Patents by Inventor Yang-Kyu Choi

Yang-Kyu Choi 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: 20250149726
    Abstract: A battery module of the present disclosure includes: a plurality of battery cells each including an openable venting portion on a first surface, a bus bar assembly electrically connecting the plurality of battery cells, a cover portion covering the plurality of battery cells and including a through-hole in an area corresponding to an openable venting portion of a battery cell of the plurality of battery cells, and a cap portion covering the through-hole and detachably coupled to the cover portion.
    Type: Application
    Filed: November 5, 2024
    Publication date: May 8, 2025
    Inventors: Tak Kyung YOO, Yang Kyu CHOI
  • Patent number: 12294116
    Abstract: A battery pack includes a plurality of battery modules including a first battery module and a second battery module; and a busbar electrically connecting the first battery module and the second battery module, wherein the first battery module or the second battery module includes a vent hole in a portion corresponding to a portion of the busbar.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: May 6, 2025
    Assignee: SK ON CO., LTD.
    Inventors: Seo Roh Rhee, Ha Chul Jeong, Yang Kyu Choi
  • Publication number: 20250079547
    Abstract: A battery system includes a battery pack including a pack frame, a plurality of battery modules disposed within the pack frame, and a cooling plate covering the plurality of battery modules and including an accommodation space for accommodating a refrigerant, a cooling passage connected to the cooling plate, a circulation pump connected to the cooling passage and configured to circulate the refrigerant within the cooling passage and the cooling plate, a pressure sensor disposed within the cooling passage, a plurality of temperature sensors disposed on the plurality of battery modules, and a processor electrically connected to the plurality of temperature sensors and the pressure sensor. The processor is configured to adjust an output of the circulation pump based on at least one of a temperature detected by one or more of the plurality of temperature sensors and pressure detected by the pressure sensor.
    Type: Application
    Filed: August 12, 2024
    Publication date: March 6, 2025
    Inventors: Yang Kyu CHOI, Tak Kyung YOO
  • Publication number: 20250055146
    Abstract: The present disclosure relates to a busbar including a plate; and a plurality of slots formed at the plate, each extending along a first direction, and spaced apart from each other along a second direction which is different from the first direction, wherein the plate includes a body in which the plurality of slots are formed; and a first protrusion formed by extending at least a part of the body along the first direction, and a battery assembly including the same.
    Type: Application
    Filed: July 25, 2024
    Publication date: February 13, 2025
    Inventors: Yang Kyu CHOI, Woo Young JO
  • Patent number: 12206124
    Abstract: A battery module includes a plurality of battery sub-packing units including at least one battery cell and a case in which the at least one battery cell is accommodated, and a body frame unit surrounding upper portions and outermost side portions of the plurality of battery sub-packing units, where lower portions of the plurality of battery sub-packing units are directly exposed to the outside.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: January 21, 2025
    Assignee: SK ON CO., LTD.
    Inventors: Yang Kyu Choi, Hae Ryong Jeon, Ha Chul Jeong, Seo Roh Rhee
  • Publication number: 20250023141
    Abstract: The present invention provides a battery module, which includes: a battery group formed by stacking a plurality of battery cells, each of which includes electrode tabs; a cooling housing including a cooling plate located corresponding to one side of sides of the battery group, in which the electrode tabs are not extended, and side plates located on both sides of the battery group perpendicular to the one side of the sides, thus to house the battery group; a cover plate located on the other side of the battery group; and a front cover part and a rear cover part, which are located at outermost front and rear of the battery group on both sides in a direction in which the electrode tabs are extended.
    Type: Application
    Filed: October 2, 2024
    Publication date: January 16, 2025
    Inventors: Yang Kyu CHOI, Sol San SON, Dong Hun LIM, Seung Hoon JU
  • Publication number: 20250023142
    Abstract: The present invention provides a battery module, which includes: a battery group formed by stacking a plurality of battery cells, each of which includes electrode tabs; a cooling housing including a cooling plate located corresponding to one side of sides of the battery group, in which the electrode tabs are not extended, and side plates located on both sides of the battery group perpendicular to the one side of the sides, thus to house the battery group; a cover plate located on the other side of the battery group; and a front cover part and a rear cover part, which are located at outermost front and rear of the battery group on both sides in a direction in which the electrode tabs are extended.
    Type: Application
    Filed: October 2, 2024
    Publication date: January 16, 2025
    Inventors: Yang Kyu CHOI, Sol San SON, Dong Hun LIM, Seung Hoon JU
  • Patent number: 12183821
    Abstract: Disclosed is a single transistor with a double gate structure for an adjustable firing threshold voltage and a neuromorphic system using the same. A single transistor neuron with a double gate structure according to an example embodiment includes a barrier material layer formed on a semiconductor substrate and comprising a hole barrier material or an electron barrier material; a floating body layer formed on the barrier material layer; a source and a drain formed at both sides of the floating body layer, respectively; a driving gate formed at a first side of the floating body layer without contacting the source and the drain; a control gate formed at a second side of the floating body layer without contacting the source and the drain; and a gate insulating film formed between the floating body layer and the driving gate and between the floating body layer and the control gate.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: December 31, 2024
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Yang-Kyu Choi, Joon-Kyu Han
  • Patent number: 12176505
    Abstract: The present invention provides a battery module, which includes: a battery group formed by stacking a plurality of battery cells, each of which includes electrode tabs; a cooling housing including a cooling plate located corresponding to one side of sides of the battery group, in which the electrode tabs are not extended, and side plates located on both sides of the battery group perpendicular to the one side of the sides, thus to house the battery group; a cover plate located on the other side of the battery group; and a front cover part and a rear cover part, which are located at outermost front and rear of the battery group on both sides in a direction in which the electrode tabs are extended.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: December 24, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Yang Kyu Choi, Sol San Son, Dong Hun Lim, Seung Hoon Ju
  • Patent number: 12160010
    Abstract: A pouch-type battery cell includes an electrode assembly, a pouch having at least one electrode accommodation portion accommodating the electrode assembly therein and a sealing portion for sealing the electrode assembly, and electrode leads electrically connected to the electrode assembly and exposed externally of the pouch through the sealing portion, wherein the electrode accommodation portion includes a body portion of which a width is greater than a height thereof, and an extension portion extending from a central portion of the body portion in a width direction to one side and having a width narrower than the width of the body portion, the electrode leads are disposed outside the extension portion in the width direction, and an end of the electrode leads has a height lower than an outer portion of the pouch.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: December 3, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Yang Kyu Choi, Seo Roh Rhee, Young Sun Choi, Eun Jeong Choi
  • Publication number: 20240387903
    Abstract: A battery pack includes: a plurality of battery assemblies, respectively including a cell stack in which a plurality of battery cells are stacked; a pack housing forming an accommodation space that accommodates the plurality of battery assemblies and including an upper cooling plate, a lower cooling plate, and a side wall extending between the upper cooling plate and the lower cooling plate; a first heat conduction member disposed between the plurality of battery assemblies and the upper cooling plate; and a second heat conduction member disposed between the plurality of battery assemblies and the lower cooling plate, in which each of the first heat conduction member and the second heat conduction member is in contact with the cell stack.
    Type: Application
    Filed: March 21, 2024
    Publication date: November 21, 2024
    Inventors: Tak Kyung YOO, Jeong Joo LEE, Seung Hun LEE, Yang Kyu CHOI
  • Publication number: 20240363944
    Abstract: A battery module includes: a plurality of secondary battery cells; and a housing unit having an internal space in which the plurality of secondary battery cells are accommodated and including a plate member extending a flame or gas path.
    Type: Application
    Filed: July 5, 2024
    Publication date: October 31, 2024
    Inventors: Seo Roh RHEE, Seung Hoon JU, Sol San SON, Ha Chul JEONG, Yang Kyu CHOI, Ha Neul CHOI
  • Patent number: 12068495
    Abstract: A battery module includes: a plurality of secondary battery cells; and a housing unit having an internal space in which the plurality of secondary battery cells are accommodated and including a plate member extending a flame or gas path.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: August 20, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Seo Roh Rhee, Seung Hoon Ju, Sol San Son, Ha Chul Jeong, Yang Kyu Choi, Ha Neul Choi
  • Publication number: 20240274946
    Abstract: A battery sub-packing unit includes at least one battery cell; and a case accommodating the at least one battery cell, wherein the case comprises an end panel on which an electrode tab of the at least one battery cell is fastened to extend into an external space, and having a lower end portion in which a sub-vent hole is formed for communication between the external space and an internal space in which the at least one battery cell is disposed.
    Type: Application
    Filed: April 23, 2024
    Publication date: August 15, 2024
    Inventors: Hae Ryong JEON, Yang Kyu CHOI, Tae Il KIM, Kang Gu LEE
  • Publication number: 20240235554
    Abstract: A ternary logic element including a transistor and a switching element. The transistor includes a channel layer including silicon, an input electrode, an output electrode, and a control electrode. The switching element includes an emitter, a base extending from the emitter, and a collector extending from the base. When a first control voltage is applied to the control electrode, the ternary logic element outputs a first voltage, and when a second control voltage different from the first control voltage is applied to the control electrode, the ternary logic element outputs a second voltage different from the first voltage, and when a third control voltage different from the first control voltage and the second control voltage is applied to the control electrode, the ternary logic element outputs a third voltage different from the first voltage and the second voltage.
    Type: Application
    Filed: August 7, 2023
    Publication date: July 11, 2024
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yang Kyu CHOI, Joon Kyu HAN
  • Publication number: 20240234584
    Abstract: A synapse device, a manufacturing method thereof, and a neuromorphic device including the synapse device are disclosed. The synapse device may include a channel member, a tunnel insulating layer disposed on the channel member, a charge trap layer disposed on the tunnel insulating layer, a blocking insulating layer disposed on the charge trap layer, a gate electrode disposed on the blocking insulating layer, a first terminal and a second terminal respectively connected to first and second regions of the channel member, and first and second conductors respectively bonded to the first and second terminals The charge trap layer may have a multilayer structure including a first trap layer disposed adjacent to the channel member and a second trap layer disposed adjacent to the gate electrode. The first trap layer may have a trap of a shallower level than that of the second trap layer.
    Type: Application
    Filed: August 2, 2023
    Publication date: July 11, 2024
    Inventors: Yang Kyu CHOI, Ji Man YU, Seong-Yeon KIM
  • Patent number: 11996574
    Abstract: A battery sub-packing unit includes at least one battery cell; and a case accommodating the at least one battery cell, wherein the case comprises an end panel on which an electrode tab of the at least one battery cell is fastened to extend into an external space, and having a lower end portion in which a sub-vent hole is formed for communication between the external space and an internal space in which the at least one battery cell is disposed.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: May 28, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Hae Ryong Jeon, Yang Kyu Choi, Tae Il Kim, Kang Gu Lee
  • Patent number: 11996567
    Abstract: A battery module includes a plurality of secondary battery cells, a housing member accommodating a plurality of the secondary battery cells therein, and an insulating member disposed on an inner surface of the housing member, preventing flow of electrical current to the housing member, having a heat transfer function to discharge heat of the secondary battery cell externally, and formed to have a predetermined thickness.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: May 28, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Myeong Hwan Ma, Seok Min Kim, Seo Roh Rhee, Hae Ryong Jeon, Seung Hoon Ju, Yang Kyu Choi, Dong Ha Hwang
  • Publication number: 20240136445
    Abstract: A synapse device, a manufacturing method thereof, and a neuromorphic device including the synapse device are disclosed. The synapse device may include a channel member, a tunnel insulating layer disposed on the channel member, a charge trap layer disposed on the tunnel insulating layer, a blocking insulating layer disposed on the charge trap layer, a gate electrode disposed on the blocking insulating layer, a first terminal and a second terminal respectively connected to first and second regions of the channel member, and first and second conductors respectively bonded to the first and second terminals The charge trap layer may have a multilayer structure including a first trap layer disposed adjacent to the channel member and a second trap layer disposed adjacent to the gate electrode. The first trap layer may have a trap of a shallower level than that of the second trap layer.
    Type: Application
    Filed: August 1, 2023
    Publication date: April 25, 2024
    Inventors: Yang Kyu CHOI, Ji Man YU, Seong-Yeon KIM
  • Publication number: 20240137024
    Abstract: A ternary logic element including a transistor and a switching element. The transistor includes a channel layer including silicon, an input electrode, an output electrode, and a control electrode. The switching element includes an emitter, a base extending from the emitter, and a collector extending from the base. When a first control voltage is applied to the control electrode, the ternary logic element outputs a first voltage, and when a second control voltage different from the first control voltage is applied to the control electrode, the ternary logic element outputs a second voltage different from the first voltage, and when a third control voltage different from the first control voltage and the second control voltage is applied to the control electrode, the ternary logic element outputs a third voltage different from the first voltage and the second voltage.
    Type: Application
    Filed: August 6, 2023
    Publication date: April 25, 2024
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yang Kyu CHOI, Joon Kyu HAN