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Thousands of cycles

Potassium–air batteries, which suffer from oxygen cathode and potassium metal anode degradation, can be cycled thousands of times when an organic anode replaces the metal.

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Fig. 1: Thermodynamics of the potassium–O2 cell.


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Correspondence to Stefan A. Freunberger.

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Petit, Y.K., Freunberger, S.A. Thousands of cycles. Nat. Mater. 18, 301–302 (2019).

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