Patents by Inventor Sei-Hoon Cho

Sei-Hoon Cho 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: 20220367952
    Abstract: A battery pack includes a plurality of battery modules, a battery pack case engaged to hold the plurality of battery modules and structured to provide an accommodating space in which the plurality of battery modules are accommodated, wherein the battery pack case includes one or more reinforcing frames structured to partition the accommodating space into subspaces in which the plurality of battery modules are held, one or more protective covers respectively coupled to the one or more reinforcing frames to cover part of each battery module and part of each reinforcing frame, and one or more bus bars coupled to the one or more protective covers and structured to electrically connect the plurality of battery modules.
    Type: Application
    Filed: May 11, 2022
    Publication date: November 17, 2022
    Inventors: Jae Il Hwang, Min Song Kang, Bon Seok Ku, Jun Hee Jung, Sei Hoon Cho, Jin Su Han
  • Publication number: 20220344764
    Abstract: Disclosed is a battery pack in which a fastening recess is provided on a side surface of a vertical frame and a CMU is fastened to the fastening recess, thereby securing rigidity of the vertical frame and maximizing an internal space of the battery pack.
    Type: Application
    Filed: April 26, 2022
    Publication date: October 27, 2022
    Inventors: Jae Il Hwang, Min Song Kang, Jin Su Han, Bon Seok Ku, Jun Hee Jung, Sei Hoon Cho
  • Publication number: 20220344726
    Abstract: Disclosed is a battery pack in which a seating recess is provided in a horizontal frame so that connection members pass through the horizontal frame through the seating recess, thereby maximizing a height of the horizontal frame. A vertical frame cover is provided in a vertical frame to secure a height of the vertical frame side in each module space. A sealing member is provided in the seating recess to seal the seating recess. A double shielding structure, including a module space cover shielding each module space and a battery pack cover shielding a battery pack housing as a whole, is provided to maximize airtightness of the battery pack.
    Type: Application
    Filed: April 26, 2022
    Publication date: October 27, 2022
    Inventors: Jae Il Hwang, Min Song Kang, Jin Su Han, Bon Seok Ku, Jun Hee Jung, Sei Hoon Cho
  • Publication number: 20220271395
    Abstract: A battery cell assembly includes a plurality of battery cells, a bus-bar assembly to which electrode leads of the plurality of battery cells are coupled, and a barrier interposed between the plurality of battery cells and coupled to the bus-bar assembly.
    Type: Application
    Filed: February 21, 2022
    Publication date: August 25, 2022
    Inventors: Jae Il Hwang, Min Song Kang, Bon Seok Ku, Jun Hee Jung, Sei Hoon Cho, Jin Su Han
  • Publication number: 20220263189
    Abstract: A battery pack includes a number of secondary battery cells, and a frame unit including a number of sealed compartments in which the number of secondary battery cells are dispersedly accommodated, and configured to, when flames or gas are generated in a secondary battery cell disposed in one of the compartments, discharge the flames or gas.
    Type: Application
    Filed: February 16, 2022
    Publication date: August 18, 2022
    Inventors: Jeong Woon Ko, Bon Seok Ku, Ja Sung Yun, Dong Hun Lim, Jun Hee Jung, Sei Hoon Cho, Ha Neul Choi, Jae Il Hwang
  • Publication number: 20220255179
    Abstract: A battery pack includes a cell group including a number of secondary battery cells; a frame accommodating the cell group therein; and a bracket coupled to the frame, linked to the cell group to fix the cell group to the frame, and defining a vent space together with the frame to form a path, through which flames or gas are discharged, when the flames or the gas is generated in one of the secondary battery cells.
    Type: Application
    Filed: February 7, 2022
    Publication date: August 11, 2022
    Inventors: Jae Il Hwang, Jin Su Han, Min Song Kang, Bon Seok Ku, Jun Hee Jung, Sei Hoon Cho
  • Publication number: 20220223988
    Abstract: Provided is a battery pack, including a battery module array including a plurality of battery modules coupled in series and having first and second terminals, each of the plurality of battery modules including at least one battery cell, a current blocking element coupled to the battery cell and opened when an overcurrent is applied, and a sensor unit measuring state information of the battery cell and transmitting the measured information; a battery blocking unit including a first switch unit coupled to the first terminal in series, a second switch unit coupled to the second terminal in series, and a third switch unit coupled to the first and second terminals; and a battery management system turning on the third switch unit to open the current blocking element when the measured information exceeds a predetermined threshold value.
    Type: Application
    Filed: January 11, 2022
    Publication date: July 14, 2022
    Inventors: Sei Hoon Cho, Bon Seok Ku, Jun Hee Jung, Jae Il Hwang
  • Publication number: 20220209325
    Abstract: Provided is a pouch-type battery cell capable of being directly accommodated in a battery pack, and a battery pack including the same. In the battery pack, a heat exchange portion of a battery cell assembly formed by stacking a plurality of battery cells each including an electrode tab lead portion and a heat exchange portion is configured to be in contact with a heat conduction member disposed on a bottom portion of a housing without a sealed surface, and a corner portion formed to protrude from one end of the electrode tab lead portion is configured to be accommodated through a bus bar assembly, a cover plate, or a step portion of the bottom portion of the housing to be electrically insulated.
    Type: Application
    Filed: December 23, 2021
    Publication date: June 30, 2022
    Inventors: Jun Hee Jung, Jae Il Hwang, Bon Seok Ku, Jeong Hwan Lee, Sei Hoon Cho
  • Publication number: 20220209332
    Abstract: The following disclosure relates to a battery pack case, and more particularly, to a battery pack case in which an internal space defined by a plate and an outer frame is partitioned into a plurality of module spaces so that a plurality of battery modules are individually seated and in which a plurality of channels are formed inside a left frame and a right frame of the outer frame and have a structure in which they are in communication with internal spaces of each of the plurality of partitioned module spaces to be able to discharge a harmful material generated at the time of occurrence of an issue in the battery module to the outside through the plurality of channels.
    Type: Application
    Filed: December 23, 2021
    Publication date: June 30, 2022
    Inventors: Jun Hee Jung, Jae Il Hwang, Min Song Kang, Bon Seok Ku, Sei Hoon Cho, Jin Su Han
  • Publication number: 20220102804
    Abstract: The battery module includes: a battery cell stack in which a plurality of battery cells are stacked; a terminal block electrically connected to the battery cell stack; a housing accommodating the battery cell stack in a form of an opened side surface on which the terminal block is formed; an insulating cover covering an opening of the housing, a terminal block through hole exposing the terminal block to the outside being formed on one side of the insulating cover; and a terminal block protective cover accommodating the terminal block exposed to the outside. A portion of the terminal block protective cover being melted in a situation of a certain temperature or higher to cover and insulate an outer surface of the terminal block, thereby insulating the terminal block and preventing the short circuit in a thermal runaway situation.
    Type: Application
    Filed: September 27, 2021
    Publication date: March 31, 2022
    Inventors: Jun Hee Jung, Jin Su Han, Jae Il Hwang, Min Song Kang, Bon Seok Ku, Sei Hoon Cho
  • Publication number: 20220085470
    Abstract: The present invention relates to a sensing assembly and a battery module that may have a relatively low weight, simplify a component assembly process, reduce manufacturing cost, and prevent a sensing leg from being damaged due to an assembly step or an external force. The sensing assembly may include a first substrate having at least one first terminal and at least one second terminal provided on one surface and formed of a rigid printed circuit board, a second substrate including at least one sensing line electrically connected to the first terminal and formed of a flexible printed circuit board, and a sensing leg having one end electrically connected to the second terminal and including a fuse part that is disconnected when an excessive current flows.
    Type: Application
    Filed: September 9, 2021
    Publication date: March 17, 2022
    Inventor: Sei Hoon Cho
  • Publication number: 20210028513
    Abstract: Provided are a sensing assembly and a battery module including the same, having improved economical efficiency in such a manner that a relatively expensive flexible printed circuit board is used in a smaller amount by allowing a relatively inexpensive rigid printed circuit board to replace a portion of the flexible printed circuit board used for a conventional sensing assembly.
    Type: Application
    Filed: July 20, 2020
    Publication date: January 28, 2021
    Inventors: Sei Hoon Cho, Young Ki Kim
  • Patent number: 10790550
    Abstract: A secondary battery pack includes: a secondary battery module including battery cells and cooling fins; a first structure provided under the secondary battery module and including a cooling channel and a coupling bracket; and a second structure provided over the secondary battery module and including a printed circuit board.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: September 29, 2020
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Dae Won Kwon, O Sung Kwon, Seok Chun Cho, Sei Hoon Cho, Ho Chul Kang
  • Patent number: 10522885
    Abstract: The secondary battery module includes: A secondary battery module, comprising: a plurality of sub modules, each including battery cell and cooling fin wherein the battery is disposed on both side surfaces of the cooling fin; a cooling plate which is coupled to the plurality of the sub modules; and side structures having bus bars, wherein a terminal unit is disposed at each of the plurality of sub modules, wherein the terminal unit includes a contact terminal disposed between electrode tabs of the battery cells; and a wing terminal which extends outwardly from one end of the contact terminal, wherein the terminal unit disposed at one of the plurality of sub modules is connected with another terminal unit disposed at another sub module by one of the bus bars.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: December 31, 2019
    Assignee: SK INNOVATION CO., LTD.
    Inventors: O Sung Kwon, Seok Chun Cho, Sei Hoon Cho, Ho Chul Kang, Dae Won Kwon
  • Patent number: 10340559
    Abstract: A secondary battery pack includes: a secondary battery module including battery cells and cooling fins; a first structure formed under the secondary battery module and including a cooling channel and coupling brackets; a second structure which is formed in a shape mounted on side faces of the secondary battery module and includes a printed circuit board; and a cover mounted over the second structure.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: July 2, 2019
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Dae Won Kwon, Ho Chul Kang, O Sung Kwon, Seok Chun Cho, Sei Hoon Cho
  • Publication number: 20170365887
    Abstract: A secondary battery pack includes: a secondary battery module including battery cells and cooling fins; a first structure provided under the secondary battery module and including a cooling channel and a coupling bracket; and a second structure provided over the secondary battery module and including a printed circuit board.
    Type: Application
    Filed: June 16, 2017
    Publication date: December 21, 2017
    Inventors: Dae Won KWON, O Sung KWON, Seok Chun CHO, Sei Hoon CHO, Ho Chul KANG
  • Publication number: 20170365888
    Abstract: A secondary battery pack includes: a secondary battery module including battery cells and cooling fins; a first structure formed under the secondary battery module and including a cooling channel and coupling brackets; a second structure which is formed in a shape mounted on side faces of the secondary battery module and includes a printed circuit board; and a cover mounted over the second structure.
    Type: Application
    Filed: June 16, 2017
    Publication date: December 21, 2017
    Inventors: Dae Won KWON, Ho Chul KANG, O Sung KWON, Seok Chun CHO, Sei Hoon CHO
  • Publication number: 20170365894
    Abstract: The secondary battery module includes: A secondary battery module, comprising: a plurality of sub modules, each including battery cell and cooling fin wherein the battery is disposed on both side surfaces of the cooling fin; a cooling plate which is coupled to the plurality of the sub modules; and side structures having bus bars, wherein a terminal unit is disposed at each of the plurality of sub modules, wherein the terminal unit includes a contact terminal disposed between electrode tabs of the battery cells; and a wing terminal which extends outwardly from one end of the contact terminal, wherein the terminal unit disposed at one of the plurality of sub modules is connected with another terminal unit disposed at another sub module by one of the bus bars.
    Type: Application
    Filed: June 19, 2017
    Publication date: December 21, 2017
    Inventors: O Sung KWON, Seok Chun CHO, Sei Hoon CHO, Ho Chul KANG, Dae Won KWON
  • Patent number: 8922959
    Abstract: The apparatus for preventing a secondary accident by short of sensing lines in a high voltage battery using a fuse, includes: a plurality of battery modules provided with a plurality of battery cells; a battery pack including a plurality of battery modules; a battery management system (BMS) for monitoring and controlling voltage of each battery cell provided in each battery pack to monitor the status of each battery cell; sensing lines connected between the battery module and the battery management system to sense voltage of each battery cell of each battery pack; and a passive safety device to be connected in series to a terminal of each battery cell provided in each battery pack when a short accident that a closed circuit is formed in the sensing line occurs.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: December 30, 2014
    Assignee: SK Innovation Co., Ltd.
    Inventors: Sei Hoon Cho, Soo Yeup Jang, Young Lim Choi, Sang Hyuck Kim
  • Patent number: 8535094
    Abstract: Disclosure relates to an elastic member mounted in a securing part formed at a male shielded connector or a female shielded connector and configured to establish an electrical connection between the male shielded connector and the female shielded connector when the male shielded connector and the female shielded connector are assembled. The elastic member includes a plate spring having a predetermined length; an elastic piece being elastically deformable and formed by bending a portion of one or both sides of the plate spring in the lengthwise direction of the plate spring; and a fixing member formed on the plate spring and configured to prevent the elastic member from separating from the male shielded connector or the female shielded connector when the male shielded connector and the female shielded connector are disassembled.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: September 17, 2013
    Assignee: LS Cable & System Ltd.
    Inventors: Bok-Hee Youn, Yong-Joon Noh, Sei-Hoon Cho