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| Ethylene sulfite based electrolyte for non-aqueous lithium oxygen batteries |
| Chaolumen Wua, Chen-Bo Liaoa, Lei Lia, Jun Yangb |
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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Received: 04 January 2016
Published: 19 March 2016
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| Fund:The work was supported by the National Key Basic Research Program of China (No. 2014CB932303), the National Natural Science Foundation of China (No. 21573145). |
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