Patents by Inventor Sathiya MARIYAPPAN

Sathiya MARIYAPPAN 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).

  • LAYERED ACTIVE MATERIAL FOR NA-ION BATTERIES
    Publication number: 20220263085
    Abstract: A compound of formula I: NaxNi0.5-yZnyMn0.5-zTizO2 (I), wherein x is a number ranging from 0.7 and 1.1, y is a number superior to 0 and up to 0.1, and z is a number between 0 and 0.5, batteries incorporating the compound and its use in particular as an positive electrode material for Na-ion batteries and cells and a process to obtain such a compound.
    Type: Application
    Filed: June 23, 2020
    Publication date: August 18, 2022
    Inventors: Jean-Marie TARASCON, Sathiya MARIYAPPAN, Thomas MARCHANDIER
  • POSITIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM-ION BATTERY
    Publication number: 20220013772
    Abstract: A positive electrode active material for a sodium-ion battery has the following formula: NaxNi0.5-yCuyMn0.5-zTizO2, in which: -x varies from 0.9 to 1; -y varies from 0.05 to 0.1; -z varies from 0.1 to 0.3. When z is equal to 0.1 and x is equal to 1, then y is not equal to 0.05.
    Type: Application
    Filed: October 10, 2019
    Publication date: January 13, 2022
    Applicants: RENAULT s.a.s., CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), COLLEGE DE FRANCE, SORBONNE UNIVERSITE
    Inventors: Mohamed CHAKIR, Sathiya MARIYAPPAN, Jean-Marie TARASCON, Qing WANG