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Battery shell

A technology for battery shells and shells, which is applied to battery pack parts, battery boxes/coats, circuits, etc., which can solve the problems of inconvenient welding and low welding efficiency, and achieve the effect of facilitating welding and improving welding efficiency

Pending Publication Date: 2017-05-17
无锡市金杨新材料股份有限公司
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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 address the above problems and provide a battery case to solve the problems of inconvenient welding and low welding efficiency when the shell and cover plate of the existing battery case are assembled.

Method used

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Embodiment Construction

[0017] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the embodiments described here are only used to explain the present invention, but not to limit the present invention.

[0018] Please refer to figure 2 and image 3 as shown, figure 2 It is a structural schematic diagram of a battery case of the present invention; image 3 Yes figure 2 An enlarged view of a battery case shown at A.

[0019] In this embodiment, a battery case includes a square-shaped shell 21 and a square-shaped cover plate 22. The shell 21 includes a bottom plate arranged horizontally, and a front side plate and a rear side plate vertically arranged around the bottom plate. plate, left side plate, right side plate, the bottom plate is integrated with the front side plate, rear side plate, left side plate, and right side plate, and the inner wall a...

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Abstract

The invention discloses a battery shell. The battery shell comprises a shell body of a square structure and a cover plate of a square structure, wherein an opening is formed in the upper end of the shell body, a positioning notch is arranged at the opening, a depth of the positioning notch is identical to a height of the cover plate, the cover plate is arranged in the positioning notch of the shell body, and an upper end surface of the cover plate is leveled to the upper end surface of the shell body. The battery shell is provided with the positioning notch at the opening, the cover plate is arranged in the positioning notch, and the upper end surface of the cover plate is leveled to the upper end surface of the shell body, so that each weld joint is disposed at the upper end surface of the shell body, stays at a same plane and is convenient to weld, and the welding efficiency is greatly increased.

Description

technical field [0001] The invention relates to the field of batteries, in particular to a battery case. Background technique [0002] A lithium-ion battery is a rechargeable battery that primarily relies on the movement of lithium ions between the positive and negative electrodes to function. During the charging and discharging process, Li+ intercalates and deintercalates back and forth between the two electrodes: when charging the battery, Li+ is deintercalated from the positive electrode, inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true when discharging. Due to the characteristics of small size, light weight, strong power, and environmental protection, lithium-ion batteries have been widely used in industrial production and daily life. [0003] The battery case is an important part of the lithium-ion battery. The existing square-structured battery case is composed of a case and a cov...

Claims

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Application Information

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IPC IPC(8): H01M2/02
CPCH01M50/103H01M50/10Y02E60/10
Inventor 周勤勇杨建林滕澄红
Owner 无锡市金杨新材料股份有限公司
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