CN201904399U - Tab-electrode piece structure for improving electrical property of battery - Google Patents
Tab-electrode piece structure for improving electrical property of battery Download PDFInfo
- Publication number
- CN201904399U CN201904399U CN2010206662830U CN201020666283U CN201904399U CN 201904399 U CN201904399 U CN 201904399U CN 2010206662830 U CN2010206662830 U CN 2010206662830U CN 201020666283 U CN201020666283 U CN 201020666283U CN 201904399 U CN201904399 U CN 201904399U
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- China
- Prior art keywords
- battery
- tab
- piece structure
- pole piece
- electrode piece
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- Expired - Fee Related
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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
Abstract
The utility model provides a tab-electrode piece structure for improving electrical properties of a battery, which comprises a tab and an electrode piece, wherein the electrode piece consists of an aluminum foil and electrode powder layers coated on two side surfaces of the aluminum foil, a bare foil is arranged in the middle region of the aluminum foil and not coated by the electrode powder layer, and the tab is welded at the bare foil. By optimizing the design of the tab and the electrode piece of the battery and changing the welding position of a conventional tab, the tab-electrode piece structure for improving the electrical properties of the battery effectively reduces the internal resistance of the battery, improves the recycling property and the overall electrical properties (such as high-rate charging/discharging property) of the battery, greatly prolongs the service life of the battery, is easy and convenient to operate, and is suitable for the needs of large-scale industrial production.
Description
Technical field
The utility model relates to battery and makes the field, especially a kind of lug pole piece structure that is used to improve battery electrical property.
Background technology
Step into 21 century, electronic products such as mobile phone, notebook, Mp3, Mp4, Ipad continue to bring out, function also from strength to strength, along with electronic product is more and more universal, people are more and more higher to the requirement of electronic product, as require to prolong life-span of the employed battery of electronic product, promptly require to improve the life-span that recycles of battery, still have problems such as battery weak point in useful life at present, the useful life of therefore being badly in need of improving battery, prolong the service time of electronic product, improve consumer's satisfaction.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of lug pole piece structure that is used to improve battery electrical property.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of lug pole piece structure that is used to improve battery electrical property, form by lug and pole piece, described pole piece is made up of aluminium foil and the utmost point bisque that is coated on the aluminium foil both side surface, and the aluminium foil zone line is not blank paper tinsel by coating place of utmost point bisque, and lug is welded in this blank paper tinsel place.
Preferably, the above-mentioned lug pole piece structure that is used to improve battery electrical property, described blank paper tinsel is positioned at aluminium foil 1/2-3/4 length place.
Preferably, the above-mentioned lug pole piece structure that is used to improve battery electrical property, described blank paper tinsel is positioned at aluminium foil 1/2 length place.
The above-mentioned lug pole piece structure that is used to improve battery electrical property can be applied to primary cell, also can be used for secondary cell.
The above-mentioned lug pole piece structure that is used to improve battery electrical property can be applied to lithium ion circular batteries, lithium ion rectangular cell, lithium ion flexible package battery or lithium ion polymer battery.
The above-mentioned lug pole piece structure that is used to improve battery electrical property both can apply to positive plate or negative plate separately, also can apply to positive/negative plate simultaneously.
The above-mentioned lug pole piece structure that is used to improve battery electrical property both had been suitable for manual coiling, also had been suitable for semi-automatic coiling or full automatic winding.
The beneficial effects of the utility model are:
The above-mentioned lug pole piece structure that is used to improve battery electrical property; by optimizing the method for designing of battery pole ear pole piece; change the welding position of traditional lug; effectively reduce the internal resistance of cell; can improve comprehensive electrochemical properties such as the cycle performance of battery and high rate charge-discharge performance; improve the useful life of battery greatly, simple to operation, be fit to requirements of large-scale industrial production.
Description of drawings
Fig. 1 is that embodiment 1 provides a kind of structural representation that is used to improve the lug pole piece structure of battery electrical property;
Fig. 2 is that embodiment 2 provides a kind of structural representation that is used to improve the lug pole piece structure of battery electrical property.
Among the figure: the blank paper tinsel 3-of 1-utmost point bisque 2-lug
Embodiment
Now cooperate Fig. 1, Fig. 2 and specific embodiment that technical scheme described in the utility model is further described.
As shown in Figure 1, a kind of lug pole piece structure that is used to improve battery electrical property, form by lug 3 and pole piece, described pole piece is made up of aluminium foil and the utmost point bisque 1 that is coated on the aluminium foil both side surface, the aluminium foil zone line is not blank paper tinsel 2 by coating place of utmost point bisque, blank paper tinsel 2 is positioned at aluminium foil 1/2 length place, and lug 3 is welded in this blank paper tinsel 2 places.
As shown in Figure 2, a kind of lug pole piece structure that is used to improve battery electrical property, form by lug 3 and pole piece, described pole piece is made up of aluminium foil and the utmost point bisque 1 that is coated on the aluminium foil both side surface, the aluminium foil zone line is not blank paper tinsel 2 by coating place of utmost point bisque, blank paper tinsel 2 is positioned at aluminium foil 3/4 length place, and lug 3 is welded in this blank paper tinsel 2 places.
Above-mentioned detailed description of this a kind of lug pole piece structure that is used to improve battery electrical property being carried out with reference to embodiment; be illustrative rather than determinate; can list several embodiment according to institute's limited range; therefore in the variation and the modification that do not break away under the utility model general plotting, should belong within the protection range of the present utility model.
Claims (3)
1. lug pole piece structure that is used to improve battery electrical property, form by lug and pole piece, it is characterized in that: described pole piece is made up of aluminium foil and the utmost point bisque that is coated on the aluminium foil both side surface, and the aluminium foil zone line is not blank paper tinsel by coating place of utmost point bisque, and lug is welded in this blank paper tinsel place.
2. the lug pole piece structure that is used to improve battery electrical property according to claim 1, it is characterized in that: described blank paper tinsel is positioned at aluminium foil 1/2-3/4 length place.
3. the lug pole piece structure that is used to improve battery electrical property according to claim 1 and 2, it is characterized in that: described blank paper tinsel is positioned at aluminium foil 1/2 length place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206662830U CN201904399U (en) | 2010-12-17 | 2010-12-17 | Tab-electrode piece structure for improving electrical property of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206662830U CN201904399U (en) | 2010-12-17 | 2010-12-17 | Tab-electrode piece structure for improving electrical property of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201904399U true CN201904399U (en) | 2011-07-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206662830U Expired - Fee Related CN201904399U (en) | 2010-12-17 | 2010-12-17 | Tab-electrode piece structure for improving electrical property of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201904399U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764662A (en) * | 2015-04-15 | 2015-07-08 | 东莞市创明电池技术有限公司 | Method for verifying performance of aluminum foils used in lithium-ion battery |
| CN106025340A (en) * | 2016-06-24 | 2016-10-12 | 中天储能科技有限公司 | Lithium-ion battery |
| CN106654388A (en) * | 2016-12-22 | 2017-05-10 | 惠州亿纬锂能股份有限公司 | Preparation method of soft package cylindrical battery and soft package cylindrical battery |
| CN111403673A (en) * | 2020-03-30 | 2020-07-10 | 无锡先导智能装备股份有限公司 | Tab forming method and tab forming device |
| CN112117424A (en) * | 2019-06-21 | 2020-12-22 | 比亚迪股份有限公司 | Single battery, power battery pack and vehicle |
-
2010
- 2010-12-17 CN CN2010206662830U patent/CN201904399U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764662A (en) * | 2015-04-15 | 2015-07-08 | 东莞市创明电池技术有限公司 | Method for verifying performance of aluminum foils used in lithium-ion battery |
| CN104764662B (en) * | 2015-04-15 | 2018-03-13 | 东莞市创明电池技术有限公司 | A kind of method verified lithium ion battery and use aluminium foil performance |
| CN106025340A (en) * | 2016-06-24 | 2016-10-12 | 中天储能科技有限公司 | Lithium-ion battery |
| CN106654388A (en) * | 2016-12-22 | 2017-05-10 | 惠州亿纬锂能股份有限公司 | Preparation method of soft package cylindrical battery and soft package cylindrical battery |
| CN112117424A (en) * | 2019-06-21 | 2020-12-22 | 比亚迪股份有限公司 | Single battery, power battery pack and vehicle |
| CN112117424B (en) * | 2019-06-21 | 2022-02-08 | 比亚迪股份有限公司 | Single battery, power battery pack and vehicle |
| CN111403673A (en) * | 2020-03-30 | 2020-07-10 | 无锡先导智能装备股份有限公司 | Tab forming method and tab forming device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180409 Address after: 215000 Jiangsu science and technology zone, Suzhou high tech Zone, Kunlun Mountain Road 88 Patentee after: Power battery (Suzhou) Co., Ltd. Address before: Off the coast of Binhai hi tech Industrial Development Zone, Tianjin city Xiqing District 300384 Ring Road No. 38, Thailand Patentee before: Lishen Battery Co., Ltd., Tianjin |
|
| 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: 20110720 Termination date: 20191217 |