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Ethylene sulfite based electrolyte for non-aqueous lithium oxygen batteries

Chaolumen Wu  Chen-Bo Liao  Lei Li  Jun Yang  
【摘要】:Non-aqueous lithium–oxygen(Li–O_2) batteries have been considered as the superior energy storage system due to their high-energy density, however, some challenges limit the practical application of Li–O_2 batteries. One of them is the lack of stable electrolyte. In this communication, a novel electrolyte with ethylene sulfite(ES) used as solvent for Li–O_2 batteries was reported. ES solvent showed low volatility and high electrochemical stability. Without a catalyst in the air-electrode of Li–O_2 batteries, the batteries showed high specific capacity, good round-trip efficiency and cycling stability.

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