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Battery module

A battery module and battery cell technology, applied in the direction of batteries, battery pack components, circuits, etc., can solve problems such as bag deformation, and achieve the effect of ensuring safety and improving safety.

Active Publication Date: 2021-11-09
LG ENERGY SOLUTION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since it operates depending on whether the pressure inside the battery cell rises, there is a problem of pouch deformation in the case of a pouch type battery cell

Method used

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Embodiment Construction

[0032] Hereinafter, various embodiments of the present disclosure will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement them. The present disclosure may be modified in various different ways and is not limited to the embodiments set forth herein.

[0033] Furthermore, throughout the application, when a section is referred to as "comprising" an element, it means that the section can further include other elements, but does not exclude other elements, unless stated otherwise.

[0034] Furthermore, throughout this application, when referred to as a "planar", it means when the target portion is viewed from the top, and when referred to as a "section", it means when the target portion is viewed from one side of a vertically cut cross-section Time.

[0035] figure 1 is an enlarged view of a part of a battery module according to an exemplary embodiment of the present disclosure.

[0036] refer to figure 1 ,...

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PUM

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Abstract

A battery module according to one embodiment of the present invention comprises: a plurality of battery cells; and a bus bar which electrically connects the plurality of battery cells, wherein the bus bar comprises: a bus bar body; and a safety portion inserted into a part of the bus bar body and surrounded by the bus bar body, the safety portion including a bulk expansion resin, a conductive material, and an adhesive.

Description

technical field [0001] CROSS-REFERENCE TO RELATED APPLICATIONS [0002] This application claims the benefit of priority from Korean Patent Application No. 10-2018-0161298 filed on December 13, 2018, the entire disclosure of which is incorporated herein by reference. [0003] The present disclosure relates to a battery module, and more particularly, to a battery module including a safety-improved bus bar. Background technique [0004] Since secondary batteries are easily applied to various product groups and have electrical characteristics such as high energy density, secondary batteries are commonly used not only in portable devices but also in electric vehicles or hybrids driven by electric drive sources Electric vehicles, energy storage systems, etc. Since secondary batteries offer the main advantage of significantly reducing the use of fossil fuels and also generate no by-products from the use of energy at all, secondary batteries are attracting attention as a new envi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M50/507H01M50/258H01M50/209H01M50/249H01M50/581H01M50/521H01M50/211H01M50/50H01M50/574
CPCY02E60/10H01M50/581H01M50/204H01M10/42H01M50/209H01M50/211H01M50/553H01M50/507H01M50/50H01M50/574H01M2200/10H01M2220/20H01M50/521H01M50/552H01M2200/00
Inventor 李汉荣李京珉郑凡永
Owner LG ENERGY SOLUTION LTD