Morphology-Controllable Synthesis of Cobalt Telluride Branched Nanostructures on Carbon Fiber Paper as Electrocatalysts for Hydrogen Evolution Reaction

被引：130
|
作者：
Wang, Ke [1 ]
Ye, Zhiguo [2 ]
Liu, Chenqi [1 ]
Xi, Dan [1 ]
Zhou, Chongjian [1 ]
Shi, Zhongqi [1 ]
Xia, Hongyan [1 ]
Liu, Guiwu [3 ]
Qiao, Guanjun [1 ,3 ]
机构：
[1] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
[2] Nanchang Hangkong Univ, Sch Mat Sci & Engn, Nanchang 330063, Peoples R China
[3] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Peoples R China
来源：
ACS APPLIED MATERIALS & INTERFACES | 2016年 / 8卷 / 05期
基金：
中国国家自然科学基金;
关键词：
cobalt telluride; hydrogen evolution reaction; branched nanowire; core-shell; electrocatalyst; carbon fiber paper; HIGH-PERFORMANCE ELECTROCATALYSIS; OXYGEN REDUCTION; EFFICIENT; EXCHANGE; COSE2; NANOPARTICLES; NANOCRYSTALS; HYDROXIDES; FILM;
D O I：
10.1021/acsami.5b10835
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Cobalt telluride branched nanostructures on carbon fiber paper (CFP) with two different morphologies were synthesized via solution-based conversion reaction. Both the CoTe2 with nanodendrite and CoTe with nanosheet morphologies on the CoTe2 nanotube (CoTe2 NDs/CoTe2 NTs and CoTe NSs/CoTe2 NTs) supported by CFP exhibit high activities toward hydrogen evolution reaction (HER). Particularly, the CoTe NSs/CoTe2 NTs only require an overpotential of 230.0 mV to deliver the current density of 100 mA cm(-2) in acid solution. After cycling for 5000 cycles or 20 h continual electrolysis, only a small performance loss is observed.
引用
收藏
页码：2910 / 2916
页数：7
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