US Patent Application 18245301. SOLID ELECTROLYTIC CAPACITOR ELEMENT AND SOLID ELECTROLYTIC CAPACITOR simplified abstract

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SOLID ELECTROLYTIC CAPACITOR ELEMENT AND SOLID ELECTROLYTIC CAPACITOR

Organization Name

Panasonic Intellectual Property Management Co., Ltd.


Inventor(s)

TAKAHIRO Yoshii of Osaka (JP)

KEI Hirota of Okayama (JP)

HIROMI Ozawa of Osaka (JP)

SOLID ELECTROLYTIC CAPACITOR ELEMENT AND SOLID ELECTROLYTIC CAPACITOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 18245301 titled 'SOLID ELECTROLYTIC CAPACITOR ELEMENT AND SOLID ELECTROLYTIC CAPACITOR

Simplified Explanation

The patent application describes a solid electrolytic capacitor with improved heat resistance.

  • An anode body is provided.
  • A dielectric layer is placed on the surface of the anode body.
  • A cathode part covers at least a portion of the dielectric layer.
  • The cathode part includes a solid electrolyte layer containing a conjugated polymer.
  • The solid electrolyte layer has a first peak attributed to a CC stretching vibration derived from the conjugated polymer.
  • The full width at half maximum of this first peak is between 35 cm and 80 cm in the Raman spectrum of the solid electrolyte layer.
  • By using this solid electrolytic capacitor element, a solid electrolytic capacitor with excellent heat resistance is achieved.


Original Abstract Submitted

An anode body, a dielectric layer disposed on a surface of the anode body, and a cathode part covering at least a part of the dielectric layer are provided. The cathode part includes a solid electrolyte layer covering the at least the part of the dielectric layer and containing a conjugated polymer. A solid electrolytic capacitor having excellent heat resistance is provided by using a solid electrolytic capacitor element where a full width at half maximum of a first peak is in a range from 35 cmto 80 cminclusive when the first peak attributed to a CC stretching vibration derived from the conjugated polymer is fitted with a Lorentz function in a Raman spectrum of the solid electrolyte layer.