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Published on: February 11, 2016
Boosting Acidic OER Performance Via Transition Metal Doping in Iridium/Ruthenium Oxides
Wenjing Li1, Baoshuai Du1, Zhicheng Yan1
1State Grid Shandong Electric Power Research Institue.
Abstract:
Developing highly efficient and stable acidic oxygen evolution reaction (OER) catalysts is crucial for water electrolysis hydrogen production. However, commercial iridium-based and ruthenium-based oxides (IrO2 and RuO2) face challenges of high costs and insufficient durability, making the development of cost-effective, high-performance, and stable electrocatalysts particularly significant. This study systematically discusses the enhancement of OER catalytic activity and stability of IrO2 and RuO2 through transition metal doping (3d, 4d, 5d, and multi-metal), which can modify electronic structures and optimize d-band centers. This work elucidates the structure-activity relationships in transition metal doped Ir/Ru oxides, revealing future opportunities in non-noble metal doping strategies and atomic-level design to achieve high-performance and economical acidic OER catalysts.
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