Patents by Inventor SeungByung LEE

SeungByung LEE 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).

  • Cathode active material and lithium secondary battery containing the same
    Patent number: 9246162
    Abstract: Disclosed herein is a cathode active material for secondary batteries and a secondary battery including the same, the cathode active material including lithium manganese oxide (A) having a spinel crystal structure and at least two types of lithium nickel-manganese-cobalt composite oxides (B) containing Ni, Mn, and Co as transition metals, wherein the lithium nickel-manganese-cobalt composite oxides (B) are different from each other in terms of at least one selected from the group consisting of elemental composition, particle diameter, and density.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: January 26, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Sang Kyu Choi, SeungByung Lee
  • CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY CONTAINING THE SAME
    Publication number: 20130330612
    Abstract: Disclosed herein is a cathode active material for secondary batteries and a secondary battery including the same, the cathode active material including lithium manganese oxide (A) having a spinel crystal structure and at least two types of lithium nickel-manganese-cobalt composite oxides (B) containing Ni, Mn, and Co as transition metals, wherein the lithium nickel-manganese-cobalt composite oxides (B) are different from each other in terms of at least one selected from the group consisting of elemental composition, particle diameter, and density.
    Type: Application
    Filed: August 12, 2013
    Publication date: December 12, 2013
    Applicant: LG Chem, Ltd.
    Inventors: Sang Kyu CHOI, SeungByung LEE