Steam electrolysis using proton-conducting perovskite electrolyte

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nature, renewable sort of energies should be introduced. This study deals with steam electrolysis, working as energy storing method in combination with fuel cells, and as a method of producing hydrogen that is a major candidate of energy carrier in the near future. Proton-conductor cells operating at 600°C were studied, for steam electrolysis. Materials, processing, structures, etc. were studied for electrolyte and electrodes, and steam electrolysis test cells were constructed and examined. Electrolysis voltage as low as 1. 4 V at 600°C were achieved.