Highly active bimetallic CuFe-N-C electrocatalysts for oxygen reduction reaction in alkaline media

被引：14

作者：

Kang, Yun Sik ^{[1
]}

Heo, Yoonhye ^{[2
]}

Jung, Jae Young ^{[2
]}

Sohn, Yeonsun ^{[2
]}

Lee, Soo-Hyoung ^{[2
]}

Jang, Jue-Hyuk ^{[1
]}

Kim, Pil ^{[2
]}

Yoo, Sung Jong ^{[1
,3
,4
]}

机构：

[1] Korea Inst Sci & Technol, Fuel Cell Res Ctr, Seoul 02792, South Korea

[2] Chonbuk Natl Univ, Sch Chem Engn, Jeonju 54896, Jeonbuk, South Korea

[3] UST, KIST Sch, Div Energy & Environm Technol, Seoul 02792, South Korea

[4] Kyung Hee Univ, KIST, Dept Converging Sci & Technol, Seoul 02447, South Korea

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2019年 / 71卷

基金：

新加坡国家研究基金会;

关键词：

Oxygen reduction reaction; Anion exchange membrane fuel cells; Transition metal-nitrogen-carbon catalyst; Polyaniline; CARBON NANOTUBES; PT-ALLOY; CATALYSTS; FE; PERFORMANCE; GRAPHENE; POLYANILINE; IRON; ORR;

D O I：

10.1016/j.jiec.2018.11.031

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Here, we prepare a bimetallic CuFe-N-C catalyst for the oxygen reduction reaction (ORR) by annealing metal precursor-adsorbed polyaniline under an NH3 gas atmosphere at high temperature. The catalyst exhibits higher ORR activity and durability than Pt/C and other monometallic Cu (Fe)-N-C catalysts in 0.1 M KOH. The remarkable catalytic activity of the CuFe-N-C catalyst is due to the interaction between Cu and Fe, which facilitates ORR and also results in higher contents of total N and active N species. In the same vein, single cell using the CuFe-N-C catalyst exhibits greatly enhanced performance compared to those using other catalysts. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：234 / 241

页数：8

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