Issue 20, 2022

N-doped graphene for electrocatalytic O2 and CO2 reduction

Abstract

The electrocatalytic CO2 reduction reaction (CO2RR) and oxygen reduction reaction (ORR) are important approaches to realize energy conversion and sustainable development. However, sluggish reaction kinetics severely hinders the practical application of devices related to these reactions. N-doped graphene (NG) with unique properties exhibits great potential in catalyzing the CO2RR and ORR, which is attributed to the electron redistribution. In this review, we start from the fundamental properties of NG, especially emphasizing the changes caused by N doping. Then the synthetic methods are summarized by classifying them into top-down strategies and bottom-up strategies. Subsequently, the applications of NG in the ORR and CO2RR are discussed and the effects of electronic structure on the electrocatalytic activity are highlighted. Finally, we give our own perspective on the future research direction of NG in the applications of the ORR and CO2RR.

Graphical abstract: N-doped graphene for electrocatalytic O2 and CO2 reduction

Article information

Article type
Review Article
Submitted
02 6 2022
Accepted
29 8 2022
First published
06 9 2022
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2022,4, 4197-4209

N-doped graphene for electrocatalytic O2 and CO2 reduction

R. Ma, K. Wang, C. Li, C. Wang, A. Habibi-Yangjeh and G. Shan, Nanoscale Adv., 2022, 4, 4197 DOI: 10.1039/D2NA00348A

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