A bi-functional redox mediator promoting the ORR and OER in non-aqueous Li–O2 batteries

Hao Liu; Mingqiang Liu; Luyi Yang; Yongli Song; Xingbo Wang; Kai Yang; Feng Pan

doi:10.1039/C9CC02596K

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A bi-functional redox mediator promoting the ORR and OER in non-aqueous Li–O₂ batteries†

Hao Liu,‡^a Mingqiang Liu,‡^a Luyi Yang,

*^a Yongli Song,^a Xingbo Wang,^a Kai Yang^a and Feng Pan

*^a

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* Corresponding authors

^a School of Advanced Materials, Peking University Shenzhen Graduate School, Shenzhen 518055, China
E-mail: panfeng@pkusz.edu.cn, yangly@pkusz.edu.cn

Abstract

Herein, a bi-functional homogeneous redox mediator is employed to promote the rate capability of Li–O₂ batteries. The addition of this redox mediator not only facilitates the formation of toroid-shaped Li₂O₂ at high current densities, but also significantly reduces the charging over-potential caused by the bulky Li₂O₂.

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Article information

DOI: https://doi.org/10.1039/C9CC02596K
Article type: Communication
Submitted: 03 Apr 2019
Accepted: 10 May 2019
First published: 10 May 2019

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Chem. Commun., 2019,55, 6567-6570

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A bi-functional redox mediator promoting the ORR and OER in non-aqueous Li–O₂ batteries

H. Liu, M. Liu, L. Yang, Y. Song, X. Wang, K. Yang and F. Pan, Chem. Commun., 2019, 55, 6567 DOI: 10.1039/C9CC02596K

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