Issue 3, 2019

Boosting oxygen reduction activity with low-temperature derived high-loading atomic cobalt on nitrogen-doped graphene for efficient Zn–air batteries

Abstract

High-loading atomic cobalt (12.8 wt%) dispersed on nitrogen-doped graphene was successfully synthesized via considerably low temperature pyrolysis. The catalyst exhibits excellent electrocatalytic performance towards the oxygen reduction reaction with a large limiting diffusion current density of 5.60 mA cm−2 (10% higher than that of commercial Pt/C), and when acting as the air catalyst of Zn–air batteries, a high open-circuit voltage of >1.40 V and excellent power density are also achieved.

Graphical abstract: Boosting oxygen reduction activity with low-temperature derived high-loading atomic cobalt on nitrogen-doped graphene for efficient Zn–air batteries

Supplementary files

Article information

Article type
Communication
Submitted
12 Nov 2018
Accepted
04 Dec 2018
First published
04 Dec 2018

Chem. Commun., 2019,55, 334-337

Boosting oxygen reduction activity with low-temperature derived high-loading atomic cobalt on nitrogen-doped graphene for efficient Zn–air batteries

J. Li, H. Liu, M. Wang, C. Lin, W. Yang, J. Meng, Y. Xu, K. A. Owusu, B. Jiang, C. Chen, D. Fan, L. Zhou and L. Mai, Chem. Commun., 2019, 55, 334 DOI: 10.1039/C8CC08992B

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