Cathode foil for electrolytic capacitor, electrolytic capacitor, and method for producing same

Cathode foil for electrolytic capacitor, electrolytic capacitor, and method for producing same

The cathode foil for an electrolytic capacitor has a metal porous part, a metal core part connected to the metal porous part, a first main surface in which pores of the metal porous part open, and a coating film covering the metal porous part. The coating film is formed up to a depth of 10% or more...

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Hauptverfasser: YOSHIMURA MITSUHISA, SASADA, NATSUYO, AOYAMA TATSUJI, OGAWA MIWA
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
ELECTRICITY
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creator YOSHIMURA MITSUHISA
SASADA, NATSUYO
AOYAMA TATSUJI
OGAWA MIWA
description The cathode foil for an electrolytic capacitor has a metal porous part, a metal core part connected to the metal porous part, a first main surface in which pores of the metal porous part open, and a coating film covering the metal porous part. The coating film is formed up to a depth of 10% or more of the thickness of the metal porous part in the thickness direction of the metal porous part. The coating film may include a conductive first layer containing a first element and/or a second layer that is an oxide layer containing a second element. As a result, provided is a cathode foil for an electrolytic capacitor, which is capable of achieving excellent characteristics. 电解电容器用阴极箔具有：金属多孔质部、与金属多孔质部连接的金属芯部、金属多孔质部的细孔开口的第1主面、和覆盖金属多孔质部的覆膜。覆膜在金属多孔质部的厚度方向上形成至金属多孔质部的厚度的10％以上的深度为止。覆膜可包含：含有第1元素的导电性的第1层、和/或、第2层，所述第2层为包含第2元素的氧化物层。由此，提供能够实现优异的特性的电解电容器用的阴极箔。
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The coating film is formed up to a depth of 10% or more of the thickness of the metal porous part in the thickness direction of the metal porous part. The coating film may include a conductive first layer containing a first element and/or a second layer that is an oxide layer containing a second element. As a result, provided is a cathode foil for an electrolytic capacitor, which is capable of achieving excellent characteristics. 电解电容器用阴极箔具有：金属多孔质部、与金属多孔质部连接的金属芯部、金属多孔质部的细孔开口的第1主面、和覆盖金属多孔质部的覆膜。覆膜在金属多孔质部的厚度方向上形成至金属多孔质部的厚度的10％以上的深度为止。覆膜可包含：含有第1元素的导电性的第1层、和/或、第2层，所述第2层为包含第2元素的氧化物层。由此，提供能够实现优异的特性的电解电容器用的阴极箔。</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; CAPACITORS ; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ; ELECTRICITY</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20220708&amp;DB=EPODOC&amp;CC=CN&amp;NR=114730666A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20220708&amp;DB=EPODOC&amp;CC=CN&amp;NR=114730666A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YOSHIMURA MITSUHISA</creatorcontrib><creatorcontrib>SASADA, NATSUYO</creatorcontrib><creatorcontrib>AOYAMA TATSUJI</creatorcontrib><creatorcontrib>OGAWA MIWA</creatorcontrib><title>Cathode foil for electrolytic capacitor, electrolytic capacitor, and method for producing same</title><description>The cathode foil for an electrolytic capacitor has a metal porous part, a metal core part connected to the metal porous part, a first main surface in which pores of the metal porous part open, and a coating film covering the metal porous part. 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subjects BASIC ELECTRIC ELEMENTS
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
ELECTRICITY
title Cathode foil for electrolytic capacitor, electrolytic capacitor, and method for producing same
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