A RECHARGEABLE LITHIUM ELECTROCHEMICAL CELL USABLE AT LOW TEMPERATURE

A RECHARGEABLE LITHIUM ELECTROCHEMICAL CELL USABLE AT LOW TEMPERATURE

The present invention provides a rechargeable lithium electrochemical cell comprising an electrolyte containing a lithium salt dissolved in a non-aqueous solvent, at least one positive electrode, and at least one negative electrode of the paste type containing an electrochemically active material wh...

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Bibliographische Detailangaben
Hauptverfasser: BIENSAN, PHILIPPE, HERREYRE, SYLVIE, PERTON, FRANCOISE, BARUSSEAU, SYLVIE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention provides a rechargeable lithium electrochemical cell comprising an electrolyte containing a lithium salt dissolved in a non-aqueous solvent, at least one positive electrode, and at least one negative electrode of the paste type containing an electrochemically active material which is a carbon compound suitable for inserting lithium ions and a binder, the cell being characterized in that said solvent contains at least one saturated cyclic carbonate and at least one linear ester of a saturated aliphatic monocarboxylic acid, and in that said binder is a polymer having no fluorine.