Electrochemical synthesis of Mo2C catalytical coatings for the water-gas shift reaction

被引：12
|
作者：
Kuznetsov, Sergey A. [1 ]
Dubrovskiy, Anton R. [1 ]
Rebrov, Evgeny V. [2 ]
Schouten, Jaap C. [2 ]
机构：
[1] Kola Sci Ctr, RAS, Inst Chem, Apatity 184209, Murmansk Region, Russia
[2] Eindhoven Univ Technol, Lab Chem Reactor Engn, Eindhoven, Netherlands
来源：
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES | 2007年 / 62卷 / 10-11期
基金：
俄罗斯基础研究基金会;
关键词：
cyclic voltammetry; electrode processes; electrochemical synthesis; water-gas shift reaction; catalytic activity;
D O I：
10.1515/zna-2007-10-1114
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：
The electroreduction of CO32- ions on a molybdenum cathode in a NaCl-KCl-Li2CO3 melt was studied by cyclic voltarnmetry. The electrochemical synthesis of Mo2C on molybdenum substrates has been performed at It 23 K for 7 h with a cathodic current density of 5 mA cm(-2). If molybdenum carbide is present as a thin (ca. 500 nm) film on a molybdenum substrate (Mo2C/Mo), its catalytic activity in the water gas-shift reaction is enhanced by at least an order of magnitude compared to that of the bulk Mo2C phase.
引用
收藏
页码：647 / 654
页数：8
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