CN202695606U - Z-shaped laminated cell of lithium ion battery for high-capacity automobile - Google Patents
Z-shaped laminated cell of lithium ion battery for high-capacity automobile Download PDFInfo
- Publication number
- CN202695606U CN202695606U CN2012203353270U CN201220335327U CN202695606U CN 202695606 U CN202695606 U CN 202695606U CN 2012203353270 U CN2012203353270 U CN 2012203353270U CN 201220335327 U CN201220335327 U CN 201220335327U CN 202695606 U CN202695606 U CN 202695606U
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- Prior art keywords
- pole piece
- laminated cell
- negative
- positive
- lithium ion
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- 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
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- 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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a Z-shaped laminated cell of a lithium ion battery for a high-capacity automobile. The Z-shaped laminated cell comprises positive plates, negative plates and diaphragms, wherein the positive plates and the negative plates are stacked in a staggered manner, and one diaphragm is clamped between each positive plate and the corresponding negative plate. The cross sections of the diaphragms are folded in a Z-shaped manner, a plurality of positive tabs integrally connected with each positive plate are arranged on the positive plate, a plurality of negative tabs integrally connected with each negative plate are arranged on the negative plate, and the positive tabs and the negative tabs are respectively overlapped in the laminated cell. The Z-shaped laminated cell has the advantages of uniform temperature distribution, low internal resistance of the battery, no internal stress, fine rate discharge, high battery safety and the like.
Description
Technical field
The utility model relates to the battery battery core technical field, particularly relates to a kind of large volume automobile Z-shaped laminated cell of lithium ion battery.
Background technology
Lithium ion battery is comprised of anode pole piece, cathode pole piece, barrier film, electrolyte and shell.The lithium ion cell electrode active material generally adopts dual coating at present, and the full accuracy of coating machine also can only be accomplished single face 2 ~ 3 μ m, the thickness error of two-sided 4 ~ 6 μ m.The electric automobile field that is applied in that the power-type lithium ion battery is main, often up to a hundred cell connection in series-parallel are used, and are very high to the coherence request of battery.And just having caused the error of pole piece thickness 4 ~ 6 μ m at painting process, this is the relatively poor one of the main reasons of present power type battery consistency.
Lithium ion battery cell mainly contains and reels and two kinds of structures of lamination at present.Winding-structure is that dual coating both positive and negative polarity pole piece is made strip, and the lug of burn-oning is wrapped barrier film, is rolled into the semi-finished product battery.Winding process efficient is high, but the internal resistance of cell is higher, and is not suitable for doing jumbo battery.Lamination is that dual coating both positive and negative polarity pole piece is made sheet, and the alternate folded code of positive/negative plate becomes the semi-finished product battery, and the centre separates with barrier film.The laminated batteries internal resistance is low, is fit to do high capacity cell, but film-making technique relative complex, and lamination process efficient is low simultaneously.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of large volume automobile with the Z-shaped laminated cell of lithium ion battery, tails off so that take installing space.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of large volume automobile Z-shaped laminated cell of lithium ion battery is provided, comprise anode pole piece, cathode pole piece and barrier film, the interlaced stack of described anode pole piece and cathode pole piece is placed, and accompanies one deck barrier film in the middle of every layer of anode pole piece and the cathode pole piece; It is Z-shaped folding that the cross section of described barrier film is; Described anode pole piece is provided with a plurality of anode ears that are connected with anode pole piece; Described cathode pole piece is provided with a plurality of negative electrode lugs that are connected with cathode pole piece, and described anode ear and negative electrode lug overlap respectively in described laminated cell.
Post gummed paper around the described laminated cell.
Beneficial effect
Owing to having adopted above-mentioned technical scheme, the utility model compared with prior art has following advantage and good effect: leave a plurality of lugs on the utility model pole piece, lug is connected with pole piece when die-cut, does not need welding, contactless internal resistance; The migration distance of electronics has been shortened in multistage ear design, and pole piece can with than high current density discharge, be fit to the battery of power type very much.Be Z-shaped stacked superposition process between anode pole piece and the cathode pole piece more simple, production efficiency is improved.The utlity model has that uniformity of temperature profile, the internal resistance of cell are little, inner unstressed, multiplying power discharging reaches well the advantages such as battery security is good.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is schematic cross-section of the present utility model.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only are used for explanation the utility model and are not used in the scope of the present utility model that limits.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Execution mode of the present utility model relates to a kind of large volume automobile Z-shaped laminated cell of lithium ion battery, as depicted in figs. 1 and 2, comprise anode pole piece 3, cathode pole piece 4 and barrier film 5, the 4 interlaced stacks of described anode pole piece 3 and cathode pole piece are placed, and accompany one deck barrier films 5 in the middle of every layer of anode pole piece 3 and the cathode pole piece 4; It is Z-shaped folding that the cross section of described barrier film 5 is; Described anode pole piece 3 is provided with a plurality of anode ears 1 that are connected with anode pole piece 3; Described cathode pole piece 4 is provided with a plurality of negative electrode lugs 2 that are connected with cathode pole piece 4, and described anode ear 1 and negative electrode lug 2 overlap respectively in described laminated cell.Post gummed paper 6 around the described laminated cell, thereby the fixation of playing so that can enter at last shell welding, fluid injection, change into, is made the finished product battery.
The utility model can obtain by following manufacture method, first slurry evenly is coated on the collector, after the drying, makes pole piece behind continuous rolling, continuous itemize, continuous cross cutting; Pole piece behind the cross cutting utilizes automatic fraction collector weigh sorting, the automatic brushing piece of automatic brushing machine; Pole piece after the brushing piece is placed in the pole piece hopper, and the recycling automatic laminating machine adopts the shape lamination of Z to become battery core.
Be not difficult to find, leave a plurality of lugs on the utility model pole piece, lug is connected with pole piece when die-cut, does not need welding, contactless internal resistance; The migration distance of electronics has been shortened in multistage ear design, and pole piece can with than high current density discharge, be fit to the battery of power type very much.Be Z-shaped stacked superposition process between anode pole piece and the cathode pole piece more simple, production efficiency is improved.The utlity model has that uniformity of temperature profile, the internal resistance of cell are little, inner unstressed, multiplying power discharging reaches well the advantages such as battery security is good.
Claims (2)
1. a large volume automobile is with the Z-shaped laminated cell of lithium ion battery, comprise anode pole piece (3), cathode pole piece (4) and barrier film (5), it is characterized in that, the interlaced stack of described anode pole piece (3) and cathode pole piece (4) is placed, and accompanies one deck barrier film (5) in the middle of every layer of anode pole piece (3) and the cathode pole piece (4); It is Z-shaped folding that the cross section of described barrier film (5) is; Described anode pole piece (3) is provided with a plurality of anode ears (1) that are connected with anode pole piece (3); Described cathode pole piece (4) is provided with a plurality of negative electrode lugs (2) that are connected with cathode pole piece (4), and described anode ear (1) and negative electrode lug (2) overlap respectively in described laminated cell.
2. large volume automobile according to claim 1 is characterized in that with the Z-shaped laminated cell of lithium ion battery, posts gummed paper (6) around the described laminated cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203353270U CN202695606U (en) | 2012-07-11 | 2012-07-11 | Z-shaped laminated cell of lithium ion battery for high-capacity automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203353270U CN202695606U (en) | 2012-07-11 | 2012-07-11 | Z-shaped laminated cell of lithium ion battery for high-capacity automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202695606U true CN202695606U (en) | 2013-01-23 |
Family
ID=47551175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203353270U Expired - Lifetime CN202695606U (en) | 2012-07-11 | 2012-07-11 | Z-shaped laminated cell of lithium ion battery for high-capacity automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202695606U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051792A (en) * | 2014-07-03 | 2014-09-17 | 宁德新能源科技有限公司 | Preparation method of non-rectangular lamination battery cell |
| CN109643783A (en) * | 2016-08-22 | 2019-04-16 | 宝马股份公司 | Separator-current-collector-unit for primary battery monomer |
| CN112335092A (en) * | 2018-06-29 | 2021-02-05 | 远景Aesc能源元器件有限公司 | Lithium ion secondary battery |
| CN113991164A (en) * | 2021-10-27 | 2022-01-28 | 珠海冠宇电池股份有限公司 | Battery cell manufacturing method and battery cell |
-
2012
- 2012-07-11 CN CN2012203353270U patent/CN202695606U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051792A (en) * | 2014-07-03 | 2014-09-17 | 宁德新能源科技有限公司 | Preparation method of non-rectangular lamination battery cell |
| CN104051792B (en) * | 2014-07-03 | 2016-03-09 | 宁德新能源科技有限公司 | The preparation method of non-rectangle laminated cell |
| CN109643783A (en) * | 2016-08-22 | 2019-04-16 | 宝马股份公司 | Separator-current-collector-unit for primary battery monomer |
| CN112335092A (en) * | 2018-06-29 | 2021-02-05 | 远景Aesc能源元器件有限公司 | Lithium ion secondary battery |
| CN112335092B (en) * | 2018-06-29 | 2023-10-13 | 株式会社Aesc 日本 | Lithium ion secondary battery |
| CN113991164A (en) * | 2021-10-27 | 2022-01-28 | 珠海冠宇电池股份有限公司 | Battery cell manufacturing method and battery cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Three road 201812 Shanghai Jiading District Jiangqiao Town Park No. 223 Patentee after: SHANGHAI SUOLI SCIENCE & TECHNOLOGY Co.,Ltd. Address before: Three road 201812 Shanghai Jiading District Jiangqiao Town Park No. 223 Patentee before: SHANGHAI SUOLI TECHNOLOGY Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Z-shaped laminated cell of lithium ion battery for high-capacity automobile Effective date of registration: 20151216 Granted publication date: 20130123 Pledgee: China Co. truction Bank Corp Shanghai Minhang branch Pledgor: SHANGHAI SUOLI SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: 2015310000050 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190515 Granted publication date: 20130123 Pledgee: China Co. truction Bank Corp Shanghai Minhang branch Pledgor: SHANGHAI SUOLI SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: 2015310000050 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGXI ZHONGQI RUIHUA NEW ENERGY TECHNOLOGY CO.,LTD. Assignor: SHANGHAI SUOLI SCIENCE & TECHNOLOGY Co.,Ltd. Contract record no.: 2019310000044 Denomination of utility model: Z-shaped laminated cell of lithium ion battery for high-capacity automobile Granted publication date: 20130123 License type: Exclusive License Record date: 20190718 |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |