Patents by Inventor Jean-François COLIN

Jean-François COLIN 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: 11784304
    Abstract: Positive electrode material for a lithium battery comprises a lithiated metal layered oxide comprising metal elements arranged in layers of metal cations and lithium arranged in interlayers of lithium cations and, in part, in the layers of metal cations, the oxide has a stack arrangement 02 and corresponds to the formula (I): Li(a+b)NicMndCoeMfOg (I) wherein: *a represents the proportion of lithium in the interlayers, 0<a<1; *b represents the proportion of lithium in the layers of metal cations, 0<b<?; *c, d, e and f are between 0 and 1 and b+c+d+e+f=I; *1.9<g<2.1; *when f?0, M is one or more of Al, Fe, Ti, Cr, V, Cu, Mg, Zn, Na, K, Ca, Sc; wherein the oxide is coated with an oxide of the formula (II): MnhM?iO2 (M) wherein: *0<h?1.5, preferably h=1; *M? is one or more of Ni, Al, Fe, Ti, Cr, V, Cu, Mg, Zn, Na, K, Ca, Sc; *0?i?1.5.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: October 10, 2023
    Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
    Inventors: David Peralta, Carole Bourbon, Jean-François Colin
  • Patent number: 11618076
    Abstract: A process for synthesizing a material, includes: (a) providing a plurality of powders including at least one lithiated powder including lithium, at least one TM powder including, for more than 95.0% of its mass, a transition metal chosen from titanium; cobalt, manganese, nickel, niobium, tin, iron and mixtures thereof, and at least one chalcogen powder including, for more than 95.0% of its mass, a chalcogen element chosen from sulfur, selenium, tellurium and mixtures thereof, (b) preparing a particulate mixture by mixing all the powders of the plurality or by mixing one of the powders of the plurality with a milled material obtained by; milling a particulate assembly formed by mixing at least two of the other powders of the plurality, and (c) milling the particulate fixture to form the material.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: April 4, 2023
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Yagmur Celasun, Jean-Francois Colin, Sebastien Martinet, David Peralta
  • Patent number: 11535524
    Abstract: A material of formula LiaTib(AxS3-x)c wherein A is a metalloid element chosen from selenium, tellurium and mixtures thereof, and the stoichiometric coefficients a, b, c and x are such that 0<x<2.2; 0.4?a?4.5; 0.9?b?1.1; and 0.9?c?1.1.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: December 27, 2022
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Yagmur Celasun, Jean-Francois Colin, Sebastien Martinet, David Peralta
  • Publication number: 20220102720
    Abstract: A method for preparing a positive electrode active material for a lithium battery consisting of a lithiated oxide comprising titanium and optionally one or more other metal elements comprising the following successive steps: a) a step of forming a precipitate comprising titanium and the optional other metal element(s) by contacting a titanium coordination complex and, if necessary, at least one salt of the other metal element(s) with an aqueous medium; b) a step of recovering the precipitate thus formed; c) a step of calcining the precipitate in the presence of a lithium source.
    Type: Application
    Filed: September 29, 2021
    Publication date: March 31, 2022
    Inventors: David Peralta, Carole Bourbon, Jean-François Colin, Nathalie Herlin-Boime
  • Patent number: 11056691
    Abstract: The present invention relates to an electrochemically active Si-carbon composite particulate material, wherein silicon nanoparticles are entrapped in a carbon matrix material based on at least micronic graphite particles, reduced graphene platelets and amorphous carbon.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: July 6, 2021
    Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, UMICORE
    Inventors: Jean-Sebastien Bridel, Tim Van Rompaey, Vincent Caldeira, Agnes Brun, Jean-Francois Colin, Cedric Haon
  • Patent number: 10644313
    Abstract: An electrode material of formula Li2+xNiuTivNbwO4 where: 0<x<0.3, u>0 and w>0, x+u+v+w=2, x+2u+4v+5w=6, the electrode material having a crystal structure of disordered NaCl type. A cathode having this material as an electronically active material and also the lithium-ion battery containing this cathode are also contemplated.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: May 5, 2020
    Assignee: Commissariat a l'Energie Atomique et aux Energies
    Inventors: Jean-François Colin, Carole Bourbon, Quentin Jacquet
  • Publication number: 20200086389
    Abstract: Process for synthesizing a material, the process including the steps consisting in: a) providing a plurality of powders including: at least one powder including lithium, at least one powder including, for more than 95.0% of its mass, a transition metal chosen from titanium, cobalt, manganese, nickel, niobium, tin, iron and mixtures thereof, and at least one powder including, for more than 95.0% of its mass, a chalcogen element chosen from sulfur, selenium, tellurium and mixtures thereof, b) preparing a particulate mixture by mixing all the powders of the plurality or by mixing one of the powders of the plurality with a milled material obtained by milling a particulate assembly formed by mixing at least two of the other powders of the plurality, and ?milling the particulate mixture to form the material.
    Type: Application
    Filed: September 19, 2019
    Publication date: March 19, 2020
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Yagmur CELASUN, Jean-Francois COLIN, Sebastien MARTINET, David PERALTA
  • Publication number: 20200087159
    Abstract: A material of formula LiaTib(AxS3-x)c wherein A is a metalloid element chosen from selenium, tellurium and mixtures thereof, and the stoichiometric coefficients a, b, c and x are such that 0<x<2.2; 0.4?a?4.5; 0.9?b?1.1; and 0.9?c?1.1.
    Type: Application
    Filed: September 19, 2019
    Publication date: March 19, 2020
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Yagmur CELASUN, Jean-Francois COLIN, Sebastien MARTINET, David PERALTA
  • Publication number: 20190372112
    Abstract: Positive electrode material for a lithium battery comprises a lithiated metal layered oxide comprising metal elements arranged in layers of metal cations and lithium arranged in interlayers of lithium cations and, in part, in the layers of metal cations, the oxide has a stack arrangement 02 and corresponds to the formula (I): Li(a+b)NicMndCoeMfOg (I) wherein: *a represents the proportion of lithium in the interlayers, 0<a<1; *b represents the proportion of lithium in the layers of metal cations, 0<b<?; *c, d, e and f are between 0 and 1 and b+c+d+e+f=I; *1.9<g<2.1; *when f?0, M is one or more of Al, Fe, Ti, Cr, V, Cu, Mg, Zn, Na, K, Ca, Sc; wherein the oxide is coated with an oxide of the formula (II): MnhM?iO2 (M) wherein: *0<h?1.5, preferably h=1; *M? is one or more of Ni, Al, Fe, Ti, Cr, V, Cu, Mg, Zn, Na, K, Ca, Sc; *0?i?1.5.
    Type: Application
    Filed: January 18, 2018
    Publication date: December 5, 2019
    Inventors: David Peralta, Carole Bourbon, Jean-François Colin
  • Publication number: 20180331359
    Abstract: The present invention concerns an electrode material of formula Li2+xNiuTivNbwO4 wherein: 0<x<0.3, u>0 and w>0, x+u+v+w=2, x+2u+4v+5w=6, the electrode material having a crystal structure of disordered NaCl type. The present invention also concerns the cathode having this material as an electronically active material, and also the lithium-ion battery containing this cathode.
    Type: Application
    Filed: November 29, 2016
    Publication date: November 15, 2018
    Inventors: Jean-François COLIN, Carole BOURBON, Quentin JACQUET
  • Publication number: 20180241037
    Abstract: The present invention relates to an electrochemically active Si-carbon composite particulate material, wherein silicon nanoparticles are entrapped in a carbon matrix material based on at least micronic graphite particles, reduced graphene platelets and amorphous carbon.
    Type: Application
    Filed: July 19, 2016
    Publication date: August 23, 2018
    Inventors: Jean-Sebastien BRIDEL, Tim VAN ROMPAEY, Vincent CALDEIRA, Agnes BRUN, Jean-Francois COLIN, Cedric HAON
  • 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
  • Publication number: 20170301918
    Abstract: The present invention relates to an electrode material of formula LiFe1-xCoxBO3, where 0<x<1, and to a method of preparing the same comprising independently preparing an iron 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 19, 2017
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Barbara LE ROUX, Carole BOURBON, Jean-François COLIN
  • 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
  • Patent number: 9698417
    Abstract: A lithium-free mixed titanium and niobium oxide, including at least one trivalent metal M, and having a molar ratio Nb/Ti greater than 2, said oxide being selected from the group including the material of formula (I) and the material of formula (II): MxTi1?2xNb2+xO7±???(I) where 0<x?0.20; ?0.3???0.3; MxTi2?2xNb10+xO29±???(II) where 0<x?0.40; ?0.3???0.3.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: July 4, 2017
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Lucienne Buannic, Jean-François Colin, Marlène Rey
  • Patent number: 9559357
    Abstract: A method of preparing a titanium and niobium mixed oxide including the steps of: preparing a titanium and niobium mixed oxide in amorphous form by a solvothermal treatment of at least one titanium precursor and of at least one niobium precursor, mechanically crushing the titanium and niobium mixed oxide obtained at the end of the solvothermal treatment and calcinating the mixed oxide obtained after crushing.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: January 31, 2017
    Assignee: Commissariat A L'Energie Atomique Et Aux Energies Alternatives
    Inventors: Lucienne Buannic, Jean-François Colin, Lise Daniel
  • Publication number: 20150364757
    Abstract: A lithium-free mixed titanium and niobium oxide, including at least one trivalent metal M, and having a molar ratio Nb/Ti greater than 2, said oxide being selected from the group including the material of formula (I) and the material of formula (II): MxTi1?2xNb2+xO7±???(I) where 0<x?0.20; ?0.3???0.3; MxTi2?2xNb10+xO29±???(II) where 0<x?0.40; ?0.3???0.3.
    Type: Application
    Filed: January 16, 2014
    Publication date: December 17, 2015
    Inventors: Lucienne Buannic, Jean-François Colin, Marlène Rey
  • Publication number: 20150221939
    Abstract: A method of preparing a titanium and niobium mixed oxide including the steps of: preparing a titanium and niobium mixed oxide in amorphous form by a solvothermal treatment of at least one titanium precursor and of at least one niobium precursor, mechanically crushing the titanium and niobium mixed oxide obtained at the end of the solvothermal treatment and calcinating the mixed oxide obtained after crushing.
    Type: Application
    Filed: March 24, 2015
    Publication date: August 6, 2015
    Inventors: Lucienne BUANNIC, Jean-François COLIN, Lise DANIEL