Patents by Inventor Valérie PRALONG

Valérie PRALONG 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 MIXED INORGANIC ELECTROLYTES
    Publication number: 20230116369
    Abstract: The present application relates to novel mixed compounds based on oxides and sulfides, and the use thereof as a solid electrolyte, with improved sulfide stability. The application further relates to electrochemical elements and lithium batteries containing such electrolytes.
    Type: Application
    Filed: March 23, 2021
    Publication date: April 13, 2023
    Applicants: SAFT, Centre national de la recherche scientifique, ECOLE NATIONALE SUPERIEURE D INGENIEURS DE CAEN, UNIVERSITE DE CAEN NORMANDIE
    Inventors: Vincent PELE, Nadège ROUMEGOUS, Christian JORDY, Valérie PRALONG
  • PROCESS OF EXTRACTION OF LITHIUM FROM A MATERIAL COMPRISING LITHIUM AND AT LEAST ANOTHER METAL
    Publication number: 20230056619
    Abstract: The present invention is in the field of the extraction of lithium from a material comprising lithium and at least another metal. In particular, the invention concerns a process of extraction of lithium at least, from a material comprising lithium and at least another metal.
    Type: Application
    Filed: January 19, 2021
    Publication date: February 23, 2023
    Inventors: Firas AYADI, Virginie NACHBAUR, Valérie PRALONG
  • Sacrificial active material of a positive electrode for a lithium-ion electrochemical element
    Patent number: 11563212
    Abstract: A sacrificial positive active material for a lithium-ion electrochemical element which is a compound of formula (Li2O)x (MnO2)y(MnO)z(MOa)t in which: x+y+z+t=1; 1?x?y?0; 0.97?x?0.6; y?0.45; x ?0.17; y?0; y+z>0; t?0; 1?a<3. M is selected from the group consisting of Fe, Co, Ni, B, Al, Ti, Si, V, Mo, Zr and a mixture thereof.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: January 24, 2023
    Assignees: SAFT, ENSICAEN, UNICAEN, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Christian Jordy, Melanie Freire, Valerie Pralong
  • SACRIFICIAL ACTIVE MATERIAL OF A POSITIVE ELECTRODE FOR A LITHIUM-ION ELECTROCHEMICAL ELEMENT
    Publication number: 20200136140
    Abstract: A sacrificial positive active material for a lithium-ion electrochemical element which is a compound of formula (Li2O)x (MnO2)y(MnO)z(MOa)t in which: x+y+z+t=1; 1?x?y?0; 0.97?x?0.6; y?0.45; x ?0.17; y?0; y+z>0; t?0; 1?a<3. M is selected from the group consisting of Fe, Co, Ni, B, Al, Ti, Si, V, Mo, Zr and a mixture thereof.
    Type: Application
    Filed: May 22, 2018
    Publication date: April 30, 2020
    Applicants: SAFT, ENSICAEN, UNICAEN, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)
    Inventors: Christian JORDY, Melanie FREIRE, Valerie PRALONG
  • Electrode material of formula LiMnCoBOand production method thereof
    Patent number: 10008721
    Abstract: The present invention relates to an electrode material of formula LiMnxCo1-xBO3, where 0<×<1, and to a method of preparing the same comprising independently preparing a manganese borate and a cobalt borate and then simultaneously thermally treating them under an inert atmosphere, in the presence of a precursor of lithium and of boric acid.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: June 26, 2018
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Barbara Le Roux, Carole Bourbon, Valérie Pralong, Jean-François Colin
  • ELECTRODE MATERIAL OF FORMULA LiMnxCo1-xBO3 AND PRODUCTION METHOD THEREOF
    Publication number: 20170294655
    Abstract: The present invention relates to an electrode material of formula LiMnxCo1-xBO3, where 0<x<1, and to a method of preparing the same comprising independently preparing a manganese borate and a cobalt borate and then simultaneously thermally treating them under an inert atmosphere, in the presence of a precursor of lithium and of boric acid.
    Type: Application
    Filed: August 24, 2015
    Publication date: October 12, 2017
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Barbara LE ROUX, Carole BOURBON, Valérie PRALONG, Jean-François COLIN