Accelerating hydrogen evolution at neutral pH by destabilization of water with a conducting oxophilic metal oxide
Zhengzhe Xie, Wugang Wang, Ding Ding, Yu Zou, Yi Cui, Lai Xu, Jiang Jiang
Abstract
Self-supporting Ni<sub>4</sub>Mo–V<sub>2</sub>O<sub>3</sub> nanosheets, which combine oxophilic V<sub>2</sub>O<sub>3</sub> as a water dissociation center with Ni<sub>4</sub>Mo as a proton recombination site, display an extremely low overpotential (39.3 mV at 10 mA cm<sup>−2</sup>) for hydrogen evolution at neutral pH.
Topics & Concepts
OverpotentialHydrogenMetalOxideDissociation (chemistry)RecombinationChemistryProtonMaterials scienceInorganic chemistryCrystallographyPhysical chemistryPhysicsElectrochemistryElectrodeNuclear physicsBiochemistryGeneOrganic chemistryElectrocatalysts for Energy ConversionElectrochemical Analysis and ApplicationsAdvanced battery technologies research