Conductive part for connecting batteries, battery connecting method and battery pack

A technology of conductive parts and connection methods, which is applied in the connection of electrical parts, battery pack parts, connections, etc., can solve the problems of large bending stress and torsional stress, short service life of connecting pieces, bending deformation of connecting pieces, etc., to eliminate bending Stress and torsional stress, extended service life, and the effect of strong stretchability

Inactive Publication Date: 2010-09-08
湖南科霸汽车动力电池有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the loading and operation of the battery pack, collisions and extrusions between adjacent batteries often occur, resulting in large bending stress and torsional stress, causing the connecting piece to bend, deform, or even break, and the service life of the connecting piece is short

Method used

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  • Conductive part for connecting batteries, battery connecting method and battery pack
  • Conductive part for connecting batteries, battery connecting method and battery pack
  • Conductive part for connecting batteries, battery connecting method and battery pack

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] refer to figure 1 , the conductive part 1 of the present embodiment comprises 20 sheets of metal sheets 3, the thickness of the metal sheets 3 is 0.05mm, the two ends of these metal sheets are formed by pressure welding (i.e. as a whole), the middle part is a free arch, and the two ends of the conductive parts A through hole 2-1, 2-2 is opened respectively.

[0017] The experiment found that under the same test conditions of the battery extrusion operation, the above-mentioned conductive parts did not break, and the battery operated normally, while the connecting pieces of ordinary conductive parts were completely broken, and the battery could no longer work normally.

[0018] refer to figure 2 , using as figure 1 The shown conductive member 1 connects the positive and negative poles between the two batteries 4-A and 4-B to form a battery pack 5 .

Embodiment 2

[0020] The conductive component 1 in this embodiment includes 10 pieces of thin metal sheets 3 with a thickness of 0.3 mm. The rest are the same as embodiment 1.

[0021] The experiment found that under the same test conditions of the battery extrusion operation, the above-mentioned conductive parts did not break, and the battery operated normally, while the connecting pieces of ordinary conductive parts were completely broken, and the battery could no longer work normally.

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Abstract

The invention relates to a conductive part for connecting batteries, a battery connecting method and a battery pack. The conductive part comprises at least one metal sheet, the middle part of which takes on a free arch shape; the two ends of the metal sheet are provided with through holes; and the conductive part is respectively connected with a positive pole and a negative pole of the two batteries, so that the battery pack is formed. The conductive part can effectively eliminate the bending stress and the distorting stress between the batteries, prolongs the service life of a conductive connecting piece and improves the performance of the batteries.

Description

technical field [0001] The invention relates to a conductive component for battery external connection, a battery connection method and a battery pack formed by connecting the conductive component. Background technique [0002] The conductive connecting piece between two batteries in the existing battery pack is a piece of hard metal, which is flattened and has limited bending allowable stress and strength. During the loading and operation of the battery pack, collisions and extrusions between adjacent batteries often occur, resulting in large bending stress and torsional stress, causing the connecting piece to bend, deform, or even break, and the service life of the connecting piece is short. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned defects in the prior art, and provide a conductive part connected to the outside of the battery that is not easy to break and has a long service life, a connection method and a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/20H01R11/01H01M50/503
CPCY02E60/10
Inventor 刘卫军韩念龙谭龙海石建珍谢红雨
Owner 湖南科霸汽车动力电池有限责任公司
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