ION CONDUCTIVE MATERIAL, ION CONDUCTING POLYMER COMPOSITE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, FUEL CELL, METHOD OF PRODUCING ION CONDUCTIVE MATERIAL, AND METHOD OF PRODUCING ION CONDUCTING POLYMER COMPOSITE MEMBRANE

摘要

Ion conductive materials are provided each of which includes an inorganic layered structure including multiple layers made of an inorganic compound and ion exchange groups bound with the inorganic layered structure, wherein the ion exchange groups are bound with every face of each of the multiple layers made of an inorganic compound. Using the inorganic structures, an ion conducting polymer composite membrane is provided having both a high gas barrier property and high proton conductivity. Such a membrane is utilized to produce a membrane electrode assembly, and the assembly is utilized to produce a fuel cell.