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1. (WO2018099396) HEAT ABSORPTION AND HEAT INSULATION STRUCTURE OF BATTERY MODULE

Pub. No.:    WO/2018/099396    International Application No.:    PCT/CN2017/113558
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Nov 30 00:59:59 CET 2017
IPC: H01M 10/613
H01M 10/625
H01M 10/653
Applicants: BEIJING KEY POWER TECHNOLOGIES CO., LTD.
北京科易动力科技有限公司
Inventors: LI, Liguo
李立国
HUA, Jianfeng
华剑锋
TIAN, Shuo
田硕
Title: HEAT ABSORPTION AND HEAT INSULATION STRUCTURE OF BATTERY MODULE
Abstract:
Provided by the present invention are a heat absorption and heat insulation structure of a battery module, comprising: a packaging material, having a first cavity therein; and a heat absorbing agent, disposed in the first cavity, the heat absorbing agent being capable of absorbing heat to generate gas. In applying the technical solution of the present invention, after the heat absorption and heat insulation structure is disposed between two adjacent battery cells, if one battery cell experiences thermal runaway, the heat generated by said battery cell may be conducted to the heat absorbing agent of the packaging material; the heat absorbing agent will vaporize after absorbing the heat, and the generated gas may carry a large amount of heat to the outside of the battery module, thereby preventing the damaged battery cell from transferring a large amount of heat to the adjacent battery cell and causing further damage. Therefore, by means of the technical solution of the present invention, heat conduction between adjacent battery cells may be reduced, and diffusion of thermal runaway may be avoided, thereby guaranteeing the safety of the battery module.