DE1227561C2 - Verfahren zur verbesserung der formierfaehigkeit von aluminiumelektrodenkoerpern fuer elektrolytkondensatoren - Google Patents
Verfahren zur verbesserung der formierfaehigkeit von aluminiumelektrodenkoerpern fuer elektrolytkondensatorenInfo
- Publication number
- DE1227561C2 DE1227561C2 DE19651227561 DE1227561A DE1227561C2 DE 1227561 C2 DE1227561 C2 DE 1227561C2 DE 19651227561 DE19651227561 DE 19651227561 DE 1227561 A DE1227561 A DE 1227561A DE 1227561 C2 DE1227561 C2 DE 1227561C2
- Authority
- DE
- Germany
- Prior art keywords
- aluminum
- hydrochloric acid
- water
- roughening
- electrode
- 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
Links
- 238000000034 method Methods 0.000 title claims description 31
- 229910052782 aluminium Inorganic materials 0.000 title claims description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 23
- 230000008569 process Effects 0.000 title claims description 16
- 239000003990 capacitor Substances 0.000 title claims description 15
- 239000003792 electrolyte Substances 0.000 title claims 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000005530 etching Methods 0.000 claims description 22
- 238000007788 roughening Methods 0.000 claims description 16
- 239000011888 foil Substances 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 11
- 239000000460 chlorine Substances 0.000 claims description 11
- 229910052801 chlorine Inorganic materials 0.000 claims description 9
- -1 chlorine ions Chemical class 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000002386 leaching Methods 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 230000006872 improvement Effects 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims 4
- 239000007772 electrode material Substances 0.000 claims 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 230000002378 acidificating effect Effects 0.000 claims 1
- 235000019270 ammonium chloride Nutrition 0.000 claims 1
- 239000003518 caustics Substances 0.000 claims 1
- 239000000356 contaminant Substances 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 229910001385 heavy metal Inorganic materials 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 238000004381 surface treatment Methods 0.000 claims 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 20
- 239000000243 solution Substances 0.000 description 14
- 150000001805 chlorine compounds Chemical class 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 229910018516 Al—O Inorganic materials 0.000 description 1
- 230000005653 Brownian motion process Effects 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical class [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005537 brownian motion Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/16—Pretreatment, e.g. desmutting
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
- C23G1/125—Light metals 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- ing And Chemical Polishing (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Chemical Treatment Of Metals (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19651227561 DE1227561C2 (de) | 1965-08-02 | 1965-08-02 | Verfahren zur verbesserung der formierfaehigkeit von aluminiumelektrodenkoerpern fuer elektrolytkondensatoren |
| DE19651546196 DE1546196B1 (de) | 1965-08-02 | 1965-08-02 | Verfahren zur Herstellung von Elektroden aus Aluminium fuer Elektrolytkondensatoren |
| NL6610592A NL6610592A (enExample) | 1965-08-02 | 1966-07-27 | |
| FR71208A FR1487941A (fr) | 1965-08-02 | 1966-07-28 | Procédé de fabrication d'électrodes en aluminium pour condensateurs électrolytiques |
| GB3406866A GB1130627A (en) | 1965-08-02 | 1966-07-29 | Improvements in or relating to the manufacture of aluminium electrodes for electrolytic capacitors |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0098581 | 1965-08-02 | ||
| DE19651227561 DE1227561C2 (de) | 1965-08-02 | 1965-08-02 | Verfahren zur verbesserung der formierfaehigkeit von aluminiumelektrodenkoerpern fuer elektrolytkondensatoren |
| DES0098583 | 1965-08-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1227561B DE1227561B (enExample) | 1973-11-29 |
| DE1227561C2 true DE1227561C2 (de) | 1973-11-29 |
Family
ID=27180468
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19651227561 Expired DE1227561C2 (de) | 1965-08-02 | 1965-08-02 | Verfahren zur verbesserung der formierfaehigkeit von aluminiumelektrodenkoerpern fuer elektrolytkondensatoren |
| DE19651546196 Pending DE1546196B1 (de) | 1965-08-02 | 1965-08-02 | Verfahren zur Herstellung von Elektroden aus Aluminium fuer Elektrolytkondensatoren |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19651546196 Pending DE1546196B1 (de) | 1965-08-02 | 1965-08-02 | Verfahren zur Herstellung von Elektroden aus Aluminium fuer Elektrolytkondensatoren |
Country Status (3)
| Country | Link |
|---|---|
| DE (2) | DE1227561C2 (enExample) |
| GB (1) | GB1130627A (enExample) |
| NL (1) | NL6610592A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018101186B4 (de) | 2017-10-17 | 2021-09-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Passives elektrisches Bauteil mit beim Gießen in-situ erzeugter Isolierschicht |
-
1965
- 1965-08-02 DE DE19651227561 patent/DE1227561C2/de not_active Expired
- 1965-08-02 DE DE19651546196 patent/DE1546196B1/de active Pending
-
1966
- 1966-07-27 NL NL6610592A patent/NL6610592A/xx unknown
- 1966-07-29 GB GB3406866A patent/GB1130627A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1546196B1 (de) | 1970-07-02 |
| GB1130627A (en) | 1968-10-16 |
| NL6610592A (enExample) | 1967-02-03 |
| DE1227561B (enExample) | 1973-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C2 | Grant after previous publication (2nd publication) |