Electrolytic capacitor and large surface area electrode element therefor

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dc.contributor.author Verhoeven, John
dc.contributor.author Gibson, Edwin
dc.contributor.department Iowa State University Research Foundation, Inc.
dc.date 2018-02-13T15:28:01.000
dc.date.accessioned 2020-06-30T06:15:13Z
dc.date.available 2020-06-30T06:15:13Z
dc.date.embargo 2013-10-02
dc.date.issued 1991-10-29
dc.description.abstract <p>An electrode element for an electrolytic capacitor comprises an electrode body having a plurality of ultra-fine, ribbon-shaped filaments of Al and X (where X is selected from Nb and Ta) interspersed and aligned along an axis of the body. The Al filaments are preferentially removed from a portion of the electrode body to provide a large surface area electrode surface comprising exposed end surfaces of the Al filaments and exposed lengths of the X filaments protruding beyond the exposed end surfaces of the Al filaments. Dielectric oxide films are formed on the exposed surfaces of the Al filaments and on the exposed lengths of the X filaments by an anodizing operation. A solid or liquid electrolyte is infiltrated into interfilament interstices between the exposed lengths of the X filaments and a cathode electrode is placed in electrically conductive relation to the electrolyte to form an electrolytic capacitor.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/patents/229/
dc.identifier.articleid 1240
dc.identifier.contextkey 4658572
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath patents/229
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/56604
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/patents/229/US5062025.pdf|||Fri Jan 14 22:44:49 UTC 2022
dc.subject.disciplines Engineering
dc.subject.disciplines Materials Science and Engineering
dc.subject.keywords Materials Science and Engineering
dc.subject.keywords Ames Laboratory
dc.title Electrolytic capacitor and large surface area electrode element therefor
dc.type article
dc.type.genre patent
dspace.entity.type Publication
relation.isOrgUnitOfPublication 0b21e0ba-edf0-4137-9d16-53da01b11c6e
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