JP5522048B2 - コンデンサ用電極箔及びその製造方法とその電極箔を用いた固体電解コンデンサ - Google Patents
コンデンサ用電極箔及びその製造方法とその電極箔を用いた固体電解コンデンサ Download PDFInfo
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- JP5522048B2 JP5522048B2 JP2010532788A JP2010532788A JP5522048B2 JP 5522048 B2 JP5522048 B2 JP 5522048B2 JP 2010532788 A JP2010532788 A JP 2010532788A JP 2010532788 A JP2010532788 A JP 2010532788A JP 5522048 B2 JP5522048 B2 JP 5522048B2
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- Prior art keywords
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- roughened
- roughened layer
- electrode foil
- thickness
- 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
- 239000011888 foil Substances 0.000 title claims description 101
- 239000003990 capacitor Substances 0.000 title claims description 77
- 239000007787 solid Substances 0.000 title claims description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 239000010410 layer Substances 0.000 claims description 245
- 238000007740 vapor deposition Methods 0.000 claims description 78
- 239000000463 material Substances 0.000 claims description 43
- 239000011148 porous material Substances 0.000 claims description 26
- 239000007784 solid electrolyte Substances 0.000 claims description 22
- 238000007788 roughening Methods 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 13
- 239000010419 fine particle Substances 0.000 claims description 7
- 229920001940 conductive polymer Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- 239000003792 electrolyte Substances 0.000 description 9
- 238000005530 etching Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000004332 silver Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000005019 vapor deposition process Methods 0.000 description 2
- FLDCSPABIQBYKP-UHFFFAOYSA-N 5-chloro-1,2-dimethylbenzimidazole Chemical compound ClC1=CC=C2N(C)C(C)=NC2=C1 FLDCSPABIQBYKP-UHFFFAOYSA-N 0.000 description 1
- 239000001741 Ammonium adipate Substances 0.000 description 1
- 235000019293 ammonium adipate Nutrition 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- WYXIGTJNYDDFFH-UHFFFAOYSA-Q triazanium;borate Chemical compound [NH4+].[NH4+].[NH4+].[O-]B([O-])[O-] WYXIGTJNYDDFFH-UHFFFAOYSA-Q 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 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
- H01G9/048—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
- H01G9/04—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
- Y10T29/00—Metal working
- Y10T29/43—Electric condenser making
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Description
101 誘電体酸化皮膜層(第1の誘電体酸化皮膜層)
104 固体電解質層(第1の固体電解質層)
107 陰極層(第1の陰極層)
109 粗面化層(第1の粗面化層)
201 誘電体酸化皮膜層(第2の誘電体酸化皮膜層)
204 固体電解質層(第2の固体電解質層)
207 陰極層(第2の陰極層)
209 粗面化層(第2の粗面化層)
309 基材
309A 上面(第1の面)
309B 下面(第2の面)
409 ツリー構造体
409A 微粒子
409B 枝
Claims (5)
- 互いに反対の第1の面と第2の面とを有して弁作用金属箔からなる基材と、
前記基材の前記第1の面に蒸着によって形成された弁作用金属よりなる第1の粗面化層と、
前記基材の前記第2の面に蒸着によって形成された弁作用金属よりなる第2の粗面化層と、
を備え、
前記第1の粗面化層と前記第2の粗面化層の空孔径の最頻値が0.02μm〜0.10μmであり、
前記第1の粗面化層と前記第2の粗面化層の厚みの合計は20μm以上であり、
前記第1の粗面化層の厚みは前記第2の粗面化層の厚みより大きく、前記第1の粗面化層と前記第2の粗面化層の厚みの差は、前記第1の粗面化層の厚みの10%以上である、コンデンサ用電極箔。 - 前記第1の粗面化層と前記第2の粗面化層のそれぞれは、連なっている弁作用金属の複数の微粒子よりなる複数のツリー構造体よりなり、
前記複数のツリー構造体のそれぞれは、前記基材の前記第1の面から複数の枝に枝分かれして延びている、請求項1に記載のコンデンサ用電極箔。 - 弁作用金属からなる基材の第1の面に第1の粗面化層を蒸着によって形成するステップと、
前記基材の前記第1の面の反対の第2の面に、前記第1の粗面化層より薄い第2の粗面化層を、前記第1の粗面化層と前記第2の粗面化層の空孔径の最頻値が0.02μm〜0.10μmであり、前記第1の粗面化層と前記第2の粗面化層の厚みの合計が20μm以上で、前記第1の粗面化層と前記第2の粗面化層の厚みの差が前記第1の粗面化層の厚みの10%以上になるように、蒸着によって形成するステップと、
を含み、
前記第1の粗面化層を形成するステップは、前記第2の粗面化層を形成するステップの後に行われる、コンデンサ用電極箔の製造方法。 - 弁作用金属からなる基材の第1の面に第1の粗面化層を蒸着によって形成するステップと、
前記基材の前記第1の面の反対の第2の面に、前記第1の粗面化層より薄い第2の粗面化層を、前記第1の粗面化層と前記第2の粗面化層の空孔径の最頻値が0.02μm〜0.10μmであり、前記第1の粗面化層と前記第2の粗面化層の厚みの合計が20μm以上で、前記第1の粗面化層と前記第2の粗面化層の厚みの差が前記第1の粗面化層の厚みの10%以上になるように、蒸着によって形成するステップと、
を含み、
前記第1の粗面化層を形成するステップは、前記第2の粗面化層を形成するステップの前に行われる、コンデンサ用電極箔の製造方法。 - 請求項1または2に記載のコンデンサ用電極箔と、
前記コンデンサ用電極箔の前記第1の粗面化層上に設けられた第1の誘電体酸化皮膜層と、
前記第1の誘電体酸化皮膜層上に設けられた導電性高分子からなる第1の固体電解質層と、
前記第1の固体電解質層上に設けられた第1の陰極層と、
前記コンデンサ用電極箔の前記第2の粗面化層上に設けられた第2の誘電体酸化皮膜層と、
前記第2の誘電体酸化皮膜層上に設けられた導電性高分子からなる第2の固体電解質層と、
前記第2の固体電解質層上に設けられた第2の陰極層と、
を備えた固体電解コンデンサ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010532788A JP5522048B2 (ja) | 2008-10-10 | 2009-09-30 | コンデンサ用電極箔及びその製造方法とその電極箔を用いた固体電解コンデンサ |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008263783 | 2008-10-10 | ||
JP2008263783 | 2008-10-10 | ||
JP2010532788A JP5522048B2 (ja) | 2008-10-10 | 2009-09-30 | コンデンサ用電極箔及びその製造方法とその電極箔を用いた固体電解コンデンサ |
PCT/JP2009/005016 WO2010041387A1 (ja) | 2008-10-10 | 2009-09-30 | コンデンサ用電極箔及びその製造方法とその電極箔を用いた固体電解コンデンサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2010041387A1 JPWO2010041387A1 (ja) | 2012-03-01 |
JP5522048B2 true JP5522048B2 (ja) | 2014-06-18 |
Family
ID=42100348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010532788A Expired - Fee Related JP5522048B2 (ja) | 2008-10-10 | 2009-09-30 | コンデンサ用電極箔及びその製造方法とその電極箔を用いた固体電解コンデンサ |
Country Status (5)
Country | Link |
---|---|
US (1) | US8351186B2 (ja) |
EP (1) | EP2306475A1 (ja) |
JP (1) | JP5522048B2 (ja) |
CN (1) | CN102150227B (ja) |
WO (1) | WO2010041387A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8659876B2 (en) * | 2008-12-01 | 2014-02-25 | Panasonic Corporation | Electrode foil for capacitor and electrolytic capacitor using the electrode foil |
JP2011044682A (ja) * | 2009-07-21 | 2011-03-03 | Panasonic Corp | キャパシタ |
KR101918309B1 (ko) * | 2010-11-17 | 2018-11-13 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 전도성 코팅을 갖는 집전기를 포함하는 전기화학-전도성 물품 및 이를 제조하는 방법 |
US8663752B2 (en) * | 2011-03-14 | 2014-03-04 | Jeng-Kuang Lin | Manufacturing method of carbon coated aluminum foil as cathode of solid aluminum electrolytic capacitor |
US8749955B2 (en) | 2011-11-29 | 2014-06-10 | Panasonic Corporation | Capacitor |
DE102015013377A1 (de) | 2015-10-18 | 2017-04-20 | Kreisel Electric GmbH | Temperiereinrichtung für ein Batteriesystem |
CN108292564B (zh) * | 2015-11-30 | 2021-04-23 | 松下知识产权经营株式会社 | 电极箔的制造方法以及电容器的制造方法 |
JP1595451S (ja) * | 2017-06-20 | 2018-01-22 | ||
TWI661599B (zh) * | 2017-12-04 | 2019-06-01 | 鈺邦科技股份有限公司 | 鋰電池結構及其鋰電池負電極箔 |
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JPS6433915A (en) * | 1987-07-30 | 1989-02-03 | Matsushita Electric Ind Co Ltd | Aluminum electrolytic capacitor |
WO1989001230A1 (en) * | 1987-07-30 | 1989-02-09 | Matsushita Electric Industrial Co., Ltd. | Electrolytic capacitor and production method thereof |
JPH02216812A (ja) * | 1989-02-17 | 1990-08-29 | Nippon Chikudenki Kogyo Kk | 電解コンデンサ用アルミニウム電極箔 |
JPH03263312A (ja) * | 1990-03-13 | 1991-11-22 | Kobe Steel Ltd | 電解コンデンサ用電極材料の製造装置 |
JP2008010490A (ja) * | 2006-06-27 | 2008-01-17 | Nichicon Corp | 電解コンデンサ用電極の製造方法 |
JP2008047755A (ja) * | 2006-08-18 | 2008-02-28 | Sumitomo Metal Mining Co Ltd | バルブ金属複合電極箔の製造方法 |
JP2008258355A (ja) * | 2007-04-04 | 2008-10-23 | Matsushita Electric Ind Co Ltd | コンデンサ用電極箔 |
JP2008258404A (ja) * | 2007-04-05 | 2008-10-23 | Matsushita Electric Ind Co Ltd | コンデンサ用電極箔 |
JP2008288295A (ja) * | 2007-05-16 | 2008-11-27 | Panasonic Corp | 固体電解コンデンサ |
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-
2009
- 2009-09-30 US US13/062,019 patent/US8351186B2/en not_active Expired - Fee Related
- 2009-09-30 WO PCT/JP2009/005016 patent/WO2010041387A1/ja active Application Filing
- 2009-09-30 CN CN200980135716XA patent/CN102150227B/zh not_active Expired - Fee Related
- 2009-09-30 JP JP2010532788A patent/JP5522048B2/ja not_active Expired - Fee Related
- 2009-09-30 EP EP09818927A patent/EP2306475A1/en not_active Withdrawn
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JPS6433915A (en) * | 1987-07-30 | 1989-02-03 | Matsushita Electric Ind Co Ltd | Aluminum electrolytic capacitor |
WO1989001230A1 (en) * | 1987-07-30 | 1989-02-09 | Matsushita Electric Industrial Co., Ltd. | Electrolytic capacitor and production method thereof |
JPH02216812A (ja) * | 1989-02-17 | 1990-08-29 | Nippon Chikudenki Kogyo Kk | 電解コンデンサ用アルミニウム電極箔 |
JPH03263312A (ja) * | 1990-03-13 | 1991-11-22 | Kobe Steel Ltd | 電解コンデンサ用電極材料の製造装置 |
JP2008010490A (ja) * | 2006-06-27 | 2008-01-17 | Nichicon Corp | 電解コンデンサ用電極の製造方法 |
JP2008047755A (ja) * | 2006-08-18 | 2008-02-28 | Sumitomo Metal Mining Co Ltd | バルブ金属複合電極箔の製造方法 |
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Also Published As
Publication number | Publication date |
---|---|
CN102150227A (zh) | 2011-08-10 |
CN102150227B (zh) | 2013-05-15 |
US20110182003A1 (en) | 2011-07-28 |
EP2306475A1 (en) | 2011-04-06 |
US8351186B2 (en) | 2013-01-08 |
JPWO2010041387A1 (ja) | 2012-03-01 |
WO2010041387A1 (ja) | 2010-04-15 |
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