Patents by Inventor Jonathan Szymczak

Jonathan Szymczak 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).

  • HYBRID SEPARATING MEMBRANE FOR A BATTERY
    Publication number: 20230253676
    Abstract: A hybrid separating membrane made of a composite material including a non-porous polymer matrix and particles of an ionically conductive inorganic material dispersed in the polymer matrix, to the use of such a membrane as separator in an electrical energy storage system, as well as to a system for storing electrical energy, especially an electrochemical accumulator such as a lithium or sodium secondary battery (rechargeable) comprising at least one such separating membrane.
    Type: Application
    Filed: June 23, 2021
    Publication date: August 10, 2023
    Inventors: Margaud LECUYER, Jonathan SZYMCZAK, Marc DESCHAMPS
  • Ionic liquid-based electrolytes for use in electrochemical storage devices
    Patent number: 11335954
    Abstract: Electrolytes comprising at least one lithium salt and at least two ionic liquids, at least one of which is an ionic liquid resulting from the association of at least one cation complying with the following formula (I): In which: R1 is an acyclic hydrocarbon group; n is an integer ranging from 0 to 3; m is an integer ranging from 1 to 4; and at least one Y anion.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: May 17, 2022
    Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
    Inventors: Stéphane Cadra, Jonathan Szymczak, Matthieu Le Digabel, Agnès Biller
  • NOVEL IONIC LIQUIDS RESULTING FROM THE ASSOCIATION OF A SPECIFIC CATION AND A SPECIFIC ANION
    Publication number: 20200079733
    Abstract: Ionic liquids comprising the association of a cation have the following formula (I), in which —R1 is an acyclic hydrocarbonated group, n is a whole number between 0 and 3, and m is a whole number between 1 and 4, and an anion selected from a nitrate anion, a phosphate anion or an imidide anion.
    Type: Application
    Filed: March 21, 2018
    Publication date: March 12, 2020
    Inventors: Stéphane Cadra, Jonathan Szymczak, Matthieu Le Digabel, Agnès Biller
  • NEW IONIC LIQUID-BASED ELECTROLYTES FOR USE IN ELECTROCHEMICAL STORAGE DEVICES
    Publication number: 20200020984
    Abstract: Electrolytes comprising at least one lithium salt and at least two ionic liquids, at least one of which is an ionic liquid resulting from the association of at least one cation complying with the following formula (I): In which: R1 is an acyclic hydrocarbon group; n is an integer ranging from 0 to 3; m is an integer ranging from 1 to 4; and at least one Y anion.
    Type: Application
    Filed: March 21, 2018
    Publication date: January 16, 2020
    Inventors: Stéphane Cadra, Jonathan Szymczak, Matthieu Le Digabel, Agnès Biller