Fluorine-containing solvent for lithium batteries with increased security

Fluorine-containing solvent for lithium batteries with increased security

Fluorine-containing solvent for lithium batteries is claimed. The solvent is a partially fluorinated ether of formula: RO((CH2)mO)nCF2CFHX (I) or XCFCHCF2O((CH2)mO)nCF2CFHX (II) (where R = 1-10C linear alkyl, or 3-10C branched alkyl; X = F, Cl or 1-6C perfluoroalkyl also containing ether oxygen; m =...

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Bibliographische Detailangaben
Hauptverfasser: BESENHARD, JUERGEN OTTO, DR, VON WERNER, KONRAD, WINTER, MARTIN
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:Fluorine-containing solvent for lithium batteries is claimed. The solvent is a partially fluorinated ether of formula: RO((CH2)mO)nCF2CFHX (I) or XCFCHCF2O((CH2)mO)nCF2CFHX (II) (where R = 1-10C linear alkyl, or 3-10C branched alkyl; X = F, Cl or 1-6C perfluoroalkyl also containing ether oxygen; m = 2-6; and n = 1-8), and is added to the electrolyte system of the battery.