Deactivation of redox mediators in lithium-oxygen batteries by singlet oxygen

Redox mediators can enhance redox reactions in Li-O2 batteries; however, their gradual degradation remains unclear. Here the authors show that organic redox mediators are decomposed by singlet oxygen formed during cycling, indicating a strategy for the rational design of stable redox mediators.

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Bibliographic Details
Main Authors: Won-Jin Kwak, Hun Kim, Yann K. Petit, Christian Leypold, Trung Thien Nguyen, Nika Mahne, Paul Redfern, Larry A. Curtiss, Hun-Gi Jung, Sergey M. Borisov, Stefan A. Freunberger, Yang-Kook Sun
Format: article
Language:EN
Published: Nature Portfolio 2019
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Online Access:https://doaj.org/article/ce9e0e2bb41d423b97ecd95aacce31f8
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