Low freezing electrolyte for an electrolytic capacitor
US6939774B2 · kind B2 · utility
11Cited by
10References
19Claims
0Family size
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Key dates
| Filing date | Apr 16, 2004 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | Apr 16, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/13
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrolytic capacitor comprising an anode, cathode and an electrolyte. The electrolyte comprises: about 35-60%, by weight water; about 10-55%, by weight organic solvent; about 0.05 to 10%, by weight, sulphuric acid; about 0.05 to 10%, by weight, boric acid; and about 0.05 to 10%, by weight, phosphorus oxy acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.