Invention Grant
- Patent Title: Electrolyte solution for electrolytic capacitor and electrolytic capacitor utilizing said electrolyte solution
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Application No.: US16075992Application Date: 2017-02-08
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Publication No.: US11309136B2Publication Date: 2022-04-19
- Inventor: Fumiyuki Tanabe , Takahiro Shiba , Yoshihiko Akazawa , Takao Mukai
- Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
- Applicant Address: JP Kyoto
- Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
- Current Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
- Current Assignee Address: JP Kyoto
- Agency: JCIPRNET
- Priority: JPJP2016-021956 20160208,JPJP2016-198844 20161007
- International Application: PCT/JP2017/004635 WO 20170208
- International Announcement: WO2017/138578 WO 20170817
- Main IPC: H01G9/035
- IPC: H01G9/035 ; H01G9/145
Abstract:
The purpose of the present invention is to provide an electrolyte solution for an electrolytic capacitor which has high withstand voltage. The electrolyte solution for an electrolytic capacitor that is used contains: an organic solvent; an acrylic polymer which has hydroxy group and/or carboxy group; and an electrolyte. A concentration of hydroxy groups included in the organic solvent is 10 mmol/g or less with respect to the weight of the organic solvent.
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