Patents by Inventor Tae Gu Yoo

Tae Gu 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).

  • Positive Electrode Active Material For Secondary Battery And Method Of Preparing The Same
    Publication number: 20190165362
    Abstract: The present invention relates to a positive electrode active material for a secondary battery, which includes a core including a lithium composite metal oxide, and a surface treatment layer which is disposed on the core and includes an amorphous oxide containing a lithium (Li) oxide, a boron (B) oxide, and an aluminum (Al) oxide, wherein an amount of a lithium by-product present on a surface of the positive electrode active material is less than 0.55 wt % based on a total weight of the positive electrode active material, and a method of preparing the same.
    Type: Application
    Filed: February 2, 2018
    Publication date: May 30, 2019
    Applicant: LG Chem, Ltd.
    Inventors: So Ra Baek, Ji Hye Kim, Tae Gu Yoo, Wang Mo Jung, Byung Chun Park