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Updated: Jul 8, 2026

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing
Published on: June 9, 2023
Modulating surface oxygen vacancy to suppress RuO2 lattice oxygen reactivity for stable acidic water oxidation
Cheng Huang1,2, Jing Ni1,2, Huan Liu1,2
1Hydrogen Energy Industry Institute of Jilin Province, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China. fangwh@ciac.ac.cn.
None:
We report a low-temperature quenching strategy to modulate surface oxygen vacancies on RuO2 for acidic water oxidation. Benefiting from the introduction of oxygen vacancies, the Ru-O covalency is weakened and lattice oxygen participation is effectively suppressed. The as-designed LTQ-RuO2 catalyst shows low overpotential and excellent durability.
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