Ethylene sulfite based electrolyte for non-aqueous lithium oxygen batteries |
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| Authors: | Chaolumen Wu Chen-Bo Liao Lei Li Jun Yang |
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| Institution: | a School of Chemistry and Chemical Engineering, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China;
b Shanghai Electrochemical Energy Devices Research Center, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China |
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| Abstract: | Non-aqueous lithium-oxygen (Li-O2) 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-O2 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-O2 batteries was reported. ES solvent showed low volatility and high electrochemical stability. Without a catalyst in the air-electrode of Li-O2 batteries, the batteries showed high specific capacity, good round-trip efficiency and cycling stability. |
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| Keywords: | Lithium-oxygen batteries Electrolyte Ethylene sulfite Cycling stability Electrochemical stability |
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