Assessing potential profiles in water electrolysers to minimise titanium use
Hans Becker, Edmund J. F. Dickinson, Xuekun Lu, Ulf Bexell, Sebastian Proch, Claire Moffatt, Mikael Stenström, Graham T. Smith, Gareth Hinds
Abstract
The corrosive zone at the anode of a proton exchange membrane water electrolyser extends only ∼200 μm into the porous transport layer under typical operating conditions, allowing replacement of platinum-coated titanium with much cheaper materials.
Topics & Concepts
TitaniumAnodeMaterials sciencePlatinumTitanioPorosityLayer (electronics)Composite materialElectrodeMetallurgyChemistryCatalysisTransition metalBiochemistryPhysical chemistryHydrogen Storage and MaterialsFuel Cells and Related MaterialsNuclear Materials and Properties