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Highly Curved Nanostructure‐Coated Co, N‐Doped Carbon Materials for Oxygen Electrocatalysis

Liang, Zuozhong, Kong, Ningning, Yang, Chenxi, Zhang, Wei, Zheng, Haoquan, Lin, Haiping, Cao, Rui·2021·Angewandte Chemie International Edition

Abstract

Nitrogen‐doped graphene could catalyze the electrochemical reduction and evolution of oxygen, but unfortunately suffers from sluggish catalytic kinetics. Herein, for the first time, we report an onion‐like carbon coated Co, N‐doped carbon (OLC/Co‐N‐C) material, which possesses multilayers of highly curved nanostructures that form mesoporous architectures. These unique nanospheres are produced when surfactant micelles are introduced to synthesis precursors. Owing to the combined electronic effect and nanostructuring effect, our OLC/Co‐N‐C materials exhibit high bifunctional oxygen reduction/evolution reaction (ORR/OER) activity, showing a promising application in rechargeable Zn‐air batteries. Experimental results are rationalized by theoretical calculations, showing that the curvature of graphitic carbon plays a vital role in promoting activities of meta‐carbon atoms near graphitic N and ortho/meta carbon atoms close to pyridinic N.

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Metadata

Authors
Liang, Z., Kong, N., Yang, C., Zhang, W., Zheng, H., Lin, H., & Cao, R.
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2021-04-13
Volume
60
Issue
23
Pages
12759-12764
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W3135856016
Cited by
222
References
4
FWCI
7.61
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Highly Curved Nanostructure‐Coated Co, N‐Doped Carbon Materials for Oxygen Electrocatalysis. https://app.cochat.ai/papers/10.1002/anie.202101562
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Liang, Z., Kong, N., Yang, C., Zhang, W., Zheng, H., Lin, H., & Cao, R. (2021). Highly Curved Nanostructure‐Coated Co, N‐Doped Carbon Materials for Oxygen Electrocatalysis. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202101562

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