Abstract
A new type of electrode for acidic water electrolysis has been developed, consisting of platinum nanoparticles (Pt NPs) deposited on a nickel-molybdenum-oxide (Ni0.6Mo0.4-oxide) coating. The Pt NPs were synthesized and electrodeposited onto the Ni0.6Mo0.4-oxide support, resulting in platinum nanoparticles deposited on a nickel-molybdenum-oxide coating electrodes (Pt/Ni0.6Mo0.4-oxide) that exhibited exceptional stability for hydrogen production in acidic conditions. Electrochemical testing showed that the Pt40/Ni0.6Mo0.4-oxide electrode had the highest catalytic activity among all catalysts tested, which was comparable to the state-of-the-art Pt catalyst for hydrogen production. Microscopy and spectroscopy techniques were used to characterize the electrode, revealing well-defined Pt NPs firmly attached to the Ni0.6Mo0.4-oxide support catalyst. This increased catalytic activity while reducing the amount of expensive Pt required.
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