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Battery

A battery and cell technology, which is applied to secondary batteries, battery pack parts, battery boxes/coats, etc., can solve the problems of cylindrical power batteries that are prone to leakage, and achieve reduced risk of leakage, good sealing, and reduced The effect of manufacturing costs

Pending Publication Date: 2022-01-21
ZHUHAI COSMX BATTERY CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this application is to provide a battery for solving the problem of liquid leakage at both ends of a cylindrical power battery

Method used

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  • Battery
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Embodiment Construction

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0048] see Figure 1-Figure 12 , Figure 11 It is an explosion diagram of a battery provided in the embodiment of the present application, figure 1 It is a schematic structural diagram of a battery end cap provided in an embodiment of the present application, as shown in figure 1 with Figure 11 As shown, the above-mentioned battery includes a battery end cover, a battery outer cylinder 61 and a battery cell assembly 62 .

[0049] The battery cell assembly 62 is accomm...

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Abstract

The invention provides a battery, which comprises a battery end cover, a battery outer cylinder and a battery core assembly, wherein the battery core assembly is accommodated in the battery outer cylinder, the battery end cover is connected to an opening in the end portion of the battery outer cylinder in a sealing manner, the battery core assembly is connected with the battery end cover through an adapter sheet, the battery end cover comprises an end cover body, a pole column and a first insulating pad, the pole column comprises a disc part and a column part extending out of the disc part, a through hole is formed in the end cover body, the column part is arranged in the through hole in a penetrating manner, and the end cover body and the pole column are connected in a sealed mode through the first insulating pad. Through the arrangement of the first insulating pad, related accessories in a traditional riveting mode are replaced, and the end cover body and the pole column are firmly connected while the joint of the end cover body and the pole column can keep relatively good sealing performance, so that the risk of liquid leakage at the end cover of the battery is reduced, and the manufacturing cost of the lithium ion battery is reduced.

Description

technical field [0001] The present application relates to the technical field of batteries, in particular to a battery. Background technique [0002] In recent years, the new energy vehicle industry has developed rapidly. Cylindrical power batteries, as the heart of electric vehicles, are the key to the development of the new energy vehicle industry. [0003] In actual application, the two ends of the cylindrical power battery are prone to liquid leakage. The leaked electrolyte will not only reduce the capacity of the cylindrical power battery, but also cause corrosion to the surrounding environment and equipment of the cylindrical power battery. Contents of the invention [0004] The purpose of the present application is to provide a battery for solving the problem of liquid leakage at both ends of a cylindrical power battery. [0005] In the first aspect, the embodiment of the present application provides a battery, including: [0006] Battery end caps, battery outer b...

Claims

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Application Information

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IPC IPC(8): H01M50/188H01M50/184H01M50/179H01M50/152H01M50/107H01M10/0525
CPCH01M50/188H01M50/184H01M50/179H01M50/152H01M50/107H01M10/0525Y02E60/10
Inventor 何伊周仕昌曾玉祥
Owner ZHUHAI COSMX BATTERY CO LTD
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