Patents by Inventor Lionel Picard

Lionel Picard 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).

  • Publication number: 20210296699
    Abstract: The present invention relates to a solid polymer electrolyte comprising: at least one comb polymer comprising a main chain formed from 1-ethenyl- and/or 1-allyl-2,3,4,5,6-pentafluorobenzene monomers, some of the monomer units of the main chain bearing polymeric side chains based on polymers that are solvents for alkali metal or alkaline-earth metal salts; said chains being grafted in the para position of the pentafluorophenyl groups; and at least one alkali metal or alkaline-earth metal salt, in particular a lithium salt. The invention also relates to a process for preparing a solid polymer electrolyte film and to the use thereof in an electrochemical system, in particular a lithium battery.
    Type: Application
    Filed: February 12, 2021
    Publication date: September 23, 2021
    Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, UNIVERSITE GRENOBLE ALPES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Lionel PICARD, Thomas CLEMENT, Patrice RANNOU
  • Publication number: 20210253760
    Abstract: The present invention relates to a comb polymer comprising a main chain formed from 1-ethenyl- and/or 1-allyl-2,3,4,5,6-pentafluorobenzene monomers and polymeric side chains grafted in the para position of the pentafluorophenyl groups, in which said polymeric side chains are linked to said main chain by an oxygen atom, the molar grafting rate of polymeric side chains being greater than or equal to 50%. It also relates to a method for the preparation of such a comb polymer.
    Type: Application
    Filed: February 12, 2021
    Publication date: August 19, 2021
    Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, UNIVERSITE GRENOBLE ALPES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Lionel PICARD, Thomas CLEMENT, Patrice RANNOU
  • Patent number: 10938067
    Abstract: The invention relates to a monophasic electrolyte medium comprising: at least one alkaline-earth or alkaline metal salt, at least one hydrocarbon solvent, and between 1 and 50 vol. %, in relation to the total volume of said medium, of a hydrocarbon solubilising agent, different from said hydrocarbon solvent, of formula (I): Z-[(A)-(X)]q-(B)—Y.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: March 2, 2021
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Adriana Iordache, Lionel Picard, Sebastien Solan
  • Publication number: 20210005928
    Abstract: A method for preparing a film of solid polymer electrolyte, including: (i) providing a composition including, in one or more solvents, at least one (co)polymer of at least one cyclic monomer selected from lactones and cyclic carbonates with five to eight ring members; the (co)polymer or (co)polymers having free terminal hydroxyl functions; at least one crosslinking agent, at least one ionic conductive salt; and optionally, in the case of a crosslinking agent bearing at least one photosensitive reactive function, at least one photoinitiator compound; (ii) forming a dry film from the composition, in conditions unfavourable to crosslinking of the (co)polymer or (co)polymers; and (iii) bringing the film into conditions favourable to crosslinking of the (co)polymer or (co)polymers to form the film of solid polymer electrolyte. Also disclosed is a film of solid polymer electrolyte and use thereof in an electrochemical system, in particular in a lithium battery.
    Type: Application
    Filed: July 2, 2020
    Publication date: January 7, 2021
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Adrien LASSAGNE, Celine Barchasz, Lionel Picard
  • Patent number: 10870730
    Abstract: A compound containing at least one species of formula (I): where: Ax? is an anion of valency x equal to 1 or 2 chosen from sulfonate, sulfonylimide of —SO2—N?—SO2CyF2y+1 type with y being an integer between 0 and 4; borate, borane, phosphate, phosphinate, phosphonate, silicate, carbonate, sulfide, selenate, nitrate and perchlorate anions; Cx+ is a counter-cation of the anion Ax?, chosen from a proton H+ and alkali metal and alkaline-earth metal cations; p is an integer ranging from 1 to 10; E is an organic spacer comprising a linear sequence of at least two covalent bonds; n is an integer greater than or equal to 2; and G represents: (a) a group or (b) a group the anion Ax? being covalently bonded to the polycyclic group Ar.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: December 22, 2020
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Melody Leclere, Lionel Picard
  • Patent number: 10833368
    Abstract: Thermotropic ionic liquid crystal molecules, comprising a so-called rigid part, a so-called flexible part bonded covalently, directly or via a spacer, to said rigid part, and one or more ionic groups bonded covalently to said rigid part. Said molecules can be used as electrolytes in an electrochemical device, in particular a lithium-ion battery.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: November 10, 2020
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Lionel Picard, Gerard Gebel, Melody Leclere, Hakima Mendil, Patrice Rannou
  • Patent number: 10756323
    Abstract: The main purpose of the invention is an assembly and electrical connection part (2) of at least two electrical energy storage cells (1), that will be included in an electric assembly module (20) of an energy storage system, characterised in that the part (2) comprises first (3a) and second (3b) means of connecting the part (2) to said at least two electrical energy storage cells (1), the first (3a) and second (3b) connection means being configured to enable the passage of connection pins (4) to assemble and electrically connect the part (2) to each of said at least two electrical energy storage cells (1).
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: August 25, 2020
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Yves Berthe De Pommery, Philippe Azais, Lionel Picard, Guillaume Turin
  • Publication number: 20200239413
    Abstract: The present invention relates to thermotropic ionic liquid crystal molecules of general formula (I) With E1 and E2, which may be identical or different, representing, independently of one another, a linear, saturated and unsubstituted C10 to C14 hydrocarbon-based radical, Ax? representing a sulfonate anion or a sulfonylimide anion of formula —SO2—N?—SO2CyF2y+1 with y being an integer ranging from 0 to 2 and Cx+ a sodium, lithium or potassium ion, most particularly advantageous for their conductivity performance qualities as an electrolyte in particular for lithium batteries.
    Type: Application
    Filed: January 24, 2020
    Publication date: July 30, 2020
    Inventors: Lionel PICARD, Laurent BERNARD, Sandrine LYONNARD, Hakima MENDIL
  • Publication number: 20200165197
    Abstract: The present invention relates to asymmetric sulfonamide compounds comprising at least: one polycyclic group, Ar, formed of two to six rings, at least one of which is aromatic, a linear or branched, saturated or unsaturated aliphatic chain, said chain possibly being interrupted by one or more heteroatoms, said group Ar and said aliphatic chain being covalently bonded via a spacer represented by a sulfonamide unit —SO2—NH— or its anionic form —SO2—N?-; and, optionally a counter-cation of the anionic form of the sulfonamide unit, chosen among the alkali metals and the proton H+. These compounds are of particular interest as single-ion conducting polymer electrolyte.
    Type: Application
    Filed: July 4, 2018
    Publication date: May 28, 2020
    Inventors: Philippe OVERTON, Lionel PICARD, Patrice RANNOU
  • Publication number: 20200106083
    Abstract: The invention relates to a process for functionalizing the electrically conductive or semi-conductive surface of an electrode by electro-grafting of a polymeric film obtained from an ionic liquid monomer, the cation of which bears at least one electro-polymerizable function. The invention is also directed toward a process for preparing a gelled electrolytic membrane at the surface of an electrode, by gelling the electro-grafted polymeric film, and also to the use of the electrode/electrolytic membrane assembly thus obtained in a lithium battery.
    Type: Application
    Filed: September 27, 2019
    Publication date: April 2, 2020
    Inventors: Camille Guerin, Gérard Gebel, Lionel Picard
  • Patent number: 10566658
    Abstract: The present invention relates to a lithium-ion battery including: a positive electrode including an active positive electrode material, and advantageously a lithium salt; an electrolyte including a lithium salt; and a negative electrode including an active negative electrode material, and advantageously a lithium salt. In this battery, the positive electrode, the negative electrode, and the electrolyte all three appear in the form of gels, and all three include a polymer and a dinitrile compound of formula N?C—R—C?N; R being a hydrocarbon group CnH2n, n being an integer between 1 and 2; the weight ratio of the dinitrile compound to the polymer being in the range from 60/40 to 90/10.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: February 18, 2020
    Assignee: Commissariat A L'Energie Atomique Et Aux Energies Alternatives
    Inventors: Sébastien Solan, Laura Boutafa, Lionel Picard, Angèle Ravachol
  • Patent number: 10559832
    Abstract: The invention primarily relates to a cell (1) for storing power, which is to be integrated in an electrical module for assembling a power storage system, having a first surface (1a; 1c) and a second surface (1b; 1d), characterised in that the cell (1) comprises at least one male element (5; 5a, 5b, 5c) on one of the first (1a; 1c) and second (1b; 1d) surfaces thereof, and at least one female element (6; 6a, 6b, 6c) on the other of the first (1a; 1c) and second (1b; 1d) surfaces thereof, which elements are shaped such as to be fitted into one another such that the cell (1) is configured such as to be assembled to another cell (1) of the same type, in that at least one male element (5; 5a, 5b, 5c) comprises at least one electrical connection interface having positive polarity (8; 8a, 8b, 8c) and in that at least one female element (6; 6a, 6b, 6c) comprises at least one electrical connection interface having negative polarity (9; 9a, 9b), or conversely such that the cell (1) is configured such as to be electrica
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: February 11, 2020
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Yves Berthe De Pommery, Philippe Azais, Lionel Picard, Guillaume Turin
  • Patent number: 10541455
    Abstract: A process for manufacturing an elementary gas electrode electrochemical cell of metal-gas type, configured to be integrated into an electrochemical assembly module of a system for storing energy and including: an electrochemical core including at least one negative electrode and at least one positive electrode, at least one negative electrode as a gas electrode and at least one positive electrode as a metal electrode or vice versa, the process including: producing the electrochemical core of the cell by winding, folding, and/or stacking a plurality of layers including at least one negative-electrode layer, one positive-electrode layer, and one electrolyte layer, and forming gas flow spaces channeling the gas to the one or more gas electrode layers.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: January 21, 2020
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Guillaume Turin, Philippe Azais, Yves Berthe De Pommery, Lionel Picard
  • Patent number: 10497973
    Abstract: The invention relates to polymer compositions that conduct lithium ions including the following ingredients: at least one ionic polymer from the polymerization of an ionic liquid, the cation of which bears at least one polymerizable function; at least one lithium salt; and at least one non-ionic polymer, the composition being a solid composition, i.e., a composition devoid of water and organic solvent(s). The invention also relates to the use of the polymer compositions for entering into the formation of electrolytic membranes of electrochemical lithium generators.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: December 3, 2019
    Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
    Inventors: Charles Gayot, Jessica Charoloy, Gérard Gebel, Sophie Mailley, Lionel Picard
  • 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
  • Patent number: 10411318
    Abstract: The present invention concerns a metal-oxygen battery containing, as the electrolyte, a monophasic electrolytic solvent medium having at least an alkali metal or alkaline earth metal supporting salt, preferably a lithium salt; a fluorocarbon solvent having an oxygen solubility at least equal to 30% v/v; 10 to 60% by volume of at least fluorinated solubilizing agent; and a carbonate solvent. The fluorinated solubilizing agent is different from the fluorocarbon solvent; is chosen from the mono-, poly- and perfluorinated, saturated, unsaturated and/or aromatic, linear, branched and/or cyclic hydrocarbon compounds; and has 4 to 18 carbon atoms with the carbon chain having at least one polar end unit and can be interrupted by one or more heteroatoms of oxygen and sulfur atoms and radicals —N(R1)-, —B(R1)- and —P(R1R2)- in which R1 and R2, identical or different, represent a hydrogen atom or a C1 to C4 alkyl radical.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: September 10, 2019
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Sebastien Solan, Lionel Picard
  • Publication number: 20190036122
    Abstract: The invention relates to an electrode for a lithium battery, comprising an electrochromic material as active material, and metal nanowires as electroconductive additive. Use of said electrode for making energy storage devices, the state of charge of which can be determined by calorimetric monitoring.
    Type: Application
    Filed: February 10, 2017
    Publication date: January 31, 2019
    Inventors: Adriana Iordache, Lionel Picard, Jonathan Skrzypski, Sébastien Solan
  • Patent number: 10193186
    Abstract: Electrolyte for a lithium-ion battery comprising at least one block copolymer, characterized in that said block copolymer comprises at least one polymeric segment A which is soluble in said electrolyte and at least one polymeric segment B having a temperature for dissolution “T” in said electrolyte, the polymeric segments A and B being present in amounts sufficient to make possible an increase in the viscosity of the electrolyte, preferably up to gelling of the electrolyte, at a temperature greater than or equal to the temperature “T”; the ionic conduction is produced by a solvent comprising the copolymer and lithium salts.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: January 29, 2019
    Assignee: COMMISARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Lionel Picard, Gilles Moreau
  • Patent number: 10170812
    Abstract: An electrochemical assembly module of a system for storing energy, including an assembly of a plurality of elementary gas-electrode electrochemical cells, the assembly including a plurality of lugs respectively associated with the plurality of elementary electrochemical cells, the lugs being connected together by a connecting holder and receiving terminals of the elementary electrochemical cells so that the terminals are all electrically connected to one another by the connecting holder, and a plurality of elements forming connecting clips each receiving at least two terminals of at least two elementary electrochemical cells so that the at least two terminals are electrically connected to each other by the element forming a connecting clip that is associated therewith.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: January 1, 2019
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Guillaume Turin, Philippe Azais, Yves Berthe De Pommery, Lionel Picard
  • 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