CN114050359A - Modularized lead-acid battery and forming method thereof - Google Patents
Modularized lead-acid battery and forming method thereof Download PDFInfo
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- CN114050359A CN114050359A CN202111413941.4A CN202111413941A CN114050359A CN 114050359 A CN114050359 A CN 114050359A CN 202111413941 A CN202111413941 A CN 202111413941A CN 114050359 A CN114050359 A CN 114050359A
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- plate
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- acid battery
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- 239000002253 acid Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 239000013543 active substance Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000978 Pb alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
- H01M10/14—Assembling a group of electrodes or separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/14—Electrodes for lead-acid accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/14—Electrodes for lead-acid accumulators
- H01M4/16—Processes of manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
- H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/112—Monobloc comprising multiple compartments
- H01M50/114—Monobloc comprising multiple compartments specially adapted for lead-acid cells
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a modularized lead-acid battery, which comprises a battery shell and a plurality of positive and negative plates arranged in the battery shell, wherein the battery shell comprises a plurality of module shells which are detachably connected together, the module shells are stacked together up and down, a plate groove is formed between every two adjacent module shells, at least one positive plate and at least one negative plate are stacked in the plate groove, and a separator is arranged between the positive plate and the negative plate, and the positive plate and the negative plate are both made of a plate grid with the thickness of 0.1-1 mm. The invention provides a modularized lead-acid battery and a forming method thereof, aiming at the technical problem of low product percent of pass when a thin pole plate is installed in the existing battery structure.
Description
Technical Field
The invention relates to the technical field of lead-acid batteries, in particular to a modular lead-acid battery and a forming method thereof.
Background
The AGM separators are respectively coated by positive and negative plates of the battery cluster and then are well stacked in a staggered manner, the cluster is pushed into a battery tank with a cavity in a manual or mechanical manner, the lugs are connected in an auxiliary welding or manual welding manner, and the battery cover is sealed with the battery tank through glue sealing.
The main defects are as follows: (1) the positive and negative plates are thicker, especially the grids, so that the cost of the battery material can only be reduced to a certain degree (2) when the grids are manufactured by adopting thinner stamping plates, the grids are easy to deform when being inserted into a battery groove body, so that the battery is short-circuited and fails, and the product percent of pass is low.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention provides a modularized lead-acid battery and a forming method thereof, aiming at the technical problem of low product percent of pass when a thin pole plate is installed in the existing battery structure.
2. Technical scheme
In order to solve the problems, the technical scheme provided by the invention is as follows:
the utility model provides a modularization lead acid battery, includes battery case to and install a plurality of positive and negative polar plate in battery case, battery case includes a plurality of module casings that link together of dismantling, and is a plurality of module casings are piled together from top to bottom, have the polar plate groove between two adjacent module casings, the polar plate inslot is piled up at least one positive plate and at least one negative plate to and locate the baffle between positive plate and the negative plate, positive plate and negative plate are made by the grid that thickness is 0.1-1 mm.
Alternatively, a plurality of the module housings are stacked up and down, and the pole plate groove is provided on the lower module housing of the adjacent two module housings and sealed by the upper module housing.
Optionally, the module housing further comprises a positioning structure for positioning and connecting two adjacent module housings.
Optionally, the positioning structure includes a positioning protrusion disposed on one of the two adjacent module housings, and a positioning groove disposed on the other module housing.
Optionally, the positioning protrusion and the positioning groove are both arranged along an edge of the module housing.
Optionally, the plate grooves are provided with a plurality of positive plates and a plurality of negative plates, and separators are arranged between the positive plates and the negative plates, and the positive plates and the negative plates are sequentially and alternately laminated together
Optionally, the number of positive plates is the same as or at most one less than the number of negative plates.
Optionally, the battery further comprises a fixed shell integrally formed on the outer side of the battery shell.
S1, adopting a stamping process to manufacture a grid with the thickness of 0.1-1mm, and then attaching active substances on the grid through a paste coating process to manufacture a polar plate with the thickness of 0.5-2.3 mm; s2, alternately laminating the positive plates and the negative plates on one module shell through separators, and sealing the module shell through the other module shell; s3, repeating the steps to laminate a plurality of module shells together; s4, connecting the positive and negative poles in the polar plate grooves in series in sequence to form a passage; and S5, manufacturing a fixed shell outside the module shells in an integrated forming mode.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) the modularized lead-acid battery breaks through the structural limitation of the traditional lead-acid battery, and because the adjacent two module shells 1 are detachably connected, when a positive plate and a negative plate which are made of ultrathin grids are installed, the installation mode of the polar plates is changed from the traditional insertion mode to the horizontal stacking mode, so that the installation and fixation of the thinner polar plates can be completed, and the product percent of pass is improved; the positive plate and the negative plate are made of ultrathin grids, so that the lead alloy consumption of the grids is reduced, and the material cost is reduced; in addition, the lead-acid battery made of the ultrathin polar plate has the advantages that the utilization rate of active substances is improved due to the thinning of the polar plate, the polar distance is reduced, the large-current performance of the battery is excellent, and the performance of the battery is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a modular lead-acid battery according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a modular lead-acid battery according to an embodiment of the present invention;
FIG. 3 is a partial schematic view of FIG. 2 at A;
FIG. 4 is a schematic structural diagram of a module housing of a modular lead-acid battery according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a front electrode connection of a modular lead-acid battery according to an embodiment of the present invention;
1. a module housing; 1a, a polar plate groove; 2. a positive plate; 3. a negative plate; 4. a partition plate; 5. positioning the projection; 6. positioning a groove; 7. the housing is fixed.
Detailed Description
For a further understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings 1-5 and examples.
Referring to fig. 1-5, a modular lead-acid battery of this embodiment includes a battery case and a plurality of positive and negative electrode plates mounted in the battery case, the battery case includes a plurality of module cases 1 detachably connected together, a plurality of module cases 1 are stacked up and down, a plate slot 1a is provided between two adjacent module cases 1, at least one positive plate 2 and at least one negative plate 3 are stacked in the plate slot 1a, and a separator 4 is provided between the positive plate 2 and the negative plate 3, the positive plate 2, the negative plate 3 and the separator 4 are horizontally stacked above the module case 1, if there are a plurality of positive plates 2 and negative plates 3, a plurality of positive plates 2 and negative plates 3 are sequentially stacked in an interleaved manner (i.e. there are necessarily one positive plate 2 and one negative plate 3 on both sides of the separator), the quantity of the positive plate 2 is the same as that of the negative plate 3 or at least one less positive plate 2, the thickness of the positive plate 2 and the thickness of the negative plate 3 are 0.5-2.3mm, the positive plate 2 and the negative plate 3 are made by attaching active substances on a grid through a paste coating process by the grid with the thickness of 0.1-1mm, the tabs of the positive plate 2 in the same plate groove 1a are welded together to form a positive conductive tab (V +), the tabs of the negative plate 3 in the same plate groove 1a are welded together to form a negative conductive tab (V-), finally, the positive conductive tabs (V +) and the negative conductive tabs (V-) in all the plate grooves 1a are sequentially connected in series to form a passage, and the positive conductive tab (V +) and the negative conductive tab (V-) in the outermost side are separately led out.
S1, adopting a stamping process to manufacture a grid with the thickness of 0.1-1mm, and then attaching active substances on the grid through a paste coating process to manufacture a polar plate with the thickness of 0.5-2.3 mm; s2, alternately laminating the positive plates and the negative plates on one module shell through separators, and sealing the module shell through the other module shell; s3, repeating the steps to laminate a plurality of module shells together; s4, connecting the positive and negative poles in the polar plate grooves in series in sequence to form a passage; and S5, forming a fixed shell outside the module shells in an integrated forming mode to form a complete battery with the voltage of 2nV (n is the number of layers).
The modularized lead-acid battery breaks through the structural limitation of the traditional lead-acid battery, and because the adjacent two module shells 1 are detachably connected, when a positive plate and a negative plate which are made of ultrathin grids are installed, the installation mode of the polar plates is changed from the traditional insertion mode to the horizontal stacking mode, so that the installation and fixation of the thinner polar plates can be completed; the positive plate and the negative plate are made of ultrathin grids, so that the lead alloy consumption of the grids is reduced, and the material cost is reduced; in addition, the lead-acid battery made of the ultrathin polar plate has the advantages that the utilization rate of active substances is improved due to the thinning of the polar plate, the polar distance is reduced, the large-current performance of the battery is excellent, and the performance of the battery is greatly improved.
As an alternative of the present invention, the plate grooves 1a are formed in the lower module case 1 of the two adjacent module cases 1 and sealed by the upper module case 1, and the module case 1 is a plastic plate having upper end surfaces recessed downward to form the plate grooves 1a, which prevents the positive and negative plates from slipping down due to insufficient depth of the plate grooves 1 when the positive and negative plates are mounted in the plate grooves 1a in a stacked manner (compared to when the plate grooves 1a are formed in the two adjacent module cases 1, respectively).
As an alternative of the present invention, in order to ensure the positioning connection of two adjacent module housings 1, the present invention further includes a positioning structure for positioning and connecting two adjacent module housings 1, in this embodiment, the positioning structure includes a positioning protrusion 5 disposed on one module housing 1 of two adjacent module housings 1 and a positioning groove 6 disposed on the other module housing 1, the positioning protrusion 5 on the positioning protrusion 5 is matched with the positioning groove 6, and both the positioning protrusion 5 and the positioning groove 6 are disposed along the edge of the module housing 1, so that after the positioning protrusion 5 is matched with the positioning groove 6, not only the positioning connection effect can be achieved, but also the sealing performance of the edge connection position of two adjacent module housings 1 can be ensured.
As an alternative of the present invention, in order to improve the connection stability of a plurality of module housings stacked together, the present invention further includes a fixing housing 7, the fixing housing 7 is integrally formed on the outer side of the battery housing, the fixing housing 7 may be integrally formed in a manner of secondary plastic-wrapping fixing, or in a manner of hot-melt sealing fixing and glue sealing fixing, in this embodiment, the fixing housing 7 is preferably integrally formed in a manner of secondary plastic-wrapping fixing, and a plurality of module housings stacked together may be placed into a secondary injection mold and encapsulated.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (9)
1. The utility model provides a modularization lead acid battery, includes battery case to and install a plurality of positive negative plate in battery case, its characterized in that: the battery shell comprises a plurality of module shells which are detachably connected together, wherein the module shells are stacked together up and down, an electrode plate groove is formed between every two adjacent module shells, at least one positive plate and at least one negative plate are stacked in the electrode plate groove, a partition plate is arranged between the positive plate and the negative plate, and the positive plate and the negative plate are made of a plate grid with the thickness of 0.1-1 mm.
2. A modular lead-acid battery according to claim 1, characterized in that: the module shells are stacked together, and the polar plate groove is arranged on the lower module shell of the two adjacent module shells and is sealed by the upper module shell.
3. A modular lead-acid battery according to claim 1, characterized in that: the module shell positioning structure further comprises a positioning structure for positioning and connecting two adjacent module shells.
4. A modular lead-acid battery according to claim 3, characterized in that: the positioning structure comprises a positioning bulge arranged on one of the two adjacent module shells and a positioning groove arranged on the other module shell.
5. A modular lead-acid battery according to claim 4, characterized in that: the positioning protrusions and the positioning grooves are arranged along the edge of the module shell.
6. A modular lead-acid battery according to any of claims 1 to 5, characterised in that: the negative plate groove is internally provided with a plurality of positive plates, a plurality of negative plates and a partition board arranged between the positive plates and the negative plates, and the positive plates and the negative plates are sequentially staggered and laminated together.
7. A modular lead-acid battery according to claim 6, characterized in that: the number of the positive plates is the same as or at most one less than that of the negative plates.
8. A modular lead-acid battery according to any of claims 1 to 5, characterised in that: still include fixed shell, fixed shell integrated into one piece is in battery case's outside.
9. A method of forming a modular lead-acid battery according to any of claims 1 to 8, characterized in that: comprises the following steps of (a) carrying out,
s1, manufacturing a grid with the thickness of 0.1-1mm by adopting a stamping process, and attaching active substances on the grid by a paste coating process to manufacture a polar plate with the thickness of 0.5-2.3 mm;
s2, alternately laminating the positive plates and the negative plates on one module shell through separators, and sealing the module shell through the other module shell;
s3, repeating the steps to laminate a plurality of module shells together;
s4, connecting the positive and negative poles in the polar plate grooves in series in sequence to form a passage;
and S5, manufacturing a fixed shell outside the module shells in an integrated forming mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413941.4A CN114050359A (en) | 2021-11-25 | 2021-11-25 | Modularized lead-acid battery and forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413941.4A CN114050359A (en) | 2021-11-25 | 2021-11-25 | Modularized lead-acid battery and forming method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114050359A true CN114050359A (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111413941.4A Pending CN114050359A (en) | 2021-11-25 | 2021-11-25 | Modularized lead-acid battery and forming method thereof |
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| Country | Link |
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| CN (1) | CN114050359A (en) |
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| CN102088114A (en) * | 2010-12-22 | 2011-06-08 | 刘粤荣 | Combined slot body used for layer-built battery pack |
| CN102891284A (en) * | 2012-10-18 | 2013-01-23 | 双登集团股份有限公司 | Lead-acid battery plate |
| JP2013145649A (en) * | 2012-01-13 | 2013-07-25 | Nissan Motor Co Ltd | Method for manufacturing electric device pack or electric device module and electric device pack or electric device module manufactured thereby |
| WO2016182170A1 (en) * | 2015-05-14 | 2016-11-17 | 주식회사 엘지화학 | Battery module |
| US20190393559A1 (en) * | 2018-06-25 | 2019-12-26 | Eskra Technical Products, Inc. | Bipolar lead acid battery cells with increased energy density |
| CN110870093A (en) * | 2017-07-04 | 2020-03-06 | 奥迪股份公司 | Battery for an electric drive of a motor vehicle |
| CN216750082U (en) * | 2021-11-25 | 2022-06-14 | 界首市南都华宇电源有限公司 | Modularized lead-acid battery |
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2021
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101060181A (en) * | 2006-04-17 | 2007-10-24 | 周海 | A self-protective lead-acid storage battery and its manufacture method |
| CN2896540Y (en) * | 2006-06-05 | 2007-05-02 | 乐美中 | High-energy combined accumulator |
| CN101159336A (en) * | 2007-09-25 | 2008-04-09 | 周载羽 | Sealed type lead acid batteries |
| CN101630740A (en) * | 2009-08-03 | 2010-01-20 | 刘粤荣 | Unipolar direction polar plate for lead storage battery as well as building block type battery and battery unit thereof |
| CN102088114A (en) * | 2010-12-22 | 2011-06-08 | 刘粤荣 | Combined slot body used for layer-built battery pack |
| JP2013145649A (en) * | 2012-01-13 | 2013-07-25 | Nissan Motor Co Ltd | Method for manufacturing electric device pack or electric device module and electric device pack or electric device module manufactured thereby |
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Effective date of registration: 20220211 Address after: 236500 Tianying Industrial Park, Jieshou City, Fuyang, Anhui Applicant after: JIESHOU NANDU HUAYU POWER SOURCE Co.,Ltd. Address before: No.72, landscape Avenue, Qingshanhu street, Lin'an City, Hangzhou City, Zhejiang Province Applicant before: ZHEJIANG NARADA POWER SOURCE Co.,Ltd. |
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