KR100889488B1 - 알루미늄 전해 커패시터 음극 박 에칭용 전해액 및 이의제조방법. - Google Patents
알루미늄 전해 커패시터 음극 박 에칭용 전해액 및 이의제조방법. Download PDFInfo
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- KR100889488B1 KR100889488B1 KR1020070115092A KR20070115092A KR100889488B1 KR 100889488 B1 KR100889488 B1 KR 100889488B1 KR 1020070115092 A KR1020070115092 A KR 1020070115092A KR 20070115092 A KR20070115092 A KR 20070115092A KR 100889488 B1 KR100889488 B1 KR 100889488B1
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- Prior art keywords
- foil
- aluminum
- etching
- aluminum foil
- manufacturing
- Prior art date
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000003792 electrolyte Substances 0.000 title abstract description 12
- 238000000866 electrolytic etching Methods 0.000 title description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 63
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000011888 foil Substances 0.000 claims abstract description 49
- 238000005530 etching Methods 0.000 claims abstract description 39
- 239000003990 capacitor Substances 0.000 claims abstract description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 10
- 238000005406 washing Methods 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 17
- 239000008151 electrolyte solution Substances 0.000 claims description 15
- 239000012153 distilled water Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 abstract description 2
- 238000007781 pre-processing Methods 0.000 abstract 3
- 239000004411 aluminium Substances 0.000 abstract 2
- 238000005868 electrolysis reaction Methods 0.000 abstract 2
- -1 chlorine ions Chemical class 0.000 description 15
- 238000005260 corrosion Methods 0.000 description 12
- 230000007797 corrosion Effects 0.000 description 12
- 239000000460 chlorine Substances 0.000 description 11
- 229910052801 chlorine Inorganic materials 0.000 description 11
- 150000002500 ions Chemical class 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000003486 chemical etching Methods 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010349 cathodic reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
- C25F3/04—Etching of light metals
-
- 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
- H01G9/0425—Electrodes or formation of dielectric layers thereon characterised by the material specially adapted for cathode
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
Claims (10)
- 삭제
- 알루미늄 전해 커패시터 음극박 에칭용 전해액을 이용한 알루미늄 전해커패시터용 음극박의 제조방법으로서, 알루미늄박을 25~35℃의 수산화나트륨에서 30초~3분간 1차 전처리한 후, 5%인산에서 30초~3분간 2차 전처리한 다음, 염산 및 질산에서 각각 30초~3분간 3차 전처리하여 에치피트를 형성시키는 단계(S1) ;상기단계(S1) 후, 2~5M 연산을 주성분으로 하고 AlCl3·6H2O 농도가 3,000~4,000 질량ppm이며, 0.5~2M의 황산을 포함하는 전해액이 담긴 용기에 알루미늄박을 넣고 두개의 탄소판을 함침 시켜 탄소판에 교류전원을 공급하여 상기 에치피트가 형성된 알루미늄박을 에칭하는 단계(S2) ; 그리고상기단계(S3) 후 에칭된 알루미늄박을 세척하고 건조하는 단계(S3)를 포함함을 특징으로 하는, 알루미늄 전해커패시터용 음극박의 제조방법.
- 삭제
- 삭제
- 제 2항에 있어서, 상기 함침은 1~3시간 행하는 것임을 특징으로 하는 알루미늄 전해커패시터용 음극박의 제조방법
- 제 2항에 있어서, 상기 교류전원 공급 시 전류 밀도는 0.3A/Cm2이며, 주파수는 20~60Hz임을 특징으로 하는 알루미늄 전해커패시터용 음극박의 제조방법
- 제 2항에 있어서, 상기 전해액의 온도는 50~70℃임을 특징으로 하는 알루미늄 전해커패시터용 음극박의 제조방법
- 제 2항에 있어서, 상기 단계(S3)에서의 세척 및 건조는 에칭된 음극박을 증류수로 세척 후 0.1N 이하의 질산으로 세척시킨 다음, 200~300℃에서 10~60초간 건조하는 것임을 특징으로 하는 알루미늄 전해커패시터용 음극박의 제조방법
- 제 8항에 있어서, 상기 질산으로 세척한 다음 증류수로 세척을 다시함을 특징으로 하는 알루미늄 전해커패시터용 음극박의 제조방법.
- 삭제
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KR1020070115092A KR100889488B1 (ko) | 2007-11-12 | 2007-11-12 | 알루미늄 전해 커패시터 음극 박 에칭용 전해액 및 이의제조방법. |
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KR1020070115092A KR100889488B1 (ko) | 2007-11-12 | 2007-11-12 | 알루미늄 전해 커패시터 음극 박 에칭용 전해액 및 이의제조방법. |
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KR100889488B1 true KR100889488B1 (ko) | 2009-03-19 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101372818B1 (ko) | 2011-12-26 | 2014-03-13 | 한국제이씨씨(주) | 초고용량 커패시터용 저저항 전극 제조 방법 및 이를 포함하고 있는 초고용량 커패시터의 제조 방법 |
CN104480520A (zh) * | 2014-11-24 | 2015-04-01 | 肇庆华锋电子铝箔股份有限公司 | 一种电化学腐蚀生产高纯度负极箔的制造方法 |
RU2611463C2 (ru) * | 2015-07-20 | 2017-02-22 | Федеральное государственное бюджетное учреждение науки Институт высокотемпературной электрохимии Уральского отделения Российской Академии наук | Способ обработки проволоки для катализатора, выполненной из металла платиновой группы |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910009882A (ko) * | 1989-11-30 | 1991-06-28 | 서주인 | 전해 콘덴서용 알루미늄박의 에칭액 및 이를 사용하는 에칭방법 |
KR100232293B1 (ko) * | 1997-02-19 | 1999-12-01 | 변동준 | 알루미늄 전해 콘덴서용 전극박의 제조방법 |
KR100350210B1 (ko) * | 1993-12-29 | 2003-01-14 | 쇼와 덴코 가부시키가이샤 | 전해콘덴서전극용알루미늄박의에칭방법 |
-
2007
- 2007-11-12 KR KR1020070115092A patent/KR100889488B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910009882A (ko) * | 1989-11-30 | 1991-06-28 | 서주인 | 전해 콘덴서용 알루미늄박의 에칭액 및 이를 사용하는 에칭방법 |
KR100350210B1 (ko) * | 1993-12-29 | 2003-01-14 | 쇼와 덴코 가부시키가이샤 | 전해콘덴서전극용알루미늄박의에칭방법 |
KR100232293B1 (ko) * | 1997-02-19 | 1999-12-01 | 변동준 | 알루미늄 전해 콘덴서용 전극박의 제조방법 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101372818B1 (ko) | 2011-12-26 | 2014-03-13 | 한국제이씨씨(주) | 초고용량 커패시터용 저저항 전극 제조 방법 및 이를 포함하고 있는 초고용량 커패시터의 제조 방법 |
CN104480520A (zh) * | 2014-11-24 | 2015-04-01 | 肇庆华锋电子铝箔股份有限公司 | 一种电化学腐蚀生产高纯度负极箔的制造方法 |
RU2611463C2 (ru) * | 2015-07-20 | 2017-02-22 | Федеральное государственное бюджетное учреждение науки Институт высокотемпературной электрохимии Уральского отделения Российской Академии наук | Способ обработки проволоки для катализатора, выполненной из металла платиновой группы |
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