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A Review of Precious‐Metal‐Free Bifunctional Oxygen Electrocatalysts: Rational Design and Applications in Zn−Air Batteries

Wang, Hao‐Fan, Tang, Cheng, Zhang, Qiang·2018·Advanced Functional Materials

Abstract

The bifunctional electrocatalysis of oxygen reduction reactions (ORRs) and oxygen evolution reactions (OERs) is critical for the development of rechargeable Zn–air batteries. Both ORRs and OERs suffer from sluggish kinetics and high overpotentials, and the bifunctional reactivity is limited by the scaling relationship. Therefore, smart designs on electrocatalysts are requested to achieve high bifunctional ORR/OER activity and excellent performance in Zn–air batteries. Herein, the requirements for bifunctional oxygen electrocatalysts are first introduced. Then the recent advances of precious‐metal‐free active materials and regulation methods of their intrinsic activity are introduced. The structural design principles to improve the accessibility of the active sites are further presented. Finally, a brief overview of the applications of bifunctional oxygen electrocatalysts in Zn–air batteries, including routine liquid batteries and flexible solid‐state batteries, is presented. This review affords rational design principles and strategies for nonprecious bifunctional ORR/OER electrocatalysts, which are expected to guide the targeted optimization of electrocatalysts and further exploration of emerging candidates.

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Metadata

Authors
Wang, H., Tang, C., & Zhang, Q.
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2018-08-17
Volume
28
Issue
46
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2887954547
Cited by
772
References
11
FWCI
20.93
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A Review of Precious‐Metal‐Free Bifunctional Oxygen Electrocatalysts: Rational Design and Applications in Zn−Air Batteries. https://app.cochat.ai/papers/10.1002/adfm.201803329
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Wang, H., Tang, C., & Zhang, Q. (2018). A Review of Precious‐Metal‐Free Bifunctional Oxygen Electrocatalysts: Rational Design and Applications in Zn−Air Batteries. Advanced Functional Materials. https://doi.org/10.1002/adfm.201803329

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