JP2010021589A - コンデンサ陰極用箔およびその製造方法 - Google Patents
コンデンサ陰極用箔およびその製造方法 Download PDFInfo
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- JP2010021589A JP2010021589A JP2009246013A JP2009246013A JP2010021589A JP 2010021589 A JP2010021589 A JP 2010021589A JP 2009246013 A JP2009246013 A JP 2009246013A JP 2009246013 A JP2009246013 A JP 2009246013A JP 2010021589 A JP2010021589 A JP 2010021589A
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- aluminum foil
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- cathode
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- 239000011888 foil Substances 0.000 title claims abstract description 154
- 239000003990 capacitor Substances 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 152
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 140
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 63
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 55
- 229930195733 hydrocarbon Natural products 0.000 claims description 26
- 150000002430 hydrocarbons Chemical class 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000004215 Carbon black (E152) Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 19
- 239000000126 substance Substances 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 13
- 230000003068 static effect Effects 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 15
- 239000002245 particle Substances 0.000 description 15
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 238000005530 etching Methods 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 238000001878 scanning electron micrograph Methods 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 241000219357 Cactaceae Species 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 5
- 230000004913 activation Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 4
- 239000006229 carbon black Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000001294 propane Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 125000002534 ethynyl group Chemical class [H]C#C* 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- -1 ethylene, propylene, butene Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 239000010409 thin film Substances 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
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- 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
- H01G9/0425—Electrodes or formation of dielectric layers thereon characterised by the material specially adapted for cathode
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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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/26—Deposition of carbon only
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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
- C23C8/06—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 gases
- C23C8/08—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 gases only one element being applied
- C23C8/20—Carburising
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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
- C23C8/60—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
- C23C8/62—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 only one element being applied
- C23C8/64—Carburising
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- 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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- H01G11/32—Carbon-based
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- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
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Abstract
【解決手段】コンデンサ陰極用箔は、アルミニウム箔と、このアルミニウム箔の表面上に形成された炭素含有層とを備える。アルミニウム箔と炭素含有層との間には、アルミニウムと炭素を含む介在層が形成されている。炭素含有層は、アルミニウム箔の表面から外側に延びるように形成されている。介在層は、アルミニウム箔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第1の表面部分を構成する。炭素含有層は、第1の表面部分から外側に向かって延びるように形成された第2の表面部分を構成する。
【選択図】図1
Description
厚みが30μmのアルミニウム箔(JIS A1050−H18)を、アセチレンガス雰囲気中にて温度590℃で10時間保持した。その後、走査電子顕微鏡(SEM)で試料の表面を観察したところ、炭素含有層として、約1000nmの長さで繊維状またはフィラメント状の形態でアルミニウム箔の表面から外側に延びている部分の存在を確認した。この走査電子顕微鏡写真を図1に示す。また、X線回折および電子エネルギー損失分光器(EELS)にて炭化アルミニウムの存在を確認した。
平均粒径が0.5μmのカーボンブラック2重量部を、塩化ビニル系バインダー1重量部と混合し、溶剤(トルエン)に分散させて固形分30%の塗工液を得た。この塗工液を、厚みが30μmのアルミニウム箔(JIS A1050−H18)の両面に塗工し、乾燥した。乾燥後の塗膜の厚みは片面1μmであった。このアルミニウム箔をメタンガス雰囲気中にて温度590℃で10時間保持した。その後、走査電子顕微鏡(SEM)で試料の表面を観察したところ、約1000nmの長さで繊維状またはフィラメント状の形態でアルミニウム箔の表面から外側に延びている部分と、この部分の上に付着している粒径が約0.5μmの多数個の粒子部分とから構成される炭素含有層の存在を確認した。また、X線回折および電子エネルギー損失分光器(EELS)にて炭化アルミニウムの存在を確認した。
平均粒径が1μmのアルミニウム粉末2重量部を、塩化ビニル系バインダー1重量部と混合し、溶剤(トルエン)に分散させて固形分30%の塗工液を得た。この塗工液を、厚みが15μmのアルミニウム箔(JIS 1N30−H18)の両面に塗工し、乾燥した。乾燥後の塗膜の厚みは片面2μmであった。このアルミニウム箔をメタンガス雰囲気中にて温度620℃で10時間保持した。その後、走査電子顕微鏡(SEM)で試料表面を観察したところ、炭素含有層として、アルミニウム箔の表面上に付着している粒径が約1μmの多数個の粒子部分から、約5000nmの長さでサボテン状の形態で外側に延びている部分の存在を確認した。この走査電子顕微鏡写真を図2に示す。また、X線回折および電子エネルギー損失分光器(EELS)にて炭化アルミニウムの存在を確認した。
平均粒径が0.1μmのカーボンブラック2重量部と平均粒径が1μmのアルミニウム粉末2重量部を、塩化ビニル系バインダー1重量部と混合し、溶剤(トルエン)に分散させて固形分30%の塗工液を得た。この塗工液を、厚みが12μmのアルミニウム箔(JIS A3003−H18)の両面に塗工し、乾燥した。乾燥後の塗膜の厚みは片面4μmであった。このアルミニウム箔を表1に示す条件で熱処理した。実施例8では、熱処理後に圧延ロールを用いて約20%の圧下率で圧延加工をアルミニウム箔に施した。実施例10では、熱処理後に空気中で300℃2時間の賦活処理を施した。その後、走査電子顕微鏡(SEM)で試料表面を観察したところ、アルミニウム箔の表面上に付着している粒径が約1μmの多数個の粒子部分から、サボテン状の形態で外側に延びている部分と、この部分の上に付着している粒径が約0.1μmの多数個の粒子部分とから構成される炭素含有層の存在を確認した。実施例6の走査電子顕微鏡写真を図3に示す。また、X線回折および電子エネルギー損失分光器(EELS)にて炭化アルミニウムの存在を確認した。
平均粒径が0.1μmのカーボンブラック2重量部と平均粒径が1μmのアルミニウム粉末2重量部を、塩化ビニル系バインダー1重量部と混合し、溶剤(トルエン)に分散させて固形分30%の塗工液を得た。この塗工液を、厚みが12μmのアルミニウム箔(JIS A3003−H18)の両面に塗工し、乾燥した。乾燥後の塗膜の厚みは片面4μmであった。このアルミニウム箔をアルゴンガス中にて温度500℃で乾燥した。その後、走査電子顕微鏡(SEM)で試料表面を観察したが、炭素含有層がアルミニウム箔の表面に付着して形成されておらず、塗膜が剥離して脱落している部分が見られ、繊維状、フィラメント状またはサボテン状の形態で表面から外側に延びている部分の存在は確認されなかった。また、X線回折および電子エネルギー損失分光器(EELS)にても炭化アルミニウムの存在は確認されなかった。
厚みが40μmのアルミニウム箔(JIS A1080−H18)に、塩酸15%と硫酸0.5%を含む電解液中で温度50℃、電流密度0.4A/cm2の条件にて60秒間交流エッチング処理を施した後、エッチング後のアルミニウム箔を水洗し、乾燥した。
各試料の厚みを100倍の光学顕微鏡断面写真において測定した。その測定結果を表2に示す。
各試料の静電容量は、ホウ酸アンモニウム水溶液(8g/L)中で、LCRメータにより測定した。
各試料の機械的強度は引張試験によって評価した。すなわち、インストロン型引張試験機を用い、幅15mmの試料を引張速度10mm/minで引張り、試料の厚みから引張強度を算出した。
Claims (4)
- アルミニウム箔と、
前記アルミニウム箔の表面上に形成された炭素含有層とを備え、
前記アルミニウム箔と前記炭素含有層との間に形成された、アルミニウムと炭素を含む介在層をさらに備え、
前記炭素含有層は、前記アルミニウム箔の表面から外側に延びるように形成され、
前記介在層は、前記アルミニウム箔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第1の表面部分を構成し、
前記炭素含有層は、前記第1の表面部分から外側に向かって延びるように形成された第2の表面部分を構成する、コンデンサ陰極用箔。 - 前記炭素含有層は、アルミニウムと炭素を含む介在物を内部に含む、請求項1に記載のコンデンサ陰極用箔。
- 炭化水素含有物質を含む空間にアルミニウム箔を配置する工程と、
前記アルミニウム箔を加熱する工程とを備え、
前記アルミニウム箔を配置する工程は、炭素含有物質およびアルミニウム粉末からなる群より選ばれた少なくとも1種をアルミニウム箔の表面に付着させた後、炭化水素含有物質を含む空間にアルミニウム箔を配置することを含む、コンデンサ陰極用箔の製造方法。 - 前記アルミニウム箔を加熱する工程は、450℃以上660℃未満の温度範囲で行なう、請求項3に記載のコンデンサ陰極用箔の製造方法。
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CN110648849B (zh) * | 2019-09-26 | 2021-12-14 | 宇启材料科技南通有限公司 | 一种阀金属多孔体涂层电极箔及制作方法和电解电容器 |
CN111009419B (zh) * | 2019-09-26 | 2022-05-10 | 宇启材料科技南通有限公司 | 一种涂层电极箔及制作方法和电解电容器 |
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KR100880434B1 (ko) | 2009-01-29 |
KR20050116836A (ko) | 2005-12-13 |
CN1833047A (zh) | 2006-09-13 |
EP1619699A1 (en) | 2006-01-25 |
TW200426867A (en) | 2004-12-01 |
TWI339912B (en) | 2011-04-01 |
JPWO2004088690A1 (ja) | 2006-07-06 |
EP1609878A4 (en) | 2007-08-08 |
KR20050118202A (ko) | 2005-12-15 |
US20060172134A1 (en) | 2006-08-03 |
EP1619699A4 (en) | 2007-08-08 |
EP1609878B1 (en) | 2017-06-14 |
WO2004088690A1 (ja) | 2004-10-14 |
JP4782862B2 (ja) | 2011-09-28 |
US7327556B2 (en) | 2008-02-05 |
US7388740B2 (en) | 2008-06-17 |
JP4445465B2 (ja) | 2010-04-07 |
EP1609878A1 (en) | 2005-12-28 |
CN1777965A (zh) | 2006-05-24 |
CN1833047B (zh) | 2010-05-26 |
CA2519115A1 (en) | 2004-10-14 |
EP1619699B1 (en) | 2015-11-18 |
KR100873426B1 (ko) | 2008-12-11 |
US20060171102A1 (en) | 2006-08-03 |
WO2004087984A1 (ja) | 2004-10-14 |
JPWO2004087984A1 (ja) | 2006-07-06 |
TW200423459A (en) | 2004-11-01 |
TWI333221B (en) | 2010-11-11 |
CN100521013C (zh) | 2009-07-29 |
CA2519115C (en) | 2011-01-18 |
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