Perovskite oxides hold great promise as efficient electrocatalysts for various energy‐related applications owing to their low cost, flexible structure, and high intrinsic catalytic activity. However, conventional synthetic methods can only obtain perovskite catalysts with large particle sizes, small surface areas, and few morphological features, leading to limited catalytic activity and thus posing a major challenge toward real‐world applications. Reducing the size of bulk perovskites down to the nanosize represents an efficient way to improve the electrocatalytic performance. A comprehensive overview of recent progress in the nanostructuring of perovskites for catalyzing several key reactions in metal–air batteries, water splitting, and solid oxide fuel cells is provided. A range of synthetic protocols for making perovskite nanostructures are summarized, followed by an emphasis on how each method can be tailored to obtain high‐performing perovskite nanocatalysts. These recent advances highlight the enormous potential of nanosized perovskites for facilitating the electrocatalytic reactions. The remaining challenges and future directions are pointed out for the development of next‐generation perovskite‐based nanostructured catalysts.

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用于能源相关应用的钙钛矿型电催化剂新型纳米结构方法的最新进展

钙钛矿氧化物因其低成本，柔性结构和高固有催化活性而作为各种能源相关应用的高效电催化剂具有广阔的前景。但是，传统的合成方法只能获得粒径大，表面积小，形态特征少的钙钛矿催化剂，导致催化活性有限，从而对实际应用提出了重大挑战。将整体钙钛矿减小至纳米尺寸代表了一种改善电催化性能的有效方法。提供了有关钙钛矿纳米结构催化金属-空气电池，水分解和固体氧化物燃料电池中若干关键反应的最新进展的全面概述。总结了用于制造钙钛矿纳米结构的一系列合成方案，然后重点介绍了如何定制每种方法以获得高性能的钙钛矿纳米催化剂。这些最新进展突显了纳米钙钛矿促进电催化反应的巨大潜力。下一代钙钛矿基纳米结构催化剂的开发指出了剩余的挑战和未来的方向。