JP5511691B2 - 炭素被覆アルミニウム材とその製造方法 - Google Patents
炭素被覆アルミニウム材とその製造方法 Download PDFInfo
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- JP5511691B2 JP5511691B2 JP2010548281A JP2010548281A JP5511691B2 JP 5511691 B2 JP5511691 B2 JP 5511691B2 JP 2010548281 A JP2010548281 A JP 2010548281A JP 2010548281 A JP2010548281 A JP 2010548281A JP 5511691 B2 JP5511691 B2 JP 5511691B2
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- carbon
- aluminum material
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- 229910052799 carbon Inorganic materials 0.000 title claims description 272
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 194
- 229910052782 aluminium Inorganic materials 0.000 title claims description 193
- 239000000463 material Substances 0.000 title claims description 134
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- 150000002430 hydrocarbons Chemical class 0.000 claims description 27
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- 239000004215 Carbon black (E152) Substances 0.000 claims description 21
- 239000003990 capacitor Substances 0.000 claims description 21
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 19
- CAVCGVPGBKGDTG-UHFFFAOYSA-N alumanylidynemethyl(alumanylidynemethylalumanylidenemethylidene)alumane Chemical compound [Al]#C[Al]=C=[Al]C#[Al] CAVCGVPGBKGDTG-UHFFFAOYSA-N 0.000 claims description 17
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Classifications
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/02—Pretreatment of the material to be coated
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C12/00—Solid state diffusion of at least one non-metal element other than silicon and at least one metal element or silicon into metallic material surfaces
- C23C12/02—Diffusion in one step
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/04—Treatment of selected surface areas, e.g. using masks
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/60—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes
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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
- 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
- H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
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- 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
- H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
- H01G11/28—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features arranged or disposed on a current collector; Layers or phases between electrodes and current collectors, e.g. adhesives
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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
- 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
- H01G11/32—Carbon-based
- H01G11/42—Powders or particles, e.g. composition thereof
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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
- 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
- H01G11/66—Current collectors
- H01G11/68—Current collectors characterised by their material
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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
- 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
- H01G11/66—Current collectors
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Description
炭素含有粒子22として平均粒径が300nmのカーボンブラック粒子2質量部を、表1の「樹脂層形成工程で用いるバインダー」に示された各種バインダー1質量部と混合し、バインダーに対して20質量%のトルエンを添加した上でニーダーにて十分混練することにより、カーボンブラック粒子の表面に樹脂層を形成した(樹脂層形成工程)。
炭素含有粒子22に対応する粒子として平均粒径が300nmのカーボンブラック粒子2質量部を、表1の「炭素含有粒子付着工程で用いる溶剤等」で示すように、アクリル系バインダー1質量部と混合し、トルエンとメチルエチルケトンの混合溶液(トルエンとメチルエチルケトンの混合溶剤の溶剤体積比率としてトルエン:メチルエチルケトン=2:1)に分散させることにより、炭素含有粒子付着工程に対応する工程で用いる塗工液として、固形分が20質量%のカーボンブラック粒子を含む塗工液を得た。この塗工液を厚みが50μmで純度が99.3質量%のアルミニウム箔の両面に塗布し、温度150℃で30秒間乾燥した(炭素含有粒子付着工程に対応する工程)。なお、乾燥後のカーボンブラック粒子含有層の厚みは片面で1μmであった。その後、両面にカーボンブラック粒子含有層が形成されたアルミニウム箔を、メタンガス雰囲気中にて温度550℃で10時間保持し(加熱工程に対応する工程)、炭素被覆アルミニウム材を作製した。本比較例の製造方法は、本発明の製造方法における樹脂層形成工程を含まないものに相当する。
炭素含有粒子22に対応する粒子として平均粒径が300nmのカーボンブラック粒子2質量部を、表1の「炭素含有粒子付着工程で用いる溶剤等」で示すように、塩化ビニル系バインダー1質量部と混合し、トルエンとメチルエチルケトンの混合溶液に分散させることにより、炭素含有粒子付着工程に対応する工程で用いる塗工液として、固形分が20質量%のカーボンブラック粒子を含む塗工液を得た。この塗工液を厚みが50μmで純度が99.3質量%のアルミニウム箔の両面に塗布し、温度150℃で30秒間乾燥した(炭素含有粒子付着工程に対応する工程)。なお、乾燥後のカーボンブラック粒子含有層の厚みは片面で3μmであった。その後、両面にカーボンブラック粒子含有層が形成されたアルミニウム箔を、メタンガス雰囲気中にて温度550℃で10時間保持し(加熱工程に対応する)、炭素被覆アルミニウム材を作製した。本比較例の製造方法は、本発明の製造方法における樹脂層形成工程を含まないものに相当する。
実施例1〜6、比較例1〜2で得られた炭素被覆アルミニウム材における炭素含有層2とアルミニウム箔1との経時信頼性試験(炭素含有粒子22の密着性および静電容量特性)の結果を表1に示す。なお、評価条件は以下に示す通りである。
後述する[経時信頼性試験:静電容量特性]の経時試験前に測定された静電容量の値であり、静電容量の試料作製および測定は、EIAJ規格に定める電解コンデンサ用陰極箔の静電容量測定方法に基づいて行った。
まず、試験試料として、作製した実施例1〜6、比較例1〜2の各炭素被覆アルミニウム材を温度85℃、相対湿度85%に保たれた恒温恒湿槽中で6週間保持した。
まず、各試料を、温度85℃、相対湿度85%に保持された恒温恒湿槽中で6週間保持した。
Claims (13)
- アルミニウム材と、
前記アルミニウム材の表面上に形成された炭素含有層と、
前記アルミニウム材と前記炭素含有層との間で前記アルミニウム材の表面の少なくとも一部の領域に形成された、アルミニウムの炭化物を含む介在層とを備え、
前記炭素含有層が複数の炭素含有粒子を含み、
前記炭素含有粒子が、炭素単体または無機炭素化合物からなり、
前記炭素含有粒子の表面には有機物層が形成されている、炭素被覆アルミニウム材。 - 前記炭素含有粒子が、活性炭素繊維、活性炭クロス、活性炭フェルト、活性炭粉末、墨汁、カーボンブラック、グラファイト、および、炭化珪素からなる群より選ばれた1種を含む、請求項1に記載の炭素被覆アルミニウム材。
- 前記有機物層が、少なくとも炭素、水素および酸素の元素を含む、請求項1に記載の炭素被覆アルミニウム材。
- 前記有機物層の厚みが50nm以下である、請求項1に記載の炭素被覆アルミニウム材。
- 前記炭素含有層が、前記介在層の表面から外側に向かって延びるように形成された突出部分を含み、
前記突出部分がアルミニウムの炭化物を含む、請求項1に記載の炭素被覆アルミニウム材。 - 前記炭素含有粒子の少なくとも一部が前記介在層の第1の表面領域上に付着され、前記突出部分が前記介在層の第1の表面領域と異なる第2の表面領域から外側に向かって延びるように形成されている、請求項5に記載の炭素被覆アルミニウム材。
- 当該炭素被覆アルミニウム材は、電極構造体を構成するために用いられる、請求項1に記載の炭素被覆アルミニウム材。
- 前記電極構造体はキャパシタの集電体および電極である、請求項7に記載の炭素被覆アルミニウム材。
- 前記電極構造体は電池の集電体および電極である、請求項7に記載の炭素被覆アルミニウム材。
- 炭素含有粒子の表面に樹脂層を形成する樹脂層形成工程と、
アルミニウム材の表面に、前記樹脂層形成工程により樹脂層が形成された樹脂被覆炭素含有粒子を付着させる炭素含有粒子付着工程と、
前記アルミニウム材と前記樹脂被覆炭素含有粒子とを、炭化水素含有物質を含む空間に配置して、加熱する加熱工程とを備え、
前記炭素含有粒子が、炭素単体または無機炭素化合物からなる、炭素被覆アルミニウム材の製造方法。 - 前記炭素含有粒子が、活性炭素繊維、活性炭クロス、活性炭フェルト、活性炭粉末、墨汁、カーボンブラック、グラファイト、および、炭化珪素からなる群より選ばれた1種を含む、請求項10に記載の炭素被覆アルミニウム材の製造方法。
- 前記樹脂層形成工程は、前記炭素含有粒子と樹脂層を構成するバインダーとを混合する工程を備える、請求項10に記載の炭素被覆アルミニウム材の製造方法。
- 前記加熱工程は、450℃以上660℃未満の温度範囲で行う、請求項10に記載の炭素被覆アルミニウム材の製造方法。
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Patent Citations (4)
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JPH0697004A (ja) * | 1992-09-14 | 1994-04-08 | Matsushita Electric Ind Co Ltd | 分極性電極およびその製造法 |
JP2005333003A (ja) * | 2004-05-20 | 2005-12-02 | Mitsubishi Gas Chem Co Inc | 電気二重層キャパシタ電極用炭素材料およびその製造方法ならびに電気二重層キャパシタ |
JP2006100478A (ja) * | 2004-09-29 | 2006-04-13 | Toyo Aluminium Kk | 固体電解コンデンサ用電極部材とその製造方法、および固体電解コンデンサ用電極部材を用いた固体電解コンデンサ |
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JP2016189323A (ja) * | 2015-03-27 | 2016-11-04 | 株式会社Gsユアサ | 蓄電素子 |
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EP2383371A4 (en) | 2016-01-06 |
WO2010086961A1 (ja) | 2010-08-05 |
JPWO2010086961A1 (ja) | 2012-07-26 |
EP2383371B1 (en) | 2019-08-14 |
CN102037158A (zh) | 2011-04-27 |
CN102037158B (zh) | 2014-05-28 |
KR20150021135A (ko) | 2015-02-27 |
TWI473909B (zh) | 2015-02-21 |
TW201033405A (en) | 2010-09-16 |
EP2383371A1 (en) | 2011-11-02 |
KR20110109810A (ko) | 2011-10-06 |
US20110027537A1 (en) | 2011-02-03 |
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