Heterostructured Co2P Nanocomposite Embedded in a N, P Co-Doped Carbon Layer as a High Performance Electrocatalyst for Overall Water Splitting

被引:2
作者
Chen, Ji [1 ]
Zhao, Shuwen [1 ]
Zhao, Yifan [1 ]
Zhou, Weijie [1 ]
Dai, Ruijie [1 ]
Zhao, Xuan [1 ]
Chen, Zhengang [1 ]
Zhang, Hua [1 ]
Chen, Anran [1 ]
机构
[1] Yunnan Univ, Sch Mat & Energy, Kunming 650091, Yunnan, Peoples R China
关键词
transition metal phosphide; water splitting; hydrogen evolution; oxygen evolution; N; P co-doped carbon; HYDROGEN EVOLUTION REACTION; NANOSHEET ARRAYS; BIFUNCTIONAL ELECTROCATALYST; EFFICIENT ELECTROCATALYST; NANOPARTICLES; CONSTRUCTION; ELECTRODE; COMPOSITE; CATALYSTS; TEMPLATE;
D O I
10.3390/catal12090957
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Hydrogen is the mainstream future energy source because of its high energy density and environmentally-friendly properties. In this study, Fe-Co2P/NPC materials were prepared by the wet chemical synthesis method, in which Fe-Co2P nanowires were wrapped by the N, P co-doped carbon layers (NPC) under aging and phosphorylation strategies. When Fe-Co2P/NPC/NF was subjected to hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER), the overpotential was only 73 mV and 217 mV to reach the current density of 10 mA cm(-2), respectively. When the cathode and anode were both Fe-Co2P/NPC/NF, a current density of 10 mA cm(-2) was achieved with only 1.56 V. This work provides a new idea for the design and preparation of non-precious metal-based transition metal phosphide catalysts.
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页数:12
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