Patents by Inventor Shan Hua JIN

Shan Hua JIN 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: 20250219101
    Abstract: One embodiment of the present disclosure provides a copper foil including a copper film including 99.9 wt % or more of copper, and a protective layer disposed on the copper film, wherein the copper foil has a first moisture absorption rate of 0.1% or less. The first moisture absorption rate is expressed by Equation 1 below, first moisture absorption rate=(weight after 24-hour immersion-weight before immersion)/(weight after 24-hour immersion)×100??[Equation 1] wherein the immersion in Equation 1 refers to immersing a specimen in water at room temperature for 24 hours.
    Type: Application
    Filed: December 17, 2024
    Publication date: July 3, 2025
    Inventor: Shan Hua JIN
  • Publication number: 20250219100
    Abstract: One embodiment of the present disclosure provides a copper foil including a copper film having a matte surface and a shiny surface, and a protective layer disposed on the copper film, wherein the copper film includes copper and non-copper elements, and the non-copper elements include carbon (C), nitrogen (N), and oxygen (O).
    Type: Application
    Filed: December 17, 2024
    Publication date: July 3, 2025
    Inventor: Shan Hua JIN
  • Publication number: 20250219098
    Abstract: One embodiment of the present disclosure provides a copper foil including a copper film including a matte surface and a shiny surface, wherein a hydrogen vacancy density at a depth of 30 nm to 45 nm from the matte surface ranges from 80 to 250 counts, a hydrogen vacancy density at a depth of 30 nm to 45 nm from the shiny surface ranges from 3 to 20 counts. The hydrogen vacancy density refers to the number of hydrogen ions measured at a certain sputter depth from each of the matte surface and the shiny surface using time of flight-secondary ion mass spectrometry (TOF-SIMS).
    Type: Application
    Filed: December 17, 2024
    Publication date: July 3, 2025
    Inventor: Shan Hua JIN
  • Publication number: 20250219102
    Abstract: One embodiment of the present disclosure provides a copper foil including a copper film including 99.9 wt % or more of copper, and a protective layer disposed on the copper film, wherein the copper foil has a room-temperature thermal deformation index ranging from 15 to 50. The room-temperature thermal deformation index is expressed by Equation 1 below, room - temperature ? thermal ? deformation ? index = ( room - ? temperature ? thermal ? expansion ? coefficient ? ( ppm / ° ? C . ) + ? room - temperature ? elongation ? ( % ) ) / surface ? area ? ratio .
    Type: Application
    Filed: December 17, 2024
    Publication date: July 3, 2025
    Inventor: Shan Hua JIN
  • Patent number: 12281394
    Abstract: Provided in one embodiment of the present disclosure is a copper foil, which comprises a copper layer having a matte surface and a shiny surface, and an anticorrosive film arranged on the copper layer, and has a residual stress of 0.5-25 MPa on the basis of the absolute value thereof, wherein the copper layer comprises copper and carbon (C), the amount of carbon (C) in the copper layer is 2-20 ppm, the copper layer has a plane (111), a plane (200), a plane (220) and a plane (311) including crystalline particles, the ratio of the diffraction intensity of the plane (220) to the sum of the diffraction intensities of the plane (111), the plane (200), the plane (220) and the plane (311) is 10-40%, and the crystalline particles of the plane (220) have an average particle size of 70-120 nm at room temperature.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: April 22, 2025
    Assignee: SK NEXILIS CO., LTD.
    Inventors: Shan Hua Jin, An Na Lee, Seung Min Kim
  • Publication number: 20240222640
    Abstract: According to one embodiment of the present disclosure, there is provided a copper foil including a copper film including 99.9 wt % or more of copper, wherein the copper foil has a first weight retention rate of 0.1% or less, and a second weight retention rate of 0.3% or less.
    Type: Application
    Filed: December 21, 2023
    Publication date: July 4, 2024
    Inventors: Shan Hua JIN, Min Seok YOON
  • Publication number: 20240213493
    Abstract: According to one embodiment of the present disclosure, there is provided a copper foil including a copper film including 99.9 wt % or more of copper, wherein the copper film has an A-value in a range of 1.1 to 1.6. “A” is calculated by Equation 1 below, A = P / Q [ Equation ? 1 ] wherein “P” in Equation 1 is a peak intensity at 1650 cm?1 of the copper film, “Q” in Equation 1 is a peak intensity at 1460 cm?1 of the copper film, and the peak intensity is measured by Fourier-transform infrared spectroscopy (FT-IR).
    Type: Application
    Filed: December 18, 2023
    Publication date: June 27, 2024
    Inventors: Shan Hua JIN, Min Seok YOON
  • Publication number: 20240213492
    Abstract: According to one embodiment of the present disclosure, there is provided a copper foil including a copper film including 99.9 wt % or more of copper, wherein the copper foil has a room temperature MIT 1 of 280 or more, a high-temperature MIT 1 of 130 or more, a room temperature MIT 2 of 14 or more, and a high-temperature MIT 2 of 25 or more. The room temperature MIT 1 refers to an MIT number when a bending radius (R) is 0.38 mm at room temperature, the high-temperature MIT 1 refers to an MIT number when a bending radius (R) is 0.38 mm after heat treatment at 190° C. for one hour, the room temperature MIT 2 refers to an MIT number when a bending radius (R) is 0.1 mm at room temperature, and the high-temperature MIT 2 refers to an MIT number when a bending radius (R) is 0.1 mm after heat treatment at 190° C. for one hour.
    Type: Application
    Filed: December 18, 2023
    Publication date: June 27, 2024
    Inventors: Shan Hua JIN, Min Seok YOON
  • Publication number: 20240213490
    Abstract: According to one embodiment of the present disclosure, there is provided a copper foil including a copper film including 99.9 wt % or more of copper, wherein the copper foil has a first stress factor in a range of 2.8 to 3.2, a second stress factor in a range of 2.5 to 3.0, and a third stress factor in a range of 3.5 to 4.5, and a method for manufacturing the copper foil.
    Type: Application
    Filed: December 21, 2023
    Publication date: June 27, 2024
    Inventors: Shan Hua JIN, Min Seok YOON
  • Publication number: 20240204167
    Abstract: According to one embodiment of the present disclosure, there is provided a copper foil including a copper film including 99.9 wt % or more of copper, wherein the copper film has a room temperature loss factor of 0.05 or less, wherein the room temperature loss factor is calculated by Equation 1 below, room temperature loss factor=room temperature loss modulus/room temperature storage modulus.
    Type: Application
    Filed: December 11, 2023
    Publication date: June 20, 2024
    Inventors: Shan Hua JIN, Min Seok YOON
  • Publication number: 20240194891
    Abstract: According to one embodiment of the present disclosure, there is provided a copper foil including a copper film including 99.9 wt % or more of copper, and a protective layer formed on the copper film, wherein the copper foil has a room temperature puncture strength in a range of 5.0 N to 7.0 N, and a high-temperature puncture strength in a range of 8.0 N to 12.5 N. At this time, the high-temperature puncture strength is a puncture strength measured after heat treatment at 190° C. for one hour.
    Type: Application
    Filed: December 11, 2023
    Publication date: June 13, 2024
    Inventors: Shan Hua JIN, Min Seok YOON
  • Publication number: 20240194890
    Abstract: According one embodiment of the present disclosure, there is provided a copper foil including a copper film including 99.9 wt % or more of copper, and a protective layer formed on the copper film, wherein the copper foil has a tensile strength index of 3.0 kgf/mm2 or less, and an elongation index of 2.1% or less.
    Type: Application
    Filed: November 22, 2023
    Publication date: June 13, 2024
    Inventors: Shan Hua JIN, Min Seok YOON
  • Publication number: 20240186527
    Abstract: According to one embodiment of the present disclosure, there is provided a copper foil including a copper film having 99.9 wt % or more of copper, wherein the copper foil has a color difference coefficient in a range of 0.38 to 0.7 based on the Lab color system.
    Type: Application
    Filed: December 5, 2023
    Publication date: June 6, 2024
    Inventors: Shan Hua JIN, Min Seok YOON
  • Publication number: 20240186526
    Abstract: According to one embodiment of the present disclosure, there is provided a copper foil including a copper film including 99.9 wt % or more of copper, and a protective layer formed on the copper film, wherein the copper foil has a room temperature water contact angle in a range of 60° to 70°, and a room temperature surface resistivity in a range of 2.4 m?/cm to 2.7 m?/cm.
    Type: Application
    Filed: December 5, 2023
    Publication date: June 6, 2024
    Inventors: Shan Hua JIN, Min Seok YOON
  • Publication number: 20240178404
    Abstract: According to one embodiment of the present disclosure, there is provided a copper foil including a copper film including 99.9 wt % or more of copper, and having an R value in a range of 2.0 to 3.5.
    Type: Application
    Filed: November 22, 2023
    Publication date: May 30, 2024
    Inventors: Shan Hua JIN, Min Seok YOON
  • Patent number: 11591706
    Abstract: The present invention relates to an electrolytic copper foil having excellent handling characteristics in the manufacture of copper foil and in post-processing for manufacturing a secondary battery. The present invention provides an electrolytic copper foil having a first surface and a second surface, wherein the texture coefficient of the (220) plane of the electrolytic copper foil is 0.4-1.32, the difference (|?(Rz/Ra)|) between Rz/Ra on the first surface and Rz/Ra on the second surface, of the electrolytic copper foil, is less than 2.42, and the difference (|?PD|) in peak density (PD) between the first surface and the second surface, of the electrolytic copper foil, is 96 ea or less.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: February 28, 2023
    Assignee: SK NEXILIS CO., LTD.
    Inventors: Seung Min Kim, Shan Hua Jin
  • Patent number: 11505873
    Abstract: Disclosed is a copper foil including a copper layer having a matte surface and a shiny surface, and an anticorrosive layer disposed on the copper layer, wherein the copper foil has a residual stress of 0.5 to 25 Mpa, based on absolute value, and the copper layer has a plurality of crystal planes, wherein a ratio [TCR (220)] of a texture coefficient (TC) of (220) crystal plane of the copper layer to a total of texture coefficients (TC) of (111), (200), (220) and (311) crystal planes of the copper layer is 5 to 30%.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: November 22, 2022
    Assignee: SK NEXILIS CO., LTD.
    Inventors: Shan Hua Jin, An Na Lee, Seung Min Kim
  • Publication number: 20220228268
    Abstract: Provided in one embodiment of the present disclosure is a copper foil, which comprises a copper layer having a matte surface and a shiny surface, and an anticorrosive film arranged on the copper layer, and has a residual stress of 0.5-25 MPa on the basis of the absolute value thereof, wherein the copper layer comprises copper and carbon (C), the amount of carbon (C) in the copper layer is 2-20 ppm, the copper layer has a plane (111), a plane (200), a plane (220) and a plane (311) including crystalline particles, the ratio of the diffraction intensity of the plane (220) to the sum of the diffraction intensities of the plane (111), the plane (200), the plane (220) and the plane (311) is 10-40%, and the crystalline particles of the plane (220) have an average particle size of 70-120 nm at room temperature.
    Type: Application
    Filed: November 13, 2020
    Publication date: July 21, 2022
    Inventors: Shan Hua JIN, An Na LEE, Seung Min KIM
  • Patent number: 11352707
    Abstract: Disclosed is a copper foil including a copper layer and an anticorrosive layer disposed on the copper layer, wherein the copper foil has a peak to arithmetic mean roughness (PAR) of 0.8 to 12.5, a tensile strength of 29 to 58 kgf/mm2, and a weight deviation of 3% or less, wherein the PAR is calculated in accordance with the following Equation 1: PAR=Rp/Ra??[Equation 1] wherein Rp is a maximum profile peak height and Ra is an arithmetic mean roughness.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: June 7, 2022
    Assignee: SK NEXILIS CO., LTD.
    Inventors: Seung Min Kim, An Na Lee, Ho Gun Kim, Shan Hua Jin
  • Patent number: 11346015
    Abstract: The present invention relates to: an electrolytic copper foil having high dimensional stability and texture stability in a high temperature environment of a process for manufacturing an Li secondary battery; and a manufacturing method therefor. The electrolytic copper foil of the present invention has a thermal expansion coefficient of 17.1-22 ?m/(m·° C.) in a temperature region of 30-190° C., has a variation of full width at half maximum of the (220) plane of 0.81-1.19 according to heat treatment for 30 minutes at 190° C., and has a weight deviation of 5% or less in the transverse direction.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: May 31, 2022
    Assignee: KCF TECHNOLOGIES CO., LTD.
    Inventors: Seung Min Kim, Joong Kyu An, Shan Hua Jin