2024
DOI: 10.1021/jacs.4c04292
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Defect Engineering in Composition and Valence Band Center of Y2(YxRu1–x)2O7−δ Pyrochlore Electrocatalysts for Oxygen Evolution Reaction

Bidipta Ghosh,
Cheng Zhang,
Stefanie Frick
et al.

Abstract: Oxygen evolution reaction (OER) takes place in various types of electrochemical devices that are pivotal for the conversion and storage of renewable energy. This paper describes a strategy in the design of solid-state structures of OER electrocatalysts through controlling the cation substitution on the active metal site and consequently valence band center position of site-mixed Y2(Y x Ru1–x )2O7−δ pyrochlore to achieve high catalytic activity. We found that partially replacing the B-site Ru4+ cation with A-si… Show more

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