Patents by Inventor Elisabeth Dupuis

Elisabeth Dupuis 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: 11699781
    Abstract: A method of preparing an electrochemical electrode which is partially or totally covered with a film that is obtained by spreading an aqueous solution comprising a water-soluble binder over the electrode and subsequently drying same. The production cost of the electrodes thus obtained is reduced and the surface porosity thereof is associated with desirable resistance values.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: July 11, 2023
    Assignee: HYDRO-QUÉBEC
    Inventors: Karim Zaghib, Michel Armand, Abdelbast Guerfi, Michel Perrier, Elisabeth Dupuis, Patrick Charest
  • Publication number: 20210098771
    Abstract: A method of preparing an electrochemical electrode which is partially or totally covered with a film that is obtained by spreading an aqueous solution comprising a water-soluble binder over the electrode and subsequently drying same. The production cost of the electrodes thus obtained is reduced and the surface porosity thereof is associated with desirable resistance values.
    Type: Application
    Filed: December 10, 2020
    Publication date: April 1, 2021
    Applicant: HYDRO-QUÉBEC
    Inventors: Karim ZAGHIB, Michel ARMAND, Abdelbast GUERFI, Michel PERRIER, Elisabeth DUPUIS, Patrick CHAREST
  • Patent number: 10923704
    Abstract: A method of preparing an electrochemical electrode which is partially or totally covered with a film that is obtained by spreading an aqueous solution comprising a water-soluble binder over the electrode and subsequently drying same. The production cost of the electrodes thus obtained is reduced and the surface porosity thereof is associated with desirable resistance values.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: February 16, 2021
    Assignee: HYDRO-QUÉBEC
    Inventors: Karim Zaghib, Michel Armand, Abdelbast Guerfi, Michel Perrier, Elisabeth Dupuis, Patrick Charest
  • Patent number: 10879521
    Abstract: A method of preparing an electrochemical electrode which is partially or totally covered with a film that is obtained by spreading an aqueous solution comprising a water-soluble binder over the electrode and subsequently drying same. The production cost of the electrodes thus obtained is reduced and the surface porosity thereof is associated with desirable resistance values.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: December 29, 2020
    Assignee: HYDRO-QUEBEC
    Inventors: Karim Zaghib, Michel Armand, Abdelbast Guerfi, Michel Perrier, Elisabeth Dupuis, Patrick Charest
  • Publication number: 20170271648
    Abstract: A method of preparing an electrochemical electrode which is partially or totally covered with a film that is obtained by spreading an aqueous solution comprising a water-soluble binder over the electrode and subsequently drying same. The production cost of the electrodes thus obtained is reduced and the surface porosity thereof is associated with desirable resistance values.
    Type: Application
    Filed: June 1, 2017
    Publication date: September 21, 2017
    Applicant: HYDRO-QUÉBEC
    Inventors: Karim ZAGHIB, Michel ARMAND, Abdelbast GUERFI, Michel PERRIER, Elisabeth DUPUIS, Patrick CHAREST
  • Publication number: 20170187029
    Abstract: A method of preparing an electrochemical electrode which is partially or totally covered with a film that is obtained by spreading an aqueous solution comprising a water-soluble binder over the electrode and subsequently drying same. The production cost of the electrodes thus obtained is reduced and the surface porosity thereof is associated with desirable resistance values.
    Type: Application
    Filed: March 10, 2017
    Publication date: June 29, 2017
    Applicant: HYDRO-QUÉBEC
    Inventors: Karim ZAGHIB, Michel ARMAND, Abdelbast GUERFI, Michel PERRIER, Elisabeth DUPUIS, Patrick CHAREST
  • Patent number: 9692040
    Abstract: A method of preparing an electrochemical electrode which is partially or totally covered with a film that is obtained by spreading an aqueous solution comprising a water-soluble binder over the electrode and subsequently drying same. The production cost of the electrodes thus obtained is reduced and the surface porosity thereof is associated with desirable resistance values.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: June 27, 2017
    Assignee: HYDRO-QUEBEC
    Inventors: Karim Zaghib, Michel Armand, Abdelbast Guerfi, Michel Perrier, Elisabeth Dupuis, Patrick Charest
  • Publication number: 20160156017
    Abstract: A method of preparing an electrochemical electrode which is partially or totally covered with a film that is obtained by spreading an aqueous solution comprising a water-soluble binder over the electrode and subsequently drying same. The production cost of the electrodes thus obtained is reduced and the surface porosity thereof is associated with desirable resistance values.
    Type: Application
    Filed: February 3, 2016
    Publication date: June 2, 2016
    Applicant: HYDRO-QUEBEC
    Inventors: Karim ZAGHIB, Michel ARMAND, Abdelbast GUERFI, Michel PERRIER, Elisabeth DUPUIS, Patrick CHAREST
  • Patent number: 9293769
    Abstract: The invention relates to a method of preparing an electrochemical electrode which is partially or totally covered with a film that is obtained by spreading an aqueous solution comprising a water-soluble binder over the electrode and subsequently drying same. The production cost of the electrodes thus obtained is reduced and the surface porosity thereof is associated with desirable resistance values.
    Type: Grant
    Filed: November 13, 2003
    Date of Patent: March 22, 2016
    Assignee: HYDRO-QUEBEC
    Inventors: Karim Zaghib, Michel Armand, Abdelbast Guerfi, Michel Perrier, Elisabeth Dupuis, Patrick Charest
  • Patent number: 8318355
    Abstract: A composite of particles comprising a high crystallinity carbon and a low crystallinity carbon, wherein the low crystallinity carbon exhibits an average lattice constant d=(002) of 0.350 nm or more and a crystallite size L=(002) in the diffraction of C axis of 25 nm or less, as characterized by wide-angle X ray diffraction measurements, the high crystallinity carbon exhibits an average lattice constant d=(002) of 0.338 nm or less and a crystallinity size L=(002) in the diffraction of C axis of 40 nm or more, as characterized by wide-angle X-ray diffraction measurements, the high crystallinity carbon having at least 50% of its external surface embedded within or surrounded by a matrix of low crystallinity carbon.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: November 27, 2012
    Assignee: Hydro-Quebec
    Inventors: Hossein Maleki, Robert J. Selman, Abdelbast Guerfi, Elisabeth Dupuis, Karim Zaghib
  • Patent number: 7897674
    Abstract: Polymer electrolyte for an electrochemical generator based on at least a four branched polymer, at least a poly(vinylyldienefluoride), a poly(vinyldiene fluoro-co-hexafluoropropene copolymer), a poly(tetrafluoroethylene), a poly(ethylene-co-propylene-co-5-methylene-2-norbornene) or an ethylene propylene-diene copolymer, a polyol, a poly(methylmethacrylate, a poly(acrylonitrile), SiO2Al2O3, or nano TiO2 non coated or coated with an organic material. This electrolyte allows to prepare electrolytic compositions that can be used in high performance electrochemical devices.
    Type: Grant
    Filed: January 15, 2003
    Date of Patent: March 1, 2011
    Assignee: Hydro-Quebec
    Inventors: Karim Zaghib, Michel Perrier, Abdelbast Guerfi, Elisabeth Dupuis, Patrick Charest, Francois Allaire, Michel Armand
  • Publication number: 20060166093
    Abstract: The invention relates to a method of preparing an electrochemical electrode which is partially or totally covered with a film that is obtained by spreading an aqueous solution comprising a water-soluble binder over the electrode and subsequently drying same. The production cost of the electrodes thus obtained is reduced and the surface porosity thereof is associated with desirable resistance values.
    Type: Application
    Filed: November 13, 2003
    Publication date: July 27, 2006
    Applicant: Hydro-Quebec
    Inventors: Karim Zaghib, Michel Armand, Abdelbast Guerfi, Michel Perrier, Elisabeth Dupuis, Patrick Charest
  • Publication number: 20050234177
    Abstract: Polymer electrolyte for an electrochemical generator based on at least a four branched polymer, at least a poly(vinylyldienefluoride), a poly(vinyldiene fluoro-co-hexafluoropropene copolymer), a poly(tetrafluoroethylene), a poly(ethylene-co-propylene-co-5-methylene-2-norbornene) or an ethylene propylene-diene copolymer, a polyol, a poly(methylmethacrylate, a poly(acrylonitrile), SiO2Al2O3, or nano TiO2 non coated or coated with an organic material. This electrolyte allows to prepare electrolytic compositions that can be used in high performance electrochemical devices.
    Type: Application
    Filed: January 15, 2003
    Publication date: October 20, 2005
    Inventors: Karim Zaghib, Michel Perrier, Abdelbast Guerfi, Elisabeth Dupuis, Patrick Charest, Francois Allaire, Michel Armand
  • Publication number: 20050203240
    Abstract: A composite of particles of Carbon#I-Cmlrbon#2, wherein Carbon#1 means a low cristallinity cmbon and Cro#means a high ctistallinity carbon and the use of these particles in electrochernca systems, in spoxi equipments, in foundry industry
    Type: Application
    Filed: December 6, 2002
    Publication date: September 15, 2005
    Applicant: HYDRO-QUEBEC
    Inventors: Hossein Maleki, Robert Selman, Abdelbast Guerfi, Elisabeth Dupuis, Karim Zaghib
  • Patent number: 6451487
    Abstract: The present invention concerns a composite electrode for an electrochemical cell, an electrochemical cell comprising the composite electrode, a process for preparing the composite electrode, and a process for the preparation of a half-cell comprising a porous mineral composite-porous mineral separator sub-network.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: September 17, 2002
    Assignee: Hydro-Quebec
    Inventors: Simon Besner, Michel Armand, Jean-François Magnan, André Bélanger, Michel Gauthier, Elisabeth Dupuis