Electrochemical catalytic contribution of transition metals at the center of porphyrin macrocycle structures as catalysts for oxygen reduction reaction

被引:10
|
作者
Kim, Do-Hyoung [1 ]
Kwak, Da-Hee [1 ]
Han, Sang-Beom [1 ]
Kim, Min-Cheol [1 ]
Park, Hyun-Suk [1 ]
Park, Jin-Young [1 ]
Won, Ji-Eun [1 ]
Ma, Kyoung-Bae [1 ]
Park, Kyung-Won [1 ]
机构
[1] Soongsil Univ, Dept Chem Engn, Seoul 156743, South Korea
基金
新加坡国家研究基金会;
关键词
Porphyrin macrocycle structure; Non-precious catalyst; Electrochemical polymerization; Oxygen reduction reaction; ACTIVE-SITES; ELECTROCATALYSTS; ELECTROPOLYMERIZATION; PERFORMANCE; THIOPHENE; IRON;
D O I
10.1016/j.jiec.2017.05.034
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In a macrocyclic structure, the contribution of the metal-N-4 sites to oxygen reduction reaction (ORR) remains controversial.ln this study, to investigate the contribution of macrocyclic cathode catalysts to the ORR properties in the macrocyclic sites excluding various synthetic conditions, the macrocyclic cathode catalysts were prepared using an electrochemical polymerization method at room temperature. The ORR activity of the deposited electrodes as catalysts was evaluated in an alkaline medium. To clarify the core metal as an active site in the macrocyclic structure as a cathode catalyst for the ORR, a CN--poisoning test of core metal site was performed. (C) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:200 / 204
页数:5
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