The global energy crisis and environmental degradation have intensified the need for sustainable hydrogen production via water electrolysis. However, a significant gap persists between laboratory oxygen evolution reaction (OER) catalysts and industrial water electrolysis requirements. In this review, we bridged this gap by examining the rational design and synthesis of industrial‐oriented OER catalysts through the lens of reaction mechanisms. We discussed the design of industrial OER catalysts, operando techniques for mechanistic insights, and the assembly of industrial‐scale electrolyzers. By addressing operando insights to guide catalyst synthesis for industrial application, this work offered essential guidance for developing high‐performance OER catalysts.
Ye et al. (Sun,) studied this question.
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