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Li–O2 batteries

An agent for change

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The rechargeable Li–O2 battery has low energy efficiency, which is mainly due to kinetic difficulties in the electrochemical oxidation of the insulating discharge product, Li2O2. Now a redox mediator, acting as an electron–hole transfer agent, has been used to promote this oxidation reaction.

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Figure 1: Schematic illustration of an electron–hole transfer agent that promotes the oxidation of solid Li2O2.

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Authors and Affiliations

  1. Yonggang Wang and Yongyao Xia are in the Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Institute of New Energy, Concerted Innovative Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, China,

    Yonggang Wang & Yongyao Xia

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  1. Yonggang Wang
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  2. Yongyao Xia
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Correspondence to Yongyao Xia.

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Wang, Y., Xia, Y. An agent for change. Nature Chem 5, 445–447 (2013). https://doi.org/10.1038/nchem.1658

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