Patents by Inventor Hyeseung JUNG

Hyeseung JUNG 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: 20240136500
    Abstract: Disclosed are a method of manufacturing an electrode for a rechargeable lithium battery, and an electrode manufactured therefrom, and a rechargeable lithium battery including the electrode, the method of manufacturing an electrode for a rechargeable lithium battery including mixing together an electrode active material and a first ionic polymer to prepare a first slurry; mixing together the first slurry and a second ionic polymer to prepare a second slurry; mixing together the second slurry and a water-soluble binder to prepare an electrode active material layer slurry; coating the electrode active material layer slurry on a current collector, drying and compressing the electrode active material layer slurry to manufacture an electrode for a rechargeable lithium battery, wherein an amount of the first ionic polymer is about 20 to about 90 wt % based on a total amount of 100 wt % of the first ionic polymer and the second ionic polymer.
    Type: Application
    Filed: October 19, 2023
    Publication date: April 25, 2024
    Inventors: Keemin PARK, Hyeseung JUNG, Hoyong AN, Kyuseo LEE, Seung-Hun HAN, Soochan KIM, Chaewoong CHO, Seungcheol MYEONG, Taeseup SONG, Ungyu PAIK
  • Publication number: 20240136530
    Abstract: A method of manufacturing an electrode for a rechargeable lithium battery, an electrode manufactured therefrom, and a rechargeable lithium battery including the electrode are provided. The method includes preparing an electrode active material layer slurry including an electrode active material and a polymer binder, coating the electrode active material layer slurry on a current collector and drying it while applying an electric field to form an active material layer, wherein the polymer binder includes a water-soluble binder and an ionic polymer.
    Type: Application
    Filed: October 19, 2023
    Publication date: April 25, 2024
    Inventors: Keemin PARK, Hyeseung JUNG, Hoyong AN, Kyuseo LEE, Seung-Hun HAN, Soochan KIM, Chaewoong CHO, Seungcheol MYEONG, Taeseup SONG, Ungyu PAIK
  • Publication number: 20240055614
    Abstract: Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery. The negative electrode includes lithium titanium oxide having an aspect ratio of about 10:1 to about 2:1, a needle-type carbon-based material and a negative active material.
    Type: Application
    Filed: August 1, 2023
    Publication date: February 15, 2024
    Inventors: Hyeseung JUNG, Soochan KIM, Chaewoong CHO, Seung Cheol MYEONG, Taeseup SONG
  • Publication number: 20230178721
    Abstract: The present invention relates to a negative electrode for a lithium secondary battery and a lithium secondary battery comprising same. The negative electrode for a lithium secondary battery comprise: a current collector; and a negative electrode active material layer formed on the current collector and comprising a, negative electrode active material, lithium titanium oxide, and a conductive material, wherein 2 wt % or less of lithium titanium oxide is contained relative to 100 wt % of the negative electrode active material layer.
    Type: Application
    Filed: April 27, 2021
    Publication date: June 8, 2023
    Inventors: Hyeseung JUNG, Jaeho LEE, Soochan KIM, Chaewoong CHO
  • Publication number: 20230109733
    Abstract: Disclosed is a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the negative electrode includes a current collector and a negative active material layer on the current collector and including a negative active material and a conductive material, the negative active material including a silicon-based active material and the conductive material includes carbon nanotube, wherein the negative active material and the conductive material are included in the negative active material layer in order to satisfy a relationship of Equation 1 and Equation 2.
    Type: Application
    Filed: September 30, 2022
    Publication date: April 13, 2023
    Inventors: Jongheon SEOL, Minjae KIM, Soochan KIM, Hyeseung JUNG, Chaewoong CHO, Minyoung HONG, Junghyun NAM, Sungsoo HAN
  • Publication number: 20230109254
    Abstract: A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided herein. The negative electrode includes a current collector and a negative active material layer on the current collector, the negative active material layer including a negative active material and a conductive material, wherein the negative active material is at an angle to the current collector, the negative active material includes a silicon-based active material, the conductive material includes carbon nanotubes, and the negative electrode has an orientation ratio represented by Equation 1 of about 50 to about 100, where Equation 1 provides the following: Orientation ratio=I(110)/I(002). In Equation 1, I(110) is a peak intensity at a (110) plane for an x-ray diffraction analysis (XRD) measured by using a CuK? ray, and I(002) is a peak intensity at a (002) plane for the XRD measured by using the CuK? ray).
    Type: Application
    Filed: October 4, 2022
    Publication date: April 6, 2023
    Inventors: Minjae KIM, Jongheon SEOL, Soochan KIM, Hyeseung JUNG, Chaewoong CHO, Minyoung HONG, Junghyun NAM, Sungwoo HAN