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Battery cover plate and processing method thereof

A battery cover and substrate technology, applied in the directions of battery cover/end cover, battery pack components, battery box/jacket, etc., can solve the problems of poor sealing performance, difficult processing, and easy corrosion of battery cover, and achieve easy processing. , not easy to corrode, the effect of excellent sealing performance

Pending Publication Date: 2017-11-24
湖南三迅新能源科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a battery cover and its processing method in view of the technical problems of poor sealing performance, easy corrosion and difficult processing of the battery cover in the prior art

Method used

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  • Battery cover plate and processing method thereof
  • Battery cover plate and processing method thereof

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Embodiment Construction

[0036] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0037] Such as figure 1 As shown, the battery cover provided by an embodiment of the present invention includes a substrate 1 , a positive pole 2 , a negative pole 3 , a positive seal 4 and a negative seal 5 . The substrate 1 is respectively provided with a positive pole hole 101 for placing the positive pole 2 and a negative pole hole 102 for placing the negative pole 3 . The positive sealing assembly 4 is disposed between the substrate 1 and the positive pole 2 , and the negative sealing assembly 5 is disposed between the substrate 1 and the negative pole 3 , so that ...

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Abstract

The invention belongs to the technical field of a battery, and relates to a battery cover plate and a processing method thereof. The battery cover plate comprises a substrate, a positive pole post, a negative pole post, a positive sealing assembly and a negative sealing assembly, wherein a positive pole post hole and a negative pole post hole are formed in the substrate, the positive pole post is arranged in the positive pole post hole, the negative pole post is arranged in the negative pole post hole, a first annular boss is arranged at an outer circle of an upper part of the positive pole post, a second annular boss is arranged at an outer circle of an upper part of the negative pole post, a first fixed block is arranged at a middle part of the positive pole post, a second fixed block is arranged at a middle part of the negative pole post, the positive sealing assembly is arranged between the substrate and the positive pole post, the negative sealing assembly is arranged between the substrate and the negative pole post, the positive sealing assembly comprises a first positive sealing piece and a second positive sealing piece, and the negative sealing assembly comprises a first negative sealing piece and a second negative sealing piece. The battery cover plate is stable in sealing performance and simple in structure, and is difficult to corrode and easy to process.

Description

technical field [0001] The invention belongs to the technical field of batteries, in particular to a battery cover plate and a processing method thereof. Background technique [0002] Power batteries are the development direction of new energy vehicles and energy storage power stations, so the safety of batteries is very important. As an important part of the power battery, the battery cover determines the sealing performance and insulation performance of the power battery. During long-term use or storage of lithium-ion power batteries, due to the poor sealing performance of the battery cover, the electrolyte will corrode the battery cover, resulting in adverse reactions such as leakage. [0003] In addition, the battery cover in the prior art usually has a ceramic ring around the pole as an insulator, and the ceramic ring is fixed by a retaining spring, and then a sealing layer is provided on the outside of the insulator and the retaining spring, so as to realize the insul...

Claims

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Application Information

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IPC IPC(8): H01M2/04H01M2/08H01M2/30H01M50/147H01M50/184H01M50/188H01M50/195H01M50/552
CPCH01M50/166H01M50/148H01M50/155H01M50/147H01M50/183H01M50/543Y02E60/10
Inventor 施汉议梁世硕周文对蒋水连朱力强赵凯翔
Owner 湖南三迅新能源科技有限公司
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