Electrolyte for use in a capacitor
US6876540B2 · kind B2 · utility
0Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 27, 2001 |
| Grant date | Apr 5, 2005 |
| Priority date | — |
| Expiry date | Dec 27, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G9/022
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrolyte includes (a) 70-99 wt. % of ethylene glycol, and (b) 1-2 wt. % of a substance which is selected from a group that includes the following carboxylic acids and carboxylic acid salts: substituted cinnamic acids, ammonium cinnamate, ammonium α-methyl cinnamate, and ammonium trans-4-phenyl-3-butenoate. The electrolyte may be used in an aluminum electrolytic capacitor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.