Patents by Inventor Dae Yong YEON

Dae Yong YEON 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).

  • SEPARATOR FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME
    Publication number: 20250062492
    Abstract: A separator for a secondary battery includes a porous substrate and an inorganic coating layer formed on one or both surfaces of the porous substrate and including an inorganic material, wherein an average particle diameter D50 of the inorganic material is 3 to 20% of a thickness of the inorganic coating layer, wherein a TMA fracture temperature of the separator is 150° C. or higher.
    Type: Application
    Filed: August 1, 2024
    Publication date: February 20, 2025
    Inventors: Jeong Han KIM, Whee Sung KIM, Dae Yong YEON, Yun Kyung JO
  • Coating composition, method for manufacturing same, and separation membrane comprising same
    Patent number: 12168721
    Abstract: An embodiment of the present invention provides a coating composition comprising a composite in which a dissociated natural polymer compound is bound onto at least a portion of the surface of acrylic polymer particles.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: December 17, 2024
    Assignees: W-SCOPE KOREA CO., LTD., W-SCOPE CHUNGJU PLANT CO., LTD.
    Inventors: Ki Woong Lee, Dae Yong Yeon, Woo Jin Kim, Kwang Ho Choi, Jae Yong Choi
  • SEPARATOR HAVING EXCELLENT WITHSTAND VOLTAGE PROPERTIES AND SECONDARY BATTERY INCLUDING THE SEPARATOR
    Publication number: 20240170802
    Abstract: A separator for a secondary battery includes a porous polymer material; and a coating layer including an inorganic material and a binder on one or both surfaces of the porous polymer material, wherein a ratio of average pore size of the separator to a maximum pore size, measured by a bubble point method, is 0.5 to 0.99, and surface roughness Rz is 2.5 or less, and the separator may have excellent withstand voltage characteristics as a thin film and may exhibit suitable evaluation characteristics in a Hi-pot test performed during a battery assembly process.
    Type: Application
    Filed: November 8, 2023
    Publication date: May 23, 2024
    Inventors: Yun Kyung JO, Jeong Han KIM, Whee Sung KIM, Dae Yong YEON
  • COATING COMPOSITION, METHOD FOR MANUFACTURING SAME, AND SEPARATOR COMPRISING SAME
    Publication number: 20210292592
    Abstract: An embodiment of the present invention provides a coating composition comprising a composite in which a dissociated natural polymer compound is bound onto at least a portion of the surface of acrylic polymer particles.
    Type: Application
    Filed: November 1, 2018
    Publication date: September 23, 2021
    Inventors: Ki Woong LEE, Dae Yong YEON, Woo Jin KIM, Kwang Ho CHOI, Jae Yong CHOI