Search results for " Ni-Fe Alloy"

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Ni-Fe alloy nanostructured electrodes for water splitting in alkaline electrolyser

2021

Abstract In this work, nickel-iron alloy nanostructured electrodes obtained by template electrosynthesis method are investigated for both hydrogen and oxygen evolution reactions. Electrodes consist of nanowire arrays with high surface area that are able to ensures a high electrolytic activity. To obtain different alloy compositions, the concentration of the elements in the deposition baths is appropriately tuned. Results show that the composition of nanowires does not change linearly with the composition of deposition bath but are richer in Fe. Nanostructured electrodes are tested as both cathodes and anodes in 30 wt% KOH aqueous solution, at room temperature to determine the best alloy com…

Tafel equationMaterials scienceAqueous solutionGeneral Chemical EngineeringAlloyOxygen evolution02 engineering and technologyElectrolyteengineering.material010402 general chemistry021001 nanoscience & nanotechnologyElectrosynthesisElectrochemistry01 natural sciences0104 chemical sciencesSettore ING-IND/23 - Chimica Fisica ApplicataChemical engineeringSettore ING-IND/17 - Impianti Industriali MeccaniciElectrochemistryengineeringWater splitting0210 nano-technologyAlkaline electrolyzer HER Nanostructured electrodes Ni-Fe Alloy OER Template electrosynthesis

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