Patents by Inventor Christian Masquelier

Christian Masquelier 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: 20180297847
    Abstract: A method for preparing a Na3V2(PO4)2F3 material, including at least the steps: a) reducing the vanadium oxide, V2O5, under a reducing atmosphere in the absence of elementary carbon and in the presence of at least one phosphate anion precursor in order to form vanadium phosphate, VPO4; and b) exposing, under an inert atmosphere, a mixture of the VPO4 material obtained in step a) with an effective amount of sodium fluoride, NaF, and at least one hydrocarbon- and oxygen-containing compound which is a source of elementary carbon, to temperature conditions that are favourable for calcining said mixture so as to form said Na3V2(PO4)2F3 compound. Also, a related electrode material, an electrode and a secondary sodium battery using the presented material.
    Type: Application
    Filed: October 13, 2016
    Publication date: October 18, 2018
    Inventors: Nikita HALL, Sylvain BOULINEAU, Laurence CROGUENNEC, Sébastien LAUNOIS, Christian MASQUELIER, Loïc SIMONIN
  • Patent number: 9954227
    Abstract: The present invention relates to lithium secondary batteries and more specifically to positive electrode materials operating at potentials greater than 2.8 V vs. Li+/Li in nonaqueous electrochemical cells. In particular, the invention relates to crystalline nanometric carbon-free olivine-type LiFePO4 powders with enhanced electrochemical properties. A direct precipitation process is described for preparing crystalline LiFePO4powder, comprising the steps of: —providing a water-based mixture having at a pH between 6 and 10, containing a water-miscible boiling point elevation additive, and Li(I), Fe(II) and P(V) as precursor components; —heating said water-based mixture to a temperature less than or equal to its boiling point at atmospheric pressure, thereby precipitating crystalline LiFePO4 powder. An extremely fine 50 to 200 nm particle size is obtained, with a narrow distribution. The fine particle size accounts for excellent high-drain properties without applying any carbon coating.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: April 24, 2018
    Assignee: Umicore
    Inventors: Charles Delacourt, Philippe Poizot, Christian Masquelier
  • Publication number: 20160254530
    Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO4)3? as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
    Type: Application
    Filed: May 9, 2016
    Publication date: September 1, 2016
    Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Patent number: 9362562
    Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO4)3? as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: June 7, 2016
    Assignee: HYDRO-QUEBEC
    Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Publication number: 20160093889
    Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO4)3? as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
    Type: Application
    Filed: December 2, 2015
    Publication date: March 31, 2016
    Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Patent number: 9051184
    Abstract: The invention relates to crystalline nanometric olivine-type LiFe1-xMxPO4 powder with M being Co and/or Mn, and 0?x?1, with small particle size and narrow particle size distribution. A direct precipitation process is described, comprising the steps of: providing a water-based mixture having at a pH between 6 and 10, containing a dipolar aprotic additive, and Li(I), Fe(II), P(V), and Co(II) and/or Mn(II) as precursor components; heating said water-based mixture to a temperature less than or equal to its boiling point at atmospheric pressure, thereby precipitating crystalline LiFe1-xMxPO4 powder. An extremely fine particle size is obtained of about 80 nm for Mn and 275 nm for Co, both with a narrow distribution.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: June 9, 2015
    Assignees: Umicore, Centre National de la Recherche Scientifique
    Inventors: Stéphane Levasseur, Michèle Van Thournout, Pierre Gibot, Christian Masquelier
  • Publication number: 20140308192
    Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO4)3? as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
    Type: Application
    Filed: June 24, 2014
    Publication date: October 16, 2014
    Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Patent number: 8785043
    Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO4)3? as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: July 22, 2014
    Assignee: Hydro-Quebec
    Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Publication number: 20140113188
    Abstract: The invention relates to active materials for the manufacture of Li-based batteries. A crystalline nanometric powdered material with formula Lix(M, M?)PO4, in particular LixFePO4 (0?x?1), is disclosed, exhibiting single phase Li insertion/extraction mechanism at room temperature when used as positive electrode material in Li-based batteries. Compared to current LiFePO4, the novel material results in smooth, sloping charge/discharge voltage curves, greatly simplifying the monitoring of the state of charge of the batteries. The coexistence of mixed valence states for Fe (i.e. FeIIIVFeII) is believed to increase the electronic conductivity in the room temperature single phase LixFePO4 material, compared to state of the art two-phase materials. This, together with the nanometric size of the particles and their sharp monomodal size distribution, contributes to the exceptional high-rate capability demonstrated in batteries.
    Type: Application
    Filed: December 23, 2013
    Publication date: April 24, 2014
    Inventors: Pierre GIBOT, Christian MASQUELIER, Jean-Marie TARASCON, Stephane LEVASSEUR, Philippe CARLACH
  • Patent number: 8641921
    Abstract: The invention relates to active materials for the manufacture of Li-based batteries. A crystalline nanometric powdered material with formula Lix(M, M?)PO4, in particular LixFePO4 (O?x?1), is disclosed, exhibiting single phase Li insertion/extraction mechanism at room temperature when used as positive electrode material in Li-based batteries. Compared to current LiFePO4, the novel material results in smooth, sloping charge/discharge voltage curve greatly simplifying the monitoring of the state of charge of the batteries. The coexistence of mixed valence states for Fe (i.e. FeIIIVFeII) is believed to increase the electronic conductivity in the room temperature single phase LixFePO4 material, compared to state of the art two-phase materials. This, together with the nanometric size of the particles and their sharp monomodal size distribution, contributes to the exceptional high-rate capability demonstrated in batteries.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: February 4, 2014
    Assignees: Umicore, Centre National de la Recherche Scientifique
    Inventors: Pierre Gibot, Christian Masquelier, Jean-Marie Tarascon, Stephane Levasseur, Philippe Carlach
  • Publication number: 20130029223
    Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO4)3? as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
    Type: Application
    Filed: October 4, 2012
    Publication date: January 31, 2013
    Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Patent number: 8282691
    Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO4)3? as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: October 9, 2012
    Assignee: Hydro-Quebec
    Inventors: John B. Goodenough, Akshaya K. Padhi, Kirakoda S. Nanjundaswamy, Christian Masquelier
  • Patent number: 8236453
    Abstract: The invention provides a new route for the synthesis of carbon-coated powders having the olivine or NASICON structure, which form promising classes of active products for the manufacture of rechargeable lithium batteries. Carbon-coating of the powder particles is necessary to achieve good performances because of the rather poor electronic conductivity of said structures. For the preparation of coated LiFePO4, sources of Li, Fe and phosphate are dissolved in an aqueous solution together with a polycarboxylic acid and a polyhydric alcohol. Upon water evaporation, polyesterification occurs while a mixed precipitate is formed containing Li, Fe and phosphate. The resin-encapsulated mixture is then heat treated at 700° C. in a reducing atmosphere. This results in the production of a fine powder consisting of an olivine LiFePO4, phase, coated with conductive carbon.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: August 7, 2012
    Assignees: Umicore, Le Centre National de la Recherche Scientifique
    Inventors: Albane Audemer, Calin Wurm, Mathieu Morcrette, Sylvain Gwizdala, Christian Masquelier
  • Publication number: 20120085975
    Abstract: The invention relates to crystalline nanometric olivine-type LiFe1-xMxPO4 powder with M being Co and/or Mn, and 0?x?1, with small particle size and narrow particle size distribution. A direct precipitation process is described, comprising the steps of: providing a water-based mixture having at a pH between 6 and 10, containing a dipolar aprotic additive, and Li(I), Fe(II), P(V), and Co(II) and/or Mn(II) as precursor components; heating said water-based mixture to a temperature less than or equal to its boiling point at atmospheric pressure, thereby precipitating crystalline LiFe1-xMxPO4 powder. An extremely fine particle size is obtained of about 80 nm for Mn and 275 nm for Co, both with a narrow distribution.
    Type: Application
    Filed: October 6, 2011
    Publication date: April 12, 2012
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UMICORE
    Inventors: Stephane LEVASSEUR, Michèle VAN THOURNOUT, Pierre GIBOT, Christian MASQUELIER
  • Publication number: 20120039784
    Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO4)3? as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
    Type: Application
    Filed: October 7, 2011
    Publication date: February 16, 2012
    Inventors: John B. Goodenough, Akshaya K. Padhi, Kirakoda S. Nanjundaswamy, Christian Masquelier
  • Patent number: 8105508
    Abstract: The present invention relates to crystalline nanometric olivine-type LiFe1-xMnxPO4 powder with 0<x<1, with small particle size and narrow particle size distribution. The fine particle size is believed to account for excellent high-drain properties, while minimizing the need for conductive additives. The narrow distribution facilitates the electrode manufacturing process and ensures a homogeneous current distribution within the battery.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: January 31, 2012
    Assignees: Umicore, Centre National de la Recherche Scientifique
    Inventors: Stéphane Levasseur, Michèle Van Thournout, Pierre Gibot, Christian Masquelier
  • Patent number: 8067117
    Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO4)3 as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: November 29, 2011
    Assignee: Hydro-Québec
    Inventors: John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Patent number: 8066916
    Abstract: The present invention relates to lithium secondary batteries and more specifically to positive electrode materials operating at potentials greater than 2.8 V vs. Li+/Li in non-aqueous electrochemical cells. In particular, the invention relates to crystalline nanometric olivine-type LiFe1-xMxPO4 powder with M is Co and/or Mn, and 0<x<1, with small particle size and narrow particle size distribution. A direct precipitation process is described, comprising the steps of:—providing a water-based mixture having at a pH between 6 and 10, containing a dipolar aprotic additive, and Li(I), Fe(II), P(V), and Co(II) and/or Mn(II) as precursor components;—heating said water-based mixture to a temperature less than or equal to its boiling point at atmospheric pressure, thereby precipitating crystalline LiFe1-xMxPO4 powder. An extremely fine particle size is obtained of about 80 nm for Mn and 275 nm for Co, both with a narrow distribution.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: November 29, 2011
    Assignees: Umicore, Centre National de la Recherche Scientifique
    Inventors: Stephane Levasseur, Michèle Van Thournout, Pierre Gibot, Christian Masquelier
  • Publication number: 20110212365
    Abstract: The invention provides a new route for the synthesis of carbon-coated powders having the olivine or NASICON structure, which form promising classes of active products for the manufacture of rechargeable lithium batteries. Carbon-coating of the powder particles is necessary to achieve good performances because of the rather poor electronic conductivity of said structures. For the preparation of coated LiFePO4, sources of Li, Fe and phosphate are dissolved in an aqueous solution together with a polycarboxylic acid and a polyhydric alcohol. Upon water evaporation, polyesterification occurs while a mixed precipitate is formed containing Li, Fe and phosphate. The resin-encapsulated mixture is then heat treated at 700° C. in a reducing atmosphere. This results in the production of a fine powder consisting of an olivine LiFePO4 phase, coated with conductive carbon.
    Type: Application
    Filed: March 8, 2011
    Publication date: September 1, 2011
    Applicants: UMICORE, LE CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Albane AUDEMER, Calin WURM, Mathieu MORCRETTE, Sylvain GWIZDALA, Christian MASQUELIER
  • Patent number: 7998617
    Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivineor the rhombohedral NASICON structure and the polyanion (PO4)3? as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: August 16, 2011
    Assignee: Hydro-Québec
    Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier