Abstract
The self-supporting electrocatalysts have been demonstrated more advantages than powder catalysts. Both metal-support interaction and support effect further exhibit that the substrate material has significant impact on the electrochemical performance of the catalysts. Herein, we introduce a nickel nanowires film (Ni-NNF), synthesized via hydrazine reduction under a magnetic field, as a conductive substrate. By comparing with common substrates (Ni foam, carbon cloth and carbon fiber paper), the as-fabricated Ni-NNF exhibits higher conductivity and provides more active sites, resulting in better hydrogen evolution reaction (HER) activities and excellent durability. Thus, employing this type of metal nanowires as substrate is expected to synthesize better electrocatalyst.
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