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Cited by 535

The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

Pyridinic-N-Dominated Doped Defective Graphene as a Superior Oxygen Electrocatalyst for Ultrahigh-Energy-Density Zn–Air Batteries

Wang, Qichen, Ji, Yujin, Lei, Yongpeng, Wang, Yaobing, Wang, Yingde, Li, Youyong, Wang, Shuangyin·2018·ACS Energy Letters

Abstract

Identification of catalytic sites for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in carbon materials remains a great challenge. Here, we construct a pyridinic-N-dominated doped graphene with abundant vacancy defects. The optimized sample with an ultrahigh pore volume (3.43 cm 3 g –1 ) exhibits unprecedented ORR activity with a half-wave potential of 0.85 V in alkaline. For the first time, density functional theory results indicate that the quadri-pyridinic N-doped carbon site synergized with a vacancy defect is the active site, which presents the lowest overpotential of 0.28 V for ORR and 0.28 V for OER. The primary Zn–air batteries display a maximum power density of 115.2 mW cm –2 and an energy density as high as 872.3 Wh kg –1 . The rechargeable Zn–air batteries illustrate a low discharge–charge overpotential and high stability (>78 h). This work provides new insight into the correlation between the N configuration synergized with a vacancy defect in electrocatalysis.

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Metadata

Authors
Wang, Q., Ji, Y., Lei, Y., Wang, Y., Wang, Y., Li, Y., & Wang, S.
Venue
ACS Energy Letters
Published
2018-04-05
Volume
3
Issue
5
Pages
1183-1191
ISSN
2380-8195 (ISSN-L)
OpenAlex
W2796121431
Cited by
535
References
6
FWCI
17.31
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Pyridinic-N-Dominated Doped Defective Graphene as a Superior Oxygen Electrocatalyst for Ultrahigh-Energy-Density Zn–Air Batteries. https://app.cochat.ai/papers/10.1021/acsenergylett.8b00303
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Wang, Q., Ji, Y., Lei, Y., Wang, Y., Wang, Y., Li, Y., & Wang, S. (2018). Pyridinic-N-Dominated Doped Defective Graphene as a Superior Oxygen Electrocatalyst for Ultrahigh-Energy-Density Zn–Air Batteries. ACS Energy Letters. https://doi.org/10.1021/acsenergylett.8b00303

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