BATTERY CELL AND MANUFACTURING METHOD OF THE SAME

Abstract: the present disclosure relates to a separator for secondary batteries, the separator including: a porous substrate layer; and a fusion layer laminated to a preset fusion thickness on at least one area of one or both surfaces of the porous substrate layer and including polymer particles having a glass transition temperature higher than or equal to 30� c. or lower than or equal to 90� c., an electrode assembly including the same, and a method of manufacturing the electrode assembly.

Inventor(s): Dong Jin JOO, Soo Im GOO, Whee Sung KIM

CPC Classification: H01M50/457 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY)

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