CN201766131U - Lithium-ion power battery cell - Google Patents
Lithium-ion power battery cell Download PDFInfo
- Publication number
- CN201766131U CN201766131U CN2010205012040U CN201020501204U CN201766131U CN 201766131 U CN201766131 U CN 201766131U CN 2010205012040 U CN2010205012040 U CN 2010205012040U CN 201020501204 U CN201020501204 U CN 201020501204U CN 201766131 U CN201766131 U CN 201766131U
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- CN
- China
- Prior art keywords
- thickness
- metal forming
- plate
- negative
- 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 - Lifetime
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 230000005611 electricity Effects 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 4
- 210000005069 ears Anatomy 0.000 claims description 3
- 239000011888 foil Substances 0.000 abstract description 9
- 239000010406 cathode material Substances 0.000 abstract 2
- 238000010030 laminating Methods 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000011889 copper foil Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
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
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- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model relates to a lithium-ion power battery cell, which consists of at least one single cell. The single cell is formed by laminating and arranging a plurality of positive plates and a plurality of negative plates at intervals, a diaphragm for dividing is arranged between each positive plate and each negative plate which are adjacent to each other, the positive plates with single sides coated with cathode materials are arranged on the outmost layer of each cell, other sides of the positive plates, which are not coated with cathode materials, are arranged outwards, the thickness of metal foil current collectors of the positive plates on the outmost layers ranges from 50 mum to 100 mum, the thickness of metal foil current collectors of the positive plates on the inner layer ranges from 25 mum to 40 mum, and the thickness of metal foil current collector of the negative plates ranges from 18 mum to 30 mum. The lithium-ion power battery cell is fine in conductivity; and the outmost surface of the cell can keep flat after the battery cell is charged and discharge frequently, so that the lithium-ion power battery cell has strong heat conductivity.
Description
Technical field
The utility model relates to a kind of electric core of lithium ion power battery, belongs to technical field of lithium ion.
Background technology
The positive plate of lithium ion battery cell and negative plate constitute by metal forming collector and the coating that contains active material that is coated in its surface, the metal forming collector that existing lithium ion battery cell adopts is generally thinner, the thickness of the metal forming collector of general positive plate is less than 20um, the thickness of the metal forming collector of negative plate is less than 10um, a little less than the metal forming collector approaches and caused electric core conductive; In addition, the outermost layer of existing lithium ion battery cell is the negative plate of dual coating, and battery is through after repeatedly discharging and recharging, and the outermost surface out-of-flatness not only influences attractive in appearancely, also causes the thermal conductivity variation.
The utility model content
The purpose of this utility model is to overcome the defective that prior art exists, and a kind of electric core of lithium ion power battery that conducts electricity very well is provided, and it is after repeatedly discharging and recharging, and its outermost surface is smooth, and heat conductivility is strong.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of electric core of lithium ion power battery, it is made up of at least one monomer electricity core, described monomer electricity core is formed by some positive plate and some negative plate interval stacked arrangement that have negative lug that have positive pole ear, be provided with the barrier film of separating both between described adjacent positive plate and the negative plate, described all positive pole ears weld together, all negative lug weld together, described positive plate is by the metal forming collector and be coated in its surperficial positive electrode and constitute, described negative plate is by the metal forming collector and be coated in its surperficial negative material and constitute, the outermost layer of described electric core is the positive plate that single face is coated with coated positive pole material, and it is uncoated towards outer setting, the thickness of the metal forming collector of described outermost layer positive plate greater than internal layer just, the thickness of negative plate metal forming collector, the thickness of the metal forming collector of described outermost layer positive plate is 50～100um, the thickness of the metal forming collector of described internal layer positive plate is 25～40um, and the thickness of the metal forming collector of described negative plate is 18～30um.
Further, the thickness of the metal forming collector of described outermost layer positive plate is 60um; The thickness of the metal forming collector of described internal layer positive plate is 25um; The thickness of the metal forming collector of described negative plate is 18um.
The beneficial effects of the utility model: the utility model has solved the defective that exists in the background technology, adopts thicker metal forming collector, has strengthened the conductivity of electric core; The outermost layer of electricity core is the thicker positive plate that single face applies, and uncoated towards outside, adopt this structure, after the electricity core is gone into the shell packing, flat appearance is attractive in appearance, and especially effect is obvious especially when shell is aluminum-plastic composite membrane, has improved the heat dispersion of electric core in addition greatly.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the structural representation of the preferred embodiment of electric core of lithium ion power battery.
Wherein: 1, monomer electricity core; 2, positive plate; 21, positive pole ear; 3, negative plate; 31, negative lug; 4, barrier film.
Embodiment
A kind of electric core of lithium ion power battery as shown in Figure 1, it is made up of at least one monomer electricity core 1, monomer electricity core 1 is formed by some positive plate 2 and some negative plate 3 interval stacked arrangement that have negative lug 31 that have positive pole ear 21, is provided with the barrier film 4 of separating both between adjacent positive plate 2 and the negative plate 3.Positive and negative lug 21,31 homonymy or heteropleurals, all positive pole ears 21 weld together, and all negative lug 31 weld together.Positive plate 2 is by aluminum foil current collector and be coated in its surperficial positive electrode and constitute, and negative plate 3 is by the Copper Foil collector and be coated in its surperficial negative material and constitute.The outermost layer of described electric core is the positive plate 2 that single face is coated with coated positive pole material, and it is uncoated towards outer setting, the thickness of the aluminum foil current collector of this outermost layer positive plate 2 is greater than the aluminium foil of the positive and negative plate 2,3 of internal layer, the thickness of Copper Foil collector, the thickness of the aluminum foil current collector of described outermost layer positive plate 2 is 50～100um, the thickness of the aluminum foil current collector of internal layer positive plate 2 is 25～40um, and the thickness of the Copper Foil collector of described negative plate 3 is 18～30um.
Preferred implementation: the thickness of the aluminum foil current collector of described outermost layer positive plate 2 is 60um; The thickness of the aluminum foil current collector of described internal layer positive plate 2 is 25um; The thickness of the Copper Foil collector of described negative plate 3 is 18um.
Claims (2)
1. electric core of lithium ion power battery, it is made up of at least one monomer electricity core (1), described monomer electricity core (1) is formed by some positive plate (2) and some negative plate (3) interval stacked arrangement that have negative lug (31) that have positive pole ear (21), be provided with the barrier film (4) of separating both between described adjacent positive plate (2) and the negative plate (3), described all positive pole ears (21) weld together, all negative lug (31) weld together, described positive plate (2) is by the metal forming collector and be coated in its surperficial positive electrode and constitute, described negative plate (3) is by the metal forming collector and be coated in its surperficial negative material and constitute, it is characterized in that: the outermost layer of described electric core is the positive plate (2) that single face is coated with coated positive pole material, and it is uncoated towards outer setting, the thickness of the metal forming collector of described outermost layer positive plate (2) greater than internal layer just, negative plate (2,3) thickness of metal forming collector, the thickness of the metal forming collector of described outermost layer positive plate (2) is 50～100um, the thickness of the metal forming collector of described internal layer positive plate (2) is 25～40um, and the thickness of the metal forming collector of described negative plate (3) is 18～30um.
2. electric core of lithium ion power battery as claimed in claim 1, it is characterized in that: the thickness of the metal forming collector of described outermost layer positive plate (2) is 60um, the thickness of the metal forming collector of described internal layer positive plate (2) is 25um, and the thickness of the metal forming collector of described negative plate (3) is 18um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205012040U CN201766131U (en) | 2010-08-23 | 2010-08-23 | Lithium-ion power battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205012040U CN201766131U (en) | 2010-08-23 | 2010-08-23 | Lithium-ion power battery cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201766131U true CN201766131U (en) | 2011-03-16 |
Family
ID=43718740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205012040U Expired - Lifetime CN201766131U (en) | 2010-08-23 | 2010-08-23 | Lithium-ion power battery cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201766131U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427091A (en) * | 2012-05-21 | 2013-12-04 | 联想(北京)有限公司 | Pole core, lithium ion battery, manufacturing method for the pole core and manufacturing method for the lithium ion battery |
| CN104600368A (en) * | 2014-12-29 | 2015-05-06 | 山东神工海特电子科技有限公司 | Ternary soft-package battery and preparation method thereof |
| WO2018023219A1 (en) * | 2016-07-30 | 2018-02-08 | 肖丽芳 | Preparation method for pouch battery |
| CN107978820A (en) * | 2017-11-21 | 2018-05-01 | 中山市电赢科技有限公司 | A kind of method for improving soft bag lithium ionic cell heat dissipation |
| CN109860901A (en) * | 2017-06-28 | 2019-06-07 | 湖南妙盛汽车电源有限公司 | A kind of lithium-ion-power cell |
| CN112259776A (en) * | 2019-07-02 | 2021-01-22 | 邱瑞光 | Electricity storage unit, electricity storage module, and battery |
| WO2024104297A1 (en) * | 2022-11-16 | 2024-05-23 | 宁德新能源科技有限公司 | Battery cell, secondary battery and electric device |
-
2010
- 2010-08-23 CN CN2010205012040U patent/CN201766131U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427091A (en) * | 2012-05-21 | 2013-12-04 | 联想(北京)有限公司 | Pole core, lithium ion battery, manufacturing method for the pole core and manufacturing method for the lithium ion battery |
| CN104600368A (en) * | 2014-12-29 | 2015-05-06 | 山东神工海特电子科技有限公司 | Ternary soft-package battery and preparation method thereof |
| WO2018023219A1 (en) * | 2016-07-30 | 2018-02-08 | 肖丽芳 | Preparation method for pouch battery |
| CN109860901A (en) * | 2017-06-28 | 2019-06-07 | 湖南妙盛汽车电源有限公司 | A kind of lithium-ion-power cell |
| CN107978820A (en) * | 2017-11-21 | 2018-05-01 | 中山市电赢科技有限公司 | A kind of method for improving soft bag lithium ionic cell heat dissipation |
| CN112259776A (en) * | 2019-07-02 | 2021-01-22 | 邱瑞光 | Electricity storage unit, electricity storage module, and battery |
| CN112259776B (en) * | 2019-07-02 | 2022-02-22 | 邱瑞光 | Electricity storage unit, electricity storage module, and battery |
| WO2024104297A1 (en) * | 2022-11-16 | 2024-05-23 | 宁德新能源科技有限公司 | Battery cell, secondary battery and electric device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160719 Address after: 213000 Changzhou, Wujin, No. 86 West Avenue Road, Jiangsu Industrial Park Patentee after: Jiangsu E Motors Co., Ltd. Address before: 213000 Changzhou, Wujin, No. 86 West Avenue Road, Jiangsu Industrial Park Patentee before: Chen Henglong |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161031 Address after: 213000 Jiangsu province Changzhou City Tianning District bamboo village 177 C unit Room 201 Patentee after: Chen Henglong Address before: 213000 Changzhou, Wujin, No. 86 West Avenue Road, Jiangsu Industrial Park Patentee before: Jiangsu E Motors Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170118 Address after: 213000 Changzhou, Wujin, No. 86 West Avenue Road, Jiangsu Industrial Park Patentee after: Changzhou Hengmao Power Technology Co. Ltd. Address before: 213000 Jiangsu province Changzhou City Tianning District bamboo village 177 C unit Room 201 Patentee before: Chen Henglong |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20190109 Address after: 241000 No. 3 Building, Phase II, Science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee after: Anhui Weigelu New Energy Technology Co., Ltd. Address before: 213000 Wujian Industrial Park, 86 Wujin Avenue West Road, Changzhou City, Jiangsu Province Patentee before: Changzhou Hengmao Power Technology Co. Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190312 Address after: 213000 Wujian Industrial Park, 86 Wujin Avenue West Road, Changzhou City, Jiangsu Province Patentee after: Changzhou Hengmao Power Technology Co. Ltd. Address before: 241000 No. 3 Building, Phase II, Science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Anhui Weigelu New Energy Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110316 |
|
| CX01 | Expiry of patent term |