Efficient hydrogen and oxygen evolution electrocatalysis by cobalt and phosphorus dual-doped vanadium nitride nanowires

被引：83
|
作者：
Yang, H. [1 ]
Hu, Y. [1 ]
Huang, D. [1 ]
Xiong, T. [2 ]
Li, M. [1 ]
Balogun, M. -S. [2 ]
Tong, Y. [1 ,3 ]
机构：
[1] Sun Yat Sen Univ, Key Lab Low Carbon Chem Energy Conservat Guangdon, Key Lab Bioinorgan & Synthet Chem, MOE,Sch Chem, Guangzhou, Guangdong, Peoples R China
[2] Hunan Univ, Coll Mat Sci & Engn, Changsha 410012, Hunan, Peoples R China
[3] Shantou Univ, Dept Chem, Shantou 515063, Guangdong, Peoples R China
来源：
MATERIALS TODAY CHEMISTRY | 2019年 / 11卷
关键词：
Vanadium nitride; Dual doping; Oxygen evolution reaction; Hydrogen evolution reaction; NICKEL NITRIDE; MOLYBDENUM CARBIDE; HIGHLY EFFICIENT; CARBON CLOTH; NANOSHEETS; LITHIUM; CATHODE; NANOTUBES; OXIDATION; ARRAY;
D O I：
10.1016/j.mtchem.2018.10.004
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Herein, we codoped vanadium nitride (VN) nanowires with cobalt (Co) and phosphorus (P) via a simple hydrothermal and postannealing approach and used as hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) electrocatalysts. Benefiting from the synergistic effect from excellent properties of individual Co, P, and VN, the as-prepared VN-Co-P electrocatalyst displays lower onset overpotentials (137 and 335 mV), lower Tafel slopes, and more excellent stability than VN and VN-Co during HER and OER and shows promising electrocatalysts for HER and OER in alkaline solutions. (c) 2018 Elsevier Ltd. All rights reserved.
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页码：1 / 7
页数：7
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