SOLID ELECTROLYTE AND METHOD OF MANUFACTURING

摘要

PROBLEM TO BE SOLVED: To provide a new solid electrolyte having high proton conductivity below a phase transition temperature to the super proton conduction phase, comparable with a super proton conduction phase even at low temperature around room temperature, and useful as an electrolyte of a fuel cell, and to provide a fuel cell using the electrolyte.

SOLUTION: The electrolyte contains Cs2(HSO4)(H2PO4) with the super proton conduction phase of Cs2(HSO4)(H2PO4) held from -60°C to 231°C. The fuel cell, a hydrogen sensor and a capacitor using the electrolyte are also provided. The electrolyte is manufactured by cooling the super proton conduction phase of Cs2(HSO4)(H2PO4) in the presence of a dry atmosphere.

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