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Issue 9, 2020
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Cobalt and nitrogen codoped carbon nanotubes derived from a graphitic C3N4 template as an electrocatalyst for the oxygen reduction reaction

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Abstract

Sluggish oxygen reduction reaction kinetics have been a main obstacle for commercial application of fuel cells. To replace Pt-based noble metal electrocatalysts, it is crucial to develop economical materials as electrocatalysts. Herein, we provide a strategy to prepare Co and N codoped carbon nanotubes for efficient oxygen reduction reaction. The composites are synthesized by hydrothermal reaction followed by calcination at 900 °C. Graphitic carbon nitride is used as a template and nitrogen source, and citric acid and cobalt nitrate hexahydrate are used as carbon and cobalt sources, respectively. Due to the synergistic effect of Co and N codoping and increased specific surface area, the resulting Co and N codoped carbon nanotubes exhibit excellent catalytic performance. The present results provide experimental support for further development of electrocatalysts.

Graphical abstract: Cobalt and nitrogen codoped carbon nanotubes derived from a graphitic C3N4 template as an electrocatalyst for the oxygen reduction reaction

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Supplementary files

Article information


Submitted
19 Jun 2020
Accepted
30 Jul 2020
First published
31 Jul 2020

This article is Open Access

Nanoscale Adv., 2020,2, 3963-3971
Article type
Paper

Cobalt and nitrogen codoped carbon nanotubes derived from a graphitic C3N4 template as an electrocatalyst for the oxygen reduction reaction

J. Zhang, C. Li, M. Zhang, J. Zhang, X. Wu, X. Li and W. Lü, Nanoscale Adv., 2020, 2, 3963
DOI: 10.1039/D0NA00502A

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