Patents by Inventor Byung-II KANG

Byung-II KANG 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 Precursor, Method for Preparing the Same, Positive Electrode Active Material, and Method for Preparing Positive Electrode Active Material
    Publication number: 20250070149
    Abstract: A positive electrode active material precursor includes Ni and Mn and secondary particles formed by the aggregation of a plurality of primary particles. The secondary particles have a ratio of a core area to a total area of the particles ranging from 28.7% to 34.1%, and a porosity ranging from 11.3% to 11.7%. Also provided is a method for preparing the positive electrode active material precursor. Additionally, a positive electrode active material including a reaction product of the positive electrode active material precursor and a lithium raw material is provided. Also provided is a method for preparing a positive electrode active material using the positive electrode active material precursor.
    Type: Application
    Filed: August 17, 2023
    Publication date: February 27, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Byung Hyun Hwang, Nam II Kim, Hyun Jin Jung, Chan Ju Beak, Hye Youn Hwang, Hyun Ah Park, Seong Hoon Kang, Won Taek Hong, Won Tae Kim, Woo Hyun Kim, Jun Gil Kim, Ju Han Yoon, Young Su Park
  • ACRYL-BASED COPOLYMERS AND OPTICAL FILM INCLUDING THE SAME
    Publication number: 20120004372
    Abstract: The present invention relates to acryl-based copolymers including an alkyl(meth)acrylate-based monomer; a (meth)acrylate-based monomer containing an aromatic ring; and a maleimide-based monomer, a resin composition including the same, and an optical film prepared by using the same.
    Type: Application
    Filed: June 13, 2011
    Publication date: January 5, 2012
    Inventors: Byung-II KANG, Chang-Hun Han, Dae-Woo Lee, Eun-Jung Choi