Capacitor electrodes for lead-acid battery with surface-modified additives
US9117596B2 · kind B2 · utility
3Cited by
20References
21Claims
0Family size
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Key dates
| Filing date | Mar 27, 2013 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Sep 17, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Electrodes, which may be composite capacitor electrodes, include carbon fibers, illustratively chopped carbon fibers having an aspect ratio of from about 100-5000, have been treated with a non-ionic surfactant, specifically the polyoxyethyleneglycol octophenyl ether, Triton X-100, to increase the hydrophilicity of the fibers. The capacitive electrodes prepared with the surface-modified carbon fibers exhibit increased charge acceptance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.