DE1546196B1 - Verfahren zur Herstellung von Elektroden aus Aluminium fuer Elektrolytkondensatoren - Google Patents
Verfahren zur Herstellung von Elektroden aus Aluminium fuer ElektrolytkondensatorenInfo
- Publication number
- DE1546196B1 DE1546196B1 DE19651546196 DE1546196A DE1546196B1 DE 1546196 B1 DE1546196 B1 DE 1546196B1 DE 19651546196 DE19651546196 DE 19651546196 DE 1546196 A DE1546196 A DE 1546196A DE 1546196 B1 DE1546196 B1 DE 1546196B1
- Authority
- DE
- Germany
- Prior art keywords
- aluminum
- phosphoric acid
- solution
- cleaning
- electrodes
- 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.)
- Pending
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 39
- 229910052782 aluminium Inorganic materials 0.000 title claims description 37
- 239000003990 capacitor Substances 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 40
- 238000004140 cleaning Methods 0.000 claims description 22
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000007788 roughening Methods 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 23
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical class O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 7
- 229910001593 boehmite Inorganic materials 0.000 description 7
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 7
- 230000002378 acidificating effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000011282 treatment Methods 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- -1 halogen ions Chemical class 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 241001676573 Minium Species 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- WMWXXXSCZVGQAR-UHFFFAOYSA-N dialuminum;oxygen(2-);hydrate Chemical class O.[O-2].[O-2].[O-2].[Al+3].[Al+3] WMWXXXSCZVGQAR-UHFFFAOYSA-N 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910017119 AlPO Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical class [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000004135 Bone phosphate Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 238000011866 long-term treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 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)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electrochemistry (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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0098583 | 1965-08-02 | ||
| DES0098581 | 1965-08-02 | ||
| DE19651227561 DE1227561C2 (de) | 1965-08-02 | 1965-08-02 | Verfahren zur verbesserung der formierfaehigkeit von aluminiumelektrodenkoerpern fuer elektrolytkondensatoren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1546196B1 true DE1546196B1 (de) | 1970-07-02 |
Family
ID=27180468
Family Applications (2)
| 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 |
| DE19651227561 Expired DE1227561C2 (de) | 1965-08-02 | 1965-08-02 | Verfahren zur verbesserung der formierfaehigkeit von aluminiumelektrodenkoerpern fuer elektrolytkondensatoren |
Family Applications After (1)
| 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 |
Country Status (3)
| Country | Link |
|---|---|
| DE (2) | DE1546196B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1130627A (enrdf_load_stackoverflow) |
| NL (1) | NL6610592A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018101186A1 (de) * | 2017-10-17 | 2019-04-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Passives elektrisches Bauteil mit beim Gießen in-situ erzeugter Isolierschicht |
-
1965
- 1965-08-02 DE DE19651546196 patent/DE1546196B1/de active Pending
- 1965-08-02 DE DE19651227561 patent/DE1227561C2/de not_active Expired
-
1966
- 1966-07-27 NL NL6610592A patent/NL6610592A/xx unknown
- 1966-07-29 GB GB3406866A patent/GB1130627A/en not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| None * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018101186A1 (de) * | 2017-10-17 | 2019-04-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Passives elektrisches Bauteil mit beim Gießen in-situ erzeugter Isolierschicht |
| WO2019076602A1 (de) | 2017-10-17 | 2019-04-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | PASSIVES ELEKTRISCHES BAUTEIL MIT BEIM GIEßEN IN-SITU ERZEUGTER ISOLIERSCHICHT |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1130627A (en) | 1968-10-16 |
| DE1227561B (enrdf_load_stackoverflow) | 1973-11-29 |
| DE1227561C2 (de) | 1973-11-29 |
| NL6610592A (enrdf_load_stackoverflow) | 1967-02-03 |
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