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).

  • BATTERY RACK AND POWER STORAGE DEVICE COMPRISING SAME
    Publication number: 20220102792
    Abstract: A battery pack includes a plurality of battery modules, each having at least one battery cell, a rack case configured to accommodate the plurality of battery modules, and a fire proof unit mounted to be spaced apart from each other by a predetermined distance along a vertical direction of the rack case and configured to support the battery modules and prevent flame and heat from propagating to adjacent battery modules when a fire occurs in at least one of the plurality of battery modules.
    Type: Application
    Filed: May 12, 2020
    Publication date: March 31, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min YOO, Jeong-O MUN, Eun-Gyu SHIN, Yoon-Koo LEE
  • Battery housing and battery module comprising same
    Patent number: 11289765
    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: Grant
    Filed: March 4, 2019
    Date of Patent: March 29, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jin-Yong Park, Jeong-O Mun, Ho-June Chi, Kyung-Mo Kim, Seung-Joon Kim, Jung-Been You, Jung-Hoon Lee
  • Battery module having bus bar assembly
    Patent number: 11289776
    Abstract: A battery module allows improved manufacturing due to easy electric connection between a bus bar assembly and secondary batteries. The battery module includes a cell stack formed by stacking a plurality of secondary batteries having electrode leads on each other in a stacking direction; and a bus bar assembly including a connection bus bar contacting two or more of the electrode leads of the plurality of secondary batteries and having an insert groove formed so that at least one of the electrode leads is inserted therein, and a coupling bus bar coupled to the connection bus bar and having a rear surface formed to press the at least one of the electrode leads inserted in the insert groove.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: March 29, 2022
    Inventors: Hee-Jun Jin, Sung-Won Seo, Yoon-Koo Lee, Eun-Ah Ju, Jeong-O Mun
  • Battery module integrated with battery cell cooling and fixing structure, and battery pack including same
    Patent number: 11283118
    Abstract: A battery module includes a plurality of cylindrical battery cells and a first fixing frame configured to support the cylindrical battery cells so that the cylindrical battery cells are oriented vertically. The first fixing frame includes cell bottom holders provided at predetermined locations on a plate having a tray shape so that the cylindrical battery cells can be inserted therein in a vertical orientation; and perforation holes formed between the cell bottom holders so as to be open in a vertical direction, wherein the battery module comprises a thermally conductive adhesive solution introduced through the perforation holes from a lower portion of the first fixing frame to an upper portion thereof.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: March 22, 2022
    Inventors: Jae-Min Yoo, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Jae-Uk Ryu, Ji-Su Yoon
  • Battery cell with improved safety
    Patent number: 11264661
    Abstract: Disclosed is a battery cell, which includes: an electrode assembly; an electrode lead connected to the electrode assembly; a pouch case surrounding the electrode assembly and sealed in a state in which the electrode lead extends through the pouch case and is exposed at an outside surface of the pouch case; and a fire extinguishing unit disposed in the pouch case and configured to eject a fire extinguishing powder when a temperature of the first extinguishing unit is equal to or greater than a predetermined limit temperature.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: March 1, 2022
    Inventors: Ji-Su Yoon, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Jae-Uk Ryu
  • Battery module having improved cooling structure
    Patent number: 11264668
    Abstract: A battery module includes a cell stack defined by a stack of a plurality of battery cells; and a module housing configured to accommodate the cell stack. The module housing has a lower housing, a pair of side housings, a pair of front and rear housings, and an upper housing. The lower housing may include a base plate configured to cover a lower surface of the cell stack; a spacer interposed between the cell stack and the base plate to partially cover the lower surface of the cell stack; a supply tube connected to the spacer to supply a cooling medium through the inside of the spacer to an empty space defined between the cell stack and the base plate; and a discharge tube connected to the spacer to discharge the cooling medium from the empty space and the spacer.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: March 1, 2022
    Inventors: Sung-Won Seo, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee
  • Battery pack having expandable battery module structure
    Patent number: 11264670
    Abstract: Disclosed is a battery pack, which includes a plurality of unit battery modules, each unit battery module having a plurality of battery cells accommodated in an inner space thereof, the plurality of unit battery modules being structurally connected successively in one direction; and a pack case configured to cover the plurality of unit battery modules, wherein each unit battery module has two side plates forming opposite side surfaces thereof, and wherein one of the side plates of any one of the unit battery modules and one of the side plates of another one of the unit battery modules adjacent thereto are engaged with each other to form a single common wall.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: March 1, 2022
    Inventors: Ho-June Chi, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee, Jin-Yong Park, Sung-Won Seo, Dong-Yeon Kim, Jin-Hak Kong, Yong-Seok Choi
  • Battery module, and battery pack and vehicle comprising same
    Patent number: 11251505
    Abstract: A battery module according to the present disclosure includes a cell assembly including a plurality of battery cells stacked in a vertical direction, each battery cell having an electrode lead in a shape of a plate that protrudes forward in a depth direction perpendicular to the vertical direction, the electrode lead being bent for surface contact in the vertical direction with an adjacent electrode lead, the electrode lead having a protruding part that protrudes forward in the depth direction from a front side end thereof, and a sensing terminal module having a plurality of sensing terminals made of an electrically conductive material and a plurality terminal seating holes in which corresponding ones of the sensing terminals are seated and supported, the protruding part of each electrode lead being press-fit into a corresponding one of the sensing terminals which compresses around the protruding part.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: February 15, 2022
    Inventors: Eun-Gyu Shin, Jung-Hoon Lee, Jeong-O Mun, Byoung-Cheon Jeong
  • Battery module with improved connection structure between electrode leads and method for manufacturing the same
    Patent number: 11245161
    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: Grant
    Filed: March 5, 2018
    Date of Patent: February 8, 2022
    Inventors: Tai-Jin Jung, Dal-Mo Kang, Jeong-O Mun, Byoung-Cheon Jeong
  • Pouch exterior material for secondary battery, pouch type secondary battery using the same, and method of manufacturing the same
    Patent number: 11239515
    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: Grant
    Filed: July 10, 2018
    Date of Patent: February 1, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Tai-Jin Jung, Byoung-Cheon Jeong, Dal-Mo Kang, Jeong-O Mun
  • BATTERY PACK WITH ENERGY DRAIN RESISTOR FOR PREVENTING FIRE PROPAGATION
    Publication number: 20220021090
    Abstract: A battery pack includes a plurality of battery modules arranged along at least one direction, a resistor connected to an abnormal battery module that operates abnormally among the battery modules to absorb energy, an event detector provided to detect the abnormal battery module, a switch to connect or disconnect each of the battery modules to/from the resistor to selectively form a closed circuit, and a controller to receive information from the event detector and control the switch to form a current path between the abnormal battery module and the resistor.
    Type: Application
    Filed: June 4, 2020
    Publication date: January 20, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Eun-Gyu SHIN, Jeong-O MUN, Jae-Min YOO, Yoon-Koo LEE
  • BATTERY MODULE INCLUDING BASE PLATE HAVING GAS DISCHARGE PASSAGE, AND BATTERY PACK AND ENERGY STORAGE SYSTEM INCLUDING THE SAME
    Publication number: 20220021060
    Abstract: A battery module reduces the risk of secondary ignition or explosion and increases cooling efficiency. The battery module includes a cell assembly having a plurality of secondary batteries stacked on each other in a front and rear direction; and a base plate configured such that the plurality of secondary batteries of the cell assembly are mounted to an upper portion thereof, the base plate including at least one gas discharge passage having a sidewall elongated in the front and rear direction to communicate with the outside and an open portion formed by a top of the sidewall in one direction and at least one anti-inflammatory mesh sheet configured to cover the open portion.
    Type: Application
    Filed: May 27, 2020
    Publication date: January 20, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min YOO, Jeong-O MUN, Eun-Gyu SHIN, Yoon-Koo LEE
  • Battery module comprising bus bar assembly
    Patent number: 11223092
    Abstract: The battery module includes: a cell assembly; and an improved bus bar assembly to provide electric connection between a plurality of secondary batteries of the cell assembly, wherein the bus bar assembly includes: a first insulating frame having one or more insertion portions and including an electrically insulating material; a second insulating frame mounted on the front surface of the first insulating frame and including an electrically insulating material; a first bus bar mounted on the first insulating frame, contacting one of the plurality of electrode leads inserted into each of the one or more insertion portions, and including an electrically conductive material; and a second bus bar mounted on the second insulating frame, contacting one of the plurality of electrode leads inserted into each of the one or more insertion portions, and including an electrically conductive material.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: January 11, 2022
    Inventors: Hee-Jun Jin, Sung-Won Seo, Yoon-Koo Lee, Eun-Ah Ju, Jeong-O Mun
  • BATTERY RACK AND POWER STORAGE DEVICE COMPRISING SAME
    Publication number: 20220006139
    Abstract: A battery rack includes a plurality of battery modules stacked on each other in a vertical direction; a rack case configured to accommodate the plurality of battery modules; and at least one firewall provided to at least one of both side surfaces of the rack case to prevent flame and heat from propagating toward an adjacent battery rack when a fire occurs.
    Type: Application
    Filed: May 12, 2020
    Publication date: January 6, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min YOO, Jeong-O MUN, Eun-Gyu SHIN, Yoon-Koo LEE
  • Pouch casing material for secondary battery
    Patent number: 11217815
    Abstract: The present disclosure relates to a pouch casing material including two cups forming an electrode assembly receiving portion and formed integrally in one pouch film. The pouch casing material includes an upper pouch member and a lower pouch member formed integrally with each other, and the connection between the upper pouch member and the lower pouch member does not protrude toward the outside. Thus, the total length of a battery is reduced.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: January 4, 2022
    Inventors: Mi-Geum Choi, Hang-June Choi, Jeong-O Mun
  • Battery module having enhanced electrical connection stability
    Patent number: 11217864
    Abstract: A battery module is provided. The battery module includes pouch-type battery cells stacked on each other and electrically connected in series and/or in parallel. Toward an electrode lead of one pouch-type battery cell, electrode leads of other pouch-type battery cells are biased to allow ends of the electrode leads to be overlapped. In particular, each of the pouch-type battery cells has an R bending portion at which a boundary region between a terrace of a pouch case and the electrode leads is bent toward a direction in which the electrode leads are biased.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: January 4, 2022
    Inventors: Kyung-Mo Kim, Jeong-O Mun, Ho-June Chi, Hang-June Choi
  • Battery pack
    Patent number: 11205817
    Abstract: Disclosed is a battery pack. The battery pack includes: a plurality of battery modules each having a plurality of battery cells therein; and a guide member coupled to each of the battery modules, the guide member being configured to guide movement of the battery modules when the plurality of battery modules are assembled adjacent to one another.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: December 21, 2021
    Inventors: Ho-June Chi, Dal-Mo Kang, Jin-Hak Kong, Jeong-O Mun, Jin-Yong Park
  • Battery module, and battery pack and vehicle comprising same
    Patent number: 11196120
    Abstract: A battery module includes: a first battery cell assembly having at least one battery cell; a second battery cell assembly spaced apart from the first battery cell assembly by a predetermined distance and having at least one battery cell; a bottom plate configured to integrally support the second battery cell assembly and the first battery cell assembly; and a top plate disposed above the bottom plate to integrally cover the first battery cell assembly and the second battery cell assembly.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: December 7, 2021
    Inventors: Eun-Ah Ju, Sung-Won Seo, Yoon-Koo Lee, Hee-Jun Jin, Jeong-O Mun, Alexander Eichhorn, Andreas Track, Valentin Brokop
  • Apparatus for sealing pouch case
    Patent number: 11196117
    Abstract: A pouch case sealing apparatus for sealing a pouch case that includes a pouch body for accommodating an electrode assembly of a battery cell and a pouch terrace extending from the pouch body is provided. The pouch case sealing apparatus includes: a pair of sealing jigs, each sealing jig having a pressing surface, the pair of sealing jigs being configured to press and thermally fuse the pouch terrace from upper and lower directions of the pouch terrace so that the pouch case is sealed; and a pair of terrace anti-protruding units formed at respective pressing surfaces of the pair of sealing jigs to prevent an end portion of the pouch terrace from protruding beyond the pouch body in a horizontal direction of the pouch body when the pouch terrace is pressed and thermally fused. A method for sealing a pouch case is also provided.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: December 7, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Tai-Jin Jung, Dal-Mo Kang, Jeong-O Mun, Eun-Gyu Shin
  • Air-cooling battery pack having improved assembling structure
    Patent number: 11177517
    Abstract: Disclosed is an air-cooling battery pack, which includes a cell assembly having a plurality of cells stacked therein; an air duct disposed to contact the cell assembly and having an air passage formed therein to allow a cooling air to move therethrough; a coupling groove formed at the air duct to elongate in a longitudinal direction; and a battery management system (BMS) plate having a BMS for managing the cells and assembled to the air duct by a slider slidably inserted into the coupling groove.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: November 16, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Jung-Hoon Lee, Eun-Gyu Shin, Byoung-Cheon Jeong, Dal-Mo Kang, Jeong-O Mun