Rechargeable potassium-oxygen (K-O2) batteries promise to provide higher round−trip efficiency and cycle life than other alkali-oxygen batteries with satisfactory gravimetric energy density (935 Wh kg−1). Here, we demonstrate that exploiting a strong electron-donating-solvent, e.g. dimethyl sulfoxide (DMSO), which strongly stabilizes the discharge product (KO2), results in significant improvement in electrode Published in:

Published in: Angewandte Chemie International Edition

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