Patents by Inventor Mika EMA

Mika EMA 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).

  • PRECURSOR, METHOD FOR MANUFACTURING PRECURSOR, POSITIVE ELECTRODE MATERIAL, METHOD FOR MANUFACTURING POSITIVE ELECTRODE MATERIAL, AND LITHIUM-ION SECONDARY CELL
    Publication number: 20220173391
    Abstract: A precursor of a positive electrode material with which it is possible to obtain a lithium-ion secondary cell having an excellent discharge capacity and cycle characteristics, and a method for manufacturing the precursor. The precursor is a precursor of a positive electrode material used for a lithium-ion secondary cell, wherein the precursor is at least one substance selected from the group made of nickel-manganese composite hydroxides and nickel-manganese composite oxides, the precursor contains nickel and manganese, the ratio of the nickel content relative to the nickel content and the manganese content is 0.45-0.60 inclusive in molar ratio, and the average valence of manganese is below 4.0.
    Type: Application
    Filed: April 7, 2020
    Publication date: June 2, 2022
    Applicants: JFE MINERAL COMPANY, LTD., JFE STEEL CORPORATION
    Inventors: Rintaro NAGANO, Yoshiaki HAMANO, Koki TOKUMASU, Mika EMA, Mikito SUTO, Akira MATSUZAKI, Hiroyuki MASUOKA