Patents by Inventor Jong Woon Choi

Jong Woon 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).

  • Patent number: 12592455
    Abstract: Disclosed herein is a high-voltage battery module including a bridge bus bar configured to be exposed to the outside in order to reduce a danger of accident due to electric shock when handing the high-voltage battery module, wherein a cell assembly is temporarily electrically open-circuited and the bridge bus bar is connected only when the battery module is used. It is possible to remove dangerous factors that may injure the human body during manufacture and transportation of the high-voltage battery module and to use the high-voltage battery module in the state in which restrictions are minimized.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: March 31, 2026
    Assignee: LG Energy Solution, Ltd.
    Inventor: Jong Woon Choi
  • Patent number: 11967735
    Abstract: A battery module includes: a battery cell stack in which a plurality of battery cells are stacked, each battery cell of the plurality of battery cells including a portion of a battery case body extended outward as a cell terrace, a busbar frame connected to the battery cell stack, electrode leads protruding from the cell terraces, respectively, of the plurality of battery cells, and a partition wall disposed between immediately adjacent electrode leads and formed on the busbar frame, the partition wall located between the cell terrace protruding from an outermost battery cell of the plurality of battery cells in the battery cell stack and the cell terrace protruding from the battery cell immediately adjacent to the outermost battery cell.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: April 23, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Hyejin Kim, Doohan Yoon, Jaehun Yang, Junyeob Seong, Jong Woon Choi, Junkyu Park, Youngho Choi
  • Patent number: 11721874
    Abstract: A bus bar assembly includes a frame, a plurality of sensing bus bars integrally provided on the frame, an inter bus bar configured to connect any one pair of sensing bus bars, among the plurality of sensing bus bars, to each other, and a terminal bus bar configured to connect any one of the plurality of sensing bus bars to an external terminal.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: August 8, 2023
    Inventors: Doo Han Yoon, Jong Woon Choi, Jae Hun Yang
  • Publication number: 20220393309
    Abstract: Disclosed herein is a high-voltage battery module including a bridge bus bar configured to be exposed to the outside in order to reduce a danger of accident due to electric shock when handing the high-voltage battery module, wherein a cell assembly is temporarily electrically open-circuited and the bridge bus bar is connected only when the battery module is used. It is possible to remove dangerous factors that may injure the human body during manufacture and transportation of the high-voltage battery module and to use the high-voltage battery module in the state in which restrictions are minimized.
    Type: Application
    Filed: October 14, 2020
    Publication date: December 8, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventor: Jong Woon Choi
  • Publication number: 20210280949
    Abstract: A battery module includes: a battery cell stack in which a plurality of battery cells are stacked, each battery cell of the plurality of battery cells including a portion of a battery case body extended outward as a cell terrace, a busbar frame connected to the battery cell stack, electrode leads protruding from the cell terraces, respectively, of the plurality of battery cells, and a partition wall disposed between immediately adjacent electrode leads and formed on the busbar frame, the partition wall located between the cell terrace protruding from an outermost battery cell of the plurality of battery cells in the battery cell stack and the cell terrace protruding from the battery cell immediately adjacent to the outermost battery cell.
    Type: Application
    Filed: December 2, 2019
    Publication date: September 9, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Hyejin Kim, Doohan Yoon, Jaehun Yang, Junyeob Seong, Jong Woon Choi, Junkyu Park, Youngho Choi
  • Publication number: 20210091350
    Abstract: A bus bar assembly includes a frame, a plurality of sensing bus bars integrally provided on the frame, an inter bus bar configured to connect any one pair of sensing bus bars, among the plurality of sensing bus bars, to each other and a terminal bus bar configured to connect any one of the plurality of sensing bus bars to an external terminal.
    Type: Application
    Filed: July 23, 2019
    Publication date: March 25, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Doo Han Yoon, Jong Woon Choi, Jae Hun Yang
  • Patent number: 10374200
    Abstract: Disclosed herein is a battery pack configured to have a structure including a plate-shaped battery cell having electrode terminals formed at one side thereof including a sealed surplus part and a protection circuit module (PCM) mounted at the sealed surplus part, wherein each of the electrode terminals of the battery cell is made of a plate-shaped conductive member, the PCM includes a protection circuit board (PCB), a safety element electrically connected between one of the electrode terminals of the battery cell and the PCB or loaded on the PCB, an external input and output terminal electrically connected to a protection circuit of the PCB, and an electrically insulative module case in which the PCB and the safety element are mounted in a state in which the external input and output terminal extends outside, the module case includes a PCB receiving part open outward at one side thereof and at least one fixing part to mount the module case to the sealed surplus part of the battery cell, and the PCM is loaded
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: August 6, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Mi Geum Choi, Dong Cheol Lee, Jong Woon Choi
  • Patent number: 10320036
    Abstract: Disclosed herein is a voltage sensing assembly including sensing bus bars connected to series connection portions of battery cells for sensing the voltage of the battery cells, a printed circuit board (PCB), to the upper part of which the sensing bus bars are and to the lower part of which a connector is coupled, the connector mounted on the PCB, an insulative mounting member including a receiving part having a shape corresponding to the shape of the PCB such that the PCB is mounted in the receiving part, the receiving part being provided at one side thereof with openings, through which the sensing bus bars extend, and an insulation sheet attached to the front surface of the PCB.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: June 11, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Jung Oh Moon, Dal Mo Kang, Jong Woon Choi, Jun Yeob Seong, Byung O Kong, Youngsop Eom
  • Patent number: 10074832
    Abstract: Disclosed herein is a method of manufacturing a battery cell having a structure in which an electrode assembly including a positive electrode, a separator, and a negative electrode is mounted in a battery case, and the battery case is sealed by thermal welding, the method including (a) mounting the electrode assembly in a receiving part of the battery case and forming sealed portions at an outer edge of the receiving part by thermal welding, (b) perpendicularly bending the sealed portions and bringing the bent sealed portions into contact with an outer side wall of the receiving part, (c) mounting and fixing the battery case processed at step (b) in a jig provided with a depressed part having a size corresponding to that of the battery case, and (d) injecting a curable material into a space defined between the outer side wall of the receiving part of the battery case and an inner side wall of the depressed part of the jig and curing the injected curable material.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: September 11, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Eun Pyo Hong, Jong Woon Choi, Hyung Ku Yun
  • Patent number: 10069178
    Abstract: Disclosed herein is a battery cell including a battery cell body having an electrode assembly mounted in a cell case, an electrode terminal protruding from at least one end of the battery cell body, and a connection protrusion for voltage sensing formed integrally with the electrode terminal.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: September 4, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jung Oh Moon, Dal Mo Kang, Jong Woon Choi, Jun Yeob Seong, Byung O Kong, Youngsop Eom
  • Patent number: 9978998
    Abstract: Disclosed is a battery module array which has high space utilization and is easy to fabricate. The battery module array includes a plurality of battery modules, end plates, tension bars, a front sensing unit, a rear sensing unit, an under-base bar, a front cover, and a rear cover.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: May 22, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jong Woon Choi, Dal-Mo Kang
  • Patent number: 9905835
    Abstract: Disclosed is a secondary battery pack including a battery cell having an anode and a cathode terminal formed at one face having a sealed surplus portion and a protection circuit module (PCM) electrically connected to the battery cell via the anode and the cathode terminal, wherein the PCM includes a board having a protection circuit formed thereon, the board being provided with an anode terminal connection part and a cathode terminal connection part connected to the anode terminal and the cathode terminal, respectively, the board is coupled to the anode terminal and the cathode terminal of the battery cell via the anode terminal connection part and the cathode terminal connection part and is mounted to the sealed surplus portion of the battery cell, and the secondary battery pack further includes a frame mounted to the PCM and the battery cell so as to surround the PCM and the battery cell.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: February 27, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Jong Woon Choi, Seog Jin Yoon, Youngjoo Cha
  • Patent number: 9893514
    Abstract: Disclosed herein is a secondary battery pack including a battery cell having an anode terminal and a cathode terminal formed at one face having a sealed surplus portion and a protection circuit module (PCM) electrically connected to the battery cell via the anode terminal and the cathode terminal, wherein the PCM includes a board having a protection circuit formed thereon, the board being provided with an anode terminal connection part and a cathode terminal connection part connected to the anode terminal and the cathode terminal, respectively, a PCM case configured to receive the board through an open face thereof so that the PCM case surrounds the board, and an electrically insulative lid to close the open face of the PCM case.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: February 13, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Jong Woon Choi, Hyung Gu Yun, Migeum Choi
  • Patent number: 9793704
    Abstract: A battery pack including a battery cell having an anode and cathode terminal at one face having a sealed surplus portion and a protection circuit module (PCM) connected to the cell via the anode and cathode terminal, the PCM including a board having a protection circuit thereon, the board being provided with an anode and cathode terminal connection part connected to the anode and cathode terminal, respectively, and a PCM case configured to receive the board through an open face thereof so that the PCM case surrounds the board. The board is coupled to the anode and cathode terminal of the cell via the anode and cathode terminal connection part, the board is disposed in the PCM case in a state in which the board is parallel to the cell, and the PCM case, in which the board is disposed, is mounted to the sealed surplus portion of the cell.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: October 17, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jong Woon Choi, Seog Jin Yoon, Migeum Choi
  • Patent number: 9774015
    Abstract: Disclosed herein is a battery module including two or more battery cells, which can be charged and discharged, arranged in a stacked state and cartridges for fixing the battery cells to constitute a battery cell stack, wherein each of the cartridges includes a cooling fin contacting the battery cells and a cartridge frame for fixing the cooling fin, the cooling fin includes two cooling plates, the cooling plates being mounted to the cartridge frame in a state of being spaced apart from each other in order to define a coolant flow channel, the cartridge frame is provided with openings communicating with the coolant flow channel defined between the cooling plates, and one side or opposite sides of each of the battery cells are sealed by a sealing member on an interface between each of the battery cells and the coolant flow channel in order to prevent gases generated in the battery cells from being introduced into the coolant flow channel.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: September 26, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jung Oh Moon, Dal Mo Kang, Jong Woon Choi, Jun Yeob Seong, Byung O Kong, Youngsop Eom
  • Patent number: 9640792
    Abstract: Disclosed herein is a battery assembly including at least two battery cells connected in series or in parallel. Each of the battery cells includes an electrode assembly including a cathode, an anode and a separator interposed between the cathode and the anode and a battery case in which the electrode assembly is mounted. An electrode terminal of a first battery cell and an electrode terminal of a second battery cell are formed as a single member at a series or parallel connection portion between the first and second battery cells.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: May 2, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jun Hee Jung, Sooryoung Kim, Jong Woon Choi, Jung Oh Moon, Tae Hwan Roh
  • Publication number: 20170033333
    Abstract: Disclosed herein is a battery pack configured to have a structure including a plate-shaped battery cell having electrode terminals formed at one side thereof including a sealed surplus part and a protection circuit module (PCM) mounted at the sealed surplus part, wherein each of the electrode terminals of the battery cell is made of a plate-shaped conductive member, the PCM includes a protection circuit board (PCB), a safety element electrically connected between one of the electrode terminals of the battery cell and the PCB or loaded on the PCB, an external input and output terminal electrically connected to a protection circuit of the PCB, and an electrically insulative module case in which the PCB and the safety element are mounted in a state in which the external input and output terminal extends outside, the module case includes a PCB receiving part open outward at one side thereof and at least one fixing part to mount the module case to the sealed surplus part of the battery cell, and the PCM is loaded
    Type: Application
    Filed: April 29, 2014
    Publication date: February 2, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Mi Geum CHOI, Dong Cheol LEE, Jong Woon CHOI
  • Publication number: 20160336563
    Abstract: Disclosed is a battery module array which has high space utilization and is easy to fabricate. The battery module array includes a plurality of battery modules, end plates, tension bars, a front sensing unit, a rear sensing unit, an under-base bar, a front cover, and a rear cover.
    Type: Application
    Filed: April 1, 2015
    Publication date: November 17, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Jong Woon CHOI, Dal-Mo KANG
  • Patent number: 9484592
    Abstract: Disclosed herein is a battery module including a battery cell stack configured to have a rectangular parallelepiped structure in which two or more plate-shaped battery cells, each of which has electrode terminals formed at one side thereof, are stacked and a breadth of one surface of the battery cell stack at which the electrode terminals of the battery cells are disposed is smaller than a width and a height of each major surface of the battery cell stack, a first module case bent to surround two relatively large major surfaces of the battery cell stack and one surface of the battery cell stack opposite to the surface of the battery cell stack at which the electrode terminals of the battery cells are disposed, among six surfaces of the battery cell stack and a surface, the first module case being made of a thermally conductive material that is capable of dissipating heat generated from the battery cells during charge and discharge of the battery cells, and a second module case bent to surround side surfaces o
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: November 1, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Tae Hwan Roh, Jong Woon Choi, Jung Oh Moon, Jun Hee Jung, Sooryoung Kim, Dal Mo Kang
  • Publication number: 20160315356
    Abstract: Disclosed herein is a voltage sensing assembly including sensing bus bars connected to series connection portions of battery cells for sensing the voltage of the battery cells, a printed circuit board (PCB), to the upper part of which the sensing bus bars are and to the lower part of which a connector is coupled, the connector mounted on the PCB, an insulative mounting member including a receiving part having a shape corresponding to the shape of the PCB such that the PCB is mounted in the receiving part, the receiving part being provided at one side thereof with openings, through which the sensing bus bars extend, and an insulation sheet attached to the front surface of the PCB.
    Type: Application
    Filed: September 26, 2014
    Publication date: October 27, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Jung Oh MOON, Dal Mo KANG, Jong Woon CHOI, Jun Yeob SEONG, Byung O KONG, Youngsop EOM