As a clean,efficient and renewable energy source,hydrogen energy plays vital roles in China's strategy for the green-oriented transition of energy.Meanwhile,due to the high operational current density,high superior energy efficiency and rapid dynamic response features,proton exchange membrane water electrolysis(PEMWE)technology is gaining increasing attention as a promising method for green and sustainable hydrogen production.Nevertheless,limited by the scarcity and high cost of iridium-based catalysts,which is one of the core components of PEMWE systems,the large-scale application of PEMWE in industrial production is still far from achievable.To meet challenges,great efforts have been made to de-velop more economical and efficient iridium-based catalysts,to achieve the cost reduction and efficiency improvement issues faced by large-scale application of PEMWE.This review article systematically sum-marizes the latest advancements of iridium-based anode catalysts for PEMWE.First,the fundamental prin-ciples,system configurations and their functions of PEMWE are introduced for better understanding this hydrogen production system.Then,the current application statuses of iridium-based catalysts in the anodic oxygen evolution reaction of PEMWE hydrogen production have been elaborated,including the metal-type,oxide-type and supported-type catalysts.Focus on discussing the influence of morphology control,structur-al design,and carrier selection on catalytic performance,and propose that future efforts should be dedicated to developing catalysts with low iridium loadings,high activity,and stability.
关键词
析氧反应/质子交换膜水电解/制绿氢技术/铱基催化剂/膜电极
Key words
oxygen evolution reaction/proton exchange membrane water electrolysis/green hydrogen production technology/iridium-based catalyst/membrane electrode
维普
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