Patents by Inventor Hélène Rouault

Hélène Rouault 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: 11973214
    Abstract: The present invention pertains to an electrode-forming composition, to use of said electrode-forming composition in a process for the manufacture of a composite electrode, to said composite electrode and to a secondary battery comprising said composite electrode.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: April 30, 2024
    Assignees: SYENSQO SA, Commissariat à l'Énergie Atomique et aux Énergies Aternatives
    Inventors: Olivier Pras, Helene Rouault, Julio A. Abusleme
  • Publication number: 20240079548
    Abstract: The present invention pertains to a continuous process for the manufacture of an electrode, to the electrode obtained therefrom and to an electrochemical device comprising said electrode.
    Type: Application
    Filed: December 27, 2021
    Publication date: March 7, 2024
    Applicants: Solvay SA, Commissariat A L'Energie Atomique Et Aux Energies Alternatives
    Inventors: Dominique Bascour, Marc-David Braida, Ludovic Odoni, Julio A Abusleme, Hélène Rouault, Gaëlle Besnard, Léo Merchat, Jérémie Salomon, Benjamin Amestoy
  • Patent number: 11702491
    Abstract: The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: July 18, 2023
    Assignees: Solvay SA, Commissariat à l'Énergie Atomique et aux Énergies Aternatives
    Inventors: Gaëlle Besnard, Elise Gutel, Hélène Rouault, Julio A. Abusleme, Ségolène Brusseau, Marc-David Braida, Djamel Mourzagh, Daniel Tomasi
  • Publication number: 20230101992
    Abstract: The invention relates to a separator for an electrochemical accumulator comprising a substrate provided with cavities, said substrate consisting of one or more polymers, at least one of which is a polymer from the family of polyaryletherketones, all or part of said cavities being filled in whole or in part by a gelled polymer electrolyte.
    Type: Application
    Filed: November 30, 2020
    Publication date: March 30, 2023
    Inventors: Jérémie Salomon, Benjamin Amestoy, Gaëlle Besnard, Marc-David Braida, Hélène Rouault
  • Publication number: 20230093841
    Abstract: The present invention relates to an electrochemical device comprising a) a positive electrode, b) a negative electrode, c) a separator, and d) a liquid electrolyte, wherein at least one of said positive electrode and said negative electrode is a gelled electrode comprising an electronic conductive substrate and directly adhered onto the electronic conductive substrate, at least one layer of a gelled electrode-forming composition, and wherein the d) liquid electrolyte comprises at least one organic carbonate and/or at least one ionic liquid, and at least one metal salt. The present invention also relates to a process for manufacturing an electrochemical device comprising at least one gelled electrode.
    Type: Application
    Filed: January 8, 2021
    Publication date: March 30, 2023
    Applicants: Solvay SA, COMMISSARIAT A L' ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Marc-David Braida, Dominique Bascour, Julio A. Abusleme, Hélène Rouault, Benjamin Amestoy, Gaëlle Besnard, Côme-Emmanuel Leys, Jérémie Salomon
  • Patent number: 11532823
    Abstract: The present invention pertains to a flexible electrode, to a process for the manufacture of said flexible electrode and to uses of said flexible electrode in electrochemical devices, in particular in secondary batteries.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: December 20, 2022
    Assignee: SOLVAY SA
    Inventors: Hélène Rouault, Gaëlle Besnard, Léo Merchat, Jérémie Salomon, Julio A. Abusleme, Marc-David Braida, Christine Hamon
  • Publication number: 20220376222
    Abstract: A method for manufacturing an electrode comprising a polymer matrix trapping an electrolyte, the method comprising the following steps: a) a step of preparing a composition comprising the ingredients intended to be included in the constitution of the electrode; b) a step of forming the electrode, from the composition, on a support; wherein the composition prepared in step a) is a composition in paste form having a dynamic viscosity greater than 5000. Pa·s measured at a shear gradient of 0.1 s-1 and at ambient temperature; and wherein the preparation step consists in introducing the ingredients intended to be included in the constitution of the electrode into a mixer with two co-rotating interpenetrating screws rotating in a closed sleeve, and mixing the ingredients therein, the preparation step being implemented at a temperature less than 100° C.
    Type: Application
    Filed: September 16, 2020
    Publication date: November 24, 2022
    Inventors: Jérémie Salomon, Julio Abusleme, Benjamin Amestoy, Marc-David Braida, Hélène Rouault, Dominique Bascour
  • Publication number: 20210328226
    Abstract: An accumulator with a bipolar architecture that comprises two terminal current collectors, between which a stack of n electrochemical cells is disposed, with n being an integer at least equal to 2, wherein: —each electrochemical cell comprises a positive electrode, a negative electrode and an ion conducting membrane that is interposed between the positive electrode and the negative electrode and comprises a liquid electrolyte included in the electrodes and the ion conducting membrane; —the n electrochemical cells are separated from each other by n?1 bipolar current collectors; wherein the positive electrode and the negative electrode of each electrochemical cell are gel electrodes comprising a composite material comprising a polymeric matrix made of at least one gelling polymer (FF), an active electrode material and optionally one or more electronic conductive additives, the polymeric matrix trapping the liquid electrolyte.
    Type: Application
    Filed: July 10, 2019
    Publication date: October 21, 2021
    Inventors: Djamel Mourzagh, Julio Abusleme, Gaëlle Besnard, Marc-David Braida, Elise Gutel, Hélène Rouault, Daniel Tomasi
  • Patent number: 11145893
    Abstract: The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: October 12, 2021
    Assignees: Solvay SA, Commissariat à l'Énergie Atomique et aux Énergies Aternatives
    Inventors: Christine Hamon, Julio A. Abusleme, Marc-David Braida, Hélène Rouault, Djamel Mourzagh, Gaëlle Besnard, Daniel Tomasi
  • Patent number: 11114667
    Abstract: The present invention pertains to an electrode-forming composition, to use of said electrode-forming composition in a process for the manufacture of an electrode, to said electrode and to an electrochemical device comprising said electrode. The electrode-forming composition comprises at least one partially fluorinated fluoropolymer comprising recurring units derived from at least one fluorinated monomer and at least one functional hydrogenated monomer comprising at least one carboxylic acid end group, at least one electro-active compound, at least one liquid medium comprising at least one organic carbonate or at least one ionic liquid, and at least one metal salt.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: September 7, 2021
    Assignees: Solvay SA, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Commissariat à l'Énergie Atomique et aux Énergies Alternatives
    Inventors: Olivier Pras, Hélène Rouault, Aurélie Guyomard-Lack, Jean Le Bideau, Dominique Guyomard, Bernard Lestriez, Christine Hamon, Marc-David Braida, Julio A. Abusleme
  • Patent number: 11088419
    Abstract: The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: August 10, 2021
    Assignees: Commissariat à L'énergie Atomique et aux énergies Alternatives, Solvay SA
    Inventors: Julio A. Abusleme, Marc-David Braida, Christine Hamon, Hélène Rouault, Djamel Mourzagh, Gaëlle Besnard, Daniel Tomasi
  • Patent number: 11081692
    Abstract: The present invention pertains to an electrode-forming composition, to use of said electrode-forming composition in a process for the manufacture of a composite electrode, to said composite electrode and to a secondary battery comprising said composite electrode.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: August 3, 2021
    Assignees: Solvay SA, Commissariat à 'Énergie Atomique et aux Énergies Alternatives
    Inventors: Olivier Pras, Helene Rouault, Julio A. Abusleme
  • Publication number: 20210087314
    Abstract: The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.
    Type: Application
    Filed: December 11, 2018
    Publication date: March 25, 2021
    Inventors: Gaëlle BESNARD, Elise GUTEL, Hélène ROUAULT, Julio A. ABUSLEME, Ségolène BRUSSEAU, Marc-David BRAIDA, Djamel MOURZAGH, Daniel TOMASI
  • Publication number: 20200321618
    Abstract: The present invention pertains to a flexible electrode, to a process for the manufacture of said flexible electrode and to uses of said flexible electrode in electrochemical devices, in particular in secondary batteries.
    Type: Application
    Filed: June 13, 2017
    Publication date: October 8, 2020
    Inventors: Hélène ROUAULT, Gaëlle BESNARD, Léo MERCHAT, Jérémie SALOMON, Julio A. ABUSLEME, Marc-David BRAIDA, Christine HAMON
  • Publication number: 20200303731
    Abstract: The present invention pertains to an electrode-forming composition, to use of said electrode-forming composition in a process for the manufacture of a composite electrode, to said composite electrode and to a secondary battery comprising said composite electrode.
    Type: Application
    Filed: June 4, 2020
    Publication date: September 24, 2020
    Inventors: Olivier PRAS, Helene ROUAULT, Julio A. ABUSLEME
  • Patent number: 10414890
    Abstract: The present invention pertains to a fluoropolymer hybrid organic/inorganic composite, to a process for manufacturing said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof and to uses of said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof in various applications.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: September 17, 2019
    Assignees: SOLVAY SA, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Jean-Baptiste Ducros, Aurelie Lavie-Cambot, Lionel Picard, Olivier Pras, Helene Rouault, Christine Hamon, Julio A. Abusleme
  • Publication number: 20190252657
    Abstract: The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.
    Type: Application
    Filed: June 13, 2017
    Publication date: August 15, 2019
    Inventors: Julio A. ABUSLEME, Marc-David BRAIDA, Christine HAMON, Hélène ROUAULT, Djamel MOURZAGH, Gaëlle BESNARD, Daniel TOMASI
  • Publication number: 20190190058
    Abstract: The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.
    Type: Application
    Filed: June 13, 2017
    Publication date: June 20, 2019
    Applicants: Solvay SA, Commissariat A L'Energie Atmique et aux Energies Alternatives
    Inventors: Christine HAMON, Julio A. ABUSLEME, Marc-David BRAIDA, Hélène ROUAULT, Djamel MOURZAGH, Gaëlle BESNARD, Daniel TOMASI
  • Publication number: 20180312649
    Abstract: The present invention pertains to a fluoropolymer hybrid organic/inorganic composite, to a process for manufacturing said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof and to uses of said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof in various applications.
    Type: Application
    Filed: July 5, 2018
    Publication date: November 1, 2018
    Inventors: Jean-Baptiste DUCROS, Aurelie LAVIE-CAMBOT, Lionel PICARD, Olivier PRAS, Helene ROUAULT, Christine HAMON, Julio A. ABUSLEME
  • Publication number: 20180233751
    Abstract: The present invention pertains to an electrode-forming composition, to use of said electrode-forming composition in a process for the manufacture of an electrode, to said electrode and to an electrochemical device comprising said electrode. The electrode-forming composition comprises at least one partially fluorinated fluoropolymer comprising recurring units derived from at least one fluorinated monomer and at least one functional hydrogenated monomer comprising at least one carboxylic acid end group, at least one electro-active compound, at least one liquid medium comprising at least one organic carbonate or at least one ionic liquid, and at least one metal salt.
    Type: Application
    Filed: July 22, 2016
    Publication date: August 16, 2018
    Inventors: Olivier PRAS, Hélène ROUAULT, Aurélie GUYOMARD-LACK, Jean LE BIDEAU, Dominique GUYOMARD, Bernard LESTRIEZ, Christine HAMON, Marc-David BRAIDA, Julio A. ABUSLEME