GB786803A - Improvements relating to electrolytic capacitors - Google Patents
Improvements relating to electrolytic capacitorsInfo
- Publication number
- GB786803A GB786803A GB1990355A GB1990355A GB786803A GB 786803 A GB786803 A GB 786803A GB 1990355 A GB1990355 A GB 1990355A GB 1990355 A GB1990355 A GB 1990355A GB 786803 A GB786803 A GB 786803A
- Authority
- GB
- United Kingdom
- Prior art keywords
- capacitor
- rectifier
- acid
- voltage
- biased
- 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
- 239000003990 capacitor Substances 0.000 title abstract 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 2
- 239000002585 base Substances 0.000 abstract 2
- 239000003792 electrolyte Substances 0.000 abstract 2
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 abstract 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 229930003836 cresol Natural products 0.000 abstract 1
- 150000002576 ketones Chemical class 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
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
- H01G9/022—Electrolytes; Absorbents
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
786,803. Electrolytic capacitors. WARREN, S. D., and BURKARD, R. F. July 8, 1955, No. 19903/55. Class 37. The electrolyte in an electrolytic capacitor comprises a substantially anhydrous mixture of an insulating organic solvent, preferably a ketone, a weak organic acid such as a phenol or cresol and an alkali metal base such as sodium hydroxide. The percentage of acid to solvent lies in the range 5-80 per cent and the percentage of base to acid lies in the range 0.03- 0.8 per cent. It is stated that under these conditions the capacitor can be made to operate satisfactorily when an alternating voltage applied thereto is biased by a direct voltage of less than the peak alternating voltage. The bias voltage may consequently be derived from a rectifier connected to the A.C. source as shown in Fig. 1 where the capacitor containing the anhydrous electrolyte is connected across the A.C. source 10 and is biased by a direct voltage derived by means of the rectifier 18. As shown in Fig. 3, the capacitor is housed within a metal can 25 to which the bias voltage is applied over the conductor 27 from the rectifier 26 connected to the terminal 28 of the capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1990355A GB786803A (en) | 1955-07-08 | 1955-07-08 | Improvements relating to electrolytic capacitors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1990355A GB786803A (en) | 1955-07-08 | 1955-07-08 | Improvements relating to electrolytic capacitors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB786803A true GB786803A (en) | 1957-11-27 |
Family
ID=10137064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1990355A Expired GB786803A (en) | 1955-07-08 | 1955-07-08 | Improvements relating to electrolytic capacitors |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB786803A (en) |
-
1955
- 1955-07-08 GB GB1990355A patent/GB786803A/en not_active Expired
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