CN202217727U - Power lithium ion battery with direct-sticking type electrode ears - Google Patents
Power lithium ion battery with direct-sticking type electrode ears Download PDFInfo
- Publication number
- CN202217727U CN202217727U CN201120332329XU CN201120332329U CN202217727U CN 202217727 U CN202217727 U CN 202217727U CN 201120332329X U CN201120332329X U CN 201120332329XU CN 201120332329 U CN201120332329 U CN 201120332329U CN 202217727 U CN202217727 U CN 202217727U
- Authority
- CN
- China
- Prior art keywords
- negative
- positive electrode
- negative electrode
- pole piece
- ear
- 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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- 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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a power lithium ion battery with direct-sticking type electrode ears, comprising a housing, a positive electrode ear, a negative electrode ear, a positive electrode piece and a negative electrode piece, wherein the positive electrode piece and the negative electrode piece are stacked with each other and are arranged in the housing; a diaphragm for reliably insulating the positive electrode piece from the negative electrode piece is arranged between the positive electrode piece and the negative electrode piece; one side of the positive electrode piece is provided with a positive electrode white edge which outwards extends, and one side of the negative electrode piece is provided with a negative electrode white edge which outwards extends; the positive electrode ear is connected with the positive electrode piece; the negative electrode ear is connected with the negative electrode piece; the positive electrode ear is provided with a lug boss which is in press fit with the positive electrode white edge; and the negative electrode ear is provided with a lug boss which is in press fit with the negative electrode white edge, so that the contact reliability between the positive electrode ear and the negative electrode ear is enhanced, the reliable electric connection is existed between the electrode pieces and the electrode ears, the quality of the battery is improved, and the service life of the battery is prolonged.
Description
Technical field
The utility model belongs to technical field of electronic components, relates to a kind of power lithium-ion battery with straight subsides formula lug.
Background technology
At present, dynamic lithium battery has obtained promotion and application owing to have advantages such as energy density height, voltage is high, operating temperature range is wide, and the life-span is long in motor vehicle.Being connected between battery pole ear and the pole piece directly influences the contact area of lug conduction, influences the charge-discharge performance of battery.Along with the user constantly increases the requirement of battery capacity; The development high-capacity dynamical lithium-ion battery; When enhancing productivity, strengthen the battery pole ear conductive contact surfaces, make lug and electrode have reliable the electrical connection; Promoting the battery charging and discharging performance, is an important topic further promoting the power lithium-ion battery range of application.
The utility model content
The utility model technical problem to be solved provides and a kind ofly can strengthen the battery pole ear conductive contact surfaces; Make lug and electrode have reliable the electrical connection; Promote the battery charging and discharging performance, enlarge the power lithium-ion battery with straight subsides formula lug of battery applications scope.
The technical solution of utility model is following:
A kind of power lithium-ion battery with straight subsides formula lug comprises housing, positive pole ear, negative lug and mutual range upon range of positive electrode pole piece that is positioned at housing and negative electrode pole piece; Be provided with the barrier film that is used to make positive electrode pole piece and the reliable insulation of negative electrode pole piece between said positive electrode pole piece and the negative electrode pole piece;
One side of said positive electrode pole piece is provided with outward extending anodal white edge, and a side of said negative electrode pole piece is provided with outward extending negative pole white edge;
Positive pole ear is connected with the positive electrode pole piece; Negative lug is connected with the negative electrode pole piece;
Positive pole ear is provided with the convexity that is used for anodal white edge pressing, and the convexity on the positive pole ear embeds in the anodal white edge; Negative lug is provided with the convexity that is used for the pressing of negative pole white edge, and the convexity on the negative lug embeds in the negative pole white edge.
Said convexity is rhombus, circle, ellipse, square or triangle, is the matrix-style arrangement or is cellular mode to arrange.
Beneficial effect:
The utlity model has the power lithium-ion battery of straight subsides formula lug, can strengthen the battery pole ear conductive contact surfaces, make lug and electrode have reliable the electrical connection, promote the battery charging and discharging performance, enlarge the battery applications scope.
Description of drawings
Fig. 1 is the power lithium-ion battery sketch map that the utlity model has straight subsides formula lug.
1 is housing among the figure, and 2 is positive pole ear, and 21 is that positive pole ear is protruding, and 3 is positive electrode, and 31 is anodal white edge, and 4 is negative electrode, and 41 is the negative pole white edge, and 5 is barrier film, and 6 is negative lug, and 61 is that negative lug is protruding.
Embodiment
Below will combine accompanying drawing and specific embodiment that the utility model is explained further details:
As shown in Figure 1, a kind of power lithium-ion battery with straight subsides formula lug comprises housing, positive pole ear, negative lug and mutual range upon range of positive electrode pole piece that is positioned at housing and negative electrode pole piece; Be provided with the barrier film that is used to make positive electrode pole piece and the reliable insulation of negative electrode pole piece between said positive electrode pole piece and the negative electrode pole piece;
One side of said positive electrode pole piece is provided with outward extending anodal white edge, and a side of said negative electrode pole piece is provided with outward extending negative pole white edge;
Positive pole ear is connected with the positive electrode pole piece; Negative lug is connected with the negative electrode pole piece;
Positive pole ear is provided with the convexity that is used for anodal white edge pressing, and the convexity on the positive pole ear embeds in the anodal white edge; Negative lug is provided with the convexity that is used for the pressing of negative pole white edge, and the convexity on the negative lug embeds in the negative pole white edge.
Said convexity is rhombus, circle, ellipse, square or triangle, is the matrix-style arrangement or is cellular mode to arrange.
The positive pole ear of the utility model is provided with convexity with the end that negative lug contacts with pole piece; Can be pressed into pole piece when therefore contacting with the negative pole white edge with anodal white edge; Thereby strengthen the reliability of both contacts; Make to have reliable the electrical connection between pole piece and the lug, thus the quality that improves battery with extend the life of a cell.
Claims (2)
1. the power lithium-ion battery with straight subsides formula lug is characterized in that, comprises housing, positive pole ear, negative lug and mutual range upon range of positive electrode pole piece that is positioned at housing and negative electrode pole piece; Be provided with the barrier film that is used to make positive electrode pole piece and the reliable insulation of negative electrode pole piece between said positive electrode pole piece and the negative electrode pole piece;
One side of said positive electrode pole piece is provided with outward extending anodal white edge, and a side of said negative electrode pole piece is provided with outward extending negative pole white edge;
Positive pole ear is connected with the positive electrode pole piece; Negative lug is connected with the negative electrode pole piece;
Positive pole ear is provided with the convexity that is used for anodal white edge pressing, and the convexity on the positive pole ear embeds in the anodal white edge; Negative lug is provided with the convexity that is used for the pressing of negative pole white edge, and the convexity on the negative lug embeds in the negative pole white edge.
2. the power lithium-ion battery with straight subsides formula lug as claimed in claim 1 is characterized in that said convexity is rhombus, circle, ellipse, square or triangle, is the matrix-style arrangement or is cellular mode to arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120332329XU CN202217727U (en) | 2011-09-05 | 2011-09-05 | Power lithium ion battery with direct-sticking type electrode ears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120332329XU CN202217727U (en) | 2011-09-05 | 2011-09-05 | Power lithium ion battery with direct-sticking type electrode ears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202217727U true CN202217727U (en) | 2012-05-09 |
Family
ID=46016964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120332329XU Expired - Fee Related CN202217727U (en) | 2011-09-05 | 2011-09-05 | Power lithium ion battery with direct-sticking type electrode ears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202217727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490594A (en) * | 2019-08-23 | 2021-03-12 | 宁德新能源科技有限公司 | Tab, pole piece and battery |
-
2011
- 2011-09-05 CN CN201120332329XU patent/CN202217727U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490594A (en) * | 2019-08-23 | 2021-03-12 | 宁德新能源科技有限公司 | Tab, pole piece and battery |
| CN112490594B (en) * | 2019-08-23 | 2023-02-28 | 东莞新能安科技有限公司 | Tab, pole piece and battery |
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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 |
Owner name: FENGHUANG NEW ENERGY (HUIZHOU) CO., LTD. Free format text: FORMER NAME: HUIZHOU HANPAI BATTERY TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 516211 Guangdong District of Huiyang city in Huizhou province long autumn street gurabardha Tang Jing group ZILONG Industrial Park Patentee after: Fenghuang New Energy (Huizhou) Co., Ltd. Address before: 516211 Guangdong District of Huiyang city in Huizhou province long autumn street gurabardha Tang Jing group ZILONG Industrial Park Patentee before: HUIZHOU HANDPACK BATTERY TECHNOLOGY CO., LTD. |
|
| 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: 20120509 Termination date: 20160905 |