abstract |
It contains non-conductive particles, a water-soluble polymer having an acidic group-containing monomer unit, and a particulate polymer, wherein the amount of the water-soluble polymer is 0.05 to 2 parts by weight based on 100 parts by weight of the non-conductive particles, and the non-conductive particles A slurry for a porous film of a lithium ion secondary battery, having a BET specific surface area of 5 m 2 /g to 10 m 2 /g. |