Title:
SALT, ELECTROLYSIS SOLUTION AND ELECTROCHEMICAL DEVICE USING THE SAME
Document Type and Number:
Japanese Patent JP3715436
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain the subject new compound having a low melting point sufficient to practical use, liquid at a usual temperature, stable even in chemically.electrochemically with a slight corrosion.
SOLUTION: This compound is expressed by the formula (R1 and R3 are each a 1-8C alkyl; R2, R4 and R5 are each H or a 1-3C alkyl), e.g. 1-ethyl-3- methyl-imidazolium bis(pentafluoroethanesulfonyl)amide. The compound of the formula is obtained by subjecting a substituted imidazolium halide obtained by refluxing an R1,R2,R4,R5-substituted imidazole and an alkyl halide (R3X) with (C2F5SO2)2NLi to ion exchange in an aqueous solution. The substituted imidazolium halide can be obtained by, e.g. dissolving 1-methylimidazole to acetonitrile, adding ethyl bromide and refluxing and distilling out excess ethyl bromide and acetonitrile under a reduced pressure after the reaction.
Inventors:
Michiko Sato
Takashi Kubogi
Norio Takami
Takahisa Osaki
Takashi Kubogi
Norio Takami
Takahisa Osaki
Application Number:
JP18490298A
Publication Date:
November 09, 2005
Filing Date:
June 30, 1998
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
C07D233/58; C07C311/48; H01M10/05; H01M10/0568; (IPC1-7): C07D233/58; C07C311/48; H01M10/40
Domestic Patent References:
| JP3472133B2 |
Foreign References:
| WO1997002252A1 |
Other References:
Jay L. Goldman and Alan B. McEwen,EMIIm and EMIBeti on Aluminum,Electrochemical and Solid-State Letters,1999年,Vol.2,No.10,501-503
Beatrice Garcia and Michel Armand,Aluminium corrosion in room temperature molten salt,Journal of Power Sources,2004年,Vol.132,206-208
Xianming Wang, Eiki Yasukawa and Shichiro Mori,Inhibition of anodic corrosion of aluminium cathode current collector on recharging in lithium imide,2000年,Vol.45,2677-2684
Beatrice Garcia and Michel Armand,Aluminium corrosion in room temperature molten salt,Journal of Power Sources,2004年,Vol.132,206-208
Xianming Wang, Eiki Yasukawa and Shichiro Mori,Inhibition of anodic corrosion of aluminium cathode current collector on recharging in lithium imide,2000年,Vol.45,2677-2684
Attorney, Agent or Firm:
Hiroshi Horiguchi
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