Lithium-ion secondary battery porous membrane composition, the lithium ion secondary battery separator, a lithium ion secondary battery electrode, a lithium ion secondary battery, for the production method and a lithium ion secondary battery separator for a lithium ion secondary battery method of manufacturing an electrode

And non-conductive particles, a water-soluble thickener having a hydroxyl group and / or carboxyl group (A), carbodiimide compound crosslinking agent (B), and for lithium-ion secondary battery comprising a particulate polymer (C) a porous membrane composition, the particulate polymer (C) has a functional group reactive with the carbodiimide compound crosslinking agent (B).