Intrinsic metal-support interactions break the activity-stability dilemma in electrocatalysis

Lingxi Zhou, Menghao Yang, Yihong Liu, Feiyu Kang and Ruitao Lv ()
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Lingxi Zhou: Tsinghua University
Menghao Yang: Tongji University
Yihong Liu: Tongji University
Feiyu Kang: Tsinghua University
Ruitao Lv: Tsinghua University

Nature Communications, 2025, vol. 16, issue 1, 1-14

Abstract: Abstract Electrocatalysis plays a central role in clean energy conversion and sustainable technologies. However, the trade-off between activity and stability of electrocatalysts largely hinders their practical applications, notably in the oxygen evolution reaction for producing hydrogen and solar fuels. Here we report a steam-assisted synthesis armed with machine learning screening of an integrated Ru/TiMnOx electrode, featuring intrinsic metal-support interactions. These atomic-scale interactions with self-healing capabilities radically address the activity-stability dilemma across all pH levels. Consequently, the Ru/TiMnOx electrode demonstrate enhanced mass activities—48.5×, 112.8×, and 74.6× higher than benchmark RuO2 under acidic, neutral, and alkaline conditions, respectively. Notably, it achieves stable operation for up to 3,000 h, representing a multi-fold stability improvement comparable to other state-of-the-art catalysts. The breakthrough in activity-stability limitations highlights the potential of intrinsic metal-support interactions for enhancing electrocatalysis and heterogeneous catalysis in diverse applications.

Date: 2025
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DOI: 10.1038/s41467-025-63397-z

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