KR20060005370A - 소결체 전극 및 이 전극을 이용한 고체 전해 콘덴서 - Google Patents
소결체 전극 및 이 전극을 이용한 고체 전해 콘덴서 Download PDFInfo
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- KR20060005370A KR20060005370A KR1020057019691A KR20057019691A KR20060005370A KR 20060005370 A KR20060005370 A KR 20060005370A KR 1020057019691 A KR1020057019691 A KR 1020057019691A KR 20057019691 A KR20057019691 A KR 20057019691A KR 20060005370 A KR20060005370 A KR 20060005370A
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- sintered compact
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- solid electrolytic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/052—Sintered electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/052—Sintered electrodes
- H01G9/0525—Powder therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
- B22F3/1103—Making porous workpieces or articles with particular physical characteristics
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/025—Solid electrolytes
- H01G9/028—Organic semiconducting electrolytes, e.g. TCNQ
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/025—Solid electrolytes
- H01G9/032—Inorganic semiconducting electrolytes, e.g. MnO2
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24926—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including ceramic, glass, porcelain or quartz layer
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- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Electrolytic Production Of Metals (AREA)
- Ceramic Capacitors (AREA)
Abstract
Description
Claims (21)
- 토산 금속, 토산 금속을 주로 포함하는 합금, 토산 금속의 도전성 산화물, 및 이들 2종 이상의 혼합물로부터 선택된 1종 이상을 포함하는 콘덴서용 소결체 전극으로서:아르키메데스법에 따라 결정되는 상압하에서 측정되는 소결체의 체적과 진공하에서 측정되는 체적 간의 차이를 상압하에서 측정되는 체적으로 나눔으로써 얻어지는 값은 11%이하인 콘덴서용 소결체 전극.
- 제 1 항에 있어서,상기 토산 금속은 탄탈인 콘덴서용 소결체 전극.
- 제 1 항에 있어서,상기 토산 금속은 니오브인 콘덴서용 소결체 전극.
- 제 1 항에 있어서,상기 토산 금속의 도전성 산화물은 산화 니오브인 콘덴서용 소결체 전극.
- 제 1 항 내지 제 4 항 중 어느 하나에 있어서,비표면적은 1∼16m2/g인 콘덴서용 소결체 전극.
- 제 1 항 내지 제 5 항 중 어느 하나에 있어서,전기화학 화성 전압과 정전 용량의 곱(CV값)은 50,000∼340,000 ㎌ㆍV/g인 콘덴서용 소결체 전극.
- 제 1 항 내지 제 6 항 중 어느 하나에 있어서,상기 체적은 4∼550mm3인 콘덴서용 소결체 전극.
- 토산 금속, 토산 금속을 주로 포함하는 합금, 토산 금속의 도전성 산화물 및 이들 2종 이상의 혼합물로부터 선택된 1종 이상을 성형한 후 소결하는 공정; 및얻어진 소결체를 에칭하는 공정을 포함하는 소결체 전극 제조 방법으로서:아르키메데스법에 따라 결정되는 상압하에서 측정되는 소결체의 체적과 진공하에서 측정되는 체적 간의 차이를 상압하에서 측정되는 체적으로 나눔으로써 얻어지는 값은 11%이하인 소결체 전극 제조 방법.
- 토산 금속, 토산 금속을 주로 포함하는 합금, 토산 금속의 도전성 산화물 및 이들 2종 이상의 혼합물로부터 선택된 1종 이상을 포함하는 분말을 부분 질화하는 공정;이것에 수지 바인더를 첨가하여 상기 분말을 성형한 후 소결하는 공정; 및얻어진 소결체를 에칭하는 공정을 포함하는 소결체 전극 제조 방법으로서:아르키메데스법에 따라 결정되는 상압하에서 측정되는 소결체의 체적과 진공하에서 측정되는 체적 간의 차이를 상압하에서 측정되는 체적으로 나눔으로써 얻어지는 값은 11%이하인 소결체 전극 제조 방법.
- 제 1 항 내지 제 7 항 중 어느 하나에 기재된 소결체 전극을 한쪽 전극으로서 포함하고, 그 소결체의 표면상에 형성된 유전체, 및 상기 유전체상에 제공된 다른 쪽 전극으로 구성되는 고체 전해 콘덴서 소자.
- 제 10 항에 있어서,상기 다른 쪽 전극은 유기 반도체 및 무기 반도체로부터 선택된 1종 이상인 고체 전해 콘덴서 소자.
- 제 11 항에 있어서,상기 유기 반도체는 벤조피롤린 4량체와 클로라닐을 포함하는 유기 반도체, 테트라티오테트라센을 주로 포함하는 유기 반도체, 테트라시아노퀴노디메탄을 주로 포함하는 유기 반도체, 및 하기 일반식 (1) 또는 (2):(여기서, 동일하거나 또는 상이할 수 있는 R1∼R4는 수소 원자, 1∼6의 탄소수를 갖는 알킬기 또는 1∼6의 탄소수를 갖는 알콕시기를 각각 나타내며, X는 산소 원자, 황 원자 또는 질소 원자를 나타내며, R5는 X가 질소 원자인 때에만 존재하여 수소 원자 또는 1∼6의 탄소수를 갖는 알킬기를 나타내고, R1과 R2 및 R3과 R4 쌍 각각은 서로 결합되어 환 구조를 형성할 수 있다.)로 표시되는 반복 단위를 포함하는 고분자에 도펀트를 도핑함으로써 얻어지는 도전성 고분자를 주로 포함하는 유기 반도체로부터 선택된 1종 이상인 고체 전해 콘덴서 소자.
- 제 12 항에 있어서,일반식 (1)로 표시되는 반복 단위를 포함하는 도전성 고분자는 하기 일반식 (3):(여기서, R6 및 R7 각각은 독립적으로 수소 원자, 1∼6의 탄소수를 갖는 직쇄상 또는 분기상의 포화 또는 불포화 알킬기, 또는 상기 알킬기가 서로 임의의 위치에서 결합될 때 2개의 산소 원자를 포함하는 하나 이상의 5-, 6- 또는 7- 원환의 포화 탄화수소 환 구조를 형성하는 치환기를 나타내고, 상기 환 구조는 치환될 수 있는 비닐렌 결합을 갖는 구조, 및 치환될 수 있는 페닐렌 구조를 포함한다.)으로 표시되는 구조 단위를 반복 단위로서 포함하는 도전체 고분자인 고체 전해 콘덴서 소자.
- 제 13 항에 있어서,상기 도전성 고분자는 폴리아닐린, 폴리옥시페닐렌, 폴리페닐렌 설파이드, 폴리티오펜, 폴리푸란, 폴리피롤, 폴리메틸피롤, 및 이들의 치환 유도체로부터 선택된 고체 전해 콘덴서 소자.
- 제 13 항에 있어서,상기 도전성 고분자는 폴리(3,4-에틸렌디옥시티오펜)인 고체 전해 콘덴서 소자.
- 제 11 항에 있어서,상기 무기 반도체는 이산화 몰리브덴, 이산화 텅스텐, 이산화납, 및 이산화 망간으로부터 선택된 1종 이상의 화합물인 고체 전해 콘덴서 소자.
- 제 11 항에 있어서,상기 반도체는 10-2∼103S/cm의 전도도를 갖는 고체 전해 콘덴서 소자.
- 제 1 항 내지 제 7 항 중 어느 하나에 기재된 소결체 전극을 전기화학적으로 화성하여 그 표면에 유전체 층을 형성하는 공정, 및 상기 유전체 층상에 다른 쪽 전극을 형성하는 공정을 포함하는 고체 전해 콘덴서 소자의 제조 방법.
- 제 10 항 내지 제 17 항 중 어느 하나에 기재된 하나 이상의 고체 전해 콘덴서 소자를 사용한 고체 전해 콘덴서.
- 제 19 항에 기재된 고체 전해 콘덴서를 사용한 전자 회로.
- 제 19 항에 기재된 고체 전해 콘덴서를 사용한 전자 기기.
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JPJP-P-2003-00109146 | 2003-04-14 | ||
PCT/JP2004/005235 WO2004093106A2 (en) | 2003-04-14 | 2004-04-13 | Sintered body electrode and solid electrolytic capacitor using the electrode |
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KR101100100B1 KR101100100B1 (ko) | 2011-12-29 |
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EP (1) | EP1618574B1 (ko) |
JP (1) | JP4566593B2 (ko) |
KR (1) | KR101100100B1 (ko) |
CN (1) | CN1774778B (ko) |
AT (1) | ATE482458T1 (ko) |
DE (1) | DE602004029243D1 (ko) |
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JP5769528B2 (ja) | 2011-07-15 | 2015-08-26 | 東洋アルミニウム株式会社 | アルミニウム電解コンデンサ用電極材及びその製造方法 |
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KR100839901B1 (ko) * | 2005-03-30 | 2008-06-20 | 쇼와 덴코 가부시키가이샤 | 고체 전해 콘덴서 소자, 그 제조 방법 및 고체 전해 콘덴서 |
US7811338B2 (en) | 2005-03-30 | 2010-10-12 | Murata Manufacturing Co., Ltd. | Solid electrolytic capacitor element, method for manufacturing same, and solid electrolytic capacitor |
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CN1774778B (zh) | 2010-06-16 |
DE602004029243D1 (de) | 2010-11-04 |
CN1774778A (zh) | 2006-05-17 |
US7423863B2 (en) | 2008-09-09 |
US20060204735A1 (en) | 2006-09-14 |
TW200506985A (en) | 2005-02-16 |
JP4566593B2 (ja) | 2010-10-20 |
EP1618574B1 (en) | 2010-09-22 |
EP1618574A2 (en) | 2006-01-25 |
ATE482458T1 (de) | 2010-10-15 |
KR101100100B1 (ko) | 2011-12-29 |
WO2004093106A3 (en) | 2005-04-14 |
JP2004336018A (ja) | 2004-11-25 |
TWI331350B (ko) | 2010-10-01 |
WO2004093106A2 (en) | 2004-10-28 |
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