Patents by Inventor Jiwei MA

Jiwei MA 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).

  • Fluorinated oxide based on Li and Mn
    Patent number: 12139416
    Abstract: The present invention relates to the new process of preparation of a Li-rich layered oxide based on Mn and optionally on Ni and/or Co in which F is incorporated within the crystal of the oxide (or “fluorinated oxide”). It also relates to the new fluorinated oxide its use as a component in a cathode of a battery.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: November 12, 2024
    Assignees: LE CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, COLLEGE DE FRANCE, SPECIALTY OPERATIONS FRANCE
    Inventors: Jean-Marie Tarascon, Jiwei Ma, Laure Bertry, Robin Amisse, Marc-David Braida, Thierry Le Mercier, Valérie Buissette
  • FLUORINATED OXIDE BASED ON LI AND MN
    Publication number: 20210070630
    Abstract: The present invention relates to the new process of preparation of a Li-rich layered oxide based on Mn and optionally on Ni and/or Co in which F is incorporated within the crystal of the oxide (or “fluorinated oxide”). It also relates to the new fluorinated oxide its use as a component in a cathode of a battery.
    Type: Application
    Filed: April 25, 2019
    Publication date: March 11, 2021
    Inventors: Jean-Marie TARASCON, Jiwei MA, Laure BERTRY, Robin AMISSE, Marc-David BRAIDA, Thierry LE MERCIER, Valérie BUISSETTE
  • Process for preparing nanoparticles of a catalyst for cathodic reduction of dioxygen in the presence of methanol
    Patent number: 10050283
    Abstract: The invention relates to a process for preparing nanoparticles of a catalyst for cathodic reduction and which is tolerant to methanol, these nanoparticles comprising a metallic center and a submonolayer of a chalcogen.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: August 14, 2018
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S), UNIVERSITE DE POITIERS
    Inventors: Nicolas Alonso-Vante, Jiwei Ma, Aldo Gago
  • AIR TREATMENT APPARATUS
    Publication number: 20170153029
    Abstract: An air handling system comprising a base (5) and one or more air handling devices (2, 3, 4) disposed on the base (5), wherein each of the air handling devices (2, 3, 4) comprises an air inlet (431), an air outlet (432), and a power-supply structure; and the base (5) comprises an air inlet, an air outlet, an external power source, and a power-supply output structure for powering the adjacent air handling device (4).
    Type: Application
    Filed: December 8, 2014
    Publication date: June 1, 2017
    Inventors: Youning Wang, Jialan ZHUANG, Zhenxue ZHU, Yuanwei DONG, Yanshan CHEN, Liqin WU, Yundong CHEN, Jiwei MA, Weitong LIU
  • Process for Preparing Nanoparticles of a Catalyst for Cathodic Reduction of Dioxygen in the Presence of Methanol
    Publication number: 20150340708
    Abstract: The invention relates to a process for preparing nanoparticles of a catalyst for cathodic reduction and which is tolerant to methanol, these nanoparticles comprising a metallic centre and a submonolayer of a chalcogen.
    Type: Application
    Filed: June 20, 2013
    Publication date: November 26, 2015
    Inventors: Nicolas ALONSO-VANTE, Jiwei MA, Aldo GAGO