Patents Assigned to Phostech Lithium Inc.
  • Publication number: 20130095390
    Abstract: A material C-AxM(XO4)y that is of particles of a compound of the formula AxM(XO4)y, wherein said particles include a carbon deposit deposited by means of pyrolysis on at least a portion of the surface thereof, and where: A is Li alone or partially replaced by at most 10 atomic % of Na or K; M is Fe(II), or Mn(II), or mixtures thereof alone or partially replaced by at most 30 atomic % of one or more metals selected from Mn, Ni and Co and/or at most 5% of Fe(III); XO4 is PO4 alone or partially replaced by at most 10 molar % of at least one group selected from SO4, SiO4 and MoO4; and where said material has a calcium impurity content of lower than about 1000 ppm.
    Type: Application
    Filed: December 4, 2012
    Publication date: April 18, 2013
    Applicant: PHOSTECH LITHIUM INC.
    Inventor: PHOSTECH LITHIUM INC.
  • Publication number: 20130011739
    Abstract: A process for preparing an at least partially lithiated transition metal oxyanion-based lithium-ion reversible electrode material, which includes providing a precursor of said lithium-ion reversible electrode material, heating said precursor, melting same at a temperature sufficient to produce a melt including an oxyanion containing liquid phase, cooling said melt under conditions to induce solidification thereof and obtain a solid electrode that is capable of reversible lithium ion deinsertion/insertion cycles for use in a lithium battery. Also, lithiated or partially lithiated oxyanion-based-lithium-ion reversible electrode materials obtained by the aforesaid process.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 10, 2013
    Applicants: UNIVERSITÉ DE MONTREAL, PHOSTECH LITHIUM INC., CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: LAURENT GAUTHIER, Michel Gauthier, Donald Lavoie, Christophe Michot, Nathalie Ravet
  • Publication number: 20120328774
    Abstract: The present invention relates to the field of electrode materials, and more specifically, to a carbon-deposited alkali metal oxyanion electrode material as well as to a process for preparing same. More particularly, the process for preparing the carbon-deposited alkali metal oxyanion electrode material comprises a dry milling step of precursors of the alkali metal oxyanion electrode material at an energy sufficient to cause the precursors to agglomerate into strong agglomerates, and a heating step comprising pyrolysis of an organic source to obtain the carbon-deposited alkali metal oxyanion electrode material.
    Type: Application
    Filed: June 22, 2012
    Publication date: December 27, 2012
    Applicant: PHOSTECH LITHIUM INC.
    Inventors: Guoxian Liang, Christophe Michot, Jasmin Dufour
  • Patent number: 8273481
    Abstract: A process for preparing an at least partially lithiated transition metal oxyanion-based lithium-ion reversible electrode material, which includes providing a precursor of said lithium-ion reversible electrode material, heating said precursor, melting same at a temperature sufficient to produce a melt including an oxyanion containing liquid phase, cooling said melt under conditions to induce solidification thereof and obtain a solid electrode that is capable of reversible lithium ion deinsertion/insertion cycles for use in a lithium battery. Also, lithiated or partially lithiated oxyanion-based-lithium-ion reversible electrode materials obtained by the aforesaid process.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: September 25, 2012
    Assignees: Universitéde Montréal, Centre National de la Recherche Scientifique, Phostech Lithium Inc.
    Inventors: Laurent Gauthier, Michel Gauthier, Donald Lavoie, Christophe Michot, Nathalie Ravet
  • Publication number: 20120232285
    Abstract: The invention relates to triazole salts, to their preparation and to applications thereof. The salts have at least one anionic triazolium group which carries at least one chlorosulphonyl, fluorosulphonyl or alkoxyfluorosulphonyl group, each of the anionic groups being combined with a proton or a cation that has a valency of less than or equal to 4. The salts are useful as synthesis reagents, as chemical-reaction or polymerization catalysts, and as ion-conducting materials for electrochemical generators, supercapacitors and electrochromic devices.
    Type: Application
    Filed: May 23, 2012
    Publication date: September 13, 2012
    Applicants: Universite De Montreal, Phostech Lithium Inc.
    Inventor: Christophe MICHOT
  • Publication number: 20120138867
    Abstract: The present invention relates to a process for the synthesis of a carbon-deposited alkali metal oxyanion cathode material comprising particles, wherein said particles carry, on at least a portion of the particle surface, carbon deposited by pyrolysis, said process comprising a dry high-energy milling step performed on precursors of said carbon-deposited alkali metal oxyanion prior to a solid-state thermal reaction.
    Type: Application
    Filed: November 11, 2011
    Publication date: June 7, 2012
    Applicant: PHOSTECH LITHIUM INC.
    Inventors: Guoxian LIANG, Jasmin Dufour, Michael Holzapfel, Christophe Michot
  • Publication number: 20120136136
    Abstract: A process to induce polymerization of an organic electronically conductive polymer in the presence of a partially delithiated alkali metal phosphate which acts as the polymerization initiator.
    Type: Application
    Filed: June 1, 2010
    Publication date: May 31, 2012
    Applicants: UNIVERSITE DU QUEBEC A MONTREAL, PHOSTECH LITHIUM INC
    Inventors: Steen Brian Schougaard, Michel Gauthier, Christian Kuss, David Lepage, Guoxian Liang, Christophe Michot
  • Patent number: 8133618
    Abstract: A process for preparing an at least partially lithiated transition metal oxyanion-based lithium-ion reversible electrode material, which includes providing a precursor of said lithium-ion reversible electrode material, heating said precursor, melting same at a temperature sufficient to produce a melt including an oxyanion containing liquid phase, cooling said melt under conditions to induce solidification thereof and obtain a solid electrode that is capable of reversible lithium ion deinsertion/insertion cycles for use in a lithium battery. Also, lithiated or partially lithiated oxyanion-based-lithium-ion reversible electrode materials obtained by the aforesaid process.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: March 13, 2012
    Assignees: Universite de Montreal, Centre National de la Recherche Scientifique, Phostech Lithium Inc.
    Inventors: Laurent Gauthier, Michel Gauthier, Donald Lavoie, Christophe Michot, Nathalie Ravet
  • Publication number: 20120028121
    Abstract: A process for preparing an at least partially lithiated transition metal oxyanion-based lithium-ion reversible electrode material, which includes providing a precursor of said lithium-ion reversible electrode material, heating said precursor, melting same at a temperature sufficient to produce a melt including an oxyanion containing liquid phase, cooling said melt under conditions to induce solidification thereof and obtain a solid electrode that is capable of reversible lithium ion deinsertion/insertion cycles for use in a lithium battery. Also, lithiated or partially lithiated oxyanion-based-lithium-ion reversible electrode materials obtained by the aforesaid process.
    Type: Application
    Filed: August 25, 2011
    Publication date: February 2, 2012
    Applicants: UNIVERSITE DE MONTREAL, PHOSTECH LITHIUM INC., CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Laurent GAUTHIER, Michel Gauthier, Donald Lavoie, Christophe Michot, Nathalie Ravet
  • Publication number: 20120025149
    Abstract: A process for preparing a formulation comprising a carbon-deposited lithium metal phosphate, as precursor of a lithium ion battery electrode coating slurry.
    Type: Application
    Filed: July 15, 2011
    Publication date: February 2, 2012
    Applicant: PHOSTECH LITHIUM INC.
    Inventors: Guoxian LIANG, Jasmin DUFOUR
  • Patent number: 8048565
    Abstract: A process for preparing an at least partially lithiated transition metal oxyanion-based lithium?ion reversible electrode material, which includes providing a precursor of said lithium-ion reversible electrode material, heating said precursor, melting same at a temperature sufficient to produce a melt including an oxyanion containing liquid phase, cooling said melt under conditions to induce solidification thereof and obtain a solid electrode that is capable of reversible lithium ion deinsertion/insertion cycles for use in a lithium battery. Also, lithiated or partially lithiated oxyanion-based-lithium-ion reversible electrode materials obtained by the aforesaid process.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: November 1, 2011
    Assignees: Universite de Montreal, Centre National de la Recherche Scientifique, Phostech Lithium Inc.
    Inventors: Laurent Gauthier, Michel Gauthier, Donald Lavoie, Christophe Michot, Nathalie Ravet
  • Publication number: 20110210293
    Abstract: Process for improving the electrochemical performance of an alkali metal oxyanion electrode material having a pyrolitic carbon deposit thereon, comprising a heat treatment under a humidified atmosphere where the heat treatment is performed at a temperature in the range of about 300° C. to about 950° C.
    Type: Application
    Filed: December 17, 2010
    Publication date: September 1, 2011
    Applicant: Phostech Lithium Inc.
    Inventors: Guoxian Liang, Jasmin Dufour, Michel Gauthier, Nathalie Ravet, Denis Geoffroy
  • Publication number: 20110178306
    Abstract: The invention relates to triazole salts, to their preparation and to applications thereof. The salts have at least one anionic triazolium group which carries at least one chlorosulphonyl, fluorosulphonyl or alkoxyfluorosulphonyl group, each of the anionic groups being combined with a proton or a cation that has a valency of less than or equal to 4. The salts are useful as synthesis reagents, as chemical-reaction or polymerization catalysts, and as ion-conducting materials for electrochemical generators, supercapacitors and electrochromic devices.
    Type: Application
    Filed: April 4, 2011
    Publication date: July 21, 2011
    Applicants: Phostech Lithium Inc., Universite De Montreal
    Inventor: Christophe MICHOT
  • Patent number: 7919629
    Abstract: The invention relates to triazole salts, to their preparation and to applications thereof. The salts have at least one anionic triazolium group which carries at least one chlorosulphonyl, fluorosulphonyl or alkoxyfluorosulphonyl group, each of the anionic groups being combined with a proton or a cation that has a valency of less than or equal to 4. The salts are useful as synthesis reagents, as chemical-reaction or polymerization catalysts, and as ion-conducting materials for electrochemical generators, supercapacitors and electrochromic devices.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: April 5, 2011
    Assignees: Phostech Lithium Inc., Universite de Montreal
    Inventor: Christophe Michot
  • Publication number: 20110062380
    Abstract: A process for preparing an at least partially lithiated transition metal oxyanion-based lithium?ion reversible electrode material, which includes providing a precursor of said lithium?ion reversible electrode material, heating said precursor, melting same at a temperature sufficient to produce a melt including an oxyanion containing liquid phase, cooling said melt under conditions to induce solidification thereof and obtain a solid electrode that is capable of reversible lithium ion deinsertion/insertion cycles for use in a lithium battery. Also, lithiated or partially lithiated oxyanion-based-lithium?ion reversible electrode materials obtained by the aforesaid process.
    Type: Application
    Filed: November 23, 2010
    Publication date: March 17, 2011
    Applicants: UNIVERSITE DE MONTREAL, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, PHOSTECH LITHIUM INC.
    Inventors: Laurent Gauthier, Michel Gauthier, Donald Lavoie, Christophe Michot, Nathalie Ravet
  • Publication number: 20100327223
    Abstract: The invention is related to a cathode material comprising particles having a lithium metal phosphate core and a pyrolytic carbon deposit, said particles having a synthetic multimodal particle size distribution comprising at least one fraction of micron size particles and one fraction of submicron size particles, said lithium metal phosphate having formula LiMPO4 wherein M is at least Fe or Mn. Said material is prepared by method comprising the steps of providing starting micron sized particles and starting submicron sized particles of at least one lithium metal phosphate or of precursors of a lithium metal phosphate; mixing by mechanical means said starting particles; making a pyrolytic carbon deposit on the lithium metal phosphate starting particles before or after the mixing step, and on their metal precursor before or after mixing the particles; optionally adding carbon black, graphite powder or fibers to the said lithium metal phosphate particles before the mechanical mixing.
    Type: Application
    Filed: June 30, 2010
    Publication date: December 30, 2010
    Applicant: Phostech Lithium Inc.
    Inventors: Karim ZAGHIB, Patrick Charest, Abdelbast Guerfi, Guoxian Liang
  • Publication number: 20090305132
    Abstract: The invention relates to an electrode material and a composite electrode including same. The electrode material consists of particles or particulate aggregates of a complex LiiMmM?m?ZzOoNnFf oxide, wherein M is at least one transition metal, M? is at least one metal other than a transition metal, Z is at least one non-metal, coefficients i, m, m?, z, o, n and f are selected in such a way that the complex oxide is electrically neutral, with i=0, m>0, z=0, m?=0, o>0, n=0 and f=0. At least part of the complex oxide particle or particulate aggregate surface is coated with a carbon layer bound by chemical bonds and/or physical bonds to the carbon. The complex oxide has formula; the carbon has covalently bonded functional groups GF.
    Type: Application
    Filed: May 5, 2006
    Publication date: December 10, 2009
    Applicant: PHOSTECH LITHIUM INC.
    Inventors: Michel Gauthier, Christophe Michot
  • Publication number: 20090292105
    Abstract: The invention relates to triazole salts, to their preparation and to applications thereof. The salts have at least one anionic triazolium group which carries at least one chlorosulphonyl, fluorosulphonyl or alkoxyfluorosulphonyl group, each of the anionic groups being combined with a proton or a cation that has a valency of less than or equal to 4. The salts are useful as synthesis reagents, as chemical-reaction or polymerization catalysts, and as ion-conducting materials for electrochemical generators, supercapacitors and electrochromic devices.
    Type: Application
    Filed: December 12, 2006
    Publication date: November 26, 2009
    Applicant: Phostech Lithium Inc.
    Inventor: Chirstophe Michot
  • Publication number: 20090189114
    Abstract: A process for preparing an at least partially lithiated transition metal oxyanion-based lithium-ion reversible electrode material, which includes providing a precursor of said lithium-ion reversible electrode material, heating said precursor, melting same at a temperature sufficient to produce a melt including an oxyanion containing liquid phase, cooling said melt under conditions to induce solidification thereof and obtain a solid electrode that is capable of reversible lithium ion deinsertion/insertion cycles for use in a lithium battery. Also, lithiated or partially lithiated oxyanion-based-lithium-ion reversible electrode materials obtained by the aforesaid process.
    Type: Application
    Filed: April 3, 2009
    Publication date: July 30, 2009
    Applicants: UNIVERSITE DE MONTREAL, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, PHOSTECH LITHIUM INC.
    Inventors: Laurent GAUTHIER, Michel GAUTHIER, Donald LAVOIE, Christophe MICHOT, Nathalie RAVET
  • Patent number: 7534408
    Abstract: The invention relates to a process for preparing an at least partially lithiated transition metal oxyanion-based lithium-ion reversible electrode material, which comprises providing a precursor of said lithium-ion reversible electrode material, heating said precursor, melting same at a temperature sufficient to produce a melt comprising an oxyanion containing liquid phase, cooling said melt under conditions to induce solidification thereof and obtain a solid electrode that is capable of reversible lithium ion deinsertion/insertion cycles for use in a lithium battery. The invention also relates to lithiated or partially lithiated oxyanion-based-lithium-ion reversible electrode materials obtained by the aforesaid process.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: May 19, 2009
    Assignees: Universite de Montreal, Centre National de la Recherche Scientifique, Phostech Lithium Inc.
    Inventors: Laurent Gauthier, Michel Gauthier, Donald Lavoie, Christophe Michot, Nathalie Ravet