Lithium ion conductive material, lithium ion conductive electrolyte membrane, lithium ion conductive electrolyte membrane-electrode assembly, and lithium ion polymer battery

摘要

PROBLEM TO BE SOLVED: To provide a lithium ion conductive electrolyte membrane high in ion conductivity and excellent in durability and safety.SOLUTION: The lithium ion conductive material includes: a coupling body of a structure (A) containing a lithium ion conductive action part and a structure (B) containing a polyfunctional group; and a lithium ion electrolyte (C). In the coupling body, the structure (B) is bonded with a plurality of structure (A). The structure (A) is a chain molecule having an anionic, nonionic, cationic or zwitter-ionic functional group. The structure (B) is an approximately spherical three-dimensional structure in which a crosslinking agent containing at least a compound having three or more unsaturated bonds is bonded, the structure (A) is bonded on the surface of the three-dimensional structure to form a layer structure, and the lithium ion electrolyte (C) is contained in a cavity of the layer structure.