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

Author:
ZhaoThese authors contributed equally to this work., Liyuan, Xing, Yi, Xie, Xiaoyi, Lai, Jingning, Zhao, Nana, Chen, Nan, Li, Li, Wu, Feng, Chen, Renjie
Source:
Chemical communications 2019 v.55 no.14 pp. 2102-2105
ISSN:
1364-548X
Subject:
batteries, chemical communication, chemical compounds, chemical reactions, graphene
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.
Agid:
6308039