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Patent Searching and Data


Title:
ELECTROLYTIC CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2021/085555
Kind Code:
A1
Abstract:
This electrolytic capacitor is provided with an element stack comprising a plurality of capacitor elements stacked together, an outer package in which the element stack is sealed, a first external electrode, and a second external electrode. Each of the plurality of capacitor elements comprises a first end portion exposing an anode material, and a second end portion covered by a cathode portion. The end face of at least the first end portion is exposed from the outer package. The plurality of capacitor elements include a first capacitor element having the first end portion facing a first face of the outer package, and a second capacitor element having the first end portion facing a second face of the outer package different from the first face, wherein the first capacitor element and the second capacitor element are stacked alternately. The first end portion of the first capacitor element is electrically connected to the first external electrode, and the first end portion of the second capacitor element is electrically connected to the second external electrode, whereby high capacity is achieved while maintaining the ESL low.

Inventors:
SUZUKI SHINYA
KUMAKAWA TAKAHIRO
KURITA JUNICHI
Application Number:
PCT/JP2020/040688
Publication Date:
May 06, 2021
Filing Date:
October 29, 2020
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01G4/30; H01G9/008; H01G9/012; H01G9/048; H01G9/06; H01G9/14; H01G9/15
Domestic Patent References:
WO2009028183A12009-03-05
Foreign References:
JP2009123938A2009-06-04
JP2008270317A2008-11-06
JP2017183555A2017-10-05
JP2010097968A2010-04-30
JP2010062406A2010-03-18
Attorney, Agent or Firm:
KAWASAKI, HASHIMOTO AND PARTNERS (JP)
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