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Battery module

A battery module and cell module technology, which is applied to battery components, circuits, electrical components, etc.

Pending Publication Date: 2022-07-05
JIANGSU ZENIO NEW ENERGY BATTERY TECH 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 provide a battery module with a strip-shaped welding track between the tab and the pole, and a high controllability of the welding process, which can effectively solve the limitation of the circular welding when the pole size is small, and ensure welding quality and efficiency

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Embodiment Construction

[0040] 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.

[0041] Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary ski...

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Abstract

The invention discloses a battery module, and relates to the technical field of batteries. The battery module comprises a battery cell module and a plurality of bars, the battery cell module comprises a plurality of battery cells which are arranged in a stacked manner, pole columns of the plurality of battery cells are electrically connected through the plurality of bars, and after the plurality of battery cells are electrically connected, the remaining two pole columns with opposite polarities are respectively output through one bar; two alignment holes are formed in the position, opposite to each pole, of each sheet; the bar pieces are welded with the corresponding pole columns, and the welding track is arranged between the two corresponding alignment holes in a long strip shape. When the bars of the battery module are matched with the corresponding poles, a welding track can be determined through the positions of the alignment holes, so that long-strip welding can be realized, the problem of limitation of annular welding when the sizes of the poles are small is solved, and the welding efficiency can be ensured; and the welding operation state can be observed conveniently through the alignment holes, and the welding quality is guaranteed.

Description

technical field [0001] The present invention relates to the technical field of batteries, and in particular, to a battery module. Background technique [0002] Power lithium-ion batteries are widely used in electric vehicle battery pack systems in the new energy industry due to their high energy density and low-carbon use characteristics. Security trials and challenges. [0003] At present, the battery cells of each battery module of the battery pack are connected and fixed by means of bolts; or laser welding is used to open holes in the middle of the poles corresponding to the battery cells. , the laser welding position is in the annular area on the edge of the through hole. However, when the size of the poles of the cells is small or the size of the poles in the width direction is too narrow, the intermediate annular welding method used for the connection between the cells cannot be realized. SUMMARY OF THE INVENTION [0004] The purpose of the present invention is to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M50/505
CPCH01M50/505Y02E60/10
Inventor 张鹏邓江南杜俊丰金佺良於洪将
Owner JIANGSU ZENIO NEW ENERGY BATTERY TECH CO LTD