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US 9,005,822 B2Granted
Functional electrolyte for lithium-ion batteries
AssigneeUchicago Argonne, LLC
InventorsLu Zhang, Zhengcheng Zhang, Khalil Amine
Life of this patent
Estimating the term…
Abstract
Functional electrolyte solvents include compounds having at least one aromatic ring with 2, 3, 4 or 5 substituents, at least one of which is a substituted or unsubstituted methoxy group, at least one of which is a tert-butyl group and at least one of which is a substituted or unsubstituted polyether or poly(ethylene oxide) (PEO) group bonded through oxygen to the aromatic ring, are provided.
Claims18
A functional electrolyte solvent comprising a compound of formula
- wherein:
- R2 is H, F, Cl, Br, I, alkyl, or a polyether group;
- and
- R3 is H, F, Cl, Br, I, alkyl, or a polyether group.
1 more element
An electrolyte comprising:
- an alkali metal salt;
- and
- at least one of 1-methoxy-4-(2-methoxyethoxy)-2,5-di-tert-butyl-benzene, 1-methoxy-4-[2-(2-methoxyethoxyl)ethoxy]-2,5-di-tert-butyl-benzene, 1-methoxy-4-[2-[2-(2-ethoxyethoxyl)ethoxy]ethoxy]-2,5-di-tert-butyl-benzene, 1-methoxy-4-[2-[2-[2-(2-methoxyethoxyl)ethoxy]ethoxy]ethoxy]-2,5-di-tert-butyl-benzene, 1-methoxy-4-[2-[2-[2-[2-(2-methoxyethoxyl)ethoxy]ethoxy]ethoxy]ethoxy]-2,5-di-tert-butyl-benzene, and 1-methoxy-4-[2-[2-[2-[2-[2-(2-methoxyethoxyl)ethoxy]ethoxy]ethoxy]ethoxy]ethoxyl-2,5-di-tert-butyl-benzene.
Dependencies are inferred from the claim text.