Title:
ELECTROCHEMICAL CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2022/181605
Kind Code:
A1
Abstract:
The purpose of the present invention is to suppress a decrease in the float characteristics of an electrochemical capacitor; and an electrochemical capacitor according to the present invention is provided with a positive electrode, a negative electrode, a separator that is interposed between the positive electrode and the negative electrode, and an electrolyte solution. The electrolyte solution contains a lactone compound. The capacity of the positive electrode is higher than the capacity of the negative electrode, but is not higher than 1.6 times the capacity of the negative electrode.
Inventors:
MIYAGUCHI NAO
Application Number:
PCT/JP2022/007212
Publication Date:
September 01, 2022
Filing Date:
February 22, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01G11/00; H01G11/26; H01G11/32; H01G11/60; H01G11/62
Domestic Patent References:
| WO2019188760A1 | 2019-10-03 |
Foreign References:
| JP2014029898A | 2014-02-13 | |||
| JP2012084612A | 2012-04-26 | |||
| JP2012069910A | 2012-04-05 | |||
| JP2000286161A | 2000-10-13 | |||
| JPS61203614A | 1986-09-09 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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