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Title: Ionic liquid electrolyte for lithium-ion batteries

Patent ·
OSTI ID:2293709
;

The ionic liquids disclosed herein are salts comprising a nitrogen or phosphorus such as a quaternary ammonium ion, a quaternary phosphonium ion, or an N-alkylated nitrogen heterocycle, and which include at least one functional substituent, e.g., a fluoro, cyano, carbonate ester, an alkenyl group, or an alkynyl group bonded to a carbon atom the cation. In a preferred embodiment, the cation is represented by the structure of Formula (I) as described herein.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-06CH11357
Assignee:
UChicago Argonne, LLC (Chicago, IL)
Patent Number(s):
11,784,350
Application Number:
16/722,413
OSTI ID:
2293709
Resource Relation:
Patent File Date: 12/20/2019
Country of Publication:
United States
Language:
English

References (11)

Room-Temperature Ionic Liquids: Solvents for Synthesis and Catalysis. 2 journal May 2011
Charge Transport in Nonstoichiometric 2-Fluoropyridinium Triflate Protic Ionic Liquids journal September 2019
Chiral and Redox‐Active Room‐Temperature Ionic Liquids Based on Ferrocene and l‐Proline journal September 2016
CHEMISTRY: Ionic Liquids--Solvents of the Future? journal October 2003
Pentacyclic Anion Salt and Use Thereof as an Electrolyte patent-application December 2011
Ionic Liquids: Promising Solvents for Electrochemistry journal February 2004
The formation of all-cis-(multi)fluorinated piperidines by a dearomatization–hydrogenation process journal January 2019
Room temperature ionic liquids of alkylimidazolium cations and fluoroanions journal September 2000
Electrolyte based on fluorinated cyclic quaternary ammonium ionic liquids journal March 2012
Nonaqueous Electrolytes and Advances in Additives book January 2014
Electrolytes for Lithium and Lithium-Ion Batteries book January 2014

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