KR950012500A - 탄탈늄 고체 전해 커패시터 및 그 제조방법 - Google Patents
탄탈늄 고체 전해 커패시터 및 그 제조방법 Download PDFInfo
- Publication number
- KR950012500A KR950012500A KR1019940026895A KR19940026895A KR950012500A KR 950012500 A KR950012500 A KR 950012500A KR 1019940026895 A KR1019940026895 A KR 1019940026895A KR 19940026895 A KR19940026895 A KR 19940026895A KR 950012500 A KR950012500 A KR 950012500A
- Authority
- KR
- South Korea
- Prior art keywords
- conductive polymer
- polymer compound
- solid electrolyte
- tantalum
- pores
- Prior art date
Links
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 239000003990 capacitor Substances 0.000 title claims abstract description 12
- 229910052715 tantalum Inorganic materials 0.000 title claims abstract description 10
- 239000007787 solid Substances 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title claims 4
- 239000011148 porous material Substances 0.000 claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims abstract 10
- 229920001940 conductive polymer Polymers 0.000 claims 9
- 239000007784 solid electrolyte Substances 0.000 claims 9
- 238000000034 method Methods 0.000 claims 4
- 230000003647 oxidation Effects 0.000 claims 4
- 238000007254 oxidation reaction Methods 0.000 claims 4
- 238000006116 polymerization reaction Methods 0.000 claims 4
- 239000000126 substance Substances 0.000 claims 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- 239000007800 oxidant agent Substances 0.000 claims 2
- 229920000767 polyaniline Polymers 0.000 claims 2
- SKBXVAOMEVOTGJ-UHFFFAOYSA-N xi-Pinol Chemical compound CC1=CCC2C(C)(C)OC1C2 SKBXVAOMEVOTGJ-UHFFFAOYSA-N 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 238000007743 anodising Methods 0.000 claims 1
- YRIUSKIDOIARQF-UHFFFAOYSA-N dodecyl benzenesulfonate Chemical compound CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 YRIUSKIDOIARQF-UHFFFAOYSA-N 0.000 claims 1
- 229940071161 dodecylbenzenesulfonate Drugs 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- 229920000128 polypyrrole Polymers 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 239000004332 silver Substances 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
Classifications
-
- 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
-
- 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
- H01G9/0029—Processes of manufacture
- H01G9/0036—Formation of the solid electrolyte layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/48—Conductive polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/54—Electrolytes
- H01G11/56—Solid electrolytes, e.g. gels; Additives therein
-
- 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
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
고체전해 커패시터는 장기간 전류 인가에 따른 누설전류의 증가에 의한 불량발생 가능성이 줄어들며 신뢰성이 개선된다.
도전성 고분자화합물을 갖는 고체전해 커패시터는 공동을 갖는 탄탈늄 플레이트내의 세공표면을 덮는 절연 산화물층 위에 형성된다.
공동 표면은 산소공급원으로서의 역할을 한다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제3도는 본 발명에 따른 탄탈늄 고체 전해 커패시터의 바람직한 실시예를 도식적으로 나타낸 단면도
제4도는 제3도의 탄탈늄 고체전해 커패시터의 표면 산화막에 세공이 발생한 경우의 상태를 도식적으로 나타낸 단면도.
Claims (10)
- 표면상에 다수의 세공을 갖는 탄탈늄분말 소결체로 형성되는 양극측전극과, 상기 세공 표면을 덮는 절연 표면 산화막과, 상기 절연 표면 산화막을 덮는 도전성 고분자 화합물로 형성되며 다수의 공동을 정의하는 고체전해질과, 상기 고체전해질의 표면상에 형성되는 음극측 전극을 포함하는 탄탈늄 고체 전해 커패시터.
- 제1항에 있어서, 상기 고체전해질의 체적은 상기 세공체적의 70% 이하인 것을 특징으로 하는 고체전해 커패시터.
- 제1항에 있어서, 상기 도전성 고분자 화합물은 폴리피놀 또는 폴리아닐린인것을 특징으로 하는 탄탈늄 고체전해 커패시터.
- 제1항에 있어서, 상기 음극측 전극은 흑연층과 은층의 적층체인 것을 특징으로 하는 탄탈늄 고체전해 커패시터.
- 표면상에 다수의 세공을 갖는 탄탈늄분말 소결체로 형성되는 양극측 전극과, 상기 세공의 표면을 덮는 절연 표면 산화막과, 다수의 공동을 정의하며 상기 세공체적의 70% 이하의 체적을 갖고, 상기 절연 표면 산화물층을 덮는 폴리피롤 또는 폴리아닐린으로 형성되는 고체전해질과, 상기 고체전해질 표면에 형성되는 음극측전극을 포함하는 탄탈늄 고체전해 커패시터.
- 표면상에 다수개의 세공을 갖고 양측측 전극으로 기여하는 탄탈늄 분말 소결체의 표면상에 절연 표면 산화물층을 형성하는 단계, 화학 산화중합에 의해 상기 절연 표면 산화막위에 고체 전해질로서 도전성 고분자 화합물을 형성하는 단계, 공동을 갖는 상기 도전성 고분자 화합물로 세공을 채우기 위해 상기 화학산화중합을 반복하는 단계 및, 상기 도전성 고분자 화합물의 표면상에 음극측 전극을 형성하는 단계를 포함하는 제1항 기재의 탄탈늄 고체전해 커패시터 제조방법.
- 제6항에 있어서, 상기 절연 표면 산화물층은 인산용액내에서 상기 소결체를 양극산화하는 것에 의해 형성되는 것을 특징으로 하는 탄탈늄 고체전해 커패시터의 제조방법.
- 제6항에 있어서, 화학 산화중합에 의한 상기 도전성 고분자화합물의 형성단계는 피놀용액과 산화제용액내에 상기 절연 표면 산화물층을 갖는 상기 소결체를 연속적으로 담가 형성하는 것을 특징으로 하는 탄탈늄 고체전해 커패시터의 제조방법.
- 제8항에 있어서, 상기 산화제는 도데실벤젠술폰네이트산 제3철과 에탄놀의 혼합물인 것을 특징으로 하는 탄탈늄 고체전해 커패시터의 제조방법.
- 제6항에 있어서, 상기 화학 산화중합을 반복하는 횟수는 상기 형성된 도전성 고분자 화합물의 무게와 상기 얻어진 무게에 의거하여 상기 도전성 고분자 화합물의 체적 수득과 상기 소결체의 세공내에 상기 도전성 고분자 화합물을 채우는 채움율을 얻는 것에 의해 결정되는 것을 특징으로 하는 탄탈늄 고체전해 커패시터의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5262453A JP2580980B2 (ja) | 1993-10-20 | 1993-10-20 | タンタル固体電解コンデンサ及びその製造方法 |
JP93-262453 | 1993-10-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950012500A true KR950012500A (ko) | 1995-05-16 |
KR0152679B1 KR0152679B1 (ko) | 1998-10-15 |
Family
ID=17376000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940026895A KR0152679B1 (ko) | 1993-10-20 | 1994-10-20 | 탄탈늄고체 전해 커패시터 및 그 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5455736A (ko) |
EP (1) | EP0650175B1 (ko) |
JP (1) | JP2580980B2 (ko) |
KR (1) | KR0152679B1 (ko) |
DE (1) | DE69400565T2 (ko) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2536458B2 (ja) * | 1994-08-16 | 1996-09-18 | 日本電気株式会社 | ジスルホン酸化合物、それをド―パントとする導電性高分子、導電材およびそれを用いた固体電解コンデンサ |
US6088218A (en) * | 1997-10-31 | 2000-07-11 | Matsushita Electric Industrial Co., Ltd. | Electrolytic capacitor and method for producing the same |
JP3273761B2 (ja) * | 1997-10-31 | 2002-04-15 | 松下電器産業株式会社 | 電解コンデンサおよびその製造方法 |
US6351370B1 (en) | 1998-03-19 | 2002-02-26 | Showa Denko K.K. | Solid electrolytic capacitor and method for producing the same |
US6344966B1 (en) | 1998-09-08 | 2002-02-05 | Showa Denko K.K. | Solid electrolytic capacitor and method for producing the same |
US6466421B1 (en) | 1998-05-21 | 2002-10-15 | Showa Denko K.K. | Solid electrolytic capacitor and method for producing the same |
US6391379B1 (en) * | 1998-09-04 | 2002-05-21 | Kemet Electronics Corporation | Process of preparing a solid electrolytic capacitor containing a conductive polymer counter electrode |
US6663796B1 (en) | 1998-12-25 | 2003-12-16 | Showa Denko K.K. | Electrical conducting polymer, solid electrolytic capacitor and manufacturing method thereof |
TW502266B (en) * | 1999-04-06 | 2002-09-11 | Showa Denko Kk | Solid electrolytic capacitor and method for producing the same |
US6660188B1 (en) | 1999-04-13 | 2003-12-09 | Showa Denko K.K. | Electrical conducting polymer, solid electrolytic capacitor and manufacturing method thereof |
US6136176A (en) * | 1999-05-21 | 2000-10-24 | Kemet Electronics Corporation | Capacitor with conductive polymer |
US6517892B1 (en) | 1999-05-24 | 2003-02-11 | Showa Denko K.K. | Solid electrolytic capacitor and method for producing the same |
US6334945B1 (en) | 2000-09-07 | 2002-01-01 | Kemet Electronics Corporation | Aging process for solid electrode capacitor |
KR20020084961A (ko) * | 2001-05-03 | 2002-11-16 | 파츠닉(주) | 계면 활성제가 포함된 탄탈 전해 캐패시터의 전해액 제조 방법 |
TWI279080B (en) * | 2001-09-20 | 2007-04-11 | Nec Corp | Shielded strip line device and method of manufacture thereof |
KR20050105173A (ko) * | 2003-01-17 | 2005-11-03 | 다이오드 설류션즈, 아이엔씨. | 유기재료를 사용하는 디스플레이 |
US7151538B2 (en) * | 2003-02-28 | 2006-12-19 | Sony Corporation | Display device and projection type display device |
RU2370838C9 (ru) * | 2003-04-02 | 2010-12-10 | Х.К.Штарк ГмБХ | Замедляющий окислительный агент для получения проводящих полимеров |
US20050278915A1 (en) * | 2004-06-18 | 2005-12-22 | Vannatta Guy C Jr | Spray coating of cathode onto solid electrolyte capacitors |
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US9741901B2 (en) | 2006-11-07 | 2017-08-22 | Cbrite Inc. | Two-terminal electronic devices and their methods of fabrication |
US7898042B2 (en) * | 2006-11-07 | 2011-03-01 | Cbrite Inc. | Two-terminal switching devices and their methods of fabrication |
CN101622712B (zh) * | 2006-11-07 | 2011-06-15 | 希百特股份有限公司 | 双端开关装置及其制造方法 |
US7719812B2 (en) * | 2007-05-15 | 2010-05-18 | Astec International Limited | Power converters with rate of change monitoring for fault prediction and/or detection |
US7719808B2 (en) * | 2007-05-15 | 2010-05-18 | Astec International Limited | Power converters with operating efficiency monitoring for fault detection |
US20080284449A1 (en) * | 2007-05-15 | 2008-11-20 | Vijay Phadke | Power converters with component stress monitoring for fault prediction |
WO2008139285A2 (en) * | 2007-05-15 | 2008-11-20 | Astec International Limited | Power converters with component stress monitoring for fault prediction |
JP4877820B2 (ja) | 2007-06-29 | 2012-02-15 | 三洋電機株式会社 | 固体電解コンデンサ |
JP4836887B2 (ja) | 2007-07-09 | 2011-12-14 | 三洋電機株式会社 | 電解コンデンサの製造方法及び電解コンデンサ |
US7817051B2 (en) * | 2007-09-14 | 2010-10-19 | Astec International Limited | Power converter with degraded component alarm |
US7804415B2 (en) | 2007-09-14 | 2010-09-28 | Astec International Limited | Health monitoring for power converter components |
US7830269B2 (en) * | 2007-09-14 | 2010-11-09 | Astec International Limited | Health monitoring for power converter capacitors |
US7837743B2 (en) * | 2007-09-24 | 2010-11-23 | Medtronic, Inc. | Tantalum anodes for high voltage capacitors employed by implantable medical devices and fabrication thereof |
WO2009134901A1 (en) * | 2008-04-30 | 2009-11-05 | Medtronic, Inc. | Magnetic resonance imaging shunt electrodes with self-healing coatings |
US20090299421A1 (en) * | 2008-06-02 | 2009-12-03 | Medtronic, Inc. | Evaluation of implantable medical device sensing integrity based on evoked signals |
JP2012119427A (ja) | 2010-11-30 | 2012-06-21 | Sanyo Electric Co Ltd | 固体電解コンデンサおよび固体電解コンデンサの製造方法 |
CN111007078B (zh) * | 2019-11-09 | 2022-06-24 | 上海精密计量测试研究所 | 片式钽电容器及其阴极二氧化锰层质量控制方法 |
Family Cites Families (8)
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JPH0722073B2 (ja) * | 1985-07-31 | 1995-03-08 | 昭和電工株式会社 | 固体電解コンデンサ |
DE3636100A1 (de) * | 1986-10-23 | 1988-05-05 | Roederstein Kondensatoren | Festkoerperkondensator mit einem elektrisch leitfaehigen polymeren als bestandteil des festelektrolyten |
US4780796A (en) * | 1987-01-13 | 1988-10-25 | The Japan Carlit Co., Ltd. | Solid electrolytic capacitor |
JPH01205414A (ja) * | 1987-10-30 | 1989-08-17 | Asahi Glass Co Ltd | 固体電解コンデンサ |
JPH02288217A (ja) * | 1989-04-28 | 1990-11-28 | Marcon Electron Co Ltd | 固体電解コンデンサ |
JPH04137517A (ja) * | 1990-09-27 | 1992-05-12 | Marcon Electron Co Ltd | 固体電解コンデンサの製造方法 |
US5223002A (en) * | 1991-10-31 | 1993-06-29 | Sprague Electric Company | Method of making polyaniline solid electrolyte capacitor |
JPH06252001A (ja) * | 1993-03-01 | 1994-09-09 | Matsushita Electric Ind Co Ltd | 固体電解コンデンサおよびその製造方法 |
-
1993
- 1993-10-20 JP JP5262453A patent/JP2580980B2/ja not_active Expired - Lifetime
-
1994
- 1994-10-19 US US08/325,594 patent/US5455736A/en not_active Expired - Lifetime
- 1994-10-19 EP EP94116497A patent/EP0650175B1/en not_active Expired - Lifetime
- 1994-10-19 DE DE69400565T patent/DE69400565T2/de not_active Expired - Lifetime
- 1994-10-20 KR KR1019940026895A patent/KR0152679B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0650175B1 (en) | 1996-09-18 |
EP0650175A2 (en) | 1995-04-26 |
EP0650175A3 (en) | 1995-07-05 |
US5455736A (en) | 1995-10-03 |
JPH07122464A (ja) | 1995-05-12 |
JP2580980B2 (ja) | 1997-02-12 |
KR0152679B1 (ko) | 1998-10-15 |
DE69400565T2 (de) | 1997-04-03 |
DE69400565D1 (de) | 1996-10-24 |
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