CN204834763U - Big current discharge lithium ion power batteries - Google Patents
Big current discharge lithium ion power batteries Download PDFInfo
- Publication number
- CN204834763U CN204834763U CN201520375774.2U CN201520375774U CN204834763U CN 204834763 U CN204834763 U CN 204834763U CN 201520375774 U CN201520375774 U CN 201520375774U CN 204834763 U CN204834763 U CN 204834763U
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- China
- Prior art keywords
- battery
- positive plate
- current discharge
- pole group
- battery pole
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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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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model relates to a big current discharge lithium ion power batteries, extremely organize including the battery, the upper and lower both ends that the battery was extremely organized have the utmost point and organize the terminal surface, and laser welding had battery tab on the terminal surface was organized to the utmost point, and the battery is extremely organized and is placed in polymer encapsulating film, the battery is extremely organized including diaphragm, positive plate and negative pole piece, and wherein the positive plate is 70%: 15%: 15% anodal active matter: conductive carbon black by the weight ratio: the binder mixes to be made together, the negative pole piece adopts the weight ratio to be 85%: 6%: 9% negative pole active matter: conductive carbon black: the binder mixes to be made together, it is that the order that stacks according to diaphragm, negative pole piece, diaphragm, positive plate is convoluteed squarely or columniform and is extremely organized that the battery is extremely organized. The utility model discloses a lithium ion power batteries can further reduce the cost of traditional lithium cell, and the mass flow effect is better, can satisfy the operation requirement of the big current discharge operating mode of electric tool.
Description
Technical field
The utility model relates to cell art, more particularly, relates to a kind of heavy-current discharge lithium-ion-power cell.
Background technology
Lithium ion battery has the advantages such as specific capacity is large, operating voltage is high, charging rate is fast, operating temperature range is wide, have extended cycle life, volume is little compared with the battery of the other types such as plumbic acid, cadmium nickel.At present, be widely used in the fields such as mobile phone, notebook computer, electric tool, and its range of application is more and more extensive.
Along with the expansion of the lithium ion battery scope of application, traditionally the chemical power source being applied to dynamic power system is called electrokinetic cell, as being applied to the field such as electric tool, electric motor car, electrokinetic cell service condition is complicated, also requires that battery has higher volumetric properties and power-performance and excellent security performance simultaneously.The employing lead-acid battery that current traditional electrokinetic cell is more and ickel-cadmium cell, instructions for use when these two kinds of batteries can provide larger output current often to need high-power output with applicable electric tool and electric motor car.And lithium ion battery is because its manufacturing cost is high and security performance is low, is difficult to as electrokinetic cell always, therefore needs to make improvements, to improve ability and the security performance of its heavy-current discharge.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provides a kind of novel heavy-current discharge lithium-ion-power cell.
The utility model solves the technical scheme that its technical problem adopts:
Construct a kind of heavy-current discharge lithium-ion-power cell, comprise battery pole group, the two ends up and down of described battery pole group have pole group end face, and on the group end face of described pole, Laser Welding is connected to battery pole ear, and described battery pole group is placed in polymer encapsulated film; Described battery pole group comprises barrier film, positive plate and negative plate, and wherein said positive plate is the positive electrode active material of 70%: 15%: 15% by weight ratio: conductive carbon black: binding agent mixes to be made; Described negative plate adopts weight ratio to be the negative electrode active material of 85%: 6%: 9%: conductive carbon black: binding agent mixes to be made; Described battery pole group is coiled into square or columniform pole group by the sequential volume that stacks of barrier film, negative plate, barrier film, positive plate.
Heavy-current discharge lithium-ion-power cell described in the utility model, wherein, described battery pole group also comprises positive plate and reserves aluminium foil, and described positive plate is reserved aluminium foil and is connected with the lower edge of described positive plate.
Heavy-current discharge lithium-ion-power cell described in the utility model, wherein, described battery pole group also comprises negative plate and reserves aluminium foil, and described negative plate is reserved aluminium foil and is connected with the upper edge of described negative plate.
Heavy-current discharge lithium-ion-power cell of the present utility model can reduce the cost of traditional lithium battery further, and catchment effect is better, can meet the instructions for use of electric tool heavy-current discharge operating mode.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the heavy-current discharge lithium-ion power battery structure schematic diagram of the utility model preferred embodiment.
Embodiment
The heavy-current discharge lithium-ion power battery structure of the utility model preferred embodiment as shown in Figure 1, comprise battery pole group 10, the two ends up and down of battery pole group 10 have pole group end face 20, and on pole group end face 20, Laser Welding is connected to battery pole ear 30, and battery pole group 10 is placed in polymer encapsulated film; Battery pole group 10 comprises barrier film, positive plate and negative plate, and wherein positive plate is the positive electrode active material of 70%: 15%: 15% by weight ratio: conductive carbon black: binding agent mixes to be made; Negative plate adopts weight ratio to be the negative electrode active material of 85%: 6%: 9%: conductive carbon black: binding agent mixes to be made; Battery pole group is coiled into square or columniform pole group by the sequential volume that stacks of barrier film, negative plate, barrier film, positive plate.
Above-mentioned anode sizing agent is coated on the two sides of the thin body of cathode metal according to 24 ~ 34mg/cm ↑ ［ 2 ］ coating amount interval, every segment electrode area of plane 150 ~ 250cm ↑ ［ 2 ］, interval width 4 ~ 10mm; Described cathode size is coated on the two sides of the thin body of negative metal according to 11 ~ 16mg/cm ↑ ［ 2 ］ coating amount interval, every segment electrode area of plane 150 ~ 250cm ↑ ［ 2 ］, interval width 4 ~ 10mm; With scraper slurry scraped and paint two-side film membrane coating, roll with roller and be cut into thin electrodes after 80 ~ 110 μm, after the soldering polar ear of interval, be coiled into square or cylindrical pole group by the sequential volume that stacks of barrier film, negative plate, barrier film, positive plate.
Wherein, above-mentioned battery pole group 10 also comprises positive plate and reserves aluminium foil, and positive plate is reserved aluminium foil and is connected with the lower edge of positive plate.Battery pole group 10 also comprises negative plate and reserves aluminium foil, and negative plate is reserved aluminium foil and is connected with the upper edge of negative plate.
Heavy-current discharge lithium-ion-power cell of the present utility model can reduce the cost of traditional lithium battery further, and catchment effect is better, can meet the instructions for use of electric tool heavy-current discharge operating mode.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to the utility model claims.
Claims (3)
1. a heavy-current discharge lithium-ion-power cell, comprises battery pole group, and the two ends up and down of described battery pole group have pole group end face, and on the group end face of described pole, Laser Welding is connected to battery pole ear, and described battery pole group is placed in polymer encapsulated film; It is characterized in that, described battery pole group comprises barrier film, positive plate and negative plate; Described battery pole group is coiled into square or columniform pole group by the sequential volume that stacks of barrier film, negative plate, barrier film, positive plate.
2. heavy-current discharge lithium-ion-power cell according to claim 1, is characterized in that, described battery pole group also comprises positive plate and reserves aluminium foil, and described positive plate is reserved aluminium foil and is connected with the lower edge of described positive plate.
3. heavy-current discharge lithium-ion-power cell according to claim 2, is characterized in that, described battery pole group also comprises negative plate and reserves aluminium foil, and described negative plate is reserved aluminium foil and is connected with the upper edge of described negative plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520375774.2U CN204834763U (en) | 2015-06-03 | 2015-06-03 | Big current discharge lithium ion power batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520375774.2U CN204834763U (en) | 2015-06-03 | 2015-06-03 | Big current discharge lithium ion power batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204834763U true CN204834763U (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520375774.2U Expired - Fee Related CN204834763U (en) | 2015-06-03 | 2015-06-03 | Big current discharge lithium ion power batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204834763U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532821A (en) * | 2016-11-14 | 2017-03-22 | 浙江超越动力科技股份有限公司 | Mobile power supply and equipment |
-
2015
- 2015-06-03 CN CN201520375774.2U patent/CN204834763U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532821A (en) * | 2016-11-14 | 2017-03-22 | 浙江超越动力科技股份有限公司 | Mobile power supply and equipment |
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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: 313000 Changxin Economic Development Zone, Huzhou City, Zhejiang Province, South industrial function zone (Wu Shanxiang) () Patentee after: CHANGXING CHAOYUE POWER SCIENCE AND TECHNOLOGY LIMITED COMPANY Address before: 313000 Changxin Economic Development Zone, Huzhou City, Zhejiang Province, South industrial function zone (Wu Shanxiang) () Patentee before: CHANGXING CHAOYUE POWER SCIENCE AND TECHNOLOGY LIMITED COMPANY |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161227 Address after: 313100 Zhejiang city of Huzhou province Changxing County Wu Shan Heng Jian Cun Changxin Economic Development Zone South Industrial Zone Patentee after: Changxin Zhejiang Yongcheng power supply Co., Ltd. Address before: 313000 Changxin Economic Development Zone, Huzhou City, Zhejiang Province, South industrial function zone (Wu Shanxiang) () Patentee before: CHANGXING CHAOYUE POWER SCIENCE AND TECHNOLOGY LIMITED COMPANY |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20190603 |