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Battery

A battery and cell technology, applied in the field of lithium-ion secondary batteries, can solve the problems of low reliability of batteries

Active Publication Date: 2010-11-03
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of low reliability of existing batteries, and provide a battery with high reliability

Method used

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Embodiment Construction

[0013] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0014] According to an embodiment of the present invention, a battery is provided, wherein the improvement of the battery provided by the present invention compared with the prior art mainly involves the connection mode between the battery cell and the connection structure (specifically, the protection circuit board 4), Other structures of the battery can be the same as those of various existing secondary batteries, such as lithium ion secondary batteries. Therefore, for the sake of brevity, in the description of the present application, the description of the connection relationship between the battery cell and the connection structure is emphasized, and other contents belonging to the prior art are briefly described or omitted.

[0015] Such as Figure 2 to Figure 6 As shown, the battery according to the embodiment of the present invention ...

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Abstract

The invention discloses a battery, comprising a battery cell (1) and a connection structure (2) connected with the battery cell (1), wherein the battery cell (1) is provided with a first electrode and a second electrode; the connection structure (2) comprises a connector (3) and a protective circuit board (4) fixedly connected with the connector (3); the protective circuit board (4) is provided with a first electrode end (10) and a second electrode end which are respectively connected with the first electrode and the second electrode electrically; the first electrode end is electrically connected with the first electrode of the battery cell (1) by a connecting piece (9); and one end of the connecting piece (9) is electrically connected with the first electrode end (10) of the protective circuit board (4) and the other end thereof compresses the first electrode of the battery cell (1) tightly. The battery provided by the invention can ensure connection between the battery cell and the connection structure to be simpler, more convenient and more reliable.

Description

technical field [0001] The present invention relates to the battery field, and more specifically, relates to a battery, such as a lithium ion secondary battery. Background technique [0002] In recent years, with the rapid development of electronic terminal products, such as mobile phones, notebook computers, electric tools, etc., new requirements have been put forward for batteries as power sources in various aspects. For example, the battery structure is required to be more compact and the assembly is simpler. , more reliable performance and larger capacity. [0003] Such as figure 1 As shown, the battery includes a cell 1 and a connection structure 2 connected to the cell 1 , and the connection structure 2 includes a connector 3 and a protective circuit board 4 disposed in the connector 3 . However, a defect that often occurs in existing batteries is that the electrical connection is unreliable, which causes the battery to fail to work normally and be scrapped. Therefo...

Claims

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Application Information

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IPC IPC(8): H01M10/00H01M10/36H01M10/40H01M2/26H01M10/42H01M2/34H01R13/22H01R33/94H01M50/531H01M50/59
CPCY02E60/10
Inventor 杨绍理张中林
Owner BYD CO LTD