Patents by Inventor Charlotte MALLET

Charlotte MALLET 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: 12230801
    Abstract: Here is described an electrode material comprising an electrochemically active metallic film and an organic compound, e.g. an indigoid compound (indigo blue or a derivative or precursor thereof). Processes for the preparation of the electrode material and electrodes containing the material, as well as to the electrochemical cells and their use are also contemplated.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: February 18, 2025
    Assignees: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Charlotte Mallet, Serge Verreault, Josée Pronovost, Sylviane Rochon, Jean-Christophe Daigle, Kamyab Amouzegar, Karim Zaghib
  • Patent number: 12215190
    Abstract: Squaric acid-based polymers and their use in electrode materials and/or electrolyte compositions, as well as their production processes are described herein. Also described are electrode materials, electrodes, electrolyte compositions, electrochemical cells, electrochemical accumulators, and optoelectronic devices comprising the polymers and their uses.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: February 4, 2025
    Assignees: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Jean-Christophe Daigle, Antoine Lafleur-Lambert, Sylviane Rochon, Yuichiro Asakawa, Charlotte Mallet, Karim Zaghib
  • Publication number: 20250023099
    Abstract: Method of improving the performance and safety of a Li-ion battery. The method includes using a nitrile-based small organic compound of general formula I, V or IX outlined in the application in association with the electrolyte of the battery. An electrolyte including a nitrile-based small organic compound. A battery including the electrolyte.
    Type: Application
    Filed: September 23, 2024
    Publication date: January 16, 2025
    Applicants: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Charlotte MALLET, Sylviane ROCHON, Karim ZAGHIB
  • Publication number: 20240363845
    Abstract: Method of improving the performance of a Li-ion battery comprising metal-based cathode material which produces M2+ metal ions. The method comprises using a small organic compound in association with the electrolyte of the battery or using a polymer compound in association with the cathode active material of the battery. The small organic compound and the polymer compound comprise at least one chemical group suitable for forming complexes with the M2+ metal ions thereby preventing dissolution thereof.
    Type: Application
    Filed: May 9, 2024
    Publication date: October 31, 2024
    Applicants: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Charlotte MALLET, Jean-Christophe DAIGLE, Sylviane ROCHON, Karim ZAGHIB
  • Publication number: 20240317690
    Abstract: Here are described compounds for use as electrode additives or as salts in electrolyte compositions, and their methods of preparation. Also described are electrochemical cells comprising the compounds as electrode additives or as salts in electrolyte compositions.
    Type: Application
    Filed: May 10, 2024
    Publication date: September 26, 2024
    Applicants: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Charlotte MALLET, Sylviane ROCHON, Antoine LAFLEUR-LAMBERT, Shinichi UESAKA, Karim ZAGHIB
  • Patent number: 12100807
    Abstract: Method of improving the performance and safety of a Li-ion battery. The method includes using a nitrile-based small organic compound of general formula I, V or IX outlined in the application in association with the electrolyte of the battery. An electrolyte including a nitrile-based small organic compound. A battery including the electrolyte.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: September 24, 2024
    Assignees: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Charlotte Mallet, Sylviane Rochon, Karim Zaghib
  • Publication number: 20240266511
    Abstract: The present technology relates to a coating material comprising at least one branched or linear unsaturated aliphatic hydrocarbon having from 10 to 50 carbon atoms and having at least one carbon-carbon double or triple bond for use in electrochemical applications, particularly in electrochemical accumulators such as all-solid-state batteries. The present technology also relates to coated particles comprising said coating material and processes of manufacturing the same. Also described are electrode materials, electrodes, electrolytes, current collector coating materials and current collectors comprising said coated particles and their use in electrochemical cells, for example, in electrochemical accumulators, particularly in all-solid-state batteries.
    Type: Application
    Filed: June 3, 2022
    Publication date: August 8, 2024
    Inventors: Benoit FLEUTOT, Emmanuelle GARITTE, Charlotte MALLET, Nicolas DELAPORTE, Marc-André GIRARD, Steve DUCHESNE
  • Patent number: 12018000
    Abstract: Here are described compounds for use as electrode additives or as salts in electrolyte compositions, and their methods of preparation. Also described are electrochemical cells comprising the compounds as electrode additives or as salts in electrolyte compositions.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: June 25, 2024
    Assignees: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Charlotte Mallet, Sylviane Rochon, Antoine Lafleur-Lambert, Shinichi Uesaka, Karim Zaghib
  • Patent number: 12015147
    Abstract: Method of improving the performance of a Li-ion battery comprising metal-based cathode material which produces M2+ metal ions. The method comprises using a small organic compound in association with the electrolyte of the battery or using a polymer compound in association with the cathode active material of the battery. The small organic compound and the polymer compound comprise at least one chemical group suitable for forming complexes with the M2+ metal ions thereby preventing dissolution thereof.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: June 18, 2024
    Assignees: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Charlotte Mallet, Jean-Christophe Daigle, Sylviane Rochon, Karim Zaghib
  • Patent number: 11643497
    Abstract: Here are described polymers comprising monomeric units from vinylimidazole derivatives and their use in electrode materials and/or electrolyte compositions, as well as their methods of preparation. Also described are electrode materials, electrodes, and electrochemical cells comprising the polymers and their use.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: May 9, 2023
    Assignees: HYDRO-QUEBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Jean-Christophe Daigle, Charlotte Mallet, Yuichiro Asakawa, Melanie Beaupre, Shinichi Uesaka, Karim Zaghib
  • Publication number: 20220069308
    Abstract: Here is described an electrode material comprising an electrochemically active metallic film and an organic compound, e.g. an indigoid compound (indigo blue or a derivative or precursor thereof). Processes for the preparation of the electrode material and electrodes containing the material, as well as to the electrochemical cells and their use are also contemplated.
    Type: Application
    Filed: August 15, 2019
    Publication date: March 3, 2022
    Applicants: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Charlotte MALLET, Serge VERREAULT, Josée PRONOVOST, Sylviane ROCHON, Jean-Christophe DAIGLE, Kamyab AMOUZEGAR, Karim ZAGHIB
  • Publication number: 20210376381
    Abstract: Method of improving the performance and safety of a Li-ion battery. The method includes using a nitrile-based small organic compound of general formula I, V or IX outlined in the application in association with the electrolyte of the battery. An electrolyte including a nitrile-based small organic compound. A battery including the electrolyte.
    Type: Application
    Filed: October 3, 2019
    Publication date: December 2, 2021
    Applicants: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Charlotte MALLET, Sylviane ROCHON, Karim ZAGHIB
  • Publication number: 20210305555
    Abstract: Method of improving the performance of a Li-ion battery comprising metal-based cathode material which produces M2+ metal ions. The method comprises using a small organic compound in association with the electrolyte of the battery or using a polymer compound in association with the cathode active material of the battery. The small organic compound and the polymer compound comprise at least one chemical group suitable for forming complexes with the M2+ metal ions thereby preventing dissolution thereof.
    Type: Application
    Filed: August 13, 2019
    Publication date: September 30, 2021
    Applicants: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Charlotte MALLET, Jean-Christophe DAIGLE, Sylviane ROCHON, Karim ZAGHIB
  • Patent number: 11114668
    Abstract: This application describes an electrode material comprising an indigoid compound, i.e. indigo blue or a derivative thereof, for instance, together with particles of an electrochemically active material dispersed in a binder. Processes for the preparation of the electrode material and electrodes containing the material, as well as to the electrochemical cells and their use are also contemplated.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: September 7, 2021
    Assignees: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Charlotte Mallet, Sylviane Rochon, Jean-Christophe Daigle, Narumi Arai, Shinichi Uesaka, Karim Zaghib
  • Publication number: 20210147604
    Abstract: Here are described polymers comprising monomeric units from vinylimidazole derivatives and their use in electrode materials and/or electrolyte compositions, as well as their methods of preparation. Also described are electrode materials, electrodes, and electrochemical cells comprising the polymers and their use.
    Type: Application
    Filed: July 6, 2018
    Publication date: May 20, 2021
    Applicants: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Jean-Christophe DAIGLE, Charlotte MALLET, Yuichiro ASAKAWA, Melanie BEAUPRE, Shinichi UESAKA, Karim ZAGHIB
  • Publication number: 20210032403
    Abstract: Squaric acid-based polymers and their use in electrode materials and/or electrolyte compositions, as well as their production processes are described herein. Also described are electrode materials, electrodes, electrolyte compositions, electrochemical cells, electrochemical accumulators, and optoelectronic devices comprising the polymers and their uses.
    Type: Application
    Filed: April 30, 2019
    Publication date: February 4, 2021
    Applicants: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Jean-Christophe DAIGLE, Antoine LAFLEUR-LAMBERT, Sylviane ROCHON, Yuichiro ASAKAWA, Charlotte MALLET, Karim ZAGHIB
  • Publication number: 20200087262
    Abstract: Here are described compounds for use as electrode additives or as salts in electrolyte compositions, and their methods of preparation. Also described are electrochemical cells comprising the compounds as electrode additives or as salts in electrolyte compositions.
    Type: Application
    Filed: March 27, 2018
    Publication date: March 19, 2020
    Applicants: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Charlotte MALLET, Sylviane ROCHON, Antoine LAFLEUR-LAMBERT, Shinichi UESAKA, Karim ZAGHIB
  • Publication number: 20200052302
    Abstract: This application describes an electrode material comprising an indigoid compound, i.e. indigo blue or a derivative thereof, for instance, together with particles of an electrochemically active material dispersed in a binder. Processes for the preparation of the electrode material and electrodes containing the material, as well as to the electrochemical cells and their use are also contemplated.
    Type: Application
    Filed: February 15, 2018
    Publication date: February 13, 2020
    Applicants: HYDRO-QUÉBEC, MURATA MANUFACTURING CO., LTD.
    Inventors: Charlotte MALLET, Sylviane ROCHON, Jean-Christophe DAIGLE, Narumi ARAI, Shinichi UESAKA, Karim ZAGHIB