期刊
JOURNAL OF POWER SOURCES
卷 284, 期 -, 页码 222-226出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2015.03.038
关键词
Methyl nonafluorobuyl ether; Nonflammable electrolyte; Prussian blue; Carbon nanotube; Room temperature sodium batteries
资金
- National Natural Science Foundation of China [21203110, 21371108]
- 973 Project of China [2011CB935901]
- Independent Innovation Foundation of Shandong University (IIFSDU) [2012TB001, 2012ZD008]
- Shandong Provincial Natural Science Foundation for Distinguished Young Scholar [2013JQE27025]
- China Post-doctoral Science Foundation [2013M541903]
Safety problem is one of the key points that hinder the development of room temperature sodium batteries. In this paper, four well-known nonflammable organic compounds, Trimethyl Phosphate (TMP), Tri(2,2,2-trifluoroethyl) phosphite (TFEP), Dimethyl Methylphosphonate (DMMP), Methyl non-afluorobuyl Ether (MFE), are investigated as nonflammable solvents in sodium batteries for the first time. Among them, MFE is stable towards sodium metal at room temperature. The electrochemical properties and electrode compatibility of MFE based electrolyte are investigated. Both Prussian blue cathode and carbon nanotube anode show good electrochemical performance retention in this electrolyte. The results suggest that MFE is a promising option as nonflammable electrolyte additive for sodium batteries. (C) 2015 Elsevier B.V. All rights reserved.
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