Patents by Inventor Fermin CUEVAS

Fermin CUEVAS 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).

  • Solid electrolyte for a lithium-ion electrochemical cell
    Patent number: 11670798
    Abstract: The invention relates to a compound of the formula Li7-xPS6-xXx-z(BH4)z, in which x is selected from the group comprising Cl, Br, I, F and CN, 0?x?2, 0?z?0.50. This compound can be used as a solid electrolyte of a lithium-ion electrochemical element.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: June 6, 2023
    Assignees: SAFT, UNIVERSITE PARIS-EST CRETEIL VAL DE MARNE UPEC, Center National de la Recherche Scientifique (CRNS)
    Inventors: Christian Jordy, Pedro Lopez-Aranguren, Ha Anh Dao, Michel Latroche, Junxian Zhang, Fermin Cuevas
  • SOLID ELECTROLYTE FOR A LITHIUM-ION ELECTROCHEMICAL CELL
    Publication number: 20200227776
    Abstract: The invention relates to a compound of the formula Li7?xPS6?xXx?x(BH4)x in which x is selected from the group comprising Cl, Br, I, F and CN, 0?x?2, 0?z?0.50. This compound can be used as a solid electrolyte of a lithium-ion electrochemical element.
    Type: Application
    Filed: September 20, 2018
    Publication date: July 16, 2020
    Applicants: SAFT, UNIVERSITE PARIS-EST CRETEIL VAL DE MARNE UPEC, Centre National de la Recherche Scientifique (CNRS)
    Inventors: Christian JORDY, Pedro LOPEZ-ARANGUREN, Ha Anh DAO, Michel LATROCHE, Junxian ZHANG, Fermin CUEVAS
  • NOVEL SILICON-ENRICHED COMPOSITE MATERIAL, PRODUCTION METHOD THEREOF AND USE OF SAID MATERIAL AS AN ELECTRODE
    Publication number: 20190211422
    Abstract: The present invention relates to novel composite materials enriched with silicon dispersed in matrices comprising Ni, Ti and Si and/or Sn, optionally passivated, the method for producing said materials and to the use of same as electrodes. The invention further relates to the aforementioned matrices and the synthesis thereof.
    Type: Application
    Filed: May 18, 2017
    Publication date: July 11, 2019
    Applicants: Centre National D'Etudes Spatiales, SAFT, Centre National de la recherche scientifique, Université de Montpellier
    Inventors: Christian JORDY, Florent FISCHER, Fermin CUEVAS, Alix LADAM, Laurent ALDON, Pierre-Emmanuel LIPPENS, Nicolas BIBENT, Josette OLIVER-FOURCADE, Jean-Claude JUMAS
  • Active material composition for the negative electrode of a lithium-ion accumulator
    Patent number: 8470196
    Abstract: An alloy comprising tin, silicon and carbon, and containing a crystalline M-Sn phase, M being an inert metal. An alloy comprising tin and silicon, comprising: a) a nanocrystalline phase containing at least 50 at. % of the element silicon Si°; b) a nanocrystalline phase containing a compound based on tin; c) a nanocrystalline phase constituted by the element tin Sn°. A manufacturing process for this alloy.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: June 25, 2013
    Assignees: Saft Groupe SA, Centre National de la Recherche Scientifique, Universite Paris XII Val de Marne
    Inventors: Thierry Hezeque, Fermin Cuevas, Michel Latroche, Georges Caillon, Christian Jordy, Claudette Audry
  • ACTIVE MATERIAL COMPOSITION FOR THE NEGATIVE ELECTRODE OF A LITHIUM-ION ACCUMULATOR
    Publication number: 20100270497
    Abstract: An alloy comprising tin, silicon and carbon, and containing a crystalline M-Sn phase, M being an inert metal. An alloy comprising tin and silicon, comprising: a) a nanocrystalline phase containing at least 50 at. % of the element silicon Si°; b) a nanocrystalline phase containing a compound based on tin; c) a nanocrystalline phase constituted by the element tin Sn°. A manufacturing process for this alloy.
    Type: Application
    Filed: April 9, 2010
    Publication date: October 28, 2010
    Applicants: SAFT GROUP SA, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE PARIS XII VAL DE MARNE
    Inventors: Thierry HEZEQUE, Fermin CUEVAS, Michel LATROCHE, Georges CAILLON, Christian JORDY, Claudette AUDRY