MICROPOROUS MEMBRANE, BATTERY SEPARATOR, AND BATTERY

摘要

This microporous membrane contains copolymerized high-density polyethylene and high-density polyethylene, wherein the content of α-olefin units having at least three carbon atoms in the microporous membrane is 0.01-0.6 mol% inclusive and the viscosity-average molecular weight of the microporous membrane is less than 300,000. This battery separator includes the microporous membrane. This battery includes the battery separator.