Transition Metal based Heterogeneous Electrocatalysts for Oxygen Evolution Reaction at Near-neutral pH

Oxygen evolution reaction (OER) is considered as a major bottleneck of water splitting for hydrogen generation. It is highly desired to develop high performance OER catalysts in the near-neutral operating environments because of mild corrosion and pollution. This review summarized the recent development of heterogeneous catalysts containing transition metal (TM) for OER at near-neutral pH. Specifically, we focuses on some effective strategies to achieve high OER performance for TM (e.g., Co, Mn, Ni, Cu, Fe, and binary TM)-based catalysts in near-neutral media. The progress and perspectives are discussed, which might provide some insights into the rapid promotion of electrocatalytic performance for future applications in hydrogen production.