Sulfonimide salts for battery applications
AssigneesMassachusetts Institute of Technology, Samsung Electronics Co., Ltd.
InventorsJeremiah Allen Johnson, Yang Shao-Horn, Robinson Anandakathir, Mao Chen, Shuting Feng, Livia Giordano, Mingjun Huang, Wenxu Zhang
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Abstract
A class of sulfonimide salts for solid-state electrolytes can be synthesized based on successive SNAr reactions of fluorinated phenyl sulfonimides: Fluorinated Aryl Sulfonimide Tags (FAST). The chemical and electrochemical oxidative stability of these FAST salts as well as other properties like solubility, Lewis basicity, and conductivity can be tuned by introducing different numbers and types of nucleophilic functional groups to the FAST salt scaffold.
Claims15
A composition comprising a compound having a structure:
- wherein R1 is —CF3 or a fluorinated phenyl and R2 is a fluorinated phenyl and R3 is —CF3 or a fluorinated phenyl and R4 is a fluorinated phenyl, wherein each fluorinated phenyl of the compound has at least two fluorine groups and at least one of R3 and R4 is substituted by an oxygen- and/or nitrogen-base nucleophile.
A method of making a sulfonamide comprising combining a sulfonamide and a sufonyl chloride according to equation (1)
- to form a first sulfonamide, wherein R1 is —CF3 or a fluorinated phenyl and R2 is a fluorinated phenyl, wherein each fluorinated phenyl has at least two fluorine groups or is substituted by an oxygen- and/or nitrogen-base nucleophile.
Dependencies are inferred from the claim text.