POLYOLEFIN MICROPOROUS MEMBRANE, METHOD FOR PRODUCING SAME, SEPARATOR FOR NONAQUEOUS SECONDARY BATTERY AND NONAQUEOUS SECONDARY BATTERY
DRIVE
January 30, 2013
The present invention provides a polyolefin microporous membrane in which a degree of crystallinity is from 60 to 85%, and a tie molecular volume fraction is from 0.7 to 1.7%.
Discussion in the ATmosphere