CN202142602U - Thick lug of soft package lithium battery - Google Patents
Thick lug of soft package lithium battery Download PDFInfo
- Publication number
- CN202142602U CN202142602U CN201120256945U CN201120256945U CN202142602U CN 202142602 U CN202142602 U CN 202142602U CN 201120256945 U CN201120256945 U CN 201120256945U CN 201120256945 U CN201120256945 U CN 201120256945U CN 202142602 U CN202142602 U CN 202142602U
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- CN
- China
- Prior art keywords
- lug
- lithium battery
- metal tape
- cross
- thick
- 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)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a thick lug of a soft package lithium battery, which comprises a metal strap and lug glue covered on the metal strap. The thickness of two ends of the cross section of the metal strap is smaller than the thickness of the middle part of the cross section of the metal strap. The thick lug eliminates blind angles easily formed on two sides of a metal conductor when the lug glue is pressed, improves bonding strength of the lug glue and the metal conductor, improves sealing performance of the lug glue and the metal conductor, and can serve as a qualified soft package lithium battery lug of an automobile.
Description
[technical field]
The utility model relates to the Soft Roll lithium battery, relates in particular to the thick lug of a kind of Soft Roll lithium battery.
[background technology]
The appearance of Soft Roll lithium battery is the plastic-aluminum packaging film of one deck sealing, and the positive and negative lug of Soft Roll lithium battery is drawn from the sealing line of plastic-aluminum packaging film.The inside of plastic-aluminum packaging film Soft Roll is anhydrous vacuum, and moisture is in 15ppm.In order to realize the good combination at positive and negative lug and plastic-aluminum packaging film sealing line position, realize excellent sealing, need cover lug glue in the metallic conductor outside of positive and negative lug, make the special-purpose lug of soft-package battery.
The metallic conductor of positive and negative lug outside covers lug glue carries out through heating silica gel soft mode, around uniform temperature and following lug glue of pressure closely are attached to metallic conductor, reaches the peel strength of regulation.Tradition lug metallic conductor is that the cross section is the metal tape of rectangle, and when the thickness of lug metallic conductor during less than the gross thickness 0.2mm of two-layer lug glue, the stitching state of lug metallic conductor and lug glue is good.As depicted in figs. 1 and 2; When the thickness of lug metallic conductor 1 surpass two-layer lug glue 2 gross thickness 0.2mm the time; Both sides at metallic conductor 1 form two lug glue and the bonding bad dead triangle 3 of metallic conductor easily, and this dead triangle 3 makes lug glue 2 and the peel strength reduction of metallic conductor 1, the sealing property of lug can't reach specification requirement.So prior art is difficult to make peel strength height, good seal performance, metallic conductor thickness surpasses the thick lug of 0.2mm.
The batteries of electric automobile capacity is high, and operating current is big, requires the thickness of lug metallic conductor generally to surpass 0.2mm, and the thickest requirement reaches 0.5mm.Prior art is to be difficult to satisfy this demand of market.
[summary of the invention]
The technical problem that the utility model will solve provides a kind of lug glue and the metallic conductor bond strength is high, good seal performance, and metallic conductor thickness surpasses the thick lug of Soft Roll lithium battery of 0.2mm.
In order to solve the problems of the technologies described above; The technical scheme that the utility model adopts is; The thick lug of a kind of Soft Roll lithium battery comprises metal tape and the lug glue that covers the metal tape outside, and the thickness at said metal tape cross section two ends is less than the thickness of metal tape cross section mid portion.
The thick lug of above-described Soft Roll lithium battery; The shape of metal tape cross section mid portion is a rectangle; The shape at metal tape cross section two ends is triangles or trapezoidal, and described triangle or trapezoidal going to the bottom are connected with metal tape cross section mid portion, and triangle or trapezoidal microcephaly are outwardly.
The thick lug of above-described Soft Roll lithium battery, said triangle or trapezoidal drift angle are 60 ° to 120 °.
The thick lug of above-described Soft Roll lithium battery, said triangle or the trapezoidal size of going to the bottom equal the thickness of metal tape cross section mid portion.
The thickness at the thick lug metal tape of the utility model Soft Roll lithium battery cross section two ends is less than the thickness of metal tape cross section mid portion; The dead angle that the metallic conductor both sides form easily when having eliminated pressing lug glue; Improved lug glue and metallic conductor bond strength, improved the sealing property of lug glue and metallic conductor, can be used as qualified automobile Soft Roll lithium battery pole ear.
[description of drawings]
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
The profile of the thick lug of Fig. 1 prior art Soft Roll lithium battery.
Fig. 2 is the partial enlarged drawing at I position among Fig. 1.
Fig. 3 is the profile of the thick lug embodiment 1 of the utility model Soft Roll lithium battery.
Fig. 4 is the partial enlarged drawing at II position among Fig. 3.
Fig. 5 is the structure chart of the thick lug embodiment 2 metal tape cross-sectional end of the utility model Soft Roll lithium battery.
Fig. 6 is the structure chart of the thick lug embodiment 3 metal tape cross-sectional end of the utility model Soft Roll lithium battery.
Fig. 7 is the structure chart of the thick lug embodiment 4 metal tape cross-sectional end of the utility model Soft Roll lithium battery.
[embodiment]
In the embodiment 1 of Fig. 3, the thick lug of the utility model Soft Roll lithium battery shown in Figure 4, thick lug comprises metal tape 1 and the lug glue 2 that covers metal tape 1 outside,
The shape of metal tape 1 cross section mid portion 102 is rectangles; The shape at metal tape 1 cross section two ends is triangles 101; 101 ends of triangle, be connected with metal tape 1 cross section mid portion 102, and the size at 101 ends of triangle equals the thickness of metal tape 1 cross section mid portion 102.The microcephaly of triangle 101 outwardly.In the present embodiment, the drift angle of triangle 101 is 90 °.
Among the embodiment 2 of the thick lug of the utility model Soft Roll lithium battery shown in Figure 5, the shape of metal tape 1 cross-sectional end is similar with embodiment 1, and just the end of triangle 101 is slightly less than the thickness of metal tape 1 cross section mid portion 102.
Among the embodiment 3 of the thick lug of the utility model Soft Roll lithium battery shown in Figure 6; The shape of metal tape 1 cross-sectional end be trapezoidal; Trapezoidal 103 ends, be connected with metal tape 1 cross section mid portion 102, and trapezoidal 103 sizes of going to the bottom equal the thickness of metal tape 1 cross section mid portion 102.Trapezoidal 103 microcephaly outwardly.In the present embodiment, trapezoidal 103 drift angle is 90 °.
Among the embodiment 4 of the thick lug of the utility model Soft Roll lithium battery shown in Figure 7, the shape of metal tape 1 cross-sectional end is similar with embodiment 1, is trapezoidal 103 go to the bottom and be slightly less than the thickness of metal tape 1 cross section mid portion 102.Trapezoidal 103 drift angle is 71 °.
More than the characteristics of each embodiment be; The thickness at metallic conductor cross section two ends is all less than the thickness of metallic conductor cross section mid portion; The dead angle that the metallic conductor both sides occur easily when having eliminated pressing lug glue; Improved lug glue and metallic conductor bond strength, improved the sealing property of lug glue and metallic conductor, can make thickness and surpass the above thick lug of 0.2mm and be used to make batteries of electric automobile.
Claims (4)
1. the thick lug of Soft Roll lithium battery comprises metal tape and the lug glue that covers the metal tape outside, it is characterized in that the thickness at said metal tape cross section two ends is less than the thickness of metal tape cross section mid portion.
2. the thick lug of Soft Roll lithium battery according to claim 1; It is characterized in that; The shape of metal tape cross section mid portion is a rectangle; The shape at metal tape cross section two ends is triangles or trapezoidal, and described triangle or trapezoidal going to the bottom are connected with metal tape cross section mid portion, and said triangle or trapezoidal microcephaly are outwardly.
3. the thick lug of Soft Roll lithium battery according to claim 2 is characterized in that, said triangle or trapezoidal drift angle are 60 ° to 120 °.
4. the thick lug of Soft Roll lithium battery according to claim 2 is characterized in that, said triangle or the trapezoidal size of going to the bottom equal the thickness of metal tape cross section mid portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120256945U CN202142602U (en) | 2011-07-20 | 2011-07-20 | Thick lug of soft package lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120256945U CN202142602U (en) | 2011-07-20 | 2011-07-20 | Thick lug of soft package lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202142602U true CN202142602U (en) | 2012-02-08 |
Family
ID=45553644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120256945U Expired - Fee Related CN202142602U (en) | 2011-07-20 | 2011-07-20 | Thick lug of soft package lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202142602U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870390A (en) * | 2016-04-21 | 2016-08-17 | 格远电子科技（上海）有限公司 | Chamfered edge tab of EV lithium battery and fabrication method of chamfered edge tab |
| CN106684304A (en) * | 2017-03-14 | 2017-05-17 | 格远电子科技（上海）有限公司 | Multilevel insulation paste lug of power lithium battery |
| CN106920915A (en) * | 2015-12-25 | 2017-07-04 | 住友电气工业株式会社 | Lead member and the battery using the lead member |
| CN109285987A (en) * | 2018-08-21 | 2019-01-29 | 厦门纬达科技有限公司 | A kind of soft package lithium ion cell polar ear and preparation method thereof |
| CN115692723A (en) * | 2022-11-08 | 2023-02-03 | 厦门海辰储能科技股份有限公司 | Composite current collector, battery core, battery and preparation method of composite current collector |
-
2011
- 2011-07-20 CN CN201120256945U patent/CN202142602U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920915A (en) * | 2015-12-25 | 2017-07-04 | 住友电气工业株式会社 | Lead member and the battery using the lead member |
| CN106920915B (en) * | 2015-12-25 | 2019-08-30 | 住友电气工业株式会社 | Lead member and the battery for using the lead member |
| CN105870390A (en) * | 2016-04-21 | 2016-08-17 | 格远电子科技（上海）有限公司 | Chamfered edge tab of EV lithium battery and fabrication method of chamfered edge tab |
| CN106684304A (en) * | 2017-03-14 | 2017-05-17 | 格远电子科技（上海）有限公司 | Multilevel insulation paste lug of power lithium battery |
| CN109285987A (en) * | 2018-08-21 | 2019-01-29 | 厦门纬达科技有限公司 | A kind of soft package lithium ion cell polar ear and preparation method thereof |
| CN115692723A (en) * | 2022-11-08 | 2023-02-03 | 厦门海辰储能科技股份有限公司 | Composite current collector, battery core, battery and preparation method of composite current collector |
| CN115692723B (en) * | 2022-11-08 | 2024-01-23 | 厦门海辰储能科技股份有限公司 | Composite current collector, battery cell, battery and preparation method of composite current collector |
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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: 20161101 Address after: 518000 C, building 8, Gaoqiao Road, Gaoqiao community, Longgang District, Guangdong, Shenzhen three, China 601518000 Patentee after: Fan Nengwen Address before: 518000, No. 16, Lane 2, North Ridge Road, west of Longgang, Shenzhen, Guangdong, Zhenlong Patentee before: Fan Nengwen |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Longgang District of Shenzhen City, Guangdong province 518000 Dragon Street Long Ping Road East Rui garden 1702 Patentee after: Fan Nengwen Address before: 518000 C, building 8, Gaoqiao Road, Gaoqiao community, Longgang District, Guangdong, Shenzhen three, China 601 Patentee before: Fan Nengwen |
|
| 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: 20120208 Termination date: 20190720 |