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US 2024/0405283 A1Published application
Composition comprising an alkali metal salt of bis(fluoro sulfonyl)imide
AssigneeSpecialty Operations France
InventorsEtienne Schmitt, Nicolas Roques, Frédéric Batt, Elie Derrien
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Abstract
The present invention relates to a composition comprising an alkali metal salt of bis(fluorosulfonyl)imide and to the use of such composition in an electrolyte for batteries.
Claims12
A composition comprising:
- at least one alkali metal salt of bis(fluorosulfonyl)imide;
- at least one alkali metal salt of FSO3 in an amount up to 100 ppm, as measured by ionic chromatography;
- at least one compound of formula (I) or a salt thereof as represented in the following formulae, in an amount up to 100 ppm, as measured by ionic chromatography:
- and
- at least one compound of formula (II) or a salt thereof as represented in the following formulae, in an amount up to 100 ppm as measured by ionic chromatography:
2 more elements
The composition (COMP) according to, wherein said salt in each of the FSI-salt, in FSO3−, in compound of formula (I) and in compound of formula (II) is a salt with:
- lithium, sodium and potassium.
Dependencies are inferred from the claim text.