Patents by Inventor Margaud LECUYER

Margaud LECUYER 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 polymer electrolyte including solvating polymer, lithium salt, and PVdF-HFP copolymer and battery including same
    Patent number: 11804619
    Abstract: The invention relates to a solid polymer electrolyte for a battery comprising at least one polymer which solvates the cations of a lithium salt, at least one lithium salt and at least one specifically selected halogenated polymer, and also to the lithium batteries comprising such a solid polymer electrolyte, in particular LMP batteries.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: October 31, 2023
    Assignee: BLUE SOLUTIONS
    Inventors: Philippe Bernardo, Vincent Bodenez, Marc Deschamps, Mathieu Dru, Margaud Lecuyer
  • Use of lithium nitrate as sole lithium salt in a gelled lithium battery
    Patent number: 11799124
    Abstract: The invention relates to the use of lithium nitrate as sole lithium salt providing the ion conductivity in a gelled rechargeable lithium metal battery not comprising polysulfide ions, for improving its lifetime.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: October 24, 2023
    Assignee: BLUE SOLUTIONS
    Inventors: Marc Deschamps, Margaud Lecuyer
  • HYBRID SEPARATING MEMBRANE FOR A BATTERY
    Publication number: 20230253676
    Abstract: A hybrid separating membrane made of a composite material including a non-porous polymer matrix and particles of an ionically conductive inorganic material dispersed in the polymer matrix, to the use of such a membrane as separator in an electrical energy storage system, as well as to a system for storing electrical energy, especially an electrochemical accumulator such as a lithium or sodium secondary battery (rechargeable) comprising at least one such separating membrane.
    Type: Application
    Filed: June 23, 2021
    Publication date: August 10, 2023
    Inventors: Margaud LECUYER, Jonathan SZYMCZAK, Marc DESCHAMPS
  • COMPOSITE ELECTRODE COMPRISING A METAL AND A POLYMER MEMBRANE, MANUFACTURING METHOD AND BATTERY CONTAINING SAME
    Publication number: 20230006199
    Abstract: A composite negative electrode based on pure metallic lithium, pure metallic sodium or one of their alloys and a polymer membrane, a method for manufacturing such an electrode, as well as an electrical energy storage system, in particular an electrochemical accumulator such as a secondary (rechargeable) lithium or sodium battery comprising at least one such negative electrode. It is particularly applicable to Lithium-Metal-Polymer or LMP™ batteries.
    Type: Application
    Filed: December 22, 2020
    Publication date: January 5, 2023
    Inventors: Margaud LECUYER, Sofia PERTICARARI, Marc DESCHAMPS
  • Use of a salt mixture as an additive in a lithium-gel battery
    Patent number: 11508991
    Abstract: The invention relates to the simultaneous use of a first salt comprising a nitrate anion (NO3?) and a second salt comprising an anion other than nitrate, at least one of the first and second salts being a lithium salt, as ionic conductivity promoters in a rechargeable lithium-metal-gel battery. The invention also relates to a lithium-gel battery comprising a mixture of said first salt and said second salt, to a non-aqueous gel electrolyte comprising such mixture and to a lithium battery positive electrode comprising said mixture.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: November 22, 2022
    Assignee: BLUE SOLUTIONS
    Inventors: Marc Deschamps, Renaud Bouchet, Margaud Lecuyer, Julien Rolland
  • POLYMER ELECTROLYTE FOR A LITHIUM METAL POLYMER BATTERY HAVING IMPROVED PERFORMANCE
    Publication number: 20220029197
    Abstract: A cross-linked copolymer is provided, including at least repeating units of poly(alkylene oxide) and at least repeating units of lithium polystyrene-sulfonyl(trifluoromethylsulfonyl)imide (PSTFSILi), as well as the use of such a cross-linked copolymer for preparing a solid polymer electrolyte, a solid polymer electrolyte having the cross-linked copolymer, and a battery, for example a lithium metal polymer (LMP) battery, including the solid polymer electrolyte.
    Type: Application
    Filed: November 25, 2019
    Publication date: January 27, 2022
    Inventors: Marc DESCHAMPS, Margaud LECUYER, Renaud BOUCHET, Ekaterina PAVLENKO, Adrien LASSAGNE, Didier GIGMES, Adèle FERRAND, Phan TRANG
  • USE OF A SALT MIXTURE AS AN ADDITIVE IN A LITHIUM-GEL BATTERY
    Publication number: 20200350630
    Abstract: The invention relates to the simultaneous use of a first salt comprising a nitrate anion (NO3?) and a second salt comprising an anion other than nitrate, at least one of the first and second salts being a lithium salt, as ionic conductivity promoters in a rechargeable lithium-metal-gel battery. The invention also relates to a lithium-gel battery comprising a mixture of said first salt and said second salt, to a non-aqueous gel electrolyte comprising such mixture and to a lithium battery positive electrode comprising said mixture.
    Type: Application
    Filed: November 19, 2018
    Publication date: November 5, 2020
    Inventors: Marc DESCHAMPS, Renaud BOUCHET, Margaud LECUYER, Julien ROLLAND
  • PROCESS FOR HEAT TREATING A LITHIUM BATTERY
    Publication number: 20200328401
    Abstract: The present invention relates to a process for decreasing the internal impedance of a lithium battery chosen from lithium-metal-polymer batteries and lithium-ion polymer batteries, said process comprising at least one first step consisting in raising said battery to a temperature T1 of at least 50° C., and at least one second step in which said battery is maintained for between 5 hours and 1 week at the temperature T1 while applying a pressure of at least 0.5 bar.
    Type: Application
    Filed: June 7, 2017
    Publication date: October 15, 2020
    Applicant: Blue Solutions
    Inventors: Margaud LECUYER, Vincent BODENEZ, Philippe BERNARDO, Mathieu DRU, Marc DESCHAMPS
  • SOLID POLYMER ELECTROLYTE COMPRISING A SOLVATING POLYMER, A LITHIUM SALT AND A SELECTED HALOGENATED POLYMER AND BATTERY COMPRISING SAME
    Publication number: 20200280094
    Abstract: The invention relates to a solid polymer electrolyte for a battery comprising at least one polymer which solvates the cations of a lithium salt, at least one lithium salt and at least one specifically selected halogenated polymer, and also to the lithium batteries comprising such a solid polymer electrolyte, in particular LMP batteries.
    Type: Application
    Filed: September 17, 2018
    Publication date: September 3, 2020
    Inventors: Philippe BERNARDO, Vincent BODENEZ, Marc DESCHAMPS, Mathieu DRU, Margaud LECUYER
  • USE OF LITHIUM NITRATE AS SOLE LITHIUM SALT IN A GELLED LITHIUM BATTERY
    Publication number: 20200266480
    Abstract: The invention relates to the use of lithium nitrate as sole lithium salt providing the ion conductivity in a gelled rechargeable lithium metal battery not comprising polysulfide ions, for improving its lifetime.
    Type: Application
    Filed: November 19, 2018
    Publication date: August 20, 2020
    Inventors: Marc DESCHAMPS, Margaud LECUYER
  • Organic lithium battery
    Patent number: 10608277
    Abstract: The present invention relates to the field of organic lithium batteries having high energy and power densities. In particular, the present invention relates to an organic lithium battery comprising a positive electrode based on redox organic compounds and a porous separator made of biaxially oriented polypropylene, and to its process of manufacture.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: March 31, 2020
    Assignees: BLUE SOLUTIONS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Margaud Lecuyer, Marc Deschamps, Joël Gaubicher, Philippe Poizot, Dominique Guyomard, Bernard Lestriez
  • Organic lithium battery
    Patent number: 10586986
    Abstract: Organic lithium batteries are provided having high energy and power densities with a positive electrode based on redox organic compounds and an electrolyte having a high concentration of lithium salt.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: March 10, 2020
    Assignees: BLUE SOLUTIONS, UNIVERSITE DE NANTES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIC
    Inventors: Margaud Lecuyer, Marc Deschamps, Joël Gaubicher, Philippe Poizot, Dominique Guyomard, Bernard Lestriez
  • BIS(PYRIDINIUM)-NAPHTHALENE DIIMIDE REDOX IONIC COMPOUNDS AS ELECTRODE ACTIVE MATERIALS
    Publication number: 20200028172
    Abstract: The invention relates to the use of a bis(pyridinium)-naphthalene diimide redox ionic compound as electrode active material, notably for an aqueous electrolyte battery, to a negative electrode comprising at least said bis(pyridinium)-naphthalene diimide redox ionic compound, to a battery, notably an aqueous electrolyte battery comprising said negative electrode, and to particular bis(pyridinium)-naphthalene diimide redox ionic compounds.
    Type: Application
    Filed: March 7, 2018
    Publication date: January 23, 2020
    Inventors: Marc DESCHAMPS, Joel GAUBICHER, Dominique GUYOMARD, Philippe POIZOT, Margaud LECUYER, Sofia PERTICARARI, Fabrice ODOBEL
  • Lithium-sulfur battery
    Patent number: 10468670
    Abstract: The present invention concerns a positive electrode including a composite material including sulfur and carbon as an active material and its method of manufacture, a lithium-sulfur battery including such a positive electrode and its method of manufacture.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: November 5, 2019
    Assignees: BLUE SOLUTIONS, UNIVERSITE DE NANTES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Margaud Lecuyer, Marc Deschamps, Joël Gaubicher, Bernard Lestriez, Dominique Guyomard
  • Lithium-sulphur battery
    Patent number: 10109860
    Abstract: The present invention relates to the field of lithium-sulphur batteries having high energy and power densities. In particular the present invention relates to a lithium-sulphur battery comprising a porous separator made of biaxially oriented polypropylene and to its process of manufacture.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: October 23, 2018
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, BLUE SOLUTIONS, UNIVERSITE DE NANTES
    Inventors: Margaud Lecuyer, Marc Deschamps, Joël Gaubicher, Bernard Lestriez, Dominique Guyomard, Philippe Poizot
  • LITHIUM-SULFUR BATTERY
    Publication number: 20180175375
    Abstract: The present invention concerns a positive electrode including a composite material including sulfur and carbon as an active material and its method of manufacture, a lithium-sulfur battery including such a positive electrode and its method of manufacture.
    Type: Application
    Filed: March 9, 2015
    Publication date: June 21, 2018
    Inventors: Margaud LECUYER, Marc DESCHAMPS, Joël GAUBICHER, Bernard LESTRIEZ, Dominique GUYOMARD
  • ORGANIC LITHIUM BATTERY
    Publication number: 20170352913
    Abstract: The present invention relates to the field of organic lithium batteries having high energy and power densities. In particular, the present invention relates to an organic lithium battery comprising a positive electrode based on redox organic compounds and a porous separator made of biaxially oriented polypropylene, and to its process of manufacture.
    Type: Application
    Filed: December 8, 2015
    Publication date: December 7, 2017
    Applicants: BLUE SOLUTIONS, CENTRE NATIONAL DE LA RECHERCH SCIENTIFIQUE, UNIVERSITE DE NANATES
    Inventors: Margaud LECUYER, Marc DESCHAMPS, Joël GAUBICHER, Philippe POIZOT, Dominique GUYOMARD, Bernard LESTRIEZ
  • ORGANIC LITHIUM BATTERY
    Publication number: 20170271677
    Abstract: The present invention relates to the field of organic lithium batteries having high energy and power densities. In particular, the present invention relates to an organic lithium battery comprising a positive electrode based on redox organic compounds and an electrolyte comprising a high concentration of lithium salt, and to its process of manufacture.
    Type: Application
    Filed: November 30, 2015
    Publication date: September 21, 2017
    Inventors: Margaud LECUYER, Marc DESCHAMPS, Joël GAUBICHER, Philippe POIZOT, Dominique GUYOMARD, Bernard LESTRIEZ
  • LITHIUM-SULPHUR BATTERY
    Publication number: 20170141397
    Abstract: The present invention relates to the field of lithium-sulphur batteries having high energy and power densities. In particular the present invention relates to a lithium-sulphur battery comprising a porous separator made of biaxially oriented polypropylene and to its process of manufacture.
    Type: Application
    Filed: July 16, 2015
    Publication date: May 18, 2017
    Inventors: Margaud LECUYER, Marc DESCHAMPS, Joël GAUBICHER, Bernard LESTRIEZ, Dominique GUYOMARD, Philippe POIZOT