Patents by Inventor Cecile Teissier

Cecile Teissier 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).

  • Lithium battery operating at very low temperature
    Patent number: 7722985
    Abstract: A subject of the invention is a mixture of solvents for the electrolyte of a lithium battery, which mixture of solvents comprises with respect to the volume of said mixture, 50 to 95% by volume of a linear ester of a C2 to C8 saturated acid, and 5 to 50% by volume of a C3 to C6 saturated cyclic carbonate and a C3 to C6 saturated linear carbonate, only one of the two carbonates being substituted by at least one halogen atom. The invention is also aimed at a lithium battery comprising a liquid electrolyte having this composition. The battery according to the invention is able to operate at temperatures which can range up to approximately ?60° C. A subject of the invention is also the use of a battery according to the invention at temperatures which can range up to ?60° C.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: May 25, 2010
    Assignee: SAFT
    Inventors: Clemence Siret, Cecile Teissier, Frederic Castaing, Philippe Biensan
  • Lithium battery operating at very low temperature
    Publication number: 20060154116
    Abstract: A subject of the invention is a mixture of solvents for the electrolyte of a lithium battery, which mixture of solvents comprises with respect to the volume of said mixture, 50 to 95% by volume of a linear ester of a C2 to C8 saturated acid, and 5 to 50% by volume of a C3 to C6 saturated cyclic carbonate and a C3 to C6 saturated linear carbonate, only one of the two carbonates being substituted by at least one halogen atom. The invention is also aimed at a lithium battery comprising a liquid electrolyte having this composition. The battery according to the invention is able to operate at temperatures which can range up to approximately ?60° C. A subject of the invention is also the use of a battery according to the invention at temperatures which can range up to ?60° C.
    Type: Application
    Filed: December 2, 2005
    Publication date: July 13, 2006
    Applicant: SAFT
    Inventors: Clemence Siret, Cecile Teissier, Frederic Castaing, Philippe Biensan