期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 135, 期 25, 页码 9267-9270出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja403440e
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资金
- U.S. National Science Foundation Powering the Planet Center for Chemical Innovation [CHE-0802907]
- Department of Energy, Office of Science
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0802907] Funding Source: National Science Foundation
Nanoparticles of nickel phosphide (Ni2P) have been investigated for electrocatalytic activity and stability for the hydrogen evolution reaction (HER) in acidic solutions, under which proton exchange membrane-based electrolysis is operational. The catalytically active Ni2P nanoparticles were hollow and faceted to expose a high density of the Ni2P(001) surface, which has previously been predicted based on theory to be an active HER catalyst. The Ni2P nanoparticles had among the highest HER activity of any non-noble metal electrocatalyst reported to date, producing H-2(g) with nearly quantitative faradaic yield, while also affording stability in aqueous acidic media.
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