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Cited by 200

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Tailoring Oxygen Reduction Reaction Kinetics on Perovskite Oxides via Oxygen Vacancies for Low‐Temperature and Knittable Zinc–Air Batteries

Open access
Huang, Hongjiao, Huang, Aoming, Liu, Di, Han, Wentao, Kuo, Chun‐Han, Chen, Han‐Yi, Li, Linlin, Pan, Hui, Peng, Shengjie·2023·Advanced Materials

Abstract

High kinetics oxygen reduction reaction (ORR) electrocatalysts under low temperature are critical and highly desired for temperature‐tolerant energy conversion and storage devices, but remain insufficiently investigated. Herein, oxygen vacancy‐rich porous perovskite oxide (CaMnO 3) nanofibers coated with reduced graphene oxide coating (V‐CMO/rGO) are developed as the air electrode catalyst for low‐temperature and knittable Zn–air batteries. V‐CMO/rGO exhibits top‐level ORR activity among perovskite oxides and shows impressive kinetics under low temperature. Experimental and theoretical calculation results reveal that the synergistic effect between metal atoms and oxygen vacancies, as well as the accelerated kinetics and enhanced electric conductivity and mass transfer over the rGO coated nanofiber 3D network contribute to the enhanced catalytic activity. The desorption of ORR intermediate is promoted by the regulated electron filling. The V‐CMO/rGO drives knittable and flexible Zn–air batteries under a low temperature of −40 °C with high peak power density of 56 mW cm−2 and long cycle life of over 80 h. This study provides insight of kinetically active catalyst and facilitates the ZABs application in harsh environment.

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Metadata

Authors
Huang, H., Huang, A., Liu, D., Han, W., Kuo, C., Chen, H., Li, L., Pan, H., & Peng, S.
Venue
Advanced Materials
Publisher
Wiley
Published
2023-07-20
Volume
35
Issue
36
Pages
e2303109-e2303109
ISSN
  • 0935-9648 (ISSN-L)
  • 1521-4095
OpenAlex
W4378647418
Cited by
200
References
2
FWCI
9.36
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Tailoring Oxygen Reduction Reaction Kinetics on Perovskite Oxides via Oxygen Vacancies for Low‐Temperature and Knittable Zinc–Air Batteries. https://app.cochat.ai/papers/10.1002/adma.202303109
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Huang, H., Huang, A., Liu, D., Han, W., Kuo, C., Chen, H., Li, L., Pan, H., & Peng, S. (2023). Tailoring Oxygen Reduction Reaction Kinetics on Perovskite Oxides via Oxygen Vacancies for Low‐Temperature and Knittable Zinc–Air Batteries. Advanced Materials. https://doi.org/10.1002/adma.202303109

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