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.

Date of Patent:
Mar. 17, 2026

Filed:

May. 19, 2022
Applicant:

The Johns Hopkins University, Baltimore, MD (US);

Inventors:

Konstantinos Gerasopoulos, Fulton, MD (US);

Bing Tan, Ann Arbor, MI (US);

Assignee:

The Johns Hopkins University, Baltimore, MD (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0565 (2010.01); H01M 4/02 (2006.01); H01M 4/485 (2010.01); H01M 4/525 (2010.01); H01M 4/583 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0565 (2013.01); H01M 4/485 (2013.01); H01M 4/525 (2013.01); H01M 4/583 (2013.01); H01M 4/623 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01);
Abstract

Aspects of the disclosure provide an energy storage device that can include a cathode, an anode, and a solid polymer electrolyte. The solid polymer electrolyte can include polyvinylidene fluoride (PVDF) and bis(trifluoro-methanesulfonyl)imide (LiTFSI). A mass content of the LiTFSI can be greater than a mass content of the PVDF. The solid polymer electrolyte can have a structural composition based on forming the solid polymer electrolyte using a solution comprising a solid content, comprising the PVDF and LiTFSI, and one or more solvents for dissolving the solid content, the solid content being approximately 0.19 or greater of the solution.


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