KR101026664B1 - 알루미늄 전해 커패시터용 음극 박 및 이의 제조방법 - Google Patents
알루미늄 전해 커패시터용 음극 박 및 이의 제조방법 Download PDFInfo
- Publication number
- KR101026664B1 KR101026664B1 KR1020080101247A KR20080101247A KR101026664B1 KR 101026664 B1 KR101026664 B1 KR 101026664B1 KR 1020080101247 A KR1020080101247 A KR 1020080101247A KR 20080101247 A KR20080101247 A KR 20080101247A KR 101026664 B1 KR101026664 B1 KR 101026664B1
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- Prior art keywords
- aluminum
- etching
- foil
- cathode foil
- seconds
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- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 title claims abstract description 39
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000000866 electrolytic etching Methods 0.000 title abstract description 10
- 239000000654 additive Substances 0.000 title abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 56
- 239000011888 foil Substances 0.000 claims abstract description 51
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000003990 capacitor Substances 0.000 claims abstract description 27
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 22
- 238000005530 etching Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000003792 electrolyte Substances 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- -1 chlorine ions Chemical class 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000010186 staining Methods 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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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
- H01G9/042—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
- H01G9/0029—Processes of manufacture
- H01G9/0036—Formation of the solid electrolyte 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
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
Claims (6)
- 삭제
- 알루미늄 전해 커패시터 음극박 에칭용 전해액을 이용한 알루미늄 전해 커패시터용 음극박의 제조방법으로서,알루미늄박을 상온상의 0.1M 수산화나트륨 용액에 30초~1분간 침지하여 1차 전처리 한 후, 5~10% 인산용액에서 30초 내지 1분간 2차 전처리하고, 1M 염산용액에서 30초~1분간 3차 전처리하여 에치피트를 형성시키는 단계(S1) ;상기단계(S1) 후, 상기 에치피트가 형성 된 알루미늄박을 2M~5M 염산을 기본산으로 하고 에틸렌글리콜, 프로필렌글리콜 및 0.5M 황산의 농도가 각각 5~10%의 부피비로 포함하는 전해액 내에서 에칭하는 단계(S2) ; 그리고상기단계(S2)에서 에칭 된 알루미늄박을 세척하고 건조하는 단계(S3)를 포함함을 특징으로 하는, 알루미늄 전해커패시터용 음극 박 제조방법.
- 제 2항에 있어서, 상기단계(S2)에서의 에칭은 전해액이 담긴 용기에 상기단계(S1)에서 에치피트가 형성 된 알루미늄박을 넣고 두개의 탄소판을 이용하여 간접 급전방식의 교류전원을 인가하여 행하는 것임을 특징으로 하는, 알루미늄 전해커패시터용 음극 박 제조방법.
- 제 3항에 있어서, 상기 교류 전원 인가 시 전류 밀도는 0.4A/㎠이며, 주파수는 30Hz임을 특징으로 하는, 알루미늄 전해커패시터용 음극 박 제조방법.
- 제 3항에 있어서 상기 에칭 시간은 10~120초이고, 전해액의 온도는 30~60℃임을 특징으로 하는, 알루미늄 전해커패시터용 음극 박 제조방법.
- 제 2항에 있어서, 상기단계(S3)에서의 세척 및 건조는 세척 시 물의 온도는 30~60℃에서 행하고, 건조는 아세톤이나 메탄올로 세척한 다음 200~300℃에서 10~60초간 건조하는 것임을 특징으로 하는, 알루미늄 전해커패시터용 음극 박 제조방법.
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KR1020080101247A KR101026664B1 (ko) | 2008-10-15 | 2008-10-15 | 알루미늄 전해 커패시터용 음극 박 및 이의 제조방법 |
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KR1020080101247A KR101026664B1 (ko) | 2008-10-15 | 2008-10-15 | 알루미늄 전해 커패시터용 음극 박 및 이의 제조방법 |
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KR20100042109A KR20100042109A (ko) | 2010-04-23 |
KR101026664B1 true KR101026664B1 (ko) | 2011-04-04 |
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CN110048126B (zh) * | 2019-03-24 | 2020-10-16 | 藤县加裕电子科技有限公司 | 一种铝箔的制作工艺及正极集流体 |
CN115360020A (zh) * | 2022-08-23 | 2022-11-18 | 南通江森电子科技有限公司 | 一种电解电容器耐高温合金铝负极箔的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910020765A (ko) * | 1990-05-31 | 1991-12-20 | 서주인 | 알미늄 전해 콘덴서용 전극박의 제조방법 |
JPH0677094A (ja) * | 1992-05-13 | 1994-03-18 | Asahi Glass Co Ltd | 電解コンデンサ用アルミニウム箔のエッチング方法 |
JP2007227770A (ja) | 2006-02-24 | 2007-09-06 | Nichicon Corp | 電解コンデンサ用陽極箔の製造方法 |
KR20080026232A (ko) * | 2006-09-20 | 2008-03-25 | 한국제이씨씨(주) | 알루미늄 전해커패시터용 친환경 전해액의 제조방법 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910020765A (ko) * | 1990-05-31 | 1991-12-20 | 서주인 | 알미늄 전해 콘덴서용 전극박의 제조방법 |
JPH0677094A (ja) * | 1992-05-13 | 1994-03-18 | Asahi Glass Co Ltd | 電解コンデンサ用アルミニウム箔のエッチング方法 |
JP2007227770A (ja) | 2006-02-24 | 2007-09-06 | Nichicon Corp | 電解コンデンサ用陽極箔の製造方法 |
KR20080026232A (ko) * | 2006-09-20 | 2008-03-25 | 한국제이씨씨(주) | 알루미늄 전해커패시터용 친환경 전해액의 제조방법 |
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