CN205645969U - Secondary cell utmost point ear and secondary cell - Google Patents
Secondary cell utmost point ear and secondary cell Download PDFInfo
- Publication number
- CN205645969U CN205645969U CN201620172922.5U CN201620172922U CN205645969U CN 205645969 U CN205645969 U CN 205645969U CN 201620172922 U CN201620172922 U CN 201620172922U CN 205645969 U CN205645969 U CN 205645969U
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- China
- Prior art keywords
- pole ear
- lug
- groove
- secondary battery
- battery pole
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
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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
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to the technical field of ion battery, concretely relates to secondary cell utmost point ear, utmost point ear stamping forming has long banding enhancement groove. There is long banding enhancement groove through stamping forming on utmost point ear to increase the intensity of utmost point ear, make and wind the in -process at battery rolling, even utmost point ear receives the collision, also can not take place easily to curl, turn over and roll over or tear, thereby guarantee the quality of battery, improve the yields. The utility model discloses still provide a secondary cell.
Description
Technical field
This utility model belongs to secondary battery technology, is specifically related to a kind of secondary battery pole ear and secondary cell.
Background technology
Lithium ion battery has the advantages such as voltage is high, specific energy is big, self discharge is little, have extended cycle life.Since the early 1990s in last century is by the commercialization of energy company of Sony, lithium ion battery receives extensive concern and the further investigation of various countries scientific research personnel, and be developed rapidly in the past thirty years, it is applied to the aspects such as digital camera, mobile phone, notebook computer, electric tool, electric bicycle, electric automobile and energy-storage system.
Due to lug relatively thin (the especially lug of Copper Foil material), lug easily crimps after being collided, turn down and even tear, especially multi pole ears battery, and the probability that its lug in winding process is collided is bigger, lug turnover or tear eventually affect the quality of battery, bad product even occur.
Utility model content
The purpose of this utility model is: for the deficiencies in the prior art, it is provided that a kind of secondary battery pole ear and secondary cell so that in the process of battery manufacture, lug will not crimp because of being collided, turn down and tear.
To achieve these goals, this utility model adopts the following technical scheme that
A kind of secondary battery pole ear, described lug punch forming has the strengthening groove of strip.There is the strengthening groove of strip by punch forming on lug, to increase the intensity of lug so that in battery manufacturing process, even if lug is collided, also will not crimp easily, turn down or tear, thus ensure that the quality of battery, improve yields.
As the improvement of a kind of secondary battery pole ear described in the utility model, described strengthening groove is curved groove.
As the improvement of a kind of secondary battery pole ear described in the utility model, described strengthening groove is straight-line groove.
As the improvement of a kind of secondary battery pole ear described in the utility model, described strengthening groove is at least provided with 2, and is disposed in parallel relation to one another.
As the improvement of a kind of secondary battery pole ear described in the utility model, described strengthening groove is parallel to the side of described lug.
As the improvement of a kind of secondary battery pole ear described in the utility model, described strengthening groove includes from the lug stamping forming reinforcement groove of one side, and from lug another side stamping forming reinforcement tongue.Described reinforcement groove and reinforcement tongue are equipped with, and strengthen the intensity of described lug further.
Spaced apart as the improvement of a kind of secondary battery pole ear described in the utility model, described reinforcement groove and described reinforcement tongue, so that described reinforcement groove and described reinforcement tongue are reasonably distributed, more effectively strengthen the intensity of described lug.
As the improvement of a kind of secondary battery pole ear described in the utility model, described strengthening groove is at least provided with 2 and interwoven.Interwoven strengthening groove, more comprehensively to strengthen the bulk strength of described lug.
As the improvement of a kind of secondary battery pole ear described in the utility model, the width of described strengthening groove is 1～3mm.
As the improvement of a kind of secondary battery pole ear described in the utility model, described strengthening groove has been arranged side by side 4, and 2 that are in centre is reinforcement groove, is in 2 of both sides for strengthening tongue.
A kind of secondary cell, including positive plate, negative plate, positive pole ear and negative lug, described positive pole ear electrically connects with described positive plate, and described negative lug electrically connects with described negative plate, and described positive pole ear and/or negative lug are arbitrary above-mentioned secondary battery pole ear.
The beneficial effects of the utility model are: providing a kind of secondary battery pole ear and secondary cell, described lug punch forming has the strengthening groove of strip.There is the strengthening groove of strip by punch forming on lug, to increase the intensity of lug so that in battery manufacturing process, even if lug is collided, also will not crimp easily, turn down or tear, thus ensure that the quality of battery, improve yields.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment 1 lug.
Fig. 2 is A1-A2 structural representation in Fig. 1.
Fig. 3 is the structural representation of this utility model embodiment 2 lug.
Fig. 4 is B1-B2 structural representation in Fig. 3.
Fig. 5 is the structural representation of this utility model embodiment 3 lug.
Fig. 6 is the structural representation of this utility model embodiment 4 lug.
Wherein, 1. pole piece, 2. lug, 3. strengthening groove, 31. strengthen groove, and 32. strengthen tongue.
Detailed description of the invention
Below in conjunction with detailed description of the invention and Figure of description, this utility model and beneficial effect thereof are described in further detail, but, detailed description of the invention of the present utility model is not limited thereto.
Embodiment 1
As depicted in figs. 1 and 2, a kind of secondary battery pole ear, the punch forming of described lug 2 has the strengthening groove 3 of strip.Described strengthening groove 3 is straight-line groove, its width is 2mm, described strengthening groove 3 arranges 3, include 2 respectively from lug 2 the same face stamping forming reinforcement groove 31, with 1 from lug 2 another side stamping forming reinforcement tongue 32, described reinforcement groove 31 and described reinforcement tongue 32 be arranged in parallel, and described reinforcement tongue 32 is arranged between 2 described reinforcement grooves 31, make described reinforcement groove 31 and described reinforcement tongue 32 spaced apart, utilize and strengthen groove 31 and strengthen tongue 32 being equipped with, strengthen the intensity of described lug 2 further.
There is the strengthening groove 3 of strip by punch forming on lug 2, to increase the intensity of lug 2 so that in battery manufacturing process, even if lug 2 is collided, also will not crimp easily, turn down or tear, thus ensure that the quality of battery, improve yields.
Embodiment 2
As shown in Figure 3 and Figure 4, the present embodiment is with the difference of embodiment 1:
A kind of secondary battery pole ear, described strengthening groove 3 is provided with 4, it is all straight-line groove, groove 31 and 2 reinforcement tongues 32 is strengthened including 2, described reinforcement groove 31 and described reinforcement tongue 32 be arranged in parallel, and are parallel to the side of described lug 2, and 2 described reinforcement grooves 31 are arranged between 2 described reinforcement tongues 32, utilize and strengthen groove 31 and strengthen tongue 32 being equipped with, strengthen the intensity of described lug 2 further.
Other is same as in Example 1, does not repeats them here.
Embodiment 3
As it is shown in figure 5, the difference of the present embodiment and embodiment 1 is:
A kind of secondary battery pole ear, described strengthening groove 3 is curved groove, is provided with 2, and 2 strengthening groove 3 aobvious " eight " set up of character patt erns side by side are on described lug 2.
Other is same as in Example 1, does not repeats them here.
Embodiment 4
As shown in Figure 6, the present embodiment is with the difference of embodiment 1:
A kind of secondary battery pole ear, described strengthening groove 3 is straight-line groove, it is provided with 4, it is crisscross arranged respectively, thus it is scattered in two " intersection " shape punching press flute marks, the strengthening groove 3 that strengthening groove 3 on one " intersection " " intersects " with another connects, interwoven by described strengthening groove 3, more comprehensively to strengthen the bulk strength of described lug 2.
Other is same as in Example 1, does not repeats them here.
Embodiment 5
If Fig. 1 is to shown in 6, a kind of secondary cell, including pole piece 1 and the lug 2 being connected electrically on pole piece 1, described pole piece 1 includes positive plate and negative plate, described lug 2 includes positive pole ear and negative lug, described positive pole ear electrically connects with described positive plate, and described negative lug electrically connects with described negative plate, and described positive pole ear and/or negative lug are arbitrary above-mentioned secondary battery pole ear.
Secondary cell can be lithium ion battery, sodium-ion battery, Zinc ion battery etc..
The announcement of book and teaching according to the above description, above-mentioned embodiment can also be changed and revise by this utility model those skilled in the art.Therefore, this utility model is not limited to above-mentioned detailed description of the invention, and any conspicuously improved, replacement or modification that every those skilled in the art are done on the basis of this utility model belong to protection domain of the present utility model.Although additionally, employ some specific terms in this specification, but these terms are merely for convenience of description, this utility model is not constituted any restriction.
Claims (10)
1. a secondary battery pole ear, it is characterised in that: described lug punch forming has the strengthening groove of strip.
A kind of secondary battery pole ear the most according to claim 1, it is characterised in that: described strengthening groove is curved groove.
A kind of secondary battery pole ear the most according to claim 1, it is characterised in that: described strengthening groove is straight-line groove.
A kind of secondary battery pole ear the most according to claim 3, it is characterised in that: described strengthening groove is at least provided with 2, and is disposed in parallel relation to one another.
A kind of secondary battery pole ear the most according to claim 4, it is characterised in that: described strengthening groove is parallel to the side of described lug.
A kind of secondary battery pole ear the most according to claim 5, it is characterised in that: described strengthening groove includes from the lug stamping forming reinforcement groove of one side, and from lug another side stamping forming reinforcement tongue.
A kind of secondary battery pole ear the most according to claim 6, it is characterised in that: described reinforcement groove and described reinforcement tongue are spaced apart.
A kind of secondary battery pole ear the most according to claim 1 and 2, it is characterised in that: described strengthening groove is at least provided with 2 and interwoven.
A kind of secondary battery pole ear the most according to claim 6, it is characterised in that: described strengthening groove has been arranged side by side 4, and 2 that are in centre is reinforcement groove, is in 2 of both sides for strengthening tongue.
10. a secondary cell, including positive plate, negative plate, positive pole ear and negative lug, described positive pole ear electrically connects with described positive plate, described negative lug electrically connects with described negative plate, it is characterised in that: described positive pole ear and/or negative lug are the secondary battery pole ear described in any one of claim 1 ~ 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620172922.5U CN205645969U (en) | 2016-03-08 | 2016-03-08 | Secondary cell utmost point ear and secondary cell |
| PCT/CN2016/092775 WO2017152575A1 (en) | 2016-03-08 | 2016-08-02 | Secondary battery tab and secondary battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620172922.5U CN205645969U (en) | 2016-03-08 | 2016-03-08 | Secondary cell utmost point ear and secondary cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205645969U true CN205645969U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620172922.5U Active CN205645969U (en) | 2016-03-08 | 2016-03-08 | Secondary cell utmost point ear and secondary cell |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205645969U (en) |
| WO (1) | WO2017152575A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923021A (en) * | 2018-07-09 | 2018-11-30 | 珠海格力电器股份有限公司 | A kind of full tab positive plate, winding battery core and preparation method thereof |
| CN109004169A (en) * | 2018-07-20 | 2018-12-14 | 中航锂电技术研究院有限公司 | Lithium battery pole ear reinforcing rib molding machine and its forming method |
| CN111244379A (en) * | 2020-01-15 | 2020-06-05 | 东莞塔菲尔新能源科技有限公司 | Power battery tab and power battery |
| CN112886150A (en) * | 2021-01-15 | 2021-06-01 | 广东铭利达科技有限公司 | Stamping-resistant aluminum-magnesium hypoeutectic alloy battery tab and preparation method thereof |
| CN115249876A (en) * | 2021-04-27 | 2022-10-28 | 荣盛盟固利新能源科技有限公司 | Battery tab and battery |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490594B (en) * | 2019-08-23 | 2023-02-28 | 东莞新能安科技有限公司 | Tab, pole piece and battery |
| CN218242174U (en) * | 2022-08-16 | 2023-01-06 | 欣旺达电动汽车电池有限公司 | Pole piece, battery and consumer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01127169U (en) * | 1988-02-24 | 1989-08-30 | ||
| JPH04218260A (en) * | 1990-12-17 | 1992-08-07 | Yuasa Corp | Plate for lead acid battery |
| JPH07326359A (en) * | 1994-06-01 | 1995-12-12 | Matsushita Electric Ind Co Ltd | Electrode plate for lead-acid battery |
| JPH11111329A (en) * | 1997-10-02 | 1999-04-23 | Shin Kobe Electric Mach Co Ltd | Lead-acid battery and manufacture thereof |
| JP4623039B2 (en) * | 2007-03-30 | 2011-02-02 | Ｔｄｋ株式会社 | Electrochemical element |
| JP5035408B2 (en) * | 2010-09-13 | 2012-09-26 | 新神戸電機株式会社 | Lead acid battery and lead acid battery manufacturing method |
| CN102104134B (en) * | 2011-01-28 | 2012-12-05 | 福建南平南孚电池有限公司 | Pole lug of lithium battery and negative pole structure with same as well as lithium battery |
-
2016
- 2016-03-08 CN CN201620172922.5U patent/CN205645969U/en active Active
- 2016-08-02 WO PCT/CN2016/092775 patent/WO2017152575A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923021A (en) * | 2018-07-09 | 2018-11-30 | 珠海格力电器股份有限公司 | A kind of full tab positive plate, winding battery core and preparation method thereof |
| CN109004169A (en) * | 2018-07-20 | 2018-12-14 | 中航锂电技术研究院有限公司 | Lithium battery pole ear reinforcing rib molding machine and its forming method |
| CN109004169B (en) * | 2018-07-20 | 2024-05-14 | 中创新航技术研究院(江苏)有限公司 | Forming device and forming method for lithium battery tab reinforcing ribs |
| CN111244379A (en) * | 2020-01-15 | 2020-06-05 | 东莞塔菲尔新能源科技有限公司 | Power battery tab and power battery |
| CN112886150A (en) * | 2021-01-15 | 2021-06-01 | 广东铭利达科技有限公司 | Stamping-resistant aluminum-magnesium hypoeutectic alloy battery tab and preparation method thereof |
| CN115249876A (en) * | 2021-04-27 | 2022-10-28 | 荣盛盟固利新能源科技有限公司 | Battery tab and battery |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017152575A1 (en) | 2017-09-14 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |