Molybdenum carbide supported by N-doped carbon: Controlled synthesis and application in electrocatalytic hydrogen evolution reaction

被引：20
|
作者：
Zhong, Zhiwei [1 ]
Liu, Ning [1 ,3 ]
Chen, Hongyu [1 ]
Fu, Xionghui [1 ]
Yang, Lichun [2 ]
Gao, Qingsheng [1 ]
机构：
[1] Jinan Univ, Dept Chem, 601 Huangpu Ave West, Guangzhou 510632, Guangdong, Peoples R China
[2] S China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510641, Guangdong, Peoples R China
[3] China Natl Analyt Ctr, Guangdong Prov Key Lab Emergency Test Dangerous C, Guangzhou 510070, Guangdong, Peoples R China
来源：
MATERIALS LETTERS | 2016年 / 176卷
关键词：
Hydrogen; Molybdenum carbides; Nitrogen doping; Nanocomposites; Energy storage and conversion;
D O I：
10.1016/j.matlet.2016.04.089
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Exploring noble-metal free electrocatalysts remains a great challenge for hydrogen evolution reaction (HER). Herein, we report the fabrication of molybdenum carbides supported by N-doped carbon (MoCx/CN), employing glucose and melamine as precursors to generate conducting supports. The nanosized MoCx, and its intimate contact with CN, favor the efficient HER. The optimal MoCx/CN delivers an overpotential (eta) of 220 mV to produce a current density (j) of 10 mA cm(-2), and a high j of 72 mA cm(-2) at eta = 300 mV in 0.5 M H2SO(4). (C) 2016 Elsevier B.V. All rights reserved.
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页码：101 / 105
页数：5
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