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AuthorAlmomani F.
Available date2022-04-25T08:00:17Z
Publication Date2021
Publication NameInternational Journal of Hydrogen Energy
ResourceScopus
Identifierhttp://dx.doi.org/10.1016/j.ijhydene.2020.03.007
URIhttp://hdl.handle.net/10576/30298
AbstractThe present study reports a simple, inexpensive, and direct method for the preparation of nanocomposite (NC) material (Ni/Co-NC) as advanced catalysts for hydrogen production (HP). The Ni/Co-NC was prepared using solvothermal method (STM) followed by thermal annealing, characterized and tested for HP in 0.6 M H2SO4. The as-synthesized Ni/Co-NC contains a high density of active edge sites, exhibits high electro-catalytic HP activity under small cathodic onset potential (VON-P) of −0.03 V, and a small Tafel slope of approximately 29 mV/decade, which exceeds the activity of previously studied Pt-free catalysis. Annealing temperature significantly affects the Ni/Co-NC activity toward HP by forming active nanoparticles with an optimum identified at 250 °C. The HP process is controlled via Volmer-Tafel charge-transfer mechanism over the electrode interface. The presented method can be used as a new strategy for manufacturing advanced electro-catalysts for the production of hydrogen from different resources.
Languageen
PublisherElsevier Ltd
SubjectCell potential
Charge transfer
Composite material
Electro-catalyst
Electrochemical
TitleNi-based nanocomposite material as a highly efficient catalyst for electrochemical production of hydrogen
TypeArticle
Pagination4691-4698
Issue Number6
Volume Number46
dc.accessType Abstract Only


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