Supercapacitor
US10679799B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Aug 29, 2017 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Aug 29, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/13
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical energy storage apparatus such as a capacitor, supercapacitor, hybrid supercapacitor, electrical double layer capacitor, battery or the like, comprising an electrode plate, an isolation film, a pole and a shell, wherein the electrode plate comprises a current collector and a coating disposed on the current collector, the coating comprises active material, conductive agent and adhesive in the mass ratio of (70-95):(2-20):(3-10); the active material comprises carbon material, conductive polymer and graphite type carbon nitride in the mass ratio of (60-90):(5-30):(5-10); the carbon material is nitrogen-doped graphene that has been functionalized with poly (3-hexylthiophene), and the surface of graphene is deposited with oxides of manganese or manganese dioxide nanoparticles; the conductive polymer is at least one of polyaniline, polythiophene and polypyrrole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.