Title:
ELECTROLYTIC SOLUTION FOR ALUMINUM ELECTROLYTIC CAPACITOR, AND ALUMINUM ELECTROLYTIC CAPACITOR USING SAME
Document Type and Number:
WIPO Patent Application WO/2013/161222
Kind Code:
A1
Abstract:
The present invention addresses the problem of enhancing the reliability of an electrolytic capacitor so that an electrolytic solution does not leak from a sealed part even in a surrounding environment with an enhanced temperature or under humid conditions. An electrolytic solution for an aluminum electrolytic capacitor, comprising (A) an aprotic solvent, (D) an electrolyte consisting of a salt composed of (B) a cation represented by general formula (1) and (C) an anion, and (E) a compound represented by general formula (2), with the content of the compound (E) being 0.01 to 3wt% relative to the total weight of the components (A) and (D). [In general formulae (1) and (2), R1 to R3 are each C1-3 alkyl, R4 to R7 are each C1-3 alkyl or a hydrogen atom, and R8 to R14 are each C1-3 alkyl or a hydrogen atom].
Inventors:
AKAZAWA YOSHIHIKO (JP)
KATOU TAKASHI (JP)
SEIKE HIDEO (JP)
KATOU TAKASHI (JP)
SEIKE HIDEO (JP)
Application Number:
PCT/JP2013/002606
Publication Date:
October 31, 2013
Filing Date:
April 17, 2013
Export Citation:
Assignee:
SANYO CHEMICAL IND LTD (JP)
International Classes:
H01G9/035
Domestic Patent References:
| WO1995015572A1 | 1995-06-08 |
Foreign References:
| JP2004165187A | 2004-06-10 | |||
| JP2005311139A | 2005-11-04 | |||
| JPH0867672A | 1996-03-12 | |||
| JPH11322720A | 1999-11-24 | |||
| JP2964244B1 | 1999-10-18 | |||
| JP2006327956A | 2006-12-07 |
Other References:
See also references of EP 2843673A4
Attorney, Agent or Firm:
SUGIMURA, KENJI (JP)
Kenji Sugimura (JP)
Kenji Sugimura (JP)
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