Rapidly reconstructing the active surface of cobalt-based perovskites for alkaline seawater splitting

Abstract

As a potential oxygen evolution reaction (OER) catalyst, Co-based perovskites have received intensive attentions. However, Sr is readily to accumulate on their surface, then makes them inert toward OER. Herein,...

Investigating the role of oxygen vacancies in metal oxide for enhanced electrochemical reduction of NO3− to NH3: mechanistic insights

“…Although perovskite oxides based on cobalt have shown a significant amount of potential in electrocatalysis, 203,204 their ability to accelerate NO 3 − electrochemical reduction to generate NH 3 has not been explored. Liu et al 205 have addressed this by proposing an effective strategy to promote NO 3 ER activity by adjusting the A-site deficiencies of cobalt-based perovskite oxides.…”

Remarkably Enhanced Lattice Oxygen Participation in Perovskites to Boost Oxygen Evolution Reaction

“…These concerns have driven the exploration of several low-cost transition metal-based materials, among which transition metal (TM) oxides featuring a perovskite structure have attracted greater attention due to excellent OER performances, especially in alkaline media [8]. Recent reports have suggested that fine-tuning the perovskites can even surpass the best Ir/Ru-based OER catalysts [9][10][11][12].…”