CN203288678U - Welding structure for core connecting sheet and anode lug - Google Patents

Welding structure for core connecting sheet and anode lug Download PDF

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Publication number
CN203288678U
CN203288678U CN2013202786556U CN201320278655U CN203288678U CN 203288678 U CN203288678 U CN 203288678U CN 2013202786556 U CN2013202786556 U CN 2013202786556U CN 201320278655 U CN201320278655 U CN 201320278655U CN 203288678 U CN203288678 U CN 203288678U
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China
Prior art keywords
brace
nickel
battery core
anodal
welding
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Expired - Lifetime
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CN2013202786556U
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Chinese (zh)
Inventor
刘强
吴翔
谢祯兴
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Dongguan Amperex Technology Ltd
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Dongguan Amperex Technology Ltd
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Priority to CN2013202786556U priority Critical patent/CN203288678U/en
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Publication of CN203288678U publication Critical patent/CN203288678U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Connection Of Batteries Or Terminals (AREA)

Abstract

The utility model belongs to the field of lithium ion batteries, particularly relates to a welding structure for a core connecting sheet and an anode lug. The welding structure includes an electric core, an adapting sheet and an aluminum anode lug, wherein the aluminum anode lug is arranged at the electric core; the adapting sheet includes a connecting sheet, a fuse and a nickel anode lug; the nickel anode lug is connected with the connecting sheet through the fuse; a bent part is arranged at one end part of the connecting sheet; one end of the aluminum anode lug is embedded in the bent part, and the aluminum anode lug is welded with the bent part. According to the welding structure, the bent part is arranged at one end part of the connecting sheet, and the aluminum anode lug is welded with the bent part, the positioning during welding is simplified, small nickel sheets are not needed, the cost is reduced, the welding efficiency and welding quality are improved, and the position and size accuracy of the nickel anode lug can be improved.

Description

The Welding Structure of battery core brace and positive pole ear
Technical field
The utility model belongs to the lithium ion battery field, relates in particular to the Welding Structure of a kind of battery core brace and positive pole ear.
Background technology
In existing technology, as Fig. 1, in cathode circuit that fuse 3 ' is connected, and be positioned in the closedtop zone 7 ' of battery core 5 ', the anodal aluminium pole ears 4 ' of brace 2 ' and battery core 5 ' is welded into " nickel-aluminium-nickel " hierarchical structure, need to be encased inside little nickel sheet 1 ', with little nickel sheet 1 ', anodal aluminium pole ears 4 ', 2 ' three layers of braces weld together,, to form solid and reliable connection, complete fuse 3 ' is connected in the circuit of anodal aluminium pole ears 4 '.
After completing welding, fuse 3 ' need to be take anodal aluminium pole ears 4 ' root as broken line, carry out 180 degree bendings, fuse 3 ' is gone in the closedtop zone, front 7 ' of battery core 5 ', with the anodal nickel lug 6 ' that meets battery core 5 ' the position dimension accuracy rating with respect to battery core 5 ' side.Such Welding Structure, because the size of little nickel sheet 1 ' is less, the location trouble, complex management, not easy to operate, and, because need fuse 3 ' is gone to battery core 5 ' front after welding, finally cause anodal nickel lug 6 ' poor to the location consistency of battery core 5 ' side, be difficult to meet customer requirement, and production efficiency and excellent rate relatively low.
The utility model content
The purpose of this utility model is: for the deficiencies in the prior art, and provide the Welding Structure of a kind of battery core brace and positive pole ear, the utility model has been simplified the location in the welding process, save little nickel sheet, reduce costs, improve welding efficiency and welding quality, and improved the position dimension precision of anodal nickel lug.
For achieving the above object, the utility model adopts following technical scheme: the Welding Structure of battery core brace and positive pole ear, comprise battery core, switching piece and anodal aluminium pole ears, described anodal aluminium pole ears is arranged at described battery core, described switching piece comprises brace, fuse and anodal nickel lug, described anodal nickel lug is connected with described brace by described fuse, one end of described brace is provided with kink, one end of described anodal aluminium pole ears is embedded in described kink, and described anodal aluminium pole ears and the welding of described kink.
As welded a kind of improvement of battery core brace described in the utility model and positive pole ear, described brace is set to the nickel brace.
As welded a kind of improvement of battery core brace described in the utility model and positive pole ear, described brace is set to aluminium nickel composite joint sheet, and described brace comprises aluminium lamination and nickel dam, and the thickness of described nickel dam and the Thickness Ratio of described aluminium lamination are 2:1.
As welded a kind of improvement of battery core brace described in the utility model and positive pole ear, described fuse is fixedly installed in the closedtop zone of described battery core by bonding agent.
The beneficial effects of the utility model are: the utility model comprises battery core, switching piece and anodal aluminium pole ears, anodal aluminium pole ears is arranged at battery core, switching piece comprises brace, fuse and anodal nickel lug, anodal nickel lug is connected with brace by fuse, one end of brace is provided with kink, one end of anodal aluminium pole ears is embedded in kink, and anodal aluminium pole ears and kink welding.Be provided with kink by the end to brace, and kink and the welding of anodal aluminium pole ears, the location in the welding process simplified, save little nickel sheet, reduce costs, improve welding efficiency and welding quality, and improved the position dimension precision of anodal nickel lug.
Description of drawings
Fig. 1 is that prior art is installed on the structural representation in battery.
Fig. 2 is the structural representation of the utility model while not welding.
Fig. 3 is that the utility model is installed on the structural representation in battery.
Fig. 4 is the structural representation of embodiment 1 of the present utility model.
Fig. 5 is the structural representation of embodiment 2 of the present utility model.
Embodiment
, below in conjunction with embodiment and Figure of description, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Embodiment 1,As shown in Fig. 2 ~ 4, the Welding Structure of battery core brace and positive pole ear, comprise battery core 5, switching piece and anodal aluminium pole ears 4, anodal aluminium pole ears 4 is arranged at battery core 5, switching piece comprises brace 2, fuse 3 and anodal nickel lug 6, and anodal nickel lug 6 is connected with brace 2 by fuse 3, and an end of brace 2 is provided with kink 9, one end of anodal aluminium pole ears 4 is embedded in kink 9, and anodal aluminium pole ears 4 and kink 9 welding.
Preferably, brace 2 is set to the nickel brace, when kink 9 welds with anodal aluminium pole ears 4, kink 9 forms two nickel dam structures, form " nickel-aluminium-nickel " hierarchical structures with anodal aluminium pole ears 4, such structure can realize shunting in welding moment, has optimized welding quality.
Preferably, fuse 3 is fixedly installed in the closedtop zone of battery core 5 by bonding agent, and fuse 3 is connected into cathode circuit.
Embodiment 2,As shown in Fig. 2,3 and 5, as different from Example 1: the brace 2 of the present embodiment is set to aluminium nickel composite joint sheet, and brace 2 comprises aluminium lamination 7 and nickel dam 8, and the Thickness Ratio of the thickness of nickel dam 8 and aluminium lamination 7 is 2:1.
Wherein, the aluminium lamination 7 of aluminium nickel composite joint sheet is at the internal layer of kink 9, and nickel dam 8 is at the skin of kink 9, and when kink 9 welded with anodal aluminium pole ears 4, aluminium lamination 7 contacted with anodal aluminium pole ears 4,, owing to being all aluminum, can reach outstanding welding quality like this.
Other the structure with embodiment 1 is identical, no longer repeats here.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned execution mode.Therefore, the utility model is not limited to above-mentioned embodiment, and every those skilled in the art have done on basis of the present utility model any apparent improvement, replacement or modification all belong to protection range of the present utility model.In addition, although used some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.

Claims (4)

1. the Welding Structure of battery core brace and positive pole ear, comprise battery core, switching piece and anodal aluminium pole ears, described anodal aluminium pole ears is arranged at described battery core, described switching piece comprises brace, fuse and anodal nickel lug, described anodal nickel lug is connected with described brace by described fuse, it is characterized in that: an end of described brace is provided with kink, and an end of described anodal aluminium pole ears is embedded in described kink, and described anodal aluminium pole ears and the welding of described kink.
2. the Welding Structure of battery core brace according to claim 1 and positive pole ear, it is characterized in that: described brace is set to the nickel brace.
3. the Welding Structure of battery core brace according to claim 1 and positive pole ear, it is characterized in that: described brace is set to aluminium nickel composite joint sheet, and described brace comprises aluminium lamination and nickel dam, and the thickness of described nickel dam and the Thickness Ratio of described aluminium lamination are 2:1.
4. the Welding Structure of battery core brace according to claim 1 and positive pole ear, it is characterized in that: described fuse is fixedly installed in the closedtop zone of described battery core by bonding agent.
CN2013202786556U 2013-05-21 2013-05-21 Welding structure for core connecting sheet and anode lug Expired - Lifetime CN203288678U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013202786556U CN203288678U (en) 2013-05-21 2013-05-21 Welding structure for core connecting sheet and anode lug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013202786556U CN203288678U (en) 2013-05-21 2013-05-21 Welding structure for core connecting sheet and anode lug

Publications (1)

Publication Number Publication Date
CN203288678U true CN203288678U (en) 2013-11-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013202786556U Expired - Lifetime CN203288678U (en) 2013-05-21 2013-05-21 Welding structure for core connecting sheet and anode lug

Country Status (1)

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CN (1) CN203288678U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105428582A (en) * 2015-12-30 2016-03-23 苏州科纽普新能源科技有限公司 Rapid connection structure of batteries in battery set
CN110690401A (en) * 2018-07-05 2020-01-14 东莞新能源科技有限公司 Battery structure, battery and preparation method thereof
CN114083166A (en) * 2021-11-03 2022-02-25 湖南立方新能源科技有限责任公司 Cell tab bonding wire process and cell tab bonding wire structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105428582A (en) * 2015-12-30 2016-03-23 苏州科纽普新能源科技有限公司 Rapid connection structure of batteries in battery set
CN105428582B (en) * 2015-12-30 2017-11-28 苏州科纽普新能源科技有限公司 A kind of internal battery pack battery fast joint structure
CN110690401A (en) * 2018-07-05 2020-01-14 东莞新能源科技有限公司 Battery structure, battery and preparation method thereof
CN114083166A (en) * 2021-11-03 2022-02-25 湖南立方新能源科技有限责任公司 Cell tab bonding wire process and cell tab bonding wire structure

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CX01 Expiry of patent term

Granted publication date: 20131113

CX01 Expiry of patent term