One-pot synthesis of Fe3O4/Fe/C by microwave sintering as an efficient bifunctional electrocatalyst for oxygen reduction and oxygen evolution reactions

被引：16

作者：

Zhang, Zejie ^{[1
]}

Zhou, Debi ^{[2
]}

Liao, Jingjing ^{[1
]}

Bao, Xinjun ^{[2
]}

Luo, Supu ^{[3
]}

机构：

[1] Cent S Univ, State Key Lab Powder Met, Changsha, Hunan, Peoples R China

[2] Cent S Univ, Sch Chem & Chem Engn, Changsha, Hunan, Peoples R China

[3] Dongguan Guoci New Mat Technol Co Ltd, Dongguan, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 786卷

关键词：

Electro catalytic; OER; Microwave sintering; ORR; EIS; CARBON LAYERS; DOPED CARBON; CO; CATALYSTS; ALLOY; FE; NI;

D O I：

10.1016/j.jallcom.2019.01.318

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 Fe3O4/Fe/C catalyst for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) was prepared using a facile microwave sintering method. The Fe3O4/Fe/C electrode showed excellent electro catalytic ability on both ORR and OER in alkaline medium. The phase was characterised by X-ray diffraction (XRD). The current density of the Fe/C electrode was 147 mA cm(-2) at -0.2 V (vs. Hg/HgO) and 97 mA cm(-2) at 0.7 V (vs. Hg/HgP) in 6 mol L-1 KOH electrolyte at room temperature. The mechanism of ORR and OER was explored by the AC impedance. (C) 2019 Elsevier B.V. All rights reserved.

引用

页码：134 / 138

页数：5

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