Journal
CATALYSIS SCIENCE & TECHNOLOGY
Volume 8, Issue 9, Pages 2289-2293Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cy00211h
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Funding
- Thousand Talents Program of China
- National Natural Science Foundation of China [21101170, 21573139, 21773146]
- Fundamental Research Funds for the Central Universities
- Research Funds of Shaanxi Normal University
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Ni2P hollow microspheres were synthesized and examined as an electrocatalyst for both O-2 evolution and reduction reactions. This hollow microsphere structure, assembled from ultrathin nanosheets, has a high surface-to-volume ratio and is beneficial for fast charge transfer and mass diffusion. This Ni2P material is efficient for water oxidation, achieving a 10 mA cm(-2) current at a 280 mV overpotential. It is also effective in catalyzing the reduction of O-2 with an onset potential of 0.92 V, representing a rare example of Ni phosphides as O-2 reduction catalysts.
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