Li–air batteries: Decouple to stabilize

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The utilization of porous carbon cathodes in lithium–air batteries is hindered by their severe decomposition during battery cycling. Now, dual redox mediators are shown to decouple the complex electrochemical reactions at the cathode, avoiding cathode passivation and decomposition.

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Figure 1: Reaction mechanisms at the carbon cathode.

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Correspondence to Xin-Bo Zhang.

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Xu, J., Zhang, X. Li–air batteries: Decouple to stabilize. Nat Energy 2, 17133 (2017). https://doi.org/10.1038/nenergy.2017.133

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