BATTERY MODULE HAVING STRUCTURE INTO WHICH COOLING WATER CAN BE INTRODUCED WHEN THERMAL RUNAWAY PHENOMENON OCCURS, AND BATTERY PACK AND ENERGY STORAGE DEVICE COMPRISING SAME

Title:

BATTERY MODULE HAVING STRUCTURE INTO WHICH COOLING WATER CAN BE INTRODUCED WHEN THERMAL RUNAWAY PHENOMENON OCCURS, AND BATTERY PACK AND ENERGY STORAGE DEVICE COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2021/006560

Kind Code:

A1

Abstract:

A battery module, according to an embodiment of the present invention, comprises: a plurality of battery cells; a module housing for accommodating a cell stack formed by stacking the plurality of battery cells; an air inlet formed through the module housing on one side in the stacking direction of the cell stack; an air outlet formed through the module housing on the other side in the stacking direction of the cell stack; and an expansion pad disposed inside the air inlet and the air outlet, and expanding according to contact with cooling water introduced into the battery module to close the air inlet and the air outlet.

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Inventors:

KWON MIN-HO (KR)
RYU JAE-UK (KR)
YOU JUNG-BEEN (KR)
KONG JIN-HAK (KR)

Application Number:

PCT/KR2020/008737

Publication Date:

January 14, 2021

Filing Date:

July 03, 2020

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

H01M10/6567; A62C2/06; A62C3/16; H01M10/48; H01M10/613; H01M10/627; H01M10/63

Foreign References:

JP2015153616A	2015-08-24
KR20170084606A	2017-07-20
KR20180007241A	2018-01-22
KR20150094030A	2015-08-19
JP5200119B2	2013-05-15
KR20190082288A	2019-07-09

Other References: