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Cited by 359

The DOI matches its Crossref record; 71 of the 71 references it cites were found in a registry or an index.

Construction of a sp3/sp2 Carbon Interface in 3D N‐Doped Nanocarbons for the Oxygen Reduction Reaction

Open access
Gao, Jian, Wang, Yun, Wu, Haihua, Liu, Xi, Wang, Leilei, Yu, Qiaolin, Li, Aowen, Wang, Hong, Song, Chuqiao, Gao, Zirui, Peng, Mi, Zhang, Mengtao, Ma, Na, Wang, Jiaou, Zhou, Wu, Wang, Guoxiong, Yin, Zhen, Ma, Ding·2019·Angewandte Chemie International Edition

Abstract

The development of highly efficient metal‐free carbon electrocatalysts for the oxygen reduction reaction (ORR) is one very promising strategy for the exploitation and commercialization of renewable and clean energy, but this still remains a significant challenge. Herein, we demonstrate a facile approach to prepare three‐dimensional (3D) N‐doped carbon with a sp 3/sp 2 carbon interface derived from ionic liquids via a simple pyrolysis process. The tunable hybrid sp 3 and sp 2 carbon composition and pore structures stem from the transformation of ionic liquids to polymerized organics and introduction of a Co metal salt. Through tuning both composition and pores, the 3D N‐doped nanocarbon with a high sp 3/sp 2 carbon ratio on the surface exhibits a superior electrocatalytic performance for the ORR compared to that of the commercial Pt/C in Zn–air batteries. Density functional theory calculations suggest that the improved ORR performance can be ascribed to the existence of N dopants at the sp 3/sp 2 carbon interface, which can lower the theoretical overpotential of the ORR.

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Metadata

Authors
Gao, J., Wang, Y., Wu, H., Liu, X., Wang, L., Yu, Q., Li, A., Wang, H., Song, C., Gao, Z., Peng, M., Zhang, M., Ma, N., Wang, J., Zhou, W., Wang, G., Yin, Z., & Ma, D.
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2019-09-18
Volume
58
Issue
42
Pages
15089-15097
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2969763848
Cited by
359
References
71
FWCI
7.47
Type
journal article
Language
en
Open access
green

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The paper
Gao, J., Wang, Y., Wu, H., Liu, X., Wang, L., Yu, Q., Li, A., Wang, H., Song, C., Gao, Z., Peng, M., Zhang, M., Ma, N., Wang, J., Zhou, W., Wang, G., Yin, Z., & Ma, D. (2019). Construction of a sp3/sp2 Carbon Interface in 3D N‐Doped Nanocarbons for the Oxygen Reduction Reaction. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201907915

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