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Battery assembly method

A battery assembly and battery technology, which is applied in secondary battery manufacturing, battery pack components, circuits, etc., can solve the problems of high risk of tab plastic fracture and high cost of tooling, achieve low thermal conductivity requirements, reduce tooling costs, reduce The effect of small impact

Pending Publication Date: 2022-08-05
ENVISION DYNAMICS TECH (JIANGSU) CO LTD +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide a battery assembly method to solve the problems of high cost of tooling and high risk of tab shaping and fracture in the prior art

Method used

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Embodiment Construction

[0054] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

[0055] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship ...

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Abstract

The invention relates to the technical field of secondary batteries, in particular to a battery assembly method. According to the battery assembly method, the adapter piece with the two tab connecting parts is matched with the tabs of the battery cell in the motor assembly, the adapter piece is supported by the tool, and the tab connecting parts are perpendicular to the main body part and are far away from the battery cell, so that when the tabs and the tab connecting parts are welded and fixed, welding heat is not easy to transfer to the battery cell, and the battery assembly efficiency is improved. Meanwhile, the tool is mainly used for supporting the switching piece, the requirement for the heat conduction performance of the switching piece is low, and therefore the tool cost can be reduced.

Description

technical field [0001] The present invention relates to the technical field of secondary batteries, in particular to a battery assembly method. Background technique [0002] In the prior art, the tabs of the battery are connected with the poles of the cover plate through the adapter plate. During the battery manufacturing process, the tabs are usually positioned and bent first; then the tabs are welded to the adapter plate by using a laser link. . In the process of this method, because there is no spacer protection between the adapter and the cell, the heat generated by laser welding can easily affect the performance of the battery; in addition, the tab is shaped by folding the tab, because the thickness of the adapter is relatively thick. Thick, the contact position of the lug and the adapter plate is easy to increase the risk of tab breakage. [0003] Therefore, there is an urgent need for a battery assembly method to solve the above problems. SUMMARY OF THE INVENTION ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/04H01M50/566
CPCH01M10/0404H01M50/566Y02P70/50
Inventor 车佩佩
Owner ENVISION DYNAMICS TECH (JIANGSU) CO LTD
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