The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 14, 2025
Filed:
Oct. 18, 2021
Applicant:
Integrated Graphene Holding Limited, Stirling, GB;
Inventors:
Assignee:
INTEGRATED GRAPHENE HOLDING LIMITED, Stirling, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 11/56 (2013.01); H01G 11/36 (2013.01); H01G 11/62 (2013.01); H01G 11/86 (2013.01);
U.S. Cl.
CPC ...
H01G 11/36 (2013.01); H01G 11/56 (2013.01); H01G 11/62 (2013.01); H01G 11/86 (2013.01);
Abstract
A symmetric supercapacitor device comprising two electrodes, wherein each electrode comprises graphene, and a hydrogel electrolyte enveloping the electrodes in an active area, produces an enhanced operational voltage window. The graphene may be 3D graphene. The electrolyte may comprise a high molarity salt. The electrodes may have an interdigitated geometry.