CN202454645U - Positive lug and soft packaged lithium-ion battery - Google Patents
Positive lug and soft packaged lithium-ion battery Download PDFInfo
- Publication number
- CN202454645U CN202454645U CN2012200378469U CN201220037846U CN202454645U CN 202454645 U CN202454645 U CN 202454645U CN 2012200378469 U CN2012200378469 U CN 2012200378469U CN 201220037846 U CN201220037846 U CN 201220037846U CN 202454645 U CN202454645 U CN 202454645U
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- China
- Prior art keywords
- lug
- aluminium strip
- anode ear
- ion battery
- nickel strap
- 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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Abstract
The utility model discloses a positive lug and a soft packaged lithium-ion battery. The positive lug comprises an aluminum strip and a nickel strip, the middle portion of the aluminum strip comprises a sealing area of the lug, a layer of lug rubber is respectively attached to the upper surface and the lower surface of the sealing area portion of the aluminum strip, the width of the lug rubber is larger than that of the lug, the upper surface of the front portion of the aluminum strip is in overlap joint with the lower surface with the rear portion of the nickel strip, and the lug rubber which is attached to the lower surface of the aluminum strip extends forwards to the lower surface of the overlapping portion of the aluminum strip and the nickel strip. The soft packaged lithium-ion battery comprises a soft packaging case and the positive lug, pressing sealing of a positive lug inserting port of the soft packaging case and the positive lug is achieved through the lug rubber which is attached to the positive lug. According to the lug and the soft packaged lithium-ion battery, the lug rubber is extended, so that the external mechanical strength of an aluminum-to-nickel joint of the positive lug is enhanced, the nickel strip does not contact with electrolyte inside a battery cavity, the life of the soft packaged lithium-ion battery is prolonged, and the human cost of a manufacturer is reduced.
Description
[technical field]
The utility model relates to soft-package battery and Soft Roll electric capacity, relates in particular to a kind of anode ear and Soft Roll lithium ion battery.
[background technology]
The Soft Roll lithium ion battery is made up of positive and negative pole material, electrolyte, barrier film, lug and shell, and in order to let lithium ion battery can charge normal discharge, the battery inner chamber must anhydrous vacuum.Lug is the parts that battery is used for conducting electricity, and its end is at the battery inner chamber, and the other end is exposed at the battery outside.
It is that invisible positive and negative pole material and electrolyte are different that Soft Roll electric capacity has the different place of similarity with the structure of soft-package battery, and Soft Roll electric capacity is identical with the structure of soft-package battery anode ear.
The positive pole of Soft Roll lithium ion battery (Soft Roll electric capacity) is made with aluminium strip, and negative pole is made with nickel strap, but the centre uses the lug sticker of hot melt to attach, and lug metal tape upper and lower surfaces respectively has one deck lug glue parcel, when lug passes battery case, seals.The lithium ion battery need of work installs lithium ion battery privacy protection plate additional, and soldering is adopted in the assembling of baffle and battery, because of anodal aluminium strip does not possess the soldering performance, must weld one section nickel strap and just can carry out soldering, and this technical matters is aluminium-to-nickel.
The structure of tradition aluminium-to-nickel anode ear and Soft Roll lithium ion battery such as Fig. 1 are to shown in Figure 4; Anode ear comprises aluminium strip 1 and nickel strap 2; The middle part of aluminium strip is the seal area of lug; The upper and lower surfaces at aluminium strip seal area position respectively attaches 1 layer of lug glue 3 and 4, and lug glue 3 and 4 width are greater than the width of lug, and the upper surface that aluminium strip is anterior and the lower surface at nickel strap rear portion overlap.
When aluminium-to-nickel anode ear and battery assembling, the lug glue pressing sealing that the anode ear socket of flexible package shell 5 and anode ear attach through anode ear.
Existing technology all is to adopt the lug glue that attaches equal width earlier to pack the upper and lower surfaces of heat-sealable area at anodal aluminium strip; Hot-forming then; Again at the aluminium strip outer end laser spot welding that exposes or one section nickel strap of ultrasonic bonding above aluminium strip, expose one section aluminium strip 1a at the joint area that changes nickel.This section aluminium strip needs repeatedly bending in the battery pack process of assembling, because the thickness of anodal aluminium strip generally has only 0.1 millimeter, mechanical strength is very low, and the aluminium strip at the welding point place of anode ear aluminium-to-nickel is easy to fractureed or break, and causes battery to scrap.
For the lug that prevents this battery fractures, battery production merchant need consume the aluminium strip that a large amount of manual works exposes this section and be folded in the battery top groove, clings with adhesive sticker again.The aluminium strip that exposes with regard to unlikely bending the lug bending time like this can reduce the ratio that battery is scrapped, and but then, has but increased human cost.
[summary of the invention]
The technical problem that the utility model will solve provides a kind of anode ear of not frangible.
Another technical problem that will solve of the utility model provides the not Soft Roll lithium ion battery of frangible of a kind of anode ear.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is a kind of anode ear; Comprise aluminium strip and nickel strap; The middle part of aluminium strip comprises the seal area of lug, and the upper and lower surfaces at aluminium strip seal area position respectively attaches 1 layer of lug glue, and the width of lug glue is greater than the width of lug; Upper surface that aluminium strip is anterior and the lower surface at nickel strap rear portion overlap joint, the said lug glue that is attached to the aluminium strip lower surface extends to the lower surface of aluminium strip and nickel strap overlapping part forward.
Above-described anode ear, the said lug glue that is attached to the aluminium strip upper surface extends to the upper surface at nickel strap rear portion, and is attached to the upper surface at nickel strap rear portion.
Above-described anode ear is attached to the aluminium strip upper surface and extends to the lug glue of nickel strap upper surface, and the length of extension surpasses the front end of aluminium strip.
A kind of technical scheme of Soft Roll lithium ion battery comprises flexible package shell and anode ear, the lug glue pressing sealing that the anode ear socket of flexible package shell and anode ear attach through anode ear, and described anode ear is above-mentioned anode ear.
Above-described Soft Roll lithium ion battery, the lug glue that is attached to anode ear aluminium strip upper surface extends to the upper surface at nickel strap rear portion, and is attached to the upper surface at nickel strap rear portion.
Above-described Soft Roll lithium ion battery, the rear end of nickel strap are inserted in the anode ear socket of flexible package shell.
Above-described Soft Roll lithium ion battery is attached to anode ear aluminium strip upper surface and extends to the lug glue of nickel strap upper surface, and the length of extension surpasses the front end of aluminium strip.
The utility model is strengthened the outer mechanical strength of anode ear aluminium-to-nickel joint through extending lug glue, can guarantee again nickel strap not with the battery cavity in electrolyte contact, can improve the life-span of Soft Roll lithium ion battery, the human cost of reduction production firm.
[description of drawings]
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
Fig. 1 is the cutaway view of prior art anode ear along axis.
Fig. 2 is the vertical view of prior art anode ear.
Fig. 3 is the front view of prior art Soft Roll lithium ion battery.
Fig. 4 is that A among Fig. 3 is to cutaway view.
Fig. 5 is the cutaway view of the utility model embodiment 1 anode ear along axis.
Fig. 6 is the vertical view of the utility model embodiment 1 anode ear.
Fig. 7 is the front view of the utility model embodiment 1 Soft Roll lithium ion battery.
Fig. 8 is that B among Fig. 7 is to cutaway view.
Fig. 9 is the cutaway views of the utility model embodiment 2 anode ears along axis.
Figure 10 is the vertical view of the utility model embodiment 2 anode ears.
Figure 11 is the front view of the utility model embodiment 2 Soft Roll lithium ion batteries.
Figure 12 is that C among Figure 11 is to cutaway view.
Figure 13 is the cutaway views of the utility model embodiment 3 anode ears along axis.
Figure 14 is the vertical view of the utility model embodiment 3 anode ears.
Figure 15 is the front view of the utility model embodiment 3 Soft Roll lithium ion batteries.
Figure 16 is that D among Figure 15 is to cutaway view.
[embodiment]
The Soft Roll lithium ion battery of the utility model embodiment 1 comprises flexible package shell 5 and the anode ear processed with plastic-aluminum packaging film shown in Fig. 5 to 8, lug glue 3 and the sealing of 4 hot pressings that the anode ear socket of flexible package shell 5 and anode ear attach through anode ear.
Anode ear comprises aluminium strip 1 and nickel strap 2, and the middle part of aluminium strip 1 is the seal area 1b of lug, and the upper and lower surfaces at aluminium strip 1 seal area 1b position respectively attaches 1 layer of lug glue 3 and 4, and lug glue 3 and 4 width are greater than the width of lug.
The lower surface overlap joint at the upper surface of aluminium strip 1 front portion and nickel strap 2 rear portions, the said lug glue 4 that is attached to aluminium strip 1 lower surface extends to the front end of aluminium strip 1 forward always.
Like this, when anode ear was heat sealed in the flexible package shell 5, the dogleg section 1a of anode ear aluminium strip had attached lug glue 4 at the back, and lug glue 4 has greatly strengthened the bending intensity at aluminium strip 1a position, the useful life of having improved the Soft Roll lithium ion battery.
The Soft Roll lithium ion battery of the utility model embodiment 2 is shown in Fig. 9 to 12; Different with embodiment 1 is; The lug glue 3 that anode ear is attached to aluminium strip 1 upper surface also extends to the upper surface at nickel strap 2 rear portions forward; And being attached to the upper surface at nickel strap 2 rear portions, the front end of lug glue 3 is concordant with the front end of aluminium strip 1.The rear end of nickel strap 2 is inserted and is encapsulated in the anode ear socket of flexible package shell 5.
Present embodiment does not have aluminium strip to be exposed at battery outside, and being exposed at the battery outside, to be used for the zone of bending be one section nickel strap, and the mechanical property ratio aluminium of nickel strap is much better, the repeatedly requirement of bending of needs in the time of can satisfying assembled battery fully.Like this, the Soft Roll lithium ion battery in use, when anode ear needs bending, bending no longer be the aluminium strip of anode ear, bending part is at the 2a place of nickel strap 2, the bending intensity of anode ear can be brought up to suitable with negative electrode lug like this.
The Soft Roll lithium ion battery of the utility model embodiment 3 is shown in Figure 13 to 16; Embodiment 3 further will be attached to anode ear aluminium strip 1 upper surface and extend to the extension of nickel strap 2 upper surface lug glue 3 on the basis of embodiment 2 length is crossed the front end of aluminium strip 1, surpasses the position 2a that anode ear needs bending.Like this, the nickel strap that exposes needs the place of bending, and the lower surface of nickel strap is strengthened one section individual layer lug glue, and the positive pole ear of making like this is dependable performance more, and the bending intensity of anode ear further is improved.
Claims (7)
1. anode ear; Comprise aluminium strip and nickel strap, the middle part of aluminium strip comprises the seal area of lug, and the upper and lower surfaces at aluminium strip seal area position respectively attaches 1 layer of lug glue; The width of lug glue is greater than the width of lug; Upper surface that aluminium strip is anterior and the lower surface at nickel strap rear portion overlap joint is characterized in that the said lug glue that is attached to the aluminium strip lower surface extends to the lower surface of aluminium strip and nickel strap overlapping part forward.
2. anode ear according to claim 1 is characterized in that, the said lug glue that is attached to the aluminium strip upper surface extends to the upper surface at nickel strap rear portion, and is attached to the upper surface at nickel strap rear portion.
3. anode ear according to claim 2 is characterized in that, is attached to the aluminium strip upper surface and extends to the lug glue of nickel strap upper surface, and the length of extension surpasses the front end of aluminium strip.
4. a Soft Roll lithium ion battery comprises flexible package shell and anode ear, and the anode ear socket of flexible package shell and anode ear is characterized in that through the lug glue pressing sealing that anode ear attaches described anode ear is the described anode ear of claim 1.
5. Soft Roll lithium ion battery according to claim 4 is characterized in that, the lug glue that is attached to anode ear aluminium strip upper surface extends to the upper surface at nickel strap rear portion, and is attached to the upper surface at nickel strap rear portion.
6. Soft Roll lithium ion battery according to claim 5 is characterized in that, the rear end of nickel strap is inserted in the anode ear socket of flexible package shell.
7. Soft Roll lithium ion battery according to claim 5 is characterized in that, is attached to anode ear aluminium strip upper surface and extends to the lug glue of nickel strap upper surface, and the length of extension surpasses the front end of aluminium strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200378469U CN202454645U (en) | 2012-02-07 | 2012-02-07 | Positive lug and soft packaged lithium-ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200378469U CN202454645U (en) | 2012-02-07 | 2012-02-07 | Positive lug and soft packaged lithium-ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202454645U true CN202454645U (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200378469U Expired - Fee Related CN202454645U (en) | 2012-02-07 | 2012-02-07 | Positive lug and soft packaged lithium-ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202454645U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490031A (en) * | 2013-08-09 | 2014-01-01 | 范能文 | Positive tab, soft package lithium ion battery and method for manufacturing positive tab |
| CN104201300A (en) * | 2014-07-10 | 2014-12-10 | 浙江努奥罗新能源科技有限公司 | Lithium battery |
| CN105355830A (en) * | 2015-11-30 | 2016-02-24 | 江门市拓联电子科技有限公司 | Anti-short-circuit lithium battery electrode lug |
| WO2017117748A1 (en) * | 2016-01-06 | 2017-07-13 | 宁德新能源科技有限公司 | Rechargeable battery |
-
2012
- 2012-02-07 CN CN2012200378469U patent/CN202454645U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490031A (en) * | 2013-08-09 | 2014-01-01 | 范能文 | Positive tab, soft package lithium ion battery and method for manufacturing positive tab |
| CN104201300A (en) * | 2014-07-10 | 2014-12-10 | 浙江努奥罗新能源科技有限公司 | Lithium battery |
| CN105355830A (en) * | 2015-11-30 | 2016-02-24 | 江门市拓联电子科技有限公司 | Anti-short-circuit lithium battery electrode lug |
| WO2017117748A1 (en) * | 2016-01-06 | 2017-07-13 | 宁德新能源科技有限公司 | Rechargeable battery |
| US11688885B2 (en) | 2016-01-06 | 2023-06-27 | Ningde Amperex Technology Limited | Secondary battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN BATERUI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: FAN NENGWEN Effective date: 20140520 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 516000 HUIZHOU, GUANGDONG PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140520 Address after: 518000 C, building 8, Gaoqiao Road, Gaoqiao community, Longgang District, Guangdong, Shenzhen three, China 601 Patentee after: Fan Nengwen Address before: 25, three, lucky garden, new town, Huiyang District, Guangdong, Huizhou Province, 11B Patentee before: Fan Nengwen |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20200207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |