A robust chromium–iridium oxide catalyst for high-current–density acidic oxygen evolution in proton exchange membrane electrolyzers
Shiyu Ge, Ruikuan Xie, Bing Huang, Zhiyuan Zhang, Heming Liu, Xin Kang, Shuqi Hu, Shaohai Li, Yuting Luo, Qiangmin Yu, Jingwei Wang, Guoliang Chai, Lunhui Guan, Hui–Ming Cheng, Bilu Liu
Abstract
A chromium–iridium oxide electrocatalyst with an interfacial coupling effect, endowing it with high activity and stability for the oxygen evolution reaction, as well as high performance of hydrogen production in a PEM electrolyzer.
Topics & Concepts
ElectrocatalystIridiumOxygen evolutionProton exchange membrane fuel cellCatalysisElectrolysisOxideChromiumOxygenInorganic chemistryHydrogen productionMaterials scienceHydrogenElectrolysis of waterChemistryChemical engineeringElectrochemistryElectrodeMetallurgyPhysical chemistryOrganic chemistryElectrolyteEngineeringElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsAdvanced battery technologies research