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:
Apr. 29, 2025
Filed:
Aug. 31, 2023
Applicant:
Uchicago Argonne, Llc, Chicago, IL (US);
Inventors:
Zhengcheng Zhang, Naperville, IL (US);
Qian Liu, Darien, IL (US);
Assignee:
UCHICAGO ARGONNE, LLC, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0569 (2009.12); C07D 207/06 (2005.12); C07D 207/10 (2005.12); C07D 211/14 (2005.12); H01M 10/0525 (2009.12);
U.S. Cl.
CPC ...
H01M 10/0569 (2012.12); C07D 207/06 (2012.12); C07D 207/10 (2012.12); C07D 211/14 (2012.12); H01M 10/0525 (2012.12); H01M 2300/0028 (2012.12);
Abstract
Described herein is a method of preparing an ionic liquid comprising a nitrogen or phosphorus cation and a bis(fluorosulfonyl)imidate (FSI) counter anion; the method comprising contacting a precursor selected from the group consisting of a tertiary amine, a tertiary phosphine, and an aromatic nitrogen heterocycle, with an alkyl bis(fluorosulfonyl)imidate in an aprotic solvent to alkylate the nitrogen or phosphorus of the precursor, and directly form a nitrogen or phosphorus cation with an FSI counter anion.