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Which consequence unfolds within a solid-oxide fuel cell (SOFC) electrolyte when local oxygen depletion diminishes ionic conductivity?

A)Increased anode polarization resistance forms
B)Enhanced faradaic efficiency generation grows
C)Decreased power density output appears
D)Augmented cell's open circuit voltage turns

💡 Explanation

Decreased ionic conductivity increases internal resistance, and therefore diminishes open circuit voltage, rather than enhancing it. Electrochemical Polarization results because reduced oxygen vacancies slows oxygen ion transport, lowering power output.

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