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Secondary battery packs, electronic devices and power tools

一种电池组、电极端子的技术，应用在二次电池、电池组零部件、电池等方向，能够解决二次电池劣化、热量积聚、爆炸等问题，达到改善安全性、确保安全性、防止起火或爆炸的效果

Active Publication Date: 2022-07-08
LG ENERGY SOLUTION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, if the heat of the secondary battery generated during the charging process and the discharging process cannot be effectively removed, heat accumulation may occur
In addition, deterioration of the secondary battery is promoted, and in some cases, fire or explosion may occur

Method used

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  • Secondary battery packs, electronic devices and power tools
  • Secondary battery packs, electronic devices and power tools
  • Secondary battery packs, electronic devices and power tools

Examples

Experimental program
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Embodiment Construction

[0055] Hereinafter, preferred embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. Before the description, it should be understood that the terms used in the specification and the appended claims should not be construed as limited to their ordinary and dictionary meanings, but rather in accordance with principles that allow the inventor to define terms appropriately for best interpretation On the basis, explanations are made based on meanings and concepts corresponding to the technical aspects of the present disclosure.

[0056] Therefore, the descriptions presented herein are only preferred examples for illustrative purposes and are not intended to limit the scope of the present disclosure, and therefore it should be understood that other equivalent substitutions and modifications may be made thereto without departing from the scope of the present disclosure. .

[0057] figure 1 is a perspective view schematically sh...

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Abstract

The secondary battery pack according to the present invention includes: a plurality of cylindrical battery cells arranged in one direction, each cylindrical battery cell having electrode terminals formed on one end and the other end thereof, respectively; and a connection plate configured to a plurality of cylindrical battery cells are electrically connected to each other; a battery pack case in which an inner space is formed so that the plurality of cylindrical battery cells are mounted when their electrode terminals are in a horizontal direction; a thermally conductive resin, it is interposed between an inner surface forming an inner space of a battery pack case and an outer surface of the plurality of cylindrical battery cells; and a cell frame configured to at least partially surround an upper portion of the plurality of cylindrical battery cells and a plurality of cylindrical battery cells The outer surface of the cylindrical battery cell is formed with both ends of the electrode terminals, the cell frame is formed with an opening for the electrode terminal to protrude outward, and at least a part of the edge of the opening protrudes / extends in the outward direction, thereby forming the anti-coating portion.

Description

technical field [0001] The present disclosure relates to a secondary battery pack including a cell frame having an anti-coating portion, and more particularly, to a secondary battery pack in which heat dissipation characteristics and safety are effectively improved. [0002] This application claims priority to Korean Patent Application No. 10-2018-0085620 filed in Korea on Jul. 23, 2018, the disclosure of which is incorporated herein by reference. Background technique [0003] Currently commercialized secondary batteries include nickel-cadmium batteries, nickel-hydrogen batteries, nickel-zinc batteries, lithium secondary batteries, and the like. Among these secondary batteries, lithium secondary batteries are more prominent due to advantages such as free charge and discharge due to substantially no memory effect, very low self-discharge rate, and high energy density compared to nickel-based secondary batteries. [0004] Secondary batteries are highly applicable to various p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M50/213H01M10/653H01M50/30H01M10/643H01M10/623H01M50/227H01M50/271H01M50/503H01M50/505H01M50/522
CPCH01M10/643H01M10/653Y02E60/10H01M10/6235H01M50/247H01M50/244H01M50/213H01M2220/30H01M50/30H01M50/227H01M50/505H01M50/271H01M50/522H01M50/503H01M10/623H01M50/3425
Inventor 李泰奎崔范
Owner LG ENERGY SOLUTION LTD
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