Patent ID: 7932299

Claim:
A proton conducting membrane, said membrane comprising: a solid acid component of the formula CsH 2 PO 4 , wherein said solid acid component is capable of conducting protons in a solid state through a superprotonic mechanism; a secondary component having a plurality of surface hydrogen, comprising at least one member selected from the group consisting of LaPO 4 *H 2 O(H 3 PO 4 ) g , SiC, C 6 H 3 (COOH) 3 , polybenzimidazole (PBI), polyimide and multi-walled fullerene, wherein g is a non-negative real number from 1 to 4; and a plurality of interfaces formed by said solid acid component and said secondary component, wherein said solid acid component and said secondary component interact to form a composite.