A self-healing non-precious metal oxide anode in proton exchange membrane electrolysis beyond 1000 h stability at 2 A cm<sup>−2</sup>
Miaoyu Lin, Wen Jing Li, Hao Lin, Sheng Dai, Zhenxin Lou, Jia Chen Wu, Huai Qin Fu, Song Ru Fang, Hao Fan, Xiao Xiao Mao, Xue Qing Chen, Haiyang Yuan, Peng Fei Liu, Hua Gui Yang, Yu Hou
Abstract
This work demonstrates the dissolution–redeposition dynamic equilibrium of non-precious metal anode catalysts under PEMWE conditions, establishing stable active sites and achieving unprecedented long-term stability at ultrahigh current densities.
Topics & Concepts
ElectrolysisAnodeMetalPrecious metalOxideMaterials scienceMembraneProtonChemical engineeringMetallurgyChemistryElectrodeEngineeringPhysicsPhysical chemistryElectrolyteNuclear physicsBiochemistryFuel Cells and Related MaterialsElectrocatalysts for Energy ConversionHybrid Renewable Energy Systems