Issue 4, 2020

Synthesis of Fe3C@porous carbon nanorods via carbonizing Fe complexes for oxygen reduction reaction and Zn–air battery

Abstract

Fe-Based electrocatalysts on carbon substrates are considered suitable candidates for applications in Zn–air batteries due to their favorable ORR performance. Herein, unique Fe3C@N-doped porous carbon nanorods have been synthesized using a soft template method and carbonization. The material proved to have a porous hetero-structure, which is advantageous in providing effective electrocatalysis performance for oxygen reduction reaction, providing broad prospects for the development of non-precious metal electrocatalysts and metal–air batteries. This catalyst used for oxygen reduction reaction exhibits a half-wave of 0.83 V, which is close to that of the commercial Pt/C catalyst. Using the as-prepared Fe3C@N-doped porous carbon nanorods, the open circuit potential and power density of a Zn–air battery has been measured as 1.42 V and 126.4 mW cm−2, respectively, which are better than those of the commercial Pt/C. This study presents a novel strategy to prepare Fe3C@N-doped porous carbon nanorods, which can be used as highly effective oxygen reduction reaction catalysts for Zn–air batteries.

Graphical abstract: Synthesis of Fe3C@porous carbon nanorods via carbonizing Fe complexes for oxygen reduction reaction and Zn–air battery

Supplementary files

Article information

Article type
Research Article
Submitted
27 نومبر 2019
Accepted
02 جنؤری 2020
First published
03 جنؤری 2020

Inorg. Chem. Front., 2020,7, 889-896

Synthesis of Fe3C@porous carbon nanorods via carbonizing Fe complexes for oxygen reduction reaction and Zn–air battery

Y. Zhang, Y. Zhao, M. Ji, H. Zhang, M. Zhang, H. Zhao, M. Cheng, J. Yu, H. Liu, C. Zhu and J. Xu, Inorg. Chem. Front., 2020, 7, 889 DOI: 10.1039/C9QI01544B

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