Patents by Inventor Jeong-O MUN

Jeong-O MUN 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: 20200388805
    Abstract: A battery module having excellent cooling efficiency and allowing easy recycling of inner components at disposal applies a heat-shrinkable tube serving as a module housing and a heatsink to the battery module. The battery module includes a cell assembly including a plurality of pouch-type secondary batteries having electrode leads formed to protrude in a front and rear direction and stacked on each other in a left and right direction; a heatsink located to contact an outer surface of the cell assembly and having a coolant flow path for allowing a coolant to move therein; and a heat-shrinkable tube having a tubular shape with a hollow structure in which the cell assembly and the heatsink are located, the heat-shrinkable tube being thermally shrunken so that the cell assembly and the heatsink are in contact with each other.
    Type: Application
    Filed: August 26, 2019
    Publication date: December 10, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Min Yoo, Eun-Gyu Shin, Jeong-O Mun, Yoon-Koo Lee
  • Patent number: 10862181
    Abstract: Disclosed is a battery pack, which includes a battery cell assembly having at least one battery cell; a pack casing having an input port and an output port provided at one side thereof so that a coolant flows in and out to cool the battery cell, the pack casing accommodating the battery cell assembly to fix and support the battery cell assembly; and a coolant supply and circulation unit connected to communicate with the input port and the output port to supply and circulate the coolant into the pack casing so that each battery cell is cooled in contact with the coolant.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: December 8, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Yoon-Koo Lee, Jeong-O Mun, Mi-Geum Choi
  • Patent number: 10862095
    Abstract: Disclosed is a battery module, which includes a plurality of battery cells, each having an electrode lead; and a bus bar configured to electrically the electrode leads of the plurality of battery cells, the bus bar having a plurality of insert slits into which the electrode leads are inserted, and legs formed at both sides of each insert slit, wherein the legs located adjacent to each other with the insert slit being interposed therebetween are directly bonded to each other by a welding portion or connected to each other by a solder in a state of being pressed toward each other.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: December 8, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jin-Yong Park, Sang-Woo Ryu, Jeong-O Mun, Jung-Hoon Lee, Ho-June Chi
  • Publication number: 20200381684
    Abstract: A battery module which includes a battery cell stack in which a plurality of battery cells are stacked; and a housing configured to accommodate the battery cell stack, wherein a disassembling guide for disassembling the housing is formed at the housing.
    Type: Application
    Filed: February 20, 2019
    Publication date: December 3, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Hee-Jun JIN, Eun-Gyu SHIN, Jae-Min YOO, Jeong-O MUN, Ho-June CHI
  • Publication number: 20200381691
    Abstract: A battery module includes a battery cell stack having a plurality of stacked battery cells and a plurality of bus bars respectively coupled to electrode leads provided at the plurality of battery cells. Each bus bar includes a frame on which the electrode lead of the battery cell is placed and a conductive member coupled to the frame and electrically coupled to the electrode lead.
    Type: Application
    Filed: January 8, 2018
    Publication date: December 3, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Ho-June CHI, Dal-Mo KANG, Jeong-O MUN, Jin-Yong PARK, Jung-Hoon LEE
  • Patent number: 10854936
    Abstract: A battery module includes a plurality of battery cells stacked on one another, a cell housing configured to accommodate the plurality of battery cells, a top plate configured to cover an entire upper side of the cell housing and electrically connected to any one of positive electrodes and negative electrodes of the plurality of battery cells, and a bottom plate disposed to face the top plate and configured to cover an entire lower side of the cell housing and electrically connected to the other of the positive electrodes and the negative electrodes of the plurality of battery cells.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: December 1, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Uk Ryu, Ji-Su Yoon, Dal-Mo Kang, Jeong-O Mun
  • Publication number: 20200368855
    Abstract: Disclosed is a pressing jig for welding an electrode lead located in a lead slit formed at the bus bar to the bus bar in a closely adhered state. The pressing jig includes a first frame having a first distance adjusting unit and a first pressing unit, and a second frame having a second distance adjusting unit facing the first distance adjusting unit and a second pressing unit facing the first pressing unit. The first frame and the second frame are coupled so that a distance between first pressing unit and the second pressing unit is increased when a distance between the first distance adjusting unit and the second distance adjusting unit is decreased, and the distance between first pressing unit and the second pressing unit is decreased when the distance between the first distance adjusting unit and the second distance adjusting unit is increased.
    Type: Application
    Filed: February 20, 2019
    Publication date: November 26, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Kyung-Mo KIM, Jeong-O MUN, Jin-Yong PARK, Jung-Hoon LEE, Ho-June CHI
  • Publication number: 20200373528
    Abstract: Disclosed is a battery housing. The battery housing includes a plurality of covers coupled to each other to form a space in which the battery is accommodated, the plurality of covers having a first cover and a second cover disposed adjacent to the first cover and coupled to the first cover; and a coupling rod configured to couple the first cover and the second cover.
    Type: Application
    Filed: March 4, 2019
    Publication date: November 26, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jin-Yong PARK, Jeong-O MUN, Ho-June CHI, Kyung-Mo KIM, Seung-Joon KIM, Jung-Been YOU, Jung-Hoon LEE
  • Publication number: 20200373608
    Abstract: An apparatus for mounting a battery cell mounts a battery cell stack to a frame that includes a base cover and a pair of side covers respectively extending from both ends of the base cover. The apparatus includes a support member to support the battery cell stack, a roller member around which a film fixed to the support member is wound, and a film guide member configured to move the film into the frame. When the film guide member moves the film into the frame, the support member and the frame move toward each other, and the battery cell stack is movable along the film to be mounted to the frame.
    Type: Application
    Filed: February 22, 2019
    Publication date: November 26, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Kyung-Mo Kim, Jeong-O Mun, Ho-June Chi
  • Patent number: 10845181
    Abstract: Disclosed is an apparatus capable of effectively and accurately predicting a deformation characteristic in relation to swelling of a secondary battery. The secondary battery evaluation apparatus includes a fixed jig configured to hold a first secondary battery and restrict swelling of the held first secondary battery, the fixed jig measuring a change in a first reaction force of the first secondary battery according to charging and discharging cycles; a variable jig configured to hold a second secondary battery and allow swelling of the held second secondary battery, the variable jig measuring a second reaction force and a first thickness change amount of the second secondary battery according to charging and discharging cycles; and a deriving unit configured to derive a relationship between the first reaction force measured by the fixed jig and the second reaction force and the first thickness change amount measured by the variable jig.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: November 24, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Dong-Yeon Kim, Jin-Hak Kong, Yong-Seok Choi, Sung-Won Seo, Yoon-Koo Lee, Dal-Mo Kang, Jeong-O Mun
  • Patent number: 10847770
    Abstract: Disclosed is a battery module having a simple structure and allowing reduction in weight and size to be facilitated and manufacturing costs to be reduced while securing an efficient cooling capability. The battery module includes: a plurality of pouch-type secondary batteries, which each include an electrode assembly, an electrolyte, and a pouch exterior and are arranged in a left-and-right direction while standing in an up-and-down direction; and a cooling plate including a thermally conductive material, arranged under the plurality of pouch-type secondary batteries to lie in a horizontal direction, and having an upper surface to which lower portions of the secondary batteries are attached and fixed.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: November 24, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Eun-Gyu Shin, Jeong-O Mun, Dal-Mo Kang, Mi-Geum Choi
  • Publication number: 20200365836
    Abstract: A pouch exterior material that enables an electrode assembly to be easily mounted on an accommodating portion at a proper position, having an integrated shape and including an inserting portion provided at a center of the pouch exterior material and having a width equal to a thickness of the electrode assembly, accommodating portions provided symmetrically at two sides of the inserting portion and gradually deepening from a portion corresponding to a width center of the electrode assembly towards a portion corresponding to an edge of the electrode assembly, and a triangular stepped portion provided at two ends of the inserting portion and having a depth gradually decreasing towards an end.
    Type: Application
    Filed: July 10, 2018
    Publication date: November 19, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Tai-Jin JUNG, Byoung-Cheon JEONG, Dal-Mo KANG, Jeong-O MUN
  • Publication number: 20200365863
    Abstract: Provided is an automatic pressing jig apparatus including: a plurality of contacting units configured to simultaneously press each of a plurality of bus bars provided in a battery module and press an end of a lead assembly from a top of the plurality of bus bars to prevent the lead assembly from protruding from a surface of the plurality of bus bars; a pair of pressing units connected to the plurality of contacting units and configured to adjust a pressing force of the plurality of contacting units with respect to the plurality of bus bars; a support frame supporting the pair of pressing units; and a distance adjusting unit connected to the support frame and configured to ascend or descend the support frame to move the plurality of contacting units away from or close to the battery module.
    Type: Application
    Filed: March 19, 2019
    Publication date: November 19, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Kyung-Mo KIM, Jeong-O MUN, Jin-Yong PARK, Jung-Hoon LEE, Ho-June CHI
  • Publication number: 20200350547
    Abstract: A bus bar assembly for electrically connecting a plurality of battery cells having electrode leads includes a fixed bus bar provided in the form of a rod-shaped conductor; a pair of movable bus bars disposed to be spaced from both sides of the fixed bus bar in a lateral direction with the fixed bus bar being interposed therebetween to form a fitting space respectively between the pair of movable bus bars and the fixed bus bar so that at least one electrode lead can be inserted therein; and an adhering member configured to move the pair of movable bus bars close to the fixed bus bar when an electrode lead is located in each fitting space so that the electrode leads can be adhered to the fixed bus bar.
    Type: Application
    Filed: September 3, 2018
    Publication date: November 5, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Ho-June Chi, Kyung-Mo Kim, Jeong-O Mun, Jin-Yong Park, Jung-Hoon Lee
  • Publication number: 20200343499
    Abstract: A battery module includes a heat-shrinkable tube serving as a module housing. The battery module includes a cell assembly having a plurality of pouch-type secondary batteries; a bus bar assembly having a bus bar frame and a bus bar mounted to an outer surface of the bus bar frame; and a heat-shrinkable tube formed to be shrunk by heat and configured so that the cell assembly is located therein, the heat-shrinkable tube being provided to surround a side surface of the cell assembly and a portion of the bus bar assembly.
    Type: Application
    Filed: July 3, 2019
    Publication date: October 29, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Min Yoo, Eun-Gyu Shin, Hee-Jun Jin, Dal-Mo Kang, Jeong-O Mun
  • Patent number: 10807479
    Abstract: Disclosed herein is a battery charging system of an electric vehicle charging station, the battery charging system including: a charging unit configured to supply an electrical power to charge a battery of an electric vehicle; a charging cable connected to the charging unit and having a connector attached thereto to correspond to an inlet of the electric vehicle; and a cooling unit disposed at a location where the electric vehicle is parked in charging to supply a cooling air toward the battery of the electric vehicle.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: October 20, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sang-Woo Ryu, Sung-Won Seo, Jeong-O Mun, Ji-Su Yoon, Yoon-Koo Lee, Hee-Jun Jin, Mi-Geum Choi
  • Publication number: 20200303697
    Abstract: An apparatus mounts a battery cell stack to a frame that includes a base cover and a pair of side covers respectively extending from both ends of the base cover. The apparatus includes a support member to support the battery cell stack, and two films, wherein one side of each of the two films is respectively attachable to one of the pair of side covers of the frame, and another side of each of the two films is respectively attachable to one of two side surfaces of the battery cell stack, wherein, when the support member and the frame move toward each other, the two films are movable into the frame, and the battery cell stack is movable along the two films to be mounted to the frame.
    Type: Application
    Filed: February 22, 2019
    Publication date: September 24, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Kyung-Mo Kim, Jeong-O Mun, Ho-June Chi
  • Publication number: 20200303710
    Abstract: Provided is a battery module in which a connection structure between electrode leads is changed to prevent a heat generation phenomenon when overcharged and to allow easy connection and disconnection between secondary batteries, and a method for manufacturing the same. The battery module according to the present disclosure includes a secondary battery stack formed by stacking a plurality of secondary batteries having electrode leads, wherein each electrode lead protrudes from the corresponding secondary battery, and each electrode lead has a bent part, and the bent parts of opposite-polarity electrode leads of neighboring secondary batteries are stacked with an elastic body interposed therebetween, and the corresponding stacked part is fastened by an insulating bolt including a washer, with the elastic body being compressed.
    Type: Application
    Filed: March 5, 2018
    Publication date: September 24, 2020
    Applicants: LG Chem, Ltd., LG Chem, Ltd.
    Inventors: Tai-Jin Jung, Dal-Mo Kang, Jeong-O Mun, Byoung-Cheon Jeong
  • Publication number: 20200290162
    Abstract: Disclosed is an automatic pressing jig apparatus including a plurality of pressing units configured to simultaneously press a plurality of bus bars provided in the battery module, the plurality of pressing units pressing an end portion of a lead assembly from an upper portion of the bus bar so that the lead assembly does not protrude through a lead slit of a bus bar among the plurality of bus bars; a support plate connected to one end portion of the plurality of pressing units to support the plurality of pressing units; and a distance adjusting unit connected to the support plate to move the support plate so that the plurality of pressing units are moved away from or closer to the battery module.
    Type: Application
    Filed: April 2, 2019
    Publication date: September 17, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Kyung-Mo KIM, Jeong-O MUN, Jin-Yong PARK, Jung-Hoon LEE, Ho-June CHI
  • Publication number: 20200295337
    Abstract: A battery module includes: a unit module stack formed by stacking a plurality of unit modules, each of which has a battery cell, a bus bar attached to an electrode lead provided to the battery cell, and a bus bar frame attached to a terrace portion of the battery cell to accommodate at least a portion of the electrode lead and the bus bar, wherein each bus bar frame includes a connector holder; and a connector fixed by the connector holders of at least two unit modules of the plurality of unit modules to contact the bus bar.
    Type: Application
    Filed: February 21, 2019
    Publication date: September 17, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jung-Been You, Dal-Mo Kang, Jeong-O Mun, Jae-Uk Ryu, Ho-June Chi