodeless ear battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114361671B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611480A (en) * | 2017-08-07 | 2018-01-19 | 湖南立方新能源科技有限责任公司 | A kind of electrodeless lug lithium ion battery |
| JP2020035655A (en) * | 2018-08-30 | 2020-03-05 | パナソニックＩｐマネジメント株式会社 | Electrode body for secondary cell and secondary cell |
| CN211455790U (en) * | 2020-03-23 | 2020-09-08 | 洛阳储变电系统有限公司 | Battery module and battery box |
| CN212182475U (en) * | 2020-06-02 | 2020-12-18 | 湖北亿纬动力有限公司 | Ear-free electric core and battery module |
-
2020
- 2020-12-30 CN CN202011607970.XA patent/CN114361671B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611480A (en) * | 2017-08-07 | 2018-01-19 | 湖南立方新能源科技有限责任公司 | A kind of electrodeless lug lithium ion battery |
| JP2020035655A (en) * | 2018-08-30 | 2020-03-05 | パナソニックＩｐマネジメント株式会社 | Electrode body for secondary cell and secondary cell |
| CN211455790U (en) * | 2020-03-23 | 2020-09-08 | 洛阳储变电系统有限公司 | Battery module and battery box |
| CN212182475U (en) * | 2020-06-02 | 2020-12-18 | 湖北亿纬动力有限公司 | Ear-free electric core and battery module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114361671A (en) | 2022-04-15 |
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