Composite electrode and method for fabricating same
US7090946B2 · kind B2 · utility
26Cited by
10References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 12, 2004 |
| Grant date | Aug 15, 2006 |
| Priority date | — |
| Expiry date | Aug 12, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49112
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Composite electrodes are constructed with pressure-bonding techniques instead of an adhesive. A current collector is made from aluminum foil roughed on both surfaces. The surfaces of the collector can be treated to enhance adhesion to the surfaces. Layers of film that includes active electrode material, such as activated carbon, are fabricated and pressure-bonded to the current collector using a calender with heated rollers. The resulting composite sheet is then processed to shape electrodes, which can be used in electrical energy storage devices, including double layer capacitors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.