Patents by Inventor Hui Kyoung Kim

Hui Kyoung 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).

  • Publication number: 20200343536
    Abstract: A lithium secondary battery includes a positive electrode including a lithium manganese-based first positive electrode active material having a spinel structure doped and coated and a lithium nickel-manganese-cobalt-based second positive active material, a negative electrode including artificial graphite having a specific surface area (BET) of 0.1-1.2 m2/g and at least one selected from the group consisting of soft carbon and natural graphite which have a greater specific surface area than the artificial graphite, a separator interposed between the positive electrode and the negative electrode, and an electrolyte.
    Type: Application
    Filed: November 6, 2018
    Publication date: October 29, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Min Won Suh, So Yeon Kim, Nan Ji Yun, Yo Jin Kim, Sae Young Oh, Hui Kyoung Kim