Nickel-Cerium Electrodes for Hydrogen Evolution in Alkaline Water Electrolysis

被引：7
|
作者：
Santos, D. M. F. [1 ]
Amaral, L. [1 ]
Sljukic, B. [1 ]
Maccio, D. [2 ]
Saccone, A. [2 ]
Sequeira, C. A. C. [1 ]
机构：
[1] Univ Tecn Lisboa, Inst Super Tecn, Inst Mat & Surfaces Sci & Engn, Mat Electrochem Grp, P-1049001 Lisbon, Portugal
[2] Univ Genoa, Dept Chem & Ind Chem, I-16146 Genoa, Italy
来源：
ELECTROCHEMICAL SYNTHESIS OF FUELS 2 | 2013年 / 58卷 / 02期
关键词：
SUSTAINABLE ENERGY SYSTEM; TUNGSTEN CARBIDE; NICU COATINGS; DEPOSITION; ELECTROCATALYST; FABRICATION; CATALYSTS; BEHAVIOR; ALLOYS; CARBON;
D O I：
10.1149/05802.0113ecst
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The electrocatalytic activity of nickel-cerium (Ni-Ce) alloys towards the hydrogen evolution reaction (HER) in alkaline solution has been evaluated. Ni-Ce alloy electrodes with different low amounts of the rare earth element were prepared and tested in 8 M KOH aqueous electrolytes at temperatures ranging from 25 to 85 degrees C. Polarization measurements are done to evaluate the HER on the Ni-Ce alloy electrodes and to determine several kinetic parameters, namely the Tafel coefficients, charge-transfer coefficients, and exchange current densities, allowing a direct comparison of the intrinsic HER activity of these electrodes with single Ni metal electrode prepared according to the same procedures.
引用
收藏
页码：113 / 121
页数：9
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