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.

引用

页码：101 / 105

页数：5

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