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Solid-state supercapacitor

Abstract

BACKGROUND
A traditional capacitor, such as an electrostatic capacitor, has a capacitance, which is based on an area of two electrostatic plates and a separating distance between the electrostatic plates. Such a capacitor has a dry separator between the plates. However, a Supercapacitor is an elec trochemical capacitor, which is an electrochemical energy storage device instead of an electrostatic energy storage device. In a typical Supercapacitor, an electric charge is stored in an electrical double layer formed at an interface between an electrode and electrolyte solution, which is a liquid. A Supercapacitor may include a pair of electrodes, which are separated by a porous separator. The electrodes and the porous separator are immersed in the electrolyte solution. The porous separator, filled with the electrolyte Solution, is used to physically isolate the electrodes and prevent electrical shorting of the electrodes …

Date
February 14, 2017
Authors
BS Dunn, CO Chui, AP Jacob, D Membreno, L Smith
Inventors
Bruce S Dunn, Chi On Chui, Ajey Poovannummoottil Jacob, Daniel Membreno, Leland Smith
Patent_office
US
Patent_number
9570244
Application_number
14540742