MULTI-STAGE COOLING-TYPE BATTERY MODULE, AND BATTERY PACK AND VEHICLE INCLUDING SAME

Title:

MULTI-STAGE COOLING-TYPE BATTERY MODULE, AND BATTERY PACK AND VEHICLE INCLUDING SAME

Document Type and Number:

WIPO Patent Application WO/2021/246605

Kind Code:

A1

Abstract:

Provided are a battery module and a battery pack including same to delay an ignition phenomenon during thermal runaway of a battery cell inside the battery module. The battery module according to the present invention comprises: a module case; one or more battery cells located inside the module case; two or more refrigerant ejection nozzles for ejecting a refrigerant into the module case; and a refrigerant tank which is connected to the refrigerant ejection nozzles, wherein a low-melting-point metal valve is mounted at the inlet of each of the refrigerant ejection nozzles, and for each of the nozzles, the low-melting-point metal valve has a different melting point.

Inventors:

YOON DOO-HAN (KR)

Application Number:

PCT/KR2021/000503

Publication Date:

December 09, 2021

Filing Date:

January 13, 2021

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

H01M10/6567; H01M10/613; H01M10/625; H01M10/637; H01M10/651; H01M10/6569; H01M50/20

Foreign References:

CN209859996U	2019-12-27
EP0014786A1	1980-09-03
JPH08107943A	1996-04-30
KR20200030966A	2020-03-23
KR20180113809A	2018-10-17
KR20200066431A	2020-06-10

Other References: