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).

  • Publication number: 20180048033
    Abstract: Provided is a cartridge suitable for sensing a voltage of a battery cell through a center region and an edge, wherein two battery cells are provided in an upper portion and a lower portion so as to increase energy density, and a battery module including the cartridge. The cartridge includes: a mount frame including a pair of through windows provided sequentially in a length direction, and a lower sliding board, a lead mounting board, and an upper sliding board sequentially provided in a width direction between the pair of through windows; and cooling fins respectively covering the pair of through windows, wherein the lower sliding board and the upper sliding board are respectively provided on left and right of the lead mounting board to diagonally face each other.
    Type: Application
    Filed: June 13, 2016
    Publication date: February 15, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Jeong-Seop LEE, Jong-Woon CHOI, Sun-Mo AN, Seung-Hun JUNG
  • 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
  • Publication number: 20170125774
    Abstract: Disclosed are a battery module and a battery pack including the same, in which laser welding can be used for coupling three or more electrode leads to a single bus bar, thereby enhancing adhesion and improving the ease of a manufacturing process. The battery module includes: a plurality of secondary batteries, each including an electrode assembly, a case and an electrode lead; and a terminal bus bar having a plate-like coupling unit, wherein electrode leads of the same polarity provided in the three or more secondary batteries are coupled to the coupling unit, two or more electrode leads stacked to each other are in contact with one end of the coupling unit, and the other one or more electrode leads are in contact with the other end of the coupling unit.
    Type: Application
    Filed: March 6, 2015
    Publication date: May 4, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Jong-Woon CHOI, Dal-Mo KANG, Jun-Yeob SEONG
  • 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
  • Patent number: 9583748
    Abstract: Disclosed is a battery pack which improves coupling strength and space utilization of a plurality of battery modules.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: February 28, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jong-Woon Choi, Jeong-O Mun, Dal-Mo Kang
  • 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
  • Patent number: 9412993
    Abstract: A battery module according to an exemplary embodiment of the present disclosure includes a plurality of cell cartridges including at least one battery cell having an electrode terminal and a molding case to receive the battery cell, the molding case having a plurality of coupling protrusions protruding outward, and a sensing module connected to the coupling protrusions to couple the plurality of cell cartridges, the sensing module having a voltage sensing terminal coming into contact with the electrode terminal by the coupling. According to one aspect of the present disclosure, a cost and time taken to manufacture the battery module may reduce by simplifying a connection structure of the plurality of battery cells, and simplifying a coupling structure between the battery cell and the sensing module installed to sense the voltage of the battery cell.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: August 9, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Dal-Mo Kang, Jong-Woon Choi, Jeong-O Mun, Jun-Yeob Seong, Young-Sop Eom, Ki-Youn Kim, Sun-Mo An, Gang-U Lee
  • Publication number: 20160204398
    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: Application
    Filed: August 27, 2014
    Publication date: July 14, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Jung Oh MOON, Dal Mo KANG, Jong Woon CHOI, Jun Yeob SEONG, Byung O KONG, Youngsop EOM
  • Publication number: 20160190659
    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: Application
    Filed: August 18, 2014
    Publication date: June 30, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Jung Oh MOON, Dal Mo KANG, Jong Woon CHOI, Jun Yeob SEONG, Byung O KONG, Youngsop EOM
  • Publication number: 20160141712
    Abstract: Disclosed is a battery module array including battery modules, which may have improved space utilization. The battery module array includes a plurality of battery modules, each having two secondary battery cells, a module frame and a cooling fin. If the battery module array is configured using the above battery modules, space utilization may be improved.
    Type: Application
    Filed: April 1, 2015
    Publication date: May 19, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Jong-Woon CHOI, Jeong-O MUN, Dal-Mo KANG
  • Publication number: 20160133898
    Abstract: Disclosed is a battery pack which improves coupling strength and space utilization of a plurality of battery modules.
    Type: Application
    Filed: April 1, 2015
    Publication date: May 12, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Jong-Woon CHOI, Jeong-O MUN, Dal-Mo KANG
  • Patent number: 9331327
    Abstract: Disclosed is a secondary battery pack including a battery cell having a cathode and anode terminal formed at one face having a sealed surplus portion and a protection circuit module (PCM) electrically connected to the cell via the cathode and anode terminal, wherein the PCM includes a board having a cathode terminal connection part connected to the cathode terminal and an anode terminal connection part connected to the anode terminal and an electrically insulative case configured to receive the board through an open face thereof. The board, connected to the cathode terminal and anode terminal of the battery cell via the cathode terminal connection part and the anode terminal connection part, is mounted to the sealed surplus portion of the cell in a state in which the board is disposed in the case so that the cathode and anode terminal are exposed through the open face of the case.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: May 3, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Jong Woon Choi, Ju Hwan Baek, Hyung Ku Yun, Tae Wook Kim
  • Publication number: 20160087252
    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: Application
    Filed: April 18, 2014
    Publication date: March 24, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Eun Pyo HONG, Jong Woon CHOI, Hyung Ku YUN
  • Patent number: 9263712
    Abstract: Disclosed is a secondary battery pack including an anode terminal of a battery cell, the anode terminal being made of a plate-shaped conductive member, the anode terminal being electrically connected to a protection circuit module (PCM) via a safety element, a cathode terminal of the battery cell, the cathode terminal being made of a plate-shaped conductive member, the cathode terminal being directly electrically connected to the PCM, a battery cell having the anode terminal and the cathode terminal formed at one end thereof, the battery cell being provided at the end thereof with a thermally welded surplus portion, and a PCM including a printed circuit board (PCB) having a protection circuit formed thereon.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: February 16, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Jong Woon Choi, Hyung Ku Yun, Ju Hwan Baek, Tae Wook Kim
  • Patent number: 9219266
    Abstract: Disclosed is a secondary battery pack including an anode terminal and a cathode terminal of a battery cell, and being made of a plate-shaped conductive member, the anode terminal and the cathode terminal being electrically connected to a protection circuit module (PCM), a battery cell having the anode terminal and the cathode terminal formed at one end thereof, the battery cell being provided at the end thereof with a thermally welded surplus portion, and a PCM including a printed circuit board (PCB) having a protection circuit formed thereon, the PCB being provided at one side thereof with a cathode terminal connection portion and an anode terminal connection portion and at the other side thereof with an external input and output terminal connection portion, an external input and output terminal electrically connected to the protection circuit of the PCB via the external input and output terminal connection portion of the PCB.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: December 22, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Jong Woon Choi, Dongcheol Lee, Eun Pyo Hong