Ag Single-Atom Se-Vacancy CoSe₂ Catalyst

1500 h Stable Operation

Synergy of Ag single atoms and Se vacancies activates lattice oxygen oxidation, breaking the theoretical overpotential limit of conventional AEM and boosting intrinsic activity and durability for alkaline water oxidation.

Wang, Fangqing · Xiujuan, Xu · Li, Ying · Gu, Liqiang · Lingxiao, Li · Liu, Hui · Cong, Hailin

Applied Catalysis B: Environmental 2025

Specifications

过电位仅

{'zh': '167', 'en': ''} mV

in AEM electrolyzer

{'zh': '500', 'en': '30'} wt% KOH

Advantages

Mass activity of 732.925 A g⁻¹ at 250 mV

Virtually no degradation for up to 1500 h