Natural hematite ore is used as a novel electrolyte material for advanced solid oxide fuel cells (SOFCs). This hematite‐based system exhibits a maximum power density of 225 mW cm−2 at 600 °C and reaches 467 mW cm−2 when the hematite is mixed with perovskite‐structured La0.6Sr0.4Co0.2Fe0.8O3–δ. These results demonstrate that natural materials for next‐generation SOFCs can influence the multiutilization of natural resources, thereby affecting the environment and energy sustainability.
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Wu et al. (2015) studied this question.
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