steam/Hydrogen electrodes, and d Oxide of Lanthanum oxide (La₂O₃), Strontium and Cobalt oxygen electrodes.

Economic potential

Even with HTE, electrolysis is a fairly inefficient way to store energy. Significant conversion losses of energy occur both in the electrolysis process, and in the conversion of the resulting hydrogen back into power.

At current hydrocarbon prices, HTE can not compete

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