Electrochemical devices such as fuel cells are becoming indispensable for new power generation technologies because they can efficiently produce renewable energy. Ceramic proton conductors can be used in many applications, including protonic ceramic fuel cells (PCFCs), hydrogen pumps, sensors, and separation membranes. In particular, PCFCs based on ceramic proton conductors are promising, because they can work at lower temperatures compared with conventional solid oxide fuel cells (SOFCs), thanks to the higher conductivity of protons at low temperatures.
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Source: Phys.org