CN204179170U - A kind of multi pole ears takeup type high-power battery - Google Patents
A kind of multi pole ears takeup type high-power battery Download PDFInfo
- Publication number
- CN204179170U CN204179170U CN201420679969.1U CN201420679969U CN204179170U CN 204179170 U CN204179170 U CN 204179170U CN 201420679969 U CN201420679969 U CN 201420679969U CN 204179170 U CN204179170 U CN 204179170U
- Authority
- CN
- China
- Prior art keywords
- core
- aluminium foil
- negative
- copper foil
- positive
- 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
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Classifications
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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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- Sealing Battery Cases Or Jackets (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a kind of multi pole ears takeup type high-power battery, it comprises aluminum plastic film and core, this core comprises positive plate, negative plate and core body, this core body is wrapped in this aluminum plastic film, electrolyte is filled with in this aluminum plastic film, this positive plate and this negative plate are stretched respectively and are set out from this aluminum plastic film, this core also comprises positive pole aluminium foil, negative copper foil and barrier film, the stacked formation one that is set together of this positive pole aluminium foil, this negative copper foil and this barrier film is folded and is established body, and this folded body of establishing forms this core from its one end to other one end winding.
Description
Technical field
The utility model relates to a kind of battery, refer to a kind of battery comprising aluminum plastic film and core especially, wherein, this core comprises positive plate, negative plate and core body, this core comprises positive pole aluminium foil, negative copper foil and barrier film, the stacked formation one that is set together of this positive pole aluminium foil, this negative copper foil and this barrier film is folded and is established body, and this folded body of establishing forms this core from its one end to other one end winding.
Background technology
As everyone knows, battery has suffered as the very general life being used in people now of a kind of power feeding section part, since the commercialization of autohemagglutination compound lithium ion battery, the application of high-rate type lithium ion cell is more and more extensive, and the making of heteromorphic high-rate battery core annoyings each battery core enterprise all the time, heteromorphic high-rate battery core refers to that multiplying power is high between 15C to 60C, discharging current is between 50A to 300A, battery core width is not more than the battery of 40mm, current this kind of battery ubiquity, production cost is high, production efficiency is low, production difficulty coefficient is high, during die-cut every layer of pole piece, easy dry linting affects battery combination property and aluminium, nickel lug is in same one end of battery core, cause cell polar ear restricted width cannot bear the shortcoming of big current, and this is the major defect for prior art.
Utility model content
The utility model provides a kind of multi pole ears takeup type high-power battery, it can carry higher discharging current, takeup type structure of the present utility model can improving production efficiency, reduce production difficulty, there is no die-cut dry linting etc. hidden danger simultaneously, can General Promotion battery combination property, and this is main purpose of the present utility model.
Technical solution adopted in the utility model is: a kind of multi pole ears takeup type high-power battery, it comprises aluminum plastic film and core, this core comprises positive plate, negative plate and core body, this positive plate and this negative plate are separately positioned on the two ends up and down of this core body, this core body is wrapped in this aluminum plastic film, be filled with electrolyte in this aluminum plastic film, this positive plate and this negative plate are stretched respectively and are set out from this aluminum plastic film.
This core also comprises positive pole aluminium foil, negative copper foil and barrier film, wherein, this positive pole aluminium foil comprises aluminium foil body and some aluminium foil lugs, some this aluminium foil lug arrangements are connected to this aluminium foil body top, this aluminium foil body is coated with positive electrode active material layer, this negative copper foil comprises Copper Foil body and some nickel lugs, some this nickel lug arrangements are connected to this Copper Foil body top, this Copper Foil body is coated with negative electrode active material layer, this positive pole aluminium foil, this negative copper foil and the stacked formation one that is set together of this barrier film are folded and are established body, wherein, this barrier film is between this positive pole aluminium foil and this negative copper foil.
This folded body of establishing forms this core from its one end to other one end winding, when concrete enforcement, this core is provided with terminal adhesive tape, these aluminium foil lugs some of this core are all connected with aluminium pole ears and form this positive plate, and these nickel lugs some of this core are all connected with nickel lug and form this negative plate.
The beneficial effects of the utility model are: lug width of the present utility model only need 4 to 6mm less of battery core width, just can carry higher discharging current; The lug position that the every one deck of positive/negative plate of the present utility model has one can weld, the internal resistance of making rear battery core is little, can provide higher multiplying power discharging; Takeup type structure of the present utility model can improving production efficiency, reduce production difficulty, there is no die-cut dry linting etc. hidden danger simultaneously, can General Promotion battery combination property.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model core.
Fig. 3 is the perspective view of the utility model core.
Fig. 4 is the schematic diagram of the utility model negative copper foil.
Fig. 5 is the schematic diagram of the utility model positive pole aluminium foil.
Embodiment
As shown in Fig. 1 to 5, a kind of multi pole ears takeup type high-power battery, it comprises aluminum plastic film 10 and core 20, this core 20 comprises positive plate 21, negative plate 22 and core body 23, this positive plate 21 and this negative plate 22 are separately positioned on the two ends up and down of this core body 23, this core body 23 is wrapped in this aluminum plastic film 10, is filled with electrolyte in this aluminum plastic film 10, and this positive plate 21 and this negative plate 22 are stretched respectively and set out from this aluminum plastic film 10.
This core 20 also comprises positive pole aluminium foil 31, negative copper foil 32 and barrier film, wherein, this positive pole aluminium foil 31 comprises aluminium foil body 311 and some aluminium foil lugs 312, and some this aluminium foil lug 312 arrangements are connected to this aluminium foil body 311 top, and this aluminium foil body 311 is coated with positive electrode active material layer.
This negative copper foil 32 comprises Copper Foil body 321 and some nickel lugs 322, and some this nickel lug 322 arrangements are connected to this Copper Foil body 321 top, and this Copper Foil body 321 is coated with negative electrode active material layer.
The stacked formation one that is set together of this positive pole aluminium foil 31, this negative copper foil 32 and this barrier film is folded and is established body, and wherein, this barrier film is between this positive pole aluminium foil 31 and this negative copper foil 32.
This folded body of establishing forms this core 20 from its one end to other one end winding.
When concrete enforcement, this core 20 is provided with terminal adhesive tape.
These aluminium foil lugs 312 some of this core 20 are all connected with aluminium pole ears and form this positive plate 21, and these nickel lugs 322 some of this core 20 are all connected with nickel lug and form this negative plate 22.
The utility model is when concrete making, and first, on the aluminium foil apply positive active material, negative electrode active or be coated on Copper Foil, makes positive and negative plate after colding pressing; Then, every for each positive plate one deck is reserved an aluminium foil soldering polar ear position and be used for welding of aluminum lug, the every one deck of each negative plate reserves a Copper Foil welding position and is used for welding nickel lug; An above-mentioned positive plate is added a negative plate to add a slice barrier film and reel, during winding, the lug position of positive plate and negative plate is not same one end, and the core completing winding sticks terminal adhesive tape; Then welded with same a slice aluminium pole ears every one deck aluminium pole ears position of core, every one deck Copper Foil lug position is welded with same a slice nickel lug; The core completing welding is placed in aluminum plastic film groove and seals, and once, the heat-sealing of nickel lug limit once for the heat-sealing of aluminium pole ears limit; The battery core sealed carries out vacuum bakeout; Complete the aluminum plastic film of baking containing core and add a certain amount of electrolyte, and then seal into the sack of a sealing; Carry out preliminary filling, two envelopes, partial volume afterwards to complete integral production process.
Claims (3)
1. a multi pole ears takeup type high-power battery, it is characterized in that: comprise aluminum plastic film and core, this core comprises positive plate, negative plate and core body, this core body is wrapped in this aluminum plastic film, electrolyte is filled with in this aluminum plastic film, this positive plate and this negative plate are stretched respectively and are set out from this aluminum plastic film
This core also comprises positive pole aluminium foil, negative copper foil and barrier film, wherein, this positive pole aluminium foil comprises aluminium foil body and some aluminium foil lugs, some this aluminium foil lug arrangements are connected to this aluminium foil body top, this aluminium foil body is coated with positive electrode active material layer, this negative copper foil comprises Copper Foil body and some nickel lugs, some this nickel lug arrangements are connected to this Copper Foil body top, this Copper Foil body is coated with negative electrode active material layer, this positive pole aluminium foil, this negative copper foil and the stacked formation one that is set together of this barrier film are folded and are established body, wherein, this barrier film is between this positive pole aluminium foil and this negative copper foil, this folded body of establishing forms this core from its one end to other one end winding, these aluminium foil lugs some of this core are all connected with aluminium pole ears and form this positive plate, these nickel lugs some of this core are all connected with nickel lug and form this negative plate.
2. a kind of multi pole ears takeup type high-power battery as claimed in claim 1, is characterized in that: this core is provided with terminal adhesive tape.
3. a kind of multi pole ears takeup type high-power battery as claimed in claim 1, is characterized in that: this positive plate and this negative plate are separately positioned on the two ends up and down of this core body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420679969.1U CN204179170U (en) | 2014-11-14 | 2014-11-14 | A kind of multi pole ears takeup type high-power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420679969.1U CN204179170U (en) | 2014-11-14 | 2014-11-14 | A kind of multi pole ears takeup type high-power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204179170U true CN204179170U (en) | 2015-02-25 |
Family
ID=52567954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420679969.1U Expired - Fee Related CN204179170U (en) | 2014-11-14 | 2014-11-14 | A kind of multi pole ears takeup type high-power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204179170U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558680A (en) * | 2015-09-24 | 2017-04-05 | 三星Sdi株式会社 | Electrode assemblie and the secondary cell including which |
| CN110364768A (en) * | 2019-06-11 | 2019-10-22 | 温州大学新材料与产业技术研究院 | A kind of multi-winding-core battery production method |
| CN113594562A (en) * | 2020-09-29 | 2021-11-02 | 欣旺达电动汽车电池有限公司 | Battery core, battery module, battery pack and electric automobile |
-
2014
- 2014-11-14 CN CN201420679969.1U patent/CN204179170U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558680A (en) * | 2015-09-24 | 2017-04-05 | 三星Sdi株式会社 | Electrode assemblie and the secondary cell including which |
| CN110364768A (en) * | 2019-06-11 | 2019-10-22 | 温州大学新材料与产业技术研究院 | A kind of multi-winding-core battery production method |
| CN110364768B (en) * | 2019-06-11 | 2021-05-21 | 温州大学新材料与产业技术研究院 | Method for manufacturing multi-winding-core battery |
| CN113594562A (en) * | 2020-09-29 | 2021-11-02 | 欣旺达电动汽车电池有限公司 | Battery core, battery module, battery pack and electric automobile |
| CN113594562B (en) * | 2020-09-29 | 2023-06-06 | 欣旺达电动汽车电池有限公司 | Battery cell, battery module, battery pack and electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20181114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |