An optimized LiNO3/DMSO electrolyte for high-performance rechargeable LiO2 batteries

Publisher:
Royal Society of Chemistry
Publication Type:
Journal Article
Citation:
RSC Advances, 2014, 4 pp. 11115 - 11120
Issue Date:
2014-01
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Finding stable electrolytes is essential to address the poor cycling capability of current rechargeable non-aqueous LiO2 batteries. An optimized dimethyl sulfoxide (DMSO) based electrolyte using lithium nitrate (LiNO3) as the lithium salt has been first investigated for rechargeable LiO2 batteries. The charge over-potential of LiO2 batteries with LiNO3/DMSO electrolyte is 0.42 V lower than that of batteries with LiClO4/DMSO electrolyte. The LiO2 batteries with LiNO3/DMSO electrolyte also showed excellent high C-rate performance and good cycling stability.
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