Materials
The selection of the materials for the electrodes and electrolyte in a solid oxide electrolyser cell is essential. One currently investigated option for the process used yttria-stabilized zirconia (YSZ) electrolytes, nickel-cermet steam/hydrogen electrodes, and mixed oxide of lanthanum, strontium and cobalt oxygen electrodes.
Read more about this topic: High-temperature Electrolysis
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—Henry David Thoreau (1817–1862)