CN205680740U - A kind of full lug coiled square battery - Google Patents
A kind of full lug coiled square battery Download PDFInfo
- Publication number
- CN205680740U CN205680740U CN201620647215.7U CN201620647215U CN205680740U CN 205680740 U CN205680740 U CN 205680740U CN 201620647215 U CN201620647215 U CN 201620647215U CN 205680740 U CN205680740 U CN 205680740U
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- China
- Prior art keywords
- negative
- plate
- square battery
- positive
- full lug
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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
- 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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of full lug coiled square battery, including shell, battery core, plus plate current-collecting body, negative current collector, Positive Poles, negative pole pole, battery core is sequentially wound around core by barrier film, negative plate, barrier film, positive plate, barrier film and is formed；Negative plate and positive plate are all at one end provided with uncoated part；Negative current collector is U-shaped, and upper end is connected with negative pole pole, and lower-left end and bottom righthand side are connected with the uncoated part of negative plate respectively；Plus plate current-collecting body is U-shaped, and upper end is connected with Positive Poles, and lower-left end and bottom righthand side are connected with the uncoated part of positive plate respectively；The full lug coiled square battery that the utility model provides, is conducive to increasing the electric current of collector, reduces the internal resistance of cell, improve battery high rate performance, prevents one side from connecting the rosin joint causing simultaneously.
Description
Technical field
The utility model relates to the field of battery, particularly to one full lug coiled square battery.
Background technology
In existing rectangular cell production technology, the stacked or takeup type of general employing.Stacked rectangular cell produces
Inefficient, and easy bulging during battery use.After coiled square battery production efficiency is higher, but wireline reel is extracted out,
Leave a void in the middle of battery core, be easily caused and get loose inside battery core, and then cause battery cycle life to be deteriorated；Additionally, it is existing square
Battery uses the mode of soldering polar ear drainage, and owing to lug quantity is effective, battery high rate performance is general, it is hard to equip at high power
Middle application.
Content of the invention
In order to solve the problems such as existing rectangular cell high rate performance difference, the utility model provides a kind of full lug takeup type side
Shape battery.
The utility model be the technical scheme is that
A kind of full lug coiled square battery, including shell, battery core, plus plate current-collecting body, negative current collector, positive pole pole
Post, negative pole pole, battery core is sequentially wound around core by barrier film, negative plate, barrier film, positive plate, barrier film and is formed；Negative plate
It is all at one end provided with uncoated part with positive plate；Described negative current collector is U-shaped, and upper end is connected with negative pole pole, lower-left end
It is connected with the uncoated part of negative plate respectively with bottom righthand side；Plus plate current-collecting body is U-shaped, and upper end is connected with Positive Poles, lower-left
End and bottom righthand side are connected with the uncoated part of positive plate respectively；
Preferably, Positive Poles and negative pole pole are separately positioned on the two ends of battery core；
Preferably, plus plate current-collecting body uses ultra-sonic welded or laser welding to be connected with the uncoated part of positive plate；
Preferably, described negative current collector and the uncoated part of described negative plate use ultra-sonic welded or Laser Welding in succession
Connect；
Preferably, the thickness of negative current collector is 0.1-5mm；
Preferably, the thickness of plus plate current-collecting body is 0.1-5mm；
Preferably, the material of negative current collector is fine copper；
Preferably, the material of plus plate current-collecting body is fine aluminium；
The beneficial effects of the utility model: the utility model uses full extreme ear structure, the full lug of both positive and negative polarity respectively with U-shaped
Negative or positive electrode collector connect, it is achieved two-sided connection, be conducive to increase collector electric current, reduce the internal resistance of cell, improve
Battery high rate performance, prevents one side from connecting the rosin joint causing simultaneously.
Brief description
Fig. 1 is the structural representation of positive plate of the present utility model；
Fig. 2 is the structural representation of negative plate of the present utility model；
Fig. 3 is the structural representation of full lug coiled square battery of the present utility model；
Fig. 4 is the structural representation of plus plate current-collecting body of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings the utility model is described in further detail.
Embodiment 1
As shown in figures 1-4, a kind of full lug coiled square battery, including shell (3), battery core (4), plus plate current-collecting body
(13), negative current collector (23), Positive Poles (14), negative pole pole (24), battery core (4) by barrier film, negative plate, barrier film,
Positive plate (12), barrier film sequentially wind formation around core；The two ends of negative plate be respectively arranged with negative pole coated portion (22) and
The uncoated part of negative pole (21), the two ends of positive plate are respectively arranged with positive pole coated portion (12) and the uncoated part of positive pole
(11)；Negative current collector (23) is U-shaped, and upper end is connected with negative pole pole (24), and lower-left end and bottom righthand side are not coated with negative pole respectively
Cover part (21) to connect；Plus plate current-collecting body (13) is U-shaped, and upper end is connected with Positive Poles (14), and lower-left end and bottom righthand side are respectively
Part (11) uncoated with positive pole is connected；Positive Poles and negative pole pole are separately positioned on the two ends of battery core；Plus plate current-collecting body with
The uncoated part of positive plate uses ultra-sonic welded or laser welding to connect；The uncoated part of negative current collector and negative plate is adopted
Connect by ultra-sonic welded or laser welding；The thickness of negative current collector is 3mm；The thickness of plus plate current-collecting body is 3mm；Negative pole currect collecting
The material of body is fine copper；The material of plus plate current-collecting body is fine aluminium；
Above embodiment simply indicates that rather than limits the utility model, therefore all according to the utility model patent application
The equivalence that method described in scope is done changes or modifies, and is all included in the utility model patent claim.
Claims (8)
1. a full lug coiled square battery, including shell, battery core, plus plate current-collecting body, negative current collector, Positive Poles,
Negative pole pole, battery core is sequentially wound around core by barrier film, negative plate, barrier film, positive plate, barrier film and is formed；Its feature exists
In: described negative plate and positive plate are all at one end provided with uncoated part；Described negative current collector is U-shaped, and upper end is negative with described
Pole pole connects, and lower-left end and bottom righthand side are connected with the uncoated part of described negative plate respectively；Described plus plate current-collecting body is U
Type, upper end is connected with described Positive Poles, and lower-left end and bottom righthand side are connected with the uncoated part of described positive plate respectively.
2. full lug coiled square battery according to claim 1, it is characterised in that described Positive Poles and negative pole pole
Post is separately positioned on the two ends of battery core.
3. full lug coiled square battery according to claim 1, it is characterised in that described plus plate current-collecting body with described
The uncoated part of positive plate uses ultra-sonic welded or laser welding to connect.
4. full lug coiled square battery according to claim 1, it is characterised in that described negative current collector with described
The uncoated part of negative plate uses ultra-sonic welded or laser welding to connect.
5. full lug coiled square battery according to claim 1, it is characterised in that the thickness of described negative current collector
For 0.1-5mm.
6. full lug coiled square battery according to claim 1, it is characterised in that the thickness of described plus plate current-collecting body
For 0.1-5mm.
7. full lug coiled square battery according to claim 1, it is characterised in that the material of described negative current collector
For fine copper.
8. full lug coiled square battery according to claim 1, it is characterised in that the material of described plus plate current-collecting body
For fine aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620647215.7U CN205680740U (en) | 2016-06-26 | 2016-06-26 | A kind of full lug coiled square battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620647215.7U CN205680740U (en) | 2016-06-26 | 2016-06-26 | A kind of full lug coiled square battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205680740U true CN205680740U (en) | 2016-11-09 |
Family
ID=57429263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620647215.7U Active CN205680740U (en) | 2016-06-26 | 2016-06-26 | A kind of full lug coiled square battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205680740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114374000A (en) * | 2022-01-12 | 2022-04-19 | 江苏正力新能电池技术有限公司 | Battery and energy storage device |
-
2016
- 2016-06-26 CN CN201620647215.7U patent/CN205680740U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114374000A (en) * | 2022-01-12 | 2022-04-19 | 江苏正力新能电池技术有限公司 | Battery and energy storage 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: 20200630 Address after: 518116 1, 2, 3, 4 / F, 3 / F, 4 / F, 5 / F, 6 / F, No. 3, Yayuan Road, Bantian street, Longgang District, Shenzhen City, Guangdong Province Patentee after: VDL industry (Shenzhen) Co.,Ltd. Address before: 518129 floor 2, workshop 7, No. 3, Yayuan Road, Bantian street, Longgang District, Shenzhen City, Guangdong Province Patentee before: ID-TECH (HONG KONG) Ltd. |