Enhancement of Electrochemical Hydrogen Insertion in N-Doped Highly Ordered Mesoporous Carbon

被引:34
|
作者
Liu, Dan [1 ]
Zheng, Dong [2 ]
Wang, Lili [1 ]
Qu, Deyu [1 ]
Xie, Zhizhong [1 ]
Lei, Jiaheng [1 ]
Guo, Liping [1 ]
Deng, Bohua [1 ]
Xiao, Liang [1 ]
Qu, Deyang [2 ]
机构
[1] Wuhan Univ Technol, Sch Sci, Dept Chem, Wuhan 430070, Hubei, Peoples R China
[2] Univ Massachusetts, Dept Chem, Boston, MA 02482 USA
来源
JOURNAL OF PHYSICAL CHEMISTRY C | 2014年 / 118卷 / 05期
关键词
NANOSTRUCTURED CARBON; ACTIVATED CARBONS; STORAGE; NANOTUBES; MECHANISM; ENERGY;
D O I
10.1021/jp412099y
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
An N-doped highly ordered mesoporous carbon material is synthesized. The nitrogen functionalities are found to be chemically bonded on the carbon surface, and the mole ratio of N to C is 1:100. The electrochemical H insertion into the carbon interlayers is enhanced 1.5 times for the N-doped carbon electrode. Such a promotion of H insertion is believed to result from the interference of the N-dopants with the H+H recombination and the carbon surface electronic structure; therefore, the competitive hydrogen evolution path is discriminated against in favor of the H insertion path.
引用
收藏
页码:2370 / 2374
页数:5
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