#H01M50/494

IMPROVED STRENGTH MICROPOROUS MEMBRANES, SEPARATOR MEMBRANES, BASE FILMS, AND BATTERY SEPARATORS

An improved strength microporous membrane is described herein. The microporous membrane may be useful as a battery separator, separator membrane, base film, or membrane with a variety of uses thereof.…

DRIVE·Mar 5·1 min read

H01M50/494 CELGARD, LLC

LITHIUM SECONDARY BATTERY INCLUDING Si-BASED ANODE ACTIVE MATERIAL

Provided is a lithium secondary battery with reduced Hi-pot defects and improved capacity retention rate. According to one aspect of the present disclosure, there is provided a lithium secondary batte…

DRIVE·Aug 8·1 min read

H01M50/494 LG ENERGY SOLUTION, LTD.

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY SEPARATOR, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY MEMBER, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

A nonaqueous electrolyte secondary battery separator having excellent impact absorbency includes a polyolefin porous film having a full width W at half maximum of a peak of an MD component of not less…

DRIVE·Oct 13·2 min read

H01M50/494 Sumitomo Chemical Company, Limited