Patents by Inventor Daechul Yoo

Daechul Yoo 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).

  • Electrode active material, lithium secondary battery containing the electrode active material, and method of preparing the electrode active material
    Patent number: 10892488
    Abstract: An electrode active material includes: a core active material having a layered structure and capable of reversibly incorporating and deincorporating lithium; a dopant including boron and a first metal element, wherein the dopant is in the core active material; and a nanostructure disposed on a surface of the core active material and including a metal borate compound including a second metal element, wherein the second metal element is the same as the first metal element.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: January 12, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Dongjin Ham, Jayhyok Song, Donghee Yeon, Jinhwan Park, Daechul Yoo
  • ELECTRODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY CONTAINING THE ELECTRODE ACTIVE MATERIAL, AND METHOD OF PREPARING THE ODE ACTIVE MATERIAL
    Publication number: 20180205084
    Abstract: An electrode active material includes: a core active material having a layered structure and capable of reversibly incorporating and deincorporating lithium; a dopant including boron and a first metal element, wherein the dopant is in the core active material; and a nanostructure disposed on a surface of the core active material and including a metal borate compound including a second metal element, wherein the second metal element is the same as the first metal element.
    Type: Application
    Filed: January 17, 2018
    Publication date: July 19, 2018
    Inventors: Dongjin Ham, Jayhyok Song, Donghee Yeon, Jinhwan Park, Daechul Yoo