Electrochemical properties of mechanically milled Ni-20Cr for H2 oxidation in alkaline fuel cells

被引：0
作者：
Montserrat Antonio-Gordillo, Diana [1 ]
Godinez-Garcia, Andres [2 ]
Alonso-Gonzalez, Omero [1 ]
Ruiz-Luna, Haidee [3 ]
机构：
[1] Univ Autonoma Zacatecas, Ramon Lopez Velarde 801, Zacatecas 98000, Mexico
[2] Tecnol Nacl Mexico, Campus Tlalnepantla,Inst Tecnol S-N, Tlalnepantla De Baz 54070, Estado De Mexic, Mexico
[3] Univ Autonoma Zacatecas, CONAHCYT, Ramon Lopez Velarde 801, Zacatecas 98000, Mexico
来源：
CHEMICAL PHYSICS LETTERS | 2023年 / 829卷
关键词：
Hydrogen oxidation reaction; Ni-based catalysts; Milling processing; Alkaline fuel cells; HYDROGEN OXIDATION; EVOLUTION REACTION; ELECTROCATALYSTS; KINETICS; NICKEL; NANOPARTICLES; NUCLEATION; ELECTRODES; CATALYSTS; NI;
D O I：
10.1016/j.cplett.2023.140745
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 electrochemical properties of Ni-20Cr alloy subject to high-energy mechanical milling were investigated to analyze its potential as a catalyst in fuel cells for hydrogen oxidation reaction (HOR) in an alkaline medium. The kinetic properties of Ni-20Cr alloy decorated with Pt are also reported. Results showed that as the milling time increases, the HOR kinetics improve. Pt particles grow mainly on the surface of highly deformed Ni-20Cr particles. Ni-20Cr and Ni-20Cr/Pt with 12 and 8 h of milling, respectively, are good candidates for HOR in an alkaline medium.
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页数：9
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