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1. (WO2013145890) ELECTROLYTE SOLUTION FOR ELECTROCHEMICAL DEVICES, ALUMINUM ELECTROLYTIC CAPACITOR, AND ELECTRIC DOUBLE LAYER CAPACITOR

Pub. No.:    WO/2013/145890    International Application No.:    PCT/JP2013/053054
Publication Date: Fri Oct 04 01:59:59 CEST 2013 International Filing Date: Sat Feb 09 00:59:59 CET 2013
IPC: H01G 9/035
H01G 11/54
Applicants: SUMITOMO SEIKA CHEMICALS CO., LTD.
住友精化株式会社
Inventors: OYAMA Shunji
大山 俊治
YAMAMOTO Noriko
山本 紀子
HIRABAYASHI Naoka
平林 尚佳
Title: ELECTROLYTE SOLUTION FOR ELECTROCHEMICAL DEVICES, ALUMINUM ELECTROLYTIC CAPACITOR, AND ELECTRIC DOUBLE LAYER CAPACITOR
Abstract:
A purpose of the present invention is to provide an electrolyte solution for electrochemical devices, which has excellent thermal stability and high decomposition voltage characteristics, while being suppressed in evaporation amount at high temperatures. Another purpose of the present invention is to provide an aluminum electrolytic capacitor and an electric double layer capacitor, each of which is produced using the electrolyte solution for electrochemical devices. The present invention is an electrolyte solution for electrochemical devices, which contains a solvent and an electrolyte, and wherein the solvent contains a sulfone compound represented by formula (1). In formula (1), R represents an alkyl group having 1-6 carbon atoms.