articleAdvanced Energy MaterialsFeb 17, 2022Closed access

Advances in Oxygen Evolution Electrocatalysts for Proton Exchange Membrane Water Electrolyzers

Ningbo University · Tianjin University of Science and Technology · +2 more institutions

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Abstract

Abstract Proton exchange membrane water electrolyzer (PEMWE) technology is of interest in the context of electrocatalytic hydrogen generation from renewable energies. It has the benefits of immediate response, higher proton conductivity, lower ohmic losses, and gas crossover rate. One key step toward to large‐scale application, is the development of highly efficient, durable, and compatible anodic oxygen evolution electrocatalysts in acidic media to decrease the usage of expensive and scarce precious metals. Within this scenario, an in‐depth understanding of oxygen evolution reaction mechanisms including the adsorption evolution mechanism and lattice oxygen evolution mechanism is first provided to aid…

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