Reducing the overpotential of an aprotic Li–O2 battery using a conductive graphene interlayer

Liyuan Zhao; Yi Xing; Xiaoyi Xie; Jingning Lai; Nana Zhao; Nan Chen; Li Li; Feng Wu; Renjie Chen

doi:10.1039/C8CC09016E

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Reducing the overpotential of an aprotic Li–O₂ battery using a conductive graphene interlayer†

Liyuan Zhao,‡^a Yi Xing,‡^ab Xiaoyi Xie,‡^a Jingning Lai,^a Nana Zhao,^a Nan Chen,^a Li Li,^a Feng Wu^a and Renjie Chen

*^a

Author affiliations

* Corresponding authors

^a School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
E-mail: chenrj@bit.edu.cn

^b Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, China

Abstract

An aprotic Li–O₂ battery incorporating a conductive graphene interlayer displays an ultralow overpotential of 0.67 V and a stable cyclability over 200 cycles at a high current density of 500 mA g⁻¹. The improved performance of the battery is attributed to the role of the graphene interlayer in boosting the formation and decomposition of discharge products.

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Article information

DOI: https://doi.org/10.1039/C8CC09016E
Article type: Communication
Submitted: 13 Nov 2018
Accepted: 23 Jan 2019
First published: 24 Jan 2019

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Chem. Commun., 2019,55, 2102-2105

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Reducing the overpotential of an aprotic Li–O₂ battery using a conductive graphene interlayer

L. Zhao, Y. Xing, X. Xie, J. Lai, N. Zhao, N. Chen, L. Li, F. Wu and R. Chen, Chem. Commun., 2019, 55, 2102 DOI: 10.1039/C8CC09016E

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Chemical Communications