Title:
METHOD FOR MANUFACTURING CAPACITOR MEMBER, CAPACITOR, ELECTRIC CIRCUIT, CIRCUIT BOARD, EQUIPMENT, AND POWER STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/218929
Kind Code:
A1
Abstract:
A method for manufacturing a capacitor member according to the present disclosure includes forming, on a valve metal, a modified layer containing a metal other than the valve metal by a cathodic reaction. In this manufacturing method, εH/KH [V/nm] > εL/KL [V/nm] is satisfied. εH is the dielectric constant of oxide of the metal other than the valve metal. KH [nm/V] is the thickness of the first oxide film of the metal per 1 V of anode potential when the first oxide film is formed by anodic oxidation. εL is the dielectric constant of the oxide of the valve metal. KL [nm/V] is the thickness of the second oxide film including the oxide of the valve metal per 1 V of anode potential when the second oxide film is formed by anodic oxidation.
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Inventors:
KANOU MANABU
KIKUCHI RYOSUKE
KIKUCHI RYOSUKE
Application Number:
PCT/JP2023/016106
Publication Date:
November 16, 2023
Filing Date:
April 24, 2023
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01G9/07; C25D11/16; H01G9/00; H01G9/045; H01G9/15
Domestic Patent References:
| WO2017154461A1 | 2017-09-14 |
Foreign References:
| JP2021136451A | 2021-09-13 | |||
| JPS59134812A | 1984-08-02 |
Attorney, Agent or Firm:
KAMADA Koichi et al. (JP)
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