BATTERY MODULE AND ASSEMBLY METHOD THEREFOR

WIPO Patent Application WO/2023/234594

A1

A method of assembling a battery module according to the present invention comprises: a sub-frame providing step in which a sub-frame having a plate shape is provided; a cell block seating step in which a cell block formed by coupling a plurality of battery cells is seated on the upper surface of the sub-frame; a preliminary assembly step in which a main frame having a cross-section with one opened side and three closed surfaces is preliminary fixed on the sub-frame so that the cell block can be accommodated in the main frame; and a welding step in which a contact point between the main frame and the sub-frame is welded. A battery module according to the present invention comprises: a sub-frame having a plate shape; a cell block which is formed by coupling a plurality of battery cells and is seated on the upper surface of the sub-frame; and a main frame having a cross-sectional shape with one opened surface and three closed surfaces, coupled to the sub-frame so that the opened side can be closed by the sub-frame, and accommodating the cell block therein, wherein the main frame and the sub-frame are bonded and fixed via welding.

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WO/2024/019421	BATTERY PACK, AND DEVICE INCLUDING SAME
JP2022531793	Battery module manufacturing equipment and battery module manufacturing method

PARK JIN WOO (KR)
CHOI YUN HO (KR)
LEE CHANG JE (KR)
KIM TAE WOOK (KR)

PCT/KR2023/006562

December 07, 2023

May 15, 2023

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LG ENERGY SOLUTION LTD (KR)

H01M50/211; B23K26/21; B23K26/382; H01M10/613; H01M10/655; B23K101/36

KR20220043375A	2022-04-05
KR102386201B1	2022-04-12
KR102117848B1	2020-06-02
KR20220064829A	2022-05-19
KR20220011500A	2022-01-28

BAE, KIM & LEE IP (KR)

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