Patents by Inventor Munju Kim

Munju Kim 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).

  • Powdered lithium transition metal oxide having doped interface layer and outer layer and method for preparation of the same
    Patent number: 7364793
    Abstract: The present invention provides a powdered lithium transition metal oxide useful as a major component for cathode active material of rechargeable lithium batteries, comprising a lithium transition metal oxide particle, a doped interface layer formed near the surface of the particle, and a thermodynamically and mechanically stable outer layer, and a method of preparing the same.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: April 29, 2008
    Assignee: LG Chem, Ltd.
    Inventors: Jens M. Paulsen, Munju Kim, Joon Sung Bae, Jaeup Jang, Hong-Kyu Park
  • Powdered lithium transition metal oxide having doped interface layer and outer layer and method for preparation of the same
    Publication number: 20060071198
    Abstract: The present invention provides a powdered lithium transition metal oxide useful as a major component for cathode active material of rechargeable lithium batteries, comprising a lithium transition metal oxide particle, a doped interface layer formed near the surface of the particle, and a thermodynamically and mechanically stable outer layer, and a method of preparing the same.
    Type: Application
    Filed: September 24, 2004
    Publication date: April 6, 2006
    Inventors: Jens Paulsen, Munju Kim, Joon Bae, Jaeup Jang, Hong-Kyu Park