期刊
ELECTROCHEMISTRY
卷 83, 期 2, 页码 91-94出版社
ELECTROCHEMICAL SOC JAPAN
DOI: 10.5796/electrochemistry.83.91
关键词
Sodium Secondary Battery; Ionic Liquid; Wide Operation Temperature; Charge-discharge Performance
资金
- Advanced Low Carbon Technology Research and Development Program (ALCA) of Japan Science and Technology Agency (JST)
- Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
A sodium secondary battery has been constructed by using a nonvolatile and nonflammable Na[FSA]-[C(3)C(1)pyrr][FSA] (FSA = bis(fluorosulfonyl)amide, C(3)C(1)pyrr = N-methyl-N-propylpyrrolidinium) ionic liquid, a NaCrO2 positive electrode and a Na metal negative electrode. The charge-discharge performance is evaluated over a wide temperature range of 20-90 degrees C. It has been demonstrated that the sodium secondary battery has long cycle lives both at a high temperature of 90 degrees C and at a low temperature of 0 degrees C. Thus, the ionic liquid-based sodium secondary battery is expected to be a viable alternative to lithium ion battery for many applications. (C) The Electrochemical Society of Japan, All rights reserved.
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