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- Title
Facile Synthesis of Ni(OH) 2 through Low-Temperature N-Doping for Efficient Hydrogen Evolution.
- Authors
Liu, Zi-Zhang; Fan, Ruo-Yao; Yu, Ning; Zhou, Ya-Nan; Zhang, Xin-Yu; Dong, Bin; Yan, Zi-Feng
- Abstract
Nickel hydroxide is a potentially cheap non-precious metal catalytic material for alkaline hydrogen evolution reactions (HERs). Herein, a nickel form (NF)-based nitrogen-modified nickel hydroxide (N-Ni(OH)2/NF) with interlaced two-dimensional (2D) nanosheet structures was synthesized by a simple one-step ammonia vapor-phase hydrothermal method for efficient electrocatalytic HERs. The effect of the reaction temperature of the catalyst preparation on the HERs' performance was studied in detail. The HER activity of N-Ni(OH)2/NF is enhanced by the large specific surface area, mass transfer and electron conductivity provided by a unique and suitable 2D nanostructure and nitrogen doping. The obtained N-Ni(OH)2/NF not only shows a superior HERs performance, but also exhibits good stability during long-term electrolysis.
- Subjects
METALS at low temperatures; CHARGE exchange; MASS transfer; SURFACE area; NICKEL
- Publication
Catalysts (2073-4344), 2024, Vol 14, Issue 8, p534
- ISSN
2073-4344
- Publication type
Article
- DOI
10.3390/catal14080534