Ultrafast, high-energy supercapacitors with open-shell polymer-carbon-based compound composites

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United States of America Patent

PATENT NO 11970572
APP PUB NO 20230087931A1
SERIAL NO

17840124

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Abstract

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Embodiments of the presently disclosed technology provide a synergistic combination of a conjugated open-shell donor-acceptor polymer with a carbon-based compound (e.g., reduced graphene oxide) to produce a composite electrode material which demonstrates state-of-the-art capacitance and potential window, with excellent kinetics and cycle life. The conjugated open-shell donor-acceptor polymer may comprise a plurality of alternating electron-rich monomers (i.e., donors) and electron-deficient monomers (i.e., acceptors) bonded together via a conjugated backbone. The conjugated backbone may comprise a connection of n-orbitals of the plurality of monomers in alternating single and double bonds that facilitates unpaired electron delocalization—thereby stabilizing charge for the polymer. The carbon-based compound of the composite electrode material may provide porous, conductive scaffolds for the composite electrode material, resulting in electrodes scalable to microns-thick films with fast kinetics.

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Patent Owner(s)

Patent OwnerAddress
THE UNIVERSITY OF SOUTHERN MISSISSIPPI118 COLLEGE DRIVE HATTIESBURG MS 39406

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Azoulay, Jason Hattiesburg, US 3 0
Ng, Tse Nga San Diego, US 60 337
Yao, Lulu San Diego, US 4 0

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