CN204966612U - Soft package lithium ion battery lamination formula electricity core structure - Google Patents
Soft package lithium ion battery lamination formula electricity core structure Download PDFInfo
- Publication number
- CN204966612U CN204966612U CN201520562771.XU CN201520562771U CN204966612U CN 204966612 U CN204966612 U CN 204966612U CN 201520562771 U CN201520562771 U CN 201520562771U CN 204966612 U CN204966612 U CN 204966612U
- Authority
- CN
- China
- Prior art keywords
- negative
- piece
- lead
- out tablet
- ear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003475 lamination Methods 0.000 title claims abstract description 14
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title abstract description 3
- 229910001416 lithium ion Inorganic materials 0.000 title abstract description 3
- 230000005611 electricity Effects 0.000 title abstract 5
- 230000004888 barrier function Effects 0.000 claims description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 11
- 229910052744 lithium Inorganic materials 0.000 claims description 11
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 239000002985 plastic film Substances 0.000 description 7
- 229920006255 plastic film Polymers 0.000 description 7
- 238000003466 welding Methods 0.000 description 5
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000012856 packing Methods 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
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a soft package lithium ion battery lamination formula electricity core structure, including electric core body, anodal ear, the negative pole ear, electricity core body is by the positive plate, negative pole piece and diaphragm from last down range upon range of forming, the positive plate includes the anodal mass flow body, the negative pole piece includes negative current collector, it draws forth the piece to be equipped with anodal ear on the positive mass flow body, the piece is drawn forth to the last negative pole ear that is equipped with of negative current collector, the positive pole is drawn forth the piece and is bulgeed the both ends in electric core body along length direction respectively with the cathode extraction piece, the anodal ear that is arranged in the positive plate on upper strata in the electricity core body is drawn the piece and is drawn the piece with the anodal ear that is arranged in the positive plate of lower floor, the negative pole ear that is arranged in the negative pole piece on upper strata in the electricity core body is drawn piece and the negative pole ear that is arranged in the negative pole piece of lower floor and is drawn the piece homogeneous phase and intercross the staggered floor and fold, anodal ear is drawn forth the piece and is connected with anodal ear, the negative pole ear is drawn forth the piece and is connected with the negative pole ear. The utility model is simple and reasonable in structure, just effectively reduced, the utmost point ear of negative pole piece draws forth the whole thickness after the piece stack, the battery encapsulation of being convenient for.
Description
Technical field
The utility model relates to a kind of soft bag lithium ionic cell battery core, especially relates to a kind of soft bag lithium ionic cell lamination type electric cored structure.
Background technology
In existing laminated type lithium ion battery, in order to meet the lifting of monomer energy or power, the quantity of required positive/negative plate also will increase thereupon.When the both positive and negative polarity lamination number of plies is too much, in lug lead-out tablet position, will very thick welding region be formed after lug lead-out tablet and tab welding, be easy to cause rosin joint.When after encapsulation completes and after later process completes and vacuumizes, this region will fit tightly with aluminum plastic film external packing, because aluminum plastic film is very soft and thin, if be subject to extraneous extruding when follow-up connection in series-parallel forms battery core module, be easy to cause this position damaged, the lighter causes the isolated corrosion of battery core, along with the intensification of extent of corrosion, can cause the generation of this position battery core phenomenon of leakage, severe one directly causes battery to be scrapped.Therefore, a kind of rational lamination type electric cored structure of specialized designs has very much production practices meaning.
Utility model content
The utility model is that after the lug lead-out tablet superposition in order to solve prior art, thickness is blocked up, easily rosin joint is caused with during tab welding, easily cause the problem of battery outsourcing aluminum plastic film breakage, provide a kind of structure simple, the integral thickness of lug lead-out tablet superposition can be reduced, improve battery container space availability ratio, when avoiding encapsulating, damage the soft bag lithium ionic cell lamination type electric cored structure of aluminum plastic film.
To achieve these goals, the utility model is by the following technical solutions:
A kind of soft bag lithium ionic cell lamination type electric cored structure, comprise battery core body and anode ear, negative electrode lug, described battery core body is by positive plate, negative plate and barrier film press negative plate from top to bottom, barrier film, positive plate, the sequence alternate of barrier film is laminated, described positive plate comprises plus plate current-collecting body and is coated on the anode sizing agent layer of anode collection surface, described negative plate comprises negative current collector and is coated on the cathode size layer of negative pole currect collecting surface, described positive collector is provided with anode ear lead-out tablet, described negative current collector is provided with negative electrode lug lead-out tablet, described positive pole lead-out tablet and negative pole lead-out tablet protrude from battery core body two ends along its length respectively, the anode ear lead-out tablet being arranged in the positive plate on upper strata in battery core body is interlaced stacked with the anode ear lead-out tablet of the positive plate being arranged in lower floor, the negative electrode lug lead-out tablet being arranged in the negative plate on upper strata in battery core body is interlaced stacked with the negative electrode lug lead-out tablet of the negative plate being arranged in lower floor, described anode ear lead-out tablet is connected with anode ear, described negative electrode lug lead-out tablet is connected with negative electrode lug.The utility model makes anode ear, negative electrode lug is respectively at the two ends being positioned at battery core body, adopt the anode ear lead-out tablet that is arranged in the positive plate on upper strata and the anode ear lead-out tablet of positive plate being arranged in lower floor simultaneously, the interlaced stacked design of negative electrode lug lead-out tablet of the negative electrode lug lead-out tablet being arranged in the negative plate on upper strata and the negative plate being arranged in lower floor, just to abandon in traditional battery core, the lug lead-out tablet of negative plate is in the mode of same one end overlap, structure is simple, rationally, just effectively reduce, integral thickness after the lug lead-out tablet superposition of negative plate, be convenient to cell package, can avoid damaging aluminum plastic film during encapsulation, be applicable to the needs that large-scale industrial is produced.
As preferably, battery core body surface is fixed on by adhesive tape in the ending place of described barrier film.
As preferably, described positive collector is thickness 20 ~ 30 μm of aluminium foils, and described negative collector is the Copper Foil of thickness 10 ~ 15 μm.
As preferably, described anode ear lead-out tablet and positive collector, described negative electrode lug lead-out tablet and negative collector are homogeneity integrative-structure.
As preferably, in described battery core body, negative plate is 71 layers, and positive plate is 70 layers.
Therefore, the utility model has following beneficial effect: the utility model makes anode ear, negative electrode lug is respectively at the two ends being positioned at battery core body, adopt the anode ear lead-out tablet that is arranged in the positive plate on upper strata and the anode ear lead-out tablet of positive plate being arranged in lower floor simultaneously, the interlaced stacked design of negative electrode lug lead-out tablet of the negative electrode lug lead-out tablet being arranged in the negative plate on upper strata and the negative plate being arranged in lower floor, just to abandon in traditional battery core, the lug lead-out tablet of negative plate is in the mode of same one end overlap, structure is simple, rationally, just effectively reduce, integral thickness after the lug lead-out tablet superposition of negative plate, be convenient to cell package, can avoid damaging aluminum plastic film during encapsulation, be applicable to the needs that large-scale industrial is produced.
Accompanying drawing explanation
Fig. 1 is a kind of vertical view of the present utility model.
Fig. 2 is the cutaway view of Fig. 1 along A-A direction.
In figure: plus plate current-collecting body 1, anode sizing agent layer 2, negative current collector 3, cathode size layer 4, barrier film 5, anode ear lead-out tablet 6, negative electrode lug lead-out tablet 7, anode ear 8, negative electrode lug 9.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As Fig. 1, a kind of soft bag lithium ionic cell lamination type electric cored structure shown in Fig. 2, comprise battery core body and anode ear 8, negative electrode lug 9, battery core body is by positive plate, negative plate and barrier film press negative plate from top to bottom, barrier film 5, positive plate, the sequence alternate of barrier film is laminated, battery core body surface is fixed on by adhesive tape in the ending place of barrier film, negative plate is 71 layers, positive plate is 70 layers, positive plate comprises plus plate current-collecting body 1 and is coated on the anode sizing agent layer 2 of anode collection surface, negative plate comprises negative current collector 3 and is coated on the cathode size layer 4 of negative pole currect collecting surface, positive collector is provided with anode ear lead-out tablet 6, negative current collector is provided with negative electrode lug lead-out tablet 7, wherein anode ear lead-out tablet and positive collector, negative electrode lug lead-out tablet and negative collector are homogeneity integrative-structure, positive collector is thickness 20 μm of aluminium foils, negative collector is the Copper Foil of thickness 10 μm, positive pole lead-out tablet and negative pole lead-out tablet protrude from battery core body two ends along its length respectively, the anode ear lead-out tablet being arranged in the positive plate on upper strata in battery core body is interlaced stacked with the anode ear lead-out tablet of the positive plate being arranged in lower floor, the negative electrode lug lead-out tablet being arranged in the negative plate on upper strata in battery core body is interlaced stacked with the negative electrode lug lead-out tablet of the negative plate being arranged in lower floor, anode ear lead-out tablet welds with anode ear, negative electrode lug lead-out tablet and negative pole lug welding.
The utility model obtains by the following method: barrier film adopts Z-type to fold, positive plate, negative plate are located in the gap formed when barrier film folds successively, again the ending place adhesive tape of barrier film is fixed on battery core body surface, finally by anode ear lead-out tablet, negative electrode lug lead-out tablet respectively with anode ear, negative pole lug welding.
The utility model makes anode ear, negative electrode lug is respectively at the two ends being positioned at battery core body, adopt the anode ear lead-out tablet that is arranged in the positive plate on upper strata and the anode ear lead-out tablet of positive plate being arranged in lower floor simultaneously, the interlaced stacked design of negative electrode lug lead-out tablet of the negative electrode lug lead-out tablet being arranged in the negative plate on upper strata and the negative plate being arranged in lower floor, just to abandon in traditional battery core, the lug lead-out tablet of negative plate is in the mode of same one end overlap, structure is simple, rationally, just effectively reduce, integral thickness after the lug lead-out tablet superposition of negative plate, be convenient to cell package, can avoid damaging aluminum plastic film during encapsulation, be applicable to the needs that large-scale industrial is produced.
Claims (5)
1. a soft bag lithium ionic cell lamination type electric cored structure, comprise battery core body and anode ear (8), negative electrode lug (9), described battery core body is by positive plate, negative plate and barrier film press negative plate from top to bottom, barrier film (5), positive plate, the sequence alternate of barrier film is laminated, described positive plate comprises plus plate current-collecting body (1) and is coated on the anode sizing agent layer (2) of anode collection surface, described negative plate comprises negative current collector (3) and is coated on the cathode size layer (4) of negative pole currect collecting surface, described plus plate current-collecting body is provided with anode ear lead-out tablet (6), described negative current collector is provided with negative electrode lug lead-out tablet (7), it is characterized in that, described positive pole lead-out tablet and negative pole lead-out tablet protrude from battery core body two ends along its length respectively, the anode ear lead-out tablet being arranged in the positive plate on upper strata in battery core body is interlaced stacked with the anode ear lead-out tablet of the positive plate being arranged in lower floor, the negative electrode lug lead-out tablet being arranged in the negative plate on upper strata in battery core body is interlaced stacked with the negative electrode lug lead-out tablet of the negative plate being arranged in lower floor, described anode ear lead-out tablet is connected with anode ear, described negative electrode lug lead-out tablet is connected with negative electrode lug.
2. a kind of soft bag lithium ionic cell lamination type electric cored structure according to claim 1, it is characterized in that, battery core body surface is fixed on by adhesive tape in the ending place of described barrier film.
3. a kind of soft bag lithium ionic cell lamination type electric cored structure according to claim 1, is characterized in that, described plus plate current-collecting body is thickness 20 ~ 30 μm of aluminium foils, and described negative current collector is the Copper Foil of thickness 10 ~ 15 μm.
4. a kind of soft bag lithium ionic cell lamination type electric cored structure according to claim 1 or 3, is characterized in that, described anode ear lead-out tablet and plus plate current-collecting body, described negative electrode lug lead-out tablet and negative current collector are homogeneity integrative-structure.
5. a kind of soft bag lithium ionic cell lamination type electric cored structure according to claim 1, is characterized in that, in described battery core body, negative plate is 71 layers, and positive plate is 70 layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562771.XU CN204966612U (en) | 2015-07-30 | 2015-07-30 | Soft package lithium ion battery lamination formula electricity core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562771.XU CN204966612U (en) | 2015-07-30 | 2015-07-30 | Soft package lithium ion battery lamination formula electricity core structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204966612U true CN204966612U (en) | 2016-01-13 |
Family
ID=55061654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520562771.XU Expired - Fee Related CN204966612U (en) | 2015-07-30 | 2015-07-30 | Soft package lithium ion battery lamination formula electricity core structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204966612U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400377A (en) * | 2018-01-18 | 2018-08-14 | 深圳市格瑞普电池有限公司 | Button laminated lithium ion battery |
| CN109935773A (en) * | 2018-12-30 | 2019-06-25 | 万向一二三股份公司 | Lithium ion laminated battery |
| CN110661035A (en) * | 2018-06-29 | 2020-01-07 | 成都市银隆新能源有限公司 | A single cell, a flexible battery pack and a preparation method thereof |
-
2015
- 2015-07-30 CN CN201520562771.XU patent/CN204966612U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400377A (en) * | 2018-01-18 | 2018-08-14 | 深圳市格瑞普电池有限公司 | Button laminated lithium ion battery |
| CN110661035A (en) * | 2018-06-29 | 2020-01-07 | 成都市银隆新能源有限公司 | A single cell, a flexible battery pack and a preparation method thereof |
| CN110661035B (en) * | 2018-06-29 | 2024-11-12 | 成都市银隆新能源有限公司 | A single battery cell, a flexible battery pack and a method for preparing the same |
| CN109935773A (en) * | 2018-12-30 | 2019-06-25 | 万向一二三股份公司 | Lithium ion laminated battery |
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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 | ||
| CP03 | Change of name, title or address |
Address after: 311215 Xiaoshan economic and Technological Development Zone, Zhejiang District, No. two road, building No. 855, No. Patentee after: Wanxiang A123 Co.,Ltd. Patentee after: WANXIANG GROUP Co.,Ltd. Address before: 311215 Xiaoshan economic and Technological Development Zone, Zhejiang, No. two road, building No. 118, No. Patentee before: WANXIANG A123 SYSTEMS Co.,Ltd. Patentee before: WANXIANG GROUP Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20210730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |