Membrane-less amphoteric decoupled water electrolysis using WO<sub>3</sub> and Ni(OH)<sub>2</sub> auxiliary electrodes
Mārtiņš Vanags, Guntis Kuļikovskis, Juris Kostjukovs, Laimonis Jēkabsons, Anatolijs Šarakovskis, Krisjanis Smits, Liga Bikse, Andris Šutka
Abstract
In the amphoteric membrane-less decoupled water electrolysis, hydrogen and oxygen are co-produced in separate cells with higher energy efficiency. Ion exchange is mediated by the auxiliary electrodes – H x WO 3 for acid and NiOOH for alkaline cell.
Topics & Concepts
ElectrolysisElectrodeAlkaline water electrolysisMembraneHydrogenIon exchangeElectrolysis of waterInorganic chemistryHigh-temperature electrolysisChemistryElectrolytic cellIonOxygenMaterials scienceChemical engineeringElectrolyteOrganic chemistryBiochemistryEngineeringPhysical chemistryAdvanced battery technologies researchElectrocatalysts for Energy ConversionAdvanced Battery Technologies Research