CN201820851U - Three pole ear electrical core of polymer low-temperature lithium-ion battery - Google Patents
Three pole ear electrical core of polymer low-temperature lithium-ion battery Download PDFInfo
- Publication number
- CN201820851U CN201820851U CN2010205806280U CN201020580628U CN201820851U CN 201820851 U CN201820851 U CN 201820851U CN 2010205806280 U CN2010205806280 U CN 2010205806280U CN 201020580628 U CN201020580628 U CN 201020580628U CN 201820851 U CN201820851 U CN 201820851U
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- Prior art keywords
- lug
- positive plate
- negative plate
- polymer low
- electrical core
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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
Abstract
The utility model provides a three pole ear electrical core of a polymer low-temperature lithium-ion battery. The electrical core is formed by a positive pole piece and a negative pole piece which rotate round a rotary core after being separated by a diaphragm; a plurality of pole ears are respectively welded on the positive and the negative pole pieces; and high temperature adhesive tape for preventing the pole ears from piecing the diaphragm is stuck to welding positions of the pole ears and the positive and the negative pole pieces. The electrical core can effectively improve the discharge performance of the battery in a high temperature environment, reduce the internal resistance of the battery, and achieve the effect of high rate discharge.
Description
Technical field
The utility model relates to the polymer Li-ion battery field, especially a kind of three lug polymer low-temperature lithium ion batteries electricity core.
Background technology
In recent years, lithium ion battery because operating voltage height, energy density are big, memory-less effect, have extended cycle life, advantage such as pollution-free, be applied to more and more widely progressively replace the major product that traditional rechargeable battery becomes field of batteries in consumption, power, energy storage and the special cells.Expansion along with market, refrigerant latitudes is also increasing to the demand of lithium ion battery, and all there is very big demand in, frigid zone first aid civilian as warm-proof shoes clothes, frigid zone communication apparatus power supply, frigid zone scientific investigation instrument power source, the frigid zone markets such as stand-by power supply and frigid zone electric motor car power supply of speedily carrying out rescue work.Under cold belt environment, require battery-40 ℃～-50 ℃ still can operate as normal, but under low temperature environment, conventional lithium ion battery has the defective that is difficult to go beyond.Be mainly reflected in:
1) low temperature performance is poor, and conventional discharge temp scope is-20 ℃～+ 55 ℃, can't discharge when being lower than-20 ℃ or discharge time short;
2) discharge-rate is little, the required big electric current in the time of can't satisfying the equipment low-temperature working;
3) internal resistance of cell is big.
The utility model content
The utility model overcomes the deficiencies in the prior art, provides a kind of and can effectively improve the discharge performance of battery under low temperature environment, reduces the internal resistance of cell, reaches the three lug polymer low-temperature lithium ion batteries electricity core of high-multiplying power discharge effect.
The purpose of this utility model is achieved by following technical proposals:
A kind of three lug polymer low-temperature lithium ion batteries electricity core, constitute with the barrier film back wall core rotation that rotates of being separated by by positive plate and negative plate, be welded with a plurality of lugs respectively on described positive plate and the described negative plate, be pasted with on described lug and described positive plate and the described negative plate welding position and prevent that described lug from puncturing the high temperature adhesive plaster of described barrier film.
In the utility model, equidistantly be welded with three lugs on the described positive plate, equidistantly be welded with three lugs on the described negative plate.
In the utility model, the lug bared end of described negative plate changes copper nickel plating tape welding with aluminium and connects, and described positive plate lug bared end connects with copper nickel plating tape welding.
Owing to adopt said structure, by three extreme ear structures, obviously improve low temperature performance, realize-50 ℃ still can operate as normal because do not change former chemical composition, so do not influence its normal temperature and high-temperature behavior.The utility model can effectively improve the discharge performance of battery under low temperature environment in sum, reduces the internal resistance of cell, reaches the effect of high-multiplying power discharge.
Description of drawings
The structural representation of Fig. 1 the utility model positive plate.
The structural representation of Fig. 2 the utility model negative plate.
Fig. 3 structural representation of the present utility model.
In the accompanying drawing 1,2,3, the 1---positive plate, the 2---negative plate, the 3---lug, 4---high temperature adhesive plaster, 5---copper nickel plating band, 6---aluminium change copper nickel plating band.
Embodiment
Below in conjunction with accompanying drawing, describe the embodiment of three lug polymer low-temperature lithium ion batteries electricity core in detail.
A kind of three lug polymer low-temperature lithium ion batteries electricity core, constitute with the barrier film back wall core rotation that rotates of being separated by by positive plate 1 and negative plate 2, be welded with a plurality of lugs 3 on described positive plate 1 and the described negative plate 2 respectively, be pasted with on described lug 3 and described positive plate 1 and described negative plate 2 welding positions and prevent that described lug 3 from puncturing the high temperature adhesive plaster 4 of described barrier film.
In the utility model, equidistantly be welded with three lugs 3 on the described positive plate 1, equidistantly be welded with three lugs 3 on the described negative plate 2.
In the utility model, lug 3 bared ends of described negative plate 2 change 6 welding of copper nickel plating band with aluminium, and lug 3 bared ends of described positive plate 1 weld with copper nickel plating band 5.
Implementation step:
1) anode sizing agent is coated at interval makes positive plate 1 on the collector as shown in Figure 1, as shown in Figure 2 cathode size is coated at interval negative plate 2 on the collector, guarantee to design applying area and actual applying area tolerance and be ± 0.3mm;
2) 3 aluminium pole ears 3 of equidistant respectively welding on positive plate 1 and negative plate 2, and on aluminium pole ears 3, stick high temperature gummed tape;
3) positive plate 1 and negative plate 2 are wound into electric core with barrier film the rotate core rotation of back wall of being separated by, and see Fig. 3, and back three the anode ear spacings that require to reel are 0～1mm, and three negative electrode lug spacings are also at 0～1mm.And carry out subsequent handlings such as compacting, assembling.
4) anodal 3 the lug bared ends of packaged electric core are welded with a copper nickel plating band 5,3 lug bared ends of negative pole change 6 welding of copper nickel plating band with aluminium.
Lug of the present utility model adopts the good lug glue of intersolubility to solve the multipole credulous problem of sealing the dress difficulty.
After the test, compare with common monopole ear structure, low temperature performance is significantly increased, and specifically sees Table 1
Table 1 three extreme ear structures and monopole ear structure battery low temperature performance contrast table;
But the discharge performance of the utility model Effective Raise battery under low temperature environment reduces the internal resistance of cell in sum, reaches the effect of high-multiplying power discharge.
Claims (3)
1. lug polymer low-temperature lithium ion battery electricity core, constitute with the barrier film back wall core rotation that rotates of being separated by by positive plate (1) and negative plate (2), it is characterized in that: be welded with a plurality of lugs (3) respectively on described positive plate (1) and the described negative plate (2), be pasted with on described lug (3) and described positive plate (1) and described negative plate (2) welding position and prevent that described lug (3) from puncturing the high temperature adhesive plaster (4) of described barrier film.
2. three lug polymer low-temperature lithium ion batteries electricity core according to claim 1 is characterized in that: equidistantly be welded with three lugs (3) on the described positive plate (1), equidistantly be welded with three lugs (3) on the described negative plate (2).
3. three lug polymer low-temperature lithium ion batteries electricity core according to claim 1 and 2, it is characterized in that: lug (3) bared end of described negative plate (2) changes copper nickel plating band (6) welding with aluminium, and lug (3) bared end of described positive plate (1) welds with copper nickel plating band (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205806280U CN201820851U (en) | 2010-10-27 | 2010-10-27 | Three pole ear electrical core of polymer low-temperature lithium-ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205806280U CN201820851U (en) | 2010-10-27 | 2010-10-27 | Three pole ear electrical core of polymer low-temperature lithium-ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201820851U true CN201820851U (en) | 2011-05-04 |
Family
ID=43918794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205806280U Expired - Fee Related CN201820851U (en) | 2010-10-27 | 2010-10-27 | Three pole ear electrical core of polymer low-temperature lithium-ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201820851U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315412A (en) * | 2011-10-24 | 2012-01-11 | 力神迈尔斯动力电池系统有限公司 | Lithium ion power battery pole group |
| CN102623746A (en) * | 2012-03-26 | 2012-08-01 | 宁德新能源科技有限公司 | Flexibly-packaged lithium ion battery |
| CN106299465A (en) * | 2016-11-07 | 2017-01-04 | 珠海格力电器股份有限公司 | A kind of soft-package battery |
| CN113611818A (en) * | 2021-07-09 | 2021-11-05 | 深圳市浩然电池有限公司 | Lithium ion battery pole piece structure |
-
2010
- 2010-10-27 CN CN2010205806280U patent/CN201820851U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315412A (en) * | 2011-10-24 | 2012-01-11 | 力神迈尔斯动力电池系统有限公司 | Lithium ion power battery pole group |
| CN102623746A (en) * | 2012-03-26 | 2012-08-01 | 宁德新能源科技有限公司 | Flexibly-packaged lithium ion battery |
| CN106299465A (en) * | 2016-11-07 | 2017-01-04 | 珠海格力电器股份有限公司 | A kind of soft-package battery |
| CN106299465B (en) * | 2016-11-07 | 2019-02-19 | 珠海格力电器股份有限公司 | A kind of soft-package battery |
| CN113611818A (en) * | 2021-07-09 | 2021-11-05 | 深圳市浩然电池有限公司 | Lithium ion battery pole piece structure |
| CN113611818B (en) * | 2021-07-09 | 2022-06-03 | 深圳市浩然电池有限公司 | Lithium ion battery pole piece structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20131027 |