KR101203535B1 - 전해 콘덴서용 전극재 - Google Patents
전해 콘덴서용 전극재 Download PDFInfo
- Publication number
- KR101203535B1 KR101203535B1 KR1020087026646A KR20087026646A KR101203535B1 KR 101203535 B1 KR101203535 B1 KR 101203535B1 KR 1020087026646 A KR1020087026646 A KR 1020087026646A KR 20087026646 A KR20087026646 A KR 20087026646A KR 101203535 B1 KR101203535 B1 KR 101203535B1
- Authority
- KR
- South Korea
- Prior art keywords
- valve metal
- electrode material
- oxide film
- particle layer
- capacitance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/055—Etched foil 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
- H01G9/07—Dielectric layers
-
- 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
- H01G9/0032—Processes of manufacture formation of the dielectric layer
-
- 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
-
- 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
- H01G9/045—Electrodes or formation of dielectric layers thereon characterised by the material based on aluminium
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12042—Porous component
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12479—Porous [e.g., foamed, spongy, cracked, etc.]
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12611—Oxide-containing component
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12993—Surface feature [e.g., rough, mirror]
-
- 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.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249986—Void-containing component contains also a solid fiber or solid particle
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
| 공극율(%) | 비표면적(㎠/㎤) | 정전용량(mF/㎤) | |
| 실시예 | 45 | 2.1 × 105 | 1350 |
| 비교예 1 | 65 | 2.5 × 104 | 180 |
| 비교예 2 | 45 | 4.2 × 104 | 300 |
| 공극율(%) | 비표면적(㎠/㎤) | 정전용량(mF/㎤) | |
| 실시예 2 | 45 | 5.0 × 104 | 30 |
| 비교예 3 | 65 | 2.2 × 104 | 13 |
| 비교예 4 | 45 | 3.1 × 104 | 18 |
| 잔심 두께(殘芯厚) (㎛) |
공극율(%) | 비표면적 (㎠/㎤) |
정전용량 (mF/㎤) |
단위면적당 저항(mΩ) |
|
| 실시예 3-1 | 102 | 46 | 2.0 × 105 | 1340 | 0.30 |
| 실시예 3-2 | 100 | 44 | 5.1 × 104 | 29 | 0.29 |
| 실시예 4-1 | 61 | 44 | 2.2 × 105 | 1330 | 0.32 |
| 실시예 4-2 | 60 | 45 | 5.2 × 104 | 31 | 0.30 |
| 비교예 5 | 30 | 64 | 2.6 × 104 | 185 | 1.02 |
| 비교예 6 | 31 | 63 | 2.1 × 104 | 14 | 0.98 |
Claims (12)
- 표면에 산화 피막을 가지는 밸브 금속 입자층을 공극율 20 ~ 60%, 비표면적 30×103 ~ 400×103 ㎠/㎤으로 하고, 상기 밸브 금속 입자가 그 입자 직경을 적어도 0.005 ~ 0.1 ㎛의 범위에서 소정의 분포를 가지면서 혼재하여 기재 표면에 형성된 전해 콘덴서용 전극재.
- 제 1항에 있어서,상기 밸브 금속이 알루미늄이고, 표면에 산화 피막을 가지는 밸브 금속 입자층의 Al/O 조성비가 2.0 ~ 5.5인 전해 콘덴서용 전극재.
- 표면에 산화 피막을 가지는 밸브 금속 입자층을 공극율 20 ~ 60%, 비표면적 20×103 ~ 70×103 ㎠/㎤으로 하고, 상기 밸브 금속 입자가 입자 직경 0.2 ㎛ 이상의 것을 포함하여, 기재 표면에 형성된 전해 콘덴서용 전극재.
- 제 3항에 있어서,밸브 금속이 알루미늄이고, 표면에 산화 피막을 가지는 밸브 금속 입자층의 Al/O 조성비가 2.0 ~ 125인 전해 콘덴서용 전극재.
- 표면에 산화 피막을 가지는 밸브 금속 입자층을 공극율 20 ~ 60%, 비표면적 30×103 ~ 400×103 ㎠/㎤으로 하고, 상기 밸브 금속 입자가 그 입자 직경을 적어도 0.005 ~ 0.1 ㎛의 범위에서 소정의 분포를 가지면서 혼재하며 두께가 50 ~ 200 ㎛인 기재 표면에 형성된 전해 콘덴서용 전극재.
- 표면에 산화 피막을 가지는 밸브 금속 입자층을 공극율 20 ~ 60%, 비표면적 30×103 ~ 400×103 ㎠/㎤으로 하고, 상기 밸브 금속 입자가 그 입자 직경을 적어도 0.005 ~ 0.1 ㎛의 범위에서 소정의 분포를 가지면서 혼재하며 상기 밸브 금속과 다른 금속으로 구성되는 기재 표면에 형성된 전해 콘덴서용 전극재.
- 제 6항에 있어서,상기 밸브 금속과 다른 금속이 구리 또는 은인 전해 콘덴서용 전극재.
- 표면에 산화 피막을 가지는 밸브 금속 입자층을 공극율 20 ~ 60%, 비표면적 20×103 ~ 70×103 ㎠/㎤으로 하고, 상기 밸브 금속 입자가 입자 직경 0.2 ㎛ 이상의 것을 포함하며 두께가 50 ~ 200 ㎛인 기재 표면에 형성된 전해 콘덴서용 전극재.
- 표면에 산화 피막을 갖는 밸브 금속 입자층을 공극율 20 ~ 60%, 비표면적 20×103 ~ 70×103 ㎠/㎤으로 하고, 상기 밸브 금속 입자가 입자 직경 0.2 ㎛ 이상의 것을 포함하며 상기 밸브 금속과 다른 금속으로 구성된 기재 표면에 형성된 전해 콘덴서용 전극재.
- 제 9항에 있어서,상기 밸브 금속과 다른 금속이 구리 또는 은인 전해 콘덴서용 전극재.
- 제 5항 내지 제 7항 중 어느 한 항에 있어서,밸브 금속이 알루미늄이고, 표면에 산화 피막을 가지는 밸브 금속 입자층의 Al/O 조성비가 2.0 ~ 5.5인 전해 콘덴서용 전극재.
- 제 8항 내지 제 10항 중 어느 한 항에 있어서,밸브 금속이 알루미늄이고, 표면에 산화 피막을 가지는 밸브 금속 입자층의 Al/O 조성비가 2.0 ~ 125인 전해 콘덴서용 전극재.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006101099A JP4797754B2 (ja) | 2005-09-30 | 2006-03-31 | 電解コンデンサ用電極材 |
| JPJP-P-2006-101098 | 2006-03-31 | ||
| JPJP-P-2006-101097 | 2006-03-31 | ||
| JP2006101097A JP4984030B2 (ja) | 2005-09-30 | 2006-03-31 | 電解コンデンサ用電極材 |
| JPJP-P-2006-101099 | 2006-03-31 | ||
| JP2006101098A JP4984031B2 (ja) | 2005-09-30 | 2006-03-31 | 電解コンデンサ用電極材 |
| PCT/JP2007/057315 WO2007116845A1 (ja) | 2006-03-31 | 2007-03-31 | 電解コンデンサ用電極材 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20090014154A KR20090014154A (ko) | 2009-02-06 |
| KR101203535B1 true KR101203535B1 (ko) | 2012-11-21 |
Family
ID=38581138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020087026646A Expired - Fee Related KR101203535B1 (ko) | 2006-03-31 | 2007-03-31 | 전해 콘덴서용 전극재 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8067096B2 (ko) |
| EP (1) | EP2009653A4 (ko) |
| KR (1) | KR101203535B1 (ko) |
| CN (1) | CN101454854B (ko) |
| WO (1) | WO2007116845A1 (ko) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2261933A4 (en) * | 2008-04-08 | 2018-03-28 | Murata Manufacturing Co. Ltd. | Capacitor and method for manufacturing the same |
| US8351186B2 (en) | 2008-10-10 | 2013-01-08 | Panasonic Corporation | Electrode foil for capacitor, manufacturing method therefor, and solid electrolytic capacitor using the electrode foil |
| WO2011043059A1 (ja) | 2009-10-09 | 2011-04-14 | パナソニック株式会社 | 電極箔およびこれを用いたコンデンサ |
| WO2011114680A1 (ja) | 2010-03-16 | 2011-09-22 | パナソニック株式会社 | 電極箔およびそれを用いたコンデンサ |
| TWI750042B (zh) * | 2020-04-10 | 2021-12-11 | 大陸商東莞東陽光科研發有限公司 | 電極結構材料及製備電極結構材料的方法、電解電容器 |
| TWI845820B (zh) * | 2020-04-10 | 2024-06-21 | 大陸商東莞東陽光科研發有限公司 | 電極結構材料及製備電極結構材料的方法、電解電容器 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63160322A (ja) | 1986-12-24 | 1988-07-04 | 昭和アルミニウム株式会社 | 電解コンデンサ用アルミニウム電極材料 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2056501A (en) | 1979-08-09 | 1981-03-18 | Standard Telephones Cables Ltd | Porous metal films |
| GB2056503B (en) * | 1979-08-09 | 1983-12-07 | Standard Telephones Cables Ltd | Porous metal films |
| KR910005753B1 (ko) * | 1986-12-24 | 1991-08-02 | 쇼오와 알루미늄 가부시기가이샤 | 전해 콘덴서용 알루미늄 전극재료 및 그 제조방법 |
| JPH01208827A (ja) * | 1988-02-17 | 1989-08-22 | Matsushita Electric Ind Co Ltd | アルミ電解コンデンサ |
| JPH04196208A (ja) * | 1990-11-27 | 1992-07-16 | Toray Ind Inc | 電解コンデンサ用電極箔 |
| FR2688092B1 (fr) * | 1992-02-14 | 1994-04-15 | Traitement Metaux Alliages Sa | Feuille pour electrode de condensateur electrolytique et procede de fabrication. |
| CN1113613A (zh) * | 1994-06-13 | 1995-12-20 | 程家庆 | 复合双电层蓄电池 |
| JP3258249B2 (ja) | 1996-12-25 | 2002-02-18 | 日本ケミコン株式会社 | 電解コンデンサ用アルミニウム電極箔 |
| US6287673B1 (en) * | 1998-03-03 | 2001-09-11 | Acktar Ltd. | Method for producing high surface area foil electrodes |
| US6865071B2 (en) * | 1998-03-03 | 2005-03-08 | Acktar Ltd. | Electrolytic capacitors and method for making them |
| US6332900B1 (en) * | 1999-02-08 | 2001-12-25 | Wilson Greatbatch Ltd. | Physical vapor deposited electrode component and method of manufacture |
| JP2003059768A (ja) | 2001-08-10 | 2003-02-28 | Nippon Chemicon Corp | 固体電解コンデンサ |
| JP2003059776A (ja) | 2001-08-10 | 2003-02-28 | Nippon Chemicon Corp | 固体電解コンデンサ |
| JP2003297694A (ja) * | 2002-03-29 | 2003-10-17 | Nippon Chemicon Corp | 電解コンデンサ |
| JP2005203529A (ja) | 2004-01-15 | 2005-07-28 | Matsushita Electric Ind Co Ltd | アルミ電解コンデンサ用電極箔の製造方法 |
| JP4547918B2 (ja) | 2004-01-15 | 2010-09-22 | パナソニック株式会社 | アルミ電解コンデンサ用電極箔の製造方法 |
| GB2418628B (en) | 2004-10-01 | 2006-12-13 | Acktar Ltd | Improved laminates and the manufacture thereof |
-
2007
- 2007-03-31 US US12/295,592 patent/US8067096B2/en not_active Expired - Fee Related
- 2007-03-31 KR KR1020087026646A patent/KR101203535B1/ko not_active Expired - Fee Related
- 2007-03-31 WO PCT/JP2007/057315 patent/WO2007116845A1/ja not_active Ceased
- 2007-03-31 EP EP07740751.8A patent/EP2009653A4/en not_active Withdrawn
- 2007-03-31 CN CN2007800197573A patent/CN101454854B/zh not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63160322A (ja) | 1986-12-24 | 1988-07-04 | 昭和アルミニウム株式会社 | 電解コンデンサ用アルミニウム電極材料 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007116845A1 (ja) | 2007-10-18 |
| CN101454854B (zh) | 2011-11-16 |
| EP2009653A4 (en) | 2015-08-12 |
| EP2009653A1 (en) | 2008-12-31 |
| KR20090014154A (ko) | 2009-02-06 |
| CN101454854A (zh) | 2009-06-10 |
| US8067096B2 (en) | 2011-11-29 |
| US20100021719A1 (en) | 2010-01-28 |
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