SLURRY FOR LITHIUM ION SECONDARY BATTERY POROUS FILM, PRODUCTION METHOD THEREFOR, SEPARATOR FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

摘要

A slurry for a lithium ion secondary battery porous film, that: includes non-conductive particles, a water-soluble polymer having an acidic group-containing monomer unit, and a particulate polymer; has a water-soluble polymer content of 0.05-2 parts by weight relative to 100 parts by weight non-conductive particles; and has a non-conductive particle BET specific surface area of 5-10 m2/g.