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:
Sep. 21, 2022
Applicant:
Shenzhen Capchem Technology Co., Ltd., Guangdong, CN;
Inventors:
Assignee:
SHENZHEN CAPCHEM TECHNOLOGY CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 11/64 (2013.01); H01G 11/04 (2013.01); H01G 11/60 (2013.01);
U.S. Cl.
CPC ...
H01G 11/64 (2013.01); H01G 11/04 (2013.01); H01G 11/60 (2013.01);
Abstract
In order to overcome the problem that the electrochemical performance of the existing supercapacitor is seriously deteriorated at low temperature, the application provides a supercapacitor, comprising a positive electrode, a negative electrode and an organic electrolyte solution, wherein the organic electrolyte solution comprises an organic electrolyte, a proton inert solvent and an additive, and the additive comprises a compound represented by structural formula 1: The supercapacitor provided by the application has lower ESR (equivalent series resistance) and better high and low temperature performances.