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Reversible solid oxide electrolytic cells for large-scale energy storage: challenges and opportunities

B. Yildiz,     Massachusetts Institute of Technology, USA

Abstract:

Solid oxide cells that function reversibly in fuel cell (SOFC) and electrolytic (SOEC) modes offer the possibility of conversion and storage of energy through congruent production of electricity, hydrogen and syn-gas. The challenge in the practical implementation of this technology arises mainly from the degradation of materials especially in the electrolytic mode, and this has rendered the reversibility difficult to achieve. The fundamental reason for the faster degradation of performance in electrolytic mode currently is because of the use of materials that were originally ...

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