Patents by Inventor Sylvie Herreyre

Sylvie Herreyre has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6399255
    Abstract: 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.
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: June 4, 2002
    Assignee: Alcatel
    Inventors: Sylvie Herreyre, Philippe Biensan, Françoise Perton, Sylvie Barusseau