Optimization of oxygen evolution activity by tuning e*g band broadening in nickel oxyhydroxide
Haoyin Zhong, Xiaopeng Wang, Guangxin Sun, Yaxin Tang, Shengdong Tan, Qian He, Jun Zhang, Ting Xiong, Caozheng Diao, Zhi Gen Yu, Shibo Xi, Wee Siang Vincent Lee, Junmin Xue
Abstract
In Ni(OH) 2 , a greater extent of band (3d electron states with e g symmetry) broadening can facilitate electron transfer from the electrocatalyst to the external circuit, leading to higher OER catalytic performance.
Topics & Concepts
ElectrocatalystNickelElectron transferOxygen evolutionCatalysisElectronOxygenSymmetry (geometry)Materials scienceChemistryChemical physicsPhotochemistryMetallurgyPhysical chemistryPhysicsElectrodeQuantum mechanicsElectrochemistryMathematicsBiochemistryOrganic chemistryGeometryElectrocatalysts for Energy ConversionElectrochemical Analysis and ApplicationsAdvanced battery technologies research