Porous CeO2/Ni-Cu composite catalyst for electrocatalytic hydrogen evolution in alkaline medium
Journal of Electroanalytical Chemistry（2021）
Abstract
•Ni-Cu substrate was prepared by powder metallurgy methods.•Ni-Cu substrate was modified by CeO2 nanoparticles without binders.•Nano-sized ceria particles greatly enlarge the total surface area.•CeO2/Ni-Cu catalyst presents an overpotential of 72 mV at a current density of 10 mA·cm−2.
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Key words
CeO2 nanoparticles,Hierarchical structure,Hydrogen evolution reaction (HER),Porous Ni-Cu substrate
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