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Title:
NONAQUEOUS ELECTROLYTE AND LITHIUM-ION SECONDARY BATTERY CONTAINING THE SAME
Document Type and Number:
WIPO Patent Application WO/2003/077350
Kind Code:
A1
Abstract:
A battery of large capacity that is excellent in storability, load, cycle and continuous charging characteristics and that minimizes gas evolution; and a nonaqueous electrolyte for use in the battery. In particular, a nonaqueous electrolyte comprising a nonaqueous organic solvent and, dissolved therein, a lithium salt, characterized in that the nonaqueous organic solvent contains at least one compound selected from among acid anhydrides and carbonic esters having an unsaturated bond and at least one compound selected from among sulfonic compounds and fluorinated aromatic compounds of C9 or less; a lithium-ion secondary battery containing the same

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Inventors:
ONUKI MASAMICHI (JP)
KOTATO MINORU (JP)
KONNO ISAO (JP)
KINOSHITA SHINICHI (JP)
SHIMA NORIKO (JP)
Application Number:
PCT/JP2003/002741
Publication Date:
September 18, 2003
Filing Date:
March 07, 2003
Export Citation:
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Assignee:
MITSUBISHI CHEM CORP (JP)
ONUKI MASAMICHI (JP)
KOTATO MINORU (JP)
KONNO ISAO (JP)
KINOSHITA SHINICHI (JP)
SHIMA NORIKO (JP)
International Classes:
H01M10/0525; H01M10/0567; H01M10/36; H01M4/131; H01M4/133; H01M4/52; H01M4/525; H01M4/58; H01M4/587; (IPC1-7): H01M10/40
Foreign References:
JP2003163032A2003-06-06
JP2001043895A2001-02-16
JP2002033127A2002-01-31
JP2002134170A2002-05-10
JP2002008718A2002-01-11
JP2001057236A2001-02-27
JPH11329496A1999-11-30
JP2002359001A2002-12-13
JP2002280063A2002-09-27
Attorney, Agent or Firm:
Oguri, Shohei (28th Floor ARK Mori Building, 12-32, Akasaka 1-chom, Minato-ku Tokyo, JP)
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