期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 119, 期 32, 页码 18084-18090出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcc.5b04950
关键词
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资金
- ReLiable project - Danish Council for Strategic Research - Programme Commission on Sustainable Energy and Environment under Danish Innovation Foundation [11-116792/0603-00462B]
Ionic liquids (ILs) have been proposed as promising solvents for Li-air battery electrolytes. Here, several ILs have been investigated using differential electrochemical mass spectrometry (DEMS) to investigate the electrochemical stability in a Li-O-2 system, by means of quantitative determination of the rechargeability (GER/ORR), and thereby the Coulombic efficiency of discharge and charge. None of the IL-based electrolytes are found to behave as needed for a functional Li-O-2 battery but perform better than commonly used organic solvents. Also the extent of rechargeability/reversibility has been found to be strongly dependent on the choice of IL cation and anion as well as various impurities.
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