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US 2019/0165418 A1Published application
Liquid electrolytes for lithium batteries
AssigneeSolvay Specialty Polymers Italy S.P.A.
InventorsSilvia Rita PETRICCI, Patrizia Serenella MACCONE, Libero DAMEN, Christine HAMON, Andrea Vittorio ORIANI
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Abstract
The present invention relates to a novel liquid electrolyte to be used in lithium batteries, said electrolyte comprising a lithium salt and a (per)fluoropolyether (PFPE) polymer.
Claims19
A liquid composition C comprising:
- (a) at least one (per)fluoropolyether polymer P comprising at least one(per)fluoropolyoxyalkylene chain (Rpf) having two chain ends, wherein at least one chain end comprises a chain (Ra) of formula —[CH(J)CH2O]na[CH2CH(J)O]na—, wherein each J is independently hydrogen, straight or branched alkyl or aryl, and na and na' are each independently zero or an integer from 1 to 50, with the proviso that na+na′ is from 1 to 50;
- (b) at least one lithium salt;
- (c) optionally at least one solvent;
- and
- (d) optionally at least one further ingredient.
2 more elements
Dependencies are inferred from the claim text.