High temperature electrolytic capacitor
US4399489A · kind A · utility
8Cited by
8References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 25, 1982 |
| Grant date | Aug 16, 1983 |
| Priority date | — |
| Expiry date | Mar 25, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G9/022
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An aluminum electrolytic capacitor for high temperature operation contains a wound aluminum foil capacitor section in contact with an electrolyte capable of operating as high as 150.degree. C., the electrolyte comprising a mixed solvent system of N-methylpyrrolidinone and up to 5 wt % ethylene glycol and a mixed solute system of dimethylammonium or diisopropylammonium boro-di-catecholate and diisopropylammonium pentaborate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.