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US 2026/0229589 A1Published application
Polymer electrolyte composition
AssigneeBasquevolt S.A.
InventorsMaría MARTÍNEZ-IBÁÑEZ, Michel ARMAND, Mikel ARRESE-IGOR, Leire MEABE, Lorena GARCÍA, Iñigo RAPOSO, Nicola BOARETTO, Aitor VILLAVERDE OREJÓN, Maria Carmen MORANT MIÑANA, Vincent GIORDANI
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Abstract
The present invention relates to a polymer electrolyte composition comprising a lithium salt of (difluoromethanesulfonyl)(trifluoromethanesulfonyl)imide and a second lithium salt. The invention also relates to an electrochemical cell or battery comprising said polymer electrolyte composition and to a method for the preparation of said polymer electrolyte composition.
Claims19
A polymer electrolyte composition comprising:
- a) a polymer for electrolyte;
- b) a first lithium salt of formula (I)
- and c) a second lithium salt suitable for lithium metal batteries electrolytes, wherein said second lithium salt is a salt of formula LiB(C2O4)2 or a salt of formula LiBF2(C2O4).
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Dependencies are inferred from the claim text.