Patents by Inventor Jaechan RYU

Jaechan RYU 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: 20240429461
    Abstract: Provided is a pressing apparatus for a battery cell, the apparatus including: a first plate and a third plate spaced apart from each other by a predetermined distance; a second plate movably disposed between the first plate and the third plate; and a pressure indicator changing color based on a pressure change in the battery cell disposed between the second plate and the third plate, wherein the battery cell is disposed between the pressure indicator and the third plate, and the color change of the pressure indicator is visually determined from above the first plate.
    Type: Application
    Filed: June 17, 2024
    Publication date: December 26, 2024
    Inventors: Sung Kyung KIM, Jaechan Ryu
  • Patent number: 12129270
    Abstract: Provided are a novel boron-containing compound and an electrolyte solution additive for a secondary battery including the same. The electrolyte solution for a secondary battery provided in one embodiment includes the novel boron-containing compound, thereby suppressing the decomposition of an electrolyte solution to improve the capacity and the life characteristics of a battery.
    Type: Grant
    Filed: November 6, 2023
    Date of Patent: October 29, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Myoung Lae Kim, Chanwoo Kim, Yu Na Shim, Jaechan Ryu, Cholho Lee, Han Sol Lee
  • Patent number: 12122796
    Abstract: The present disclosure relates to a novel boron-containing compound and an electrolyte additive for a secondary battery containing the same. An electrolyte for a secondary battery provided in one embodiment contains the novel boron-containing compound, such that decomposition of the electrolyte may be suppressed, thereby improving a capacity and a lifespan of the battery.
    Type: Grant
    Filed: November 8, 2023
    Date of Patent: October 22, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Myoung Lae Kim, Chanwoo Kim, Yu Na Shim, Jaechan Ryu, Cholho Lee, Han Sol Lee
  • Patent number: 12095048
    Abstract: An apparatus of testing an all-solid state secondary battery by nail penetration includes a pressurizing unit pressurizing a battery cell, a penetrating member inserted into a through-hole provided in the pressurizing unit to pass through the battery cell, and an auxiliary pressing unit disposed between the pressurizing unit and the battery cell and transferring pressure applied by the pressurizing unit to the battery cell. The auxiliary pressing unit is disposed between the through-hole and the battery cell in a form to block the through-hole.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: September 17, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Jaechan Ryu, Cholho Lee
  • Patent number: 11976088
    Abstract: Provided are a novel boron-containing compound and an electrolyte solution additive for a secondary battery including the same. The electrolyte solution for a secondary battery provided in one embodiment includes the novel boron-containing compound, thereby suppressing the decomposition of an electrolyte solution to improve the capacity and the life characteristics of a battery.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: May 7, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Myoung Lae Kim, Chanwoo Kim, Yu Na Shim, Jaechan Ryu, Cholho Lee, Han Sol Lee
  • Publication number: 20240092805
    Abstract: Provided are a novel boron-containing compound and an electrolyte solution additive for a secondary battery including the same. The electrolyte solution for a secondary battery provided in one embodiment includes the novel boron-containing compound, thereby suppressing the decomposition of an electrolyte solution to improve the capacity and the life characteristics of a battery.
    Type: Application
    Filed: November 6, 2023
    Publication date: March 21, 2024
    Inventors: Myoung Lae KIM, Chanwoo KIM, Yu Na SHIM, Jaechan RYU, Cholho LEE, Han Sol LEE
  • Publication number: 20240092806
    Abstract: The present disclosure relates to a novel boron-containing compound and an electrolyte additive for a secondary battery containing the same. An electrolyte for a secondary battery provided in one embodiment contains the novel boron-containing compound, such that decomposition of the electrolyte may be suppressed, thereby improving a capacity and a lifespan of the battery.
    Type: Application
    Filed: November 8, 2023
    Publication date: March 21, 2024
    Inventors: Myoung Lae KIM, Chanwoo KIM, Yu Na SHIM, Jaechan RYU, Cholho LEE, Han Sol LEE
  • Publication number: 20240039037
    Abstract: A negative electrode-glass electrolyte layer laminate including a negative electrode and a glass electrolyte layer on at least one surface of the negative electrode, wherein the negative electrode includes a surface passivated lithium-containing metal foil, and the laminate electrochemically operable in the absence of external pressure, an all-solid-state secondary battery including the negative electrode-glass electrolyte layer laminate, and a method of manufacturing the negative electrode-glass electrolyte layer laminate.
    Type: Application
    Filed: July 28, 2022
    Publication date: February 1, 2024
    Inventors: Jun Nyeong YUN, Doehee PARK, Eunjeong YI, Cholho LEE, Jaechan RYU, Han Sol LEE, Bruce Katz, Eugene Nimon, Steve J. Visco
  • Patent number: 11851448
    Abstract: The present disclosure relates to a novel boron-containing compound and an electrolyte additive for a secondary battery containing the same. An electrolyte for a secondary battery provided in one embodiment contains the novel boron-containing compound, such that decomposition of the electrolyte may be suppressed, thereby improving a capacity and a lifespan of the battery.
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: December 26, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Myoung Lae Kim, Chanwoo Kim, Yu Na Shim, Jaechan Ryu, Cholho Lee, Han Sol Lee
  • Patent number: 11845766
    Abstract: Provided are a novel boron-containing compound and an electrolyte solution additive for a secondary battery including the same. The electrolyte solution for a secondary battery provided in one embodiment includes the novel boron-containing compound, thereby suppressing the decomposition of an electrolyte solution to improve the capacity and the life characteristics of a battery.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: December 19, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Myoung Lae Kim, Chanwoo Kim, Yu Na Shim, Jaechan Ryu, Cholho Lee, Han Sol Lee
  • Publication number: 20230192727
    Abstract: Provided are a novel boron-containing compound and an electrolyte solution additive for a secondary battery including the same. The electrolyte solution for a secondary battery provided in one embodiment includes the novel boron-containing compound, thereby suppressing the decomposition of an electrolyte solution to improve the capacity and the life characteristics of a battery.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 22, 2023
    Inventors: Myoung Lae KIM, Chanwoo Kim, Yu Na Shim, Jaechan Ryu, Cholho Lee, Han Sol LEE
  • Publication number: 20230133663
    Abstract: An apparatus of testing an all-solid state secondary battery by nail penetration includes a pressurizing unit pressurizing a battery cell, a penetrating member inserted into a through-hole provided in the pressurizing unit to pass through the battery cell, and an auxiliary pressing unit disposed between the pressurizing unit and the battery cell and transferring pressure applied by the pressurizing unit to the battery cell. The auxiliary pressing unit is disposed between the through-hole and the battery cell in a form to block the through-hole.
    Type: Application
    Filed: October 27, 2022
    Publication date: May 4, 2023
    Inventors: Jaechan RYU, Cholho Lee