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 Cell Mounting Apparatus and Method Therefor
    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
  • Battery Module with Improved Connection Structure Between Electrode Leads and Method for Manufacturing the Same
    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
  • AUTO-PRESSING JIG APPARATUS FOR PRESSING ELECTRODE LEAD TO BUSBAR
    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
  • Battery Module Having Structure Facilitating Series-Parallel Connections and Battery Pack Comprising Same
    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
  • Battery module with improved frame structure and frame assembly for the battery module
    Patent number: 10770765
    Abstract: Disclosed is a battery module, which includes a cell assembly composed of a plurality of cells, and a frame assembly having a bottom plate supporting the cell assembly from a lower portion, a side plate perpendicular to the bottom plate and disposed adjacent to an outermost side of the cell assembly, and a top plate covering an upper portion of the cell assembly, wherein a groove forming an external air inflow space between the side plate and the cell assembly is formed at the side plate to elongate in a length direction thereof.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: September 8, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Ji-Su Yoon, Dal-Mo Kang, Jeong-O Mun, Mi-Geum Choi, Sung-Won Seo, Hee-Jun Jin, Yoon-Koo Lee, Sang-Woo Ryu
  • LASER WELDING APPARATUS COMPRISING LASER BEAM BLOCKING BLOCK
    Publication number: 20200266416
    Abstract: Provided is a laser welding apparatus configured to weld an electrode lead of at least one secondary battery of a battery module and a main bus bar configured to electrically connect a plurality of secondary batteries to each other. The laser welding apparatus includes: a laser beam emitting unit including a laser emitting element to irradiate a laser beam to the electrode lead and the main bus bar; a pressing jig including a pressing bar configured to move in a left-and-right direction such that the electrode lead is adhered to the main bus bar; and a blocking block movable to block the laser beam generated in the laser beam emitting unit from reaching the at least one secondary battery or movable to allow the generated laser beam to pass therethrough, according to a position of the pressing bar moved in the left-and-right direction.
    Type: Application
    Filed: December 11, 2018
    Publication date: August 20, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jung-Hoon LEE, Kyung-Mo KIM, Jin-Yong PARK, Ho-June CHI, Dal-Mo KANG, Jeong-O MUN
  • Battery module, and battery pack and vehicle comprising the same
    Patent number: 10749226
    Abstract: Disclosed is a battery module, as well as a battery pack and a vehicle comprising the same. The battery module includes a plurality of battery cells, each having an accommodation portion in which an electrode assembly is accommodated and a sealing portion for sealing the accommodation portion, thermal-conductive sheets configured to surround at least a part of the battery cells in surface contact with the battery cells, side cooling fins located at an inner side of the thermal-conductive sheets and at least partially in contact with the accommodation portions of the battery cells, and a cooling plate in contact with the thermal-conductive sheet.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: August 18, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Ho-June Chi, Se-Won Kim, Jeong-O Mun, Byoung-Cheon Jeong
  • Heat dissipation material, method of manufacturing the same, and battery module including the heat dissipation material
    Patent number: 10749227
    Abstract: Provided are a heat dissipation material, a method of manufacturing the same, and a battery module including the same. The heat dissipation material according to an embodiment of the present disclosure may include: a plurality of foam pad members provided to be capable of buffering; and a graphite member configured to surround the foam pad member for heat conduction, wherein the graphite member is provided to surround the plurality of foam pad members, respectively.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: August 18, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Ho-June Chi, Byoung-Cheon Jeong, Jeong-O Mun
  • Battery Cell With Improved Safety
    Publication number: 20200227690
    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: Application
    Filed: January 3, 2018
    Publication date: July 16, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Ji-Su Yoon, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Jae-Uk Ryu
  • Battery Pack
    Publication number: 20200220128
    Abstract: Disclosed is a battery pack including a battery module having a plurality of battery cells, and a heat dissipation member provided in contact with a bus bar at a side surface of the battery module where electrode leads of the battery cells and the bus bar coupled to the electrode leads are disposed.
    Type: Application
    Filed: November 12, 2018
    Publication date: July 9, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Kyung-Mo Kim, Ho-June Chi, Jeong-O Mun, Jin-Yong Park, Jung-Hoon Lee
  • Battery Module Including Sensing Assembly and Bus Bar Assembly
    Publication number: 20200203698
    Abstract: A battery module includes: a cell stack defined by a plurality of battery cells each including a positive electrode lead, a negative electrode lead, and at least one of a sensing negative electrode lead and a sensing positive electrode lead; a bus bar assembly including a plurality of connection bus bars electrically connected to one of the positive and negative electrode leads, a plurality of sensing bus bars electrically connected to the sensing negative electrode lead or the sensing positive electrode lead, and a plurality of bus bar frames including a connection accommodating portion for receiving one of connection bus bars and a sensing accommodating portion for receiving one of sensing bus bars; and a sensing assembly including a sensing frame that receives a circuit board electrically connected to the plurality of connection bus bars and the plurality of sensing bus bars.
    Type: Application
    Filed: November 6, 2018
    Publication date: June 25, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Hee-Jun Jin, Sung-Won Seo, Yoon-Koo Lee, Eun-Ah Ju, Ho-June Chi, Jeong-O Mun
  • Battery Module, Battery Pack Including Battery Module, and Vehicle Including Battery Pack
    Publication number: 20200194851
    Abstract: A battery module includes: a plurality of battery cells; a top plate configured to cover an upper side of the battery cells; a bottom plate configured to cover a lower side of the battery cells; a pair of side plates configured to cover both side surfaces of the battery cells; a bus bar unit configured to cover a front side and a rear side of the battery cells, the bus bar being electrically connected to the battery cells; and a pair of heatsinks each having a coolant injection portion and a coolant discharge portion protruding out of the battery module. The pair of heat sinks are provided at the upper side and the lower side of the battery cells, respectively.
    Type: Application
    Filed: February 18, 2019
    Publication date: June 18, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Sung-Won Seo, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee, Alexander Eichhorn, Andreas Track
  • Battery Module Integrated with Battery Cell Cooling and Fixing Structure, and Battery Pack Including Same
    Publication number: 20200194853
    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: Application
    Filed: September 27, 2018
    Publication date: June 18, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Min Yoo, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Jae-Uk Ryu, Ji-Su Yoon
  • BATTERY PACK HAVING CRASH BEAM AND DRAIN STRUCTURE
    Publication number: 20200185672
    Abstract: A battery pack including a plurality of battery modules; a tray including an interior space where the plurality of battery modules are positioned; a plurality of beam frames traversing an upper surface of the tray to partition spaces where the plurality of battery modules are positioned; and a plurality of heatsinks having a hollow structure through which a coolant flows, wherein each heatsink is coupled to a part of a respective one of the plurality of beam frames and faces a side surface of a respective one of the plurality of battery modules, at least one drainage hole is provided at the tray and at least one drainage hole is provided at the beam frame, and the at least one drainage hole of the tray and the at least one drainage hole of the beam frame are provided below the heatsink.
    Type: Application
    Filed: March 26, 2018
    Publication date: June 11, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Sung-Won SEO, Jeong-O MUN, Yoon-Koo LEE, Ho-June CHI, Dal-Mo KANG
  • BUS BAR INCLUDING CURRENT BREAKING PORTION AND BATTERY MODULE INCLUDING THE SAME
    Publication number: 20200168887
    Abstract: A bus bar capable of effectively securing safety of a battery module when an overcurrent is generated includes: a main body portion that includes a first metal, has a stepped structure, in which an outer surface of the main body portion in an outward direction of the battery module is recessed in an inward direction, formed in one region, and is configured to be electrically connected to at least one secondary battery; a current breaking portion that is inserted into a space formed by the stepped structure and includes a second metal having a melting point relatively lower than a melting point of the first metal; and a covering member configured to surround at least a part of an outer surface of the current breaking portion. A battery module including the bus bar is also provided.
    Type: Application
    Filed: January 21, 2019
    Publication date: May 28, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Min Yoo, Min-Ho Kwon, Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
  • Battery Module Having Improved Cooling Structure
    Publication number: 20200168864
    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: Application
    Filed: December 5, 2018
    Publication date: May 28, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Sung-Won Seo, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee
  • Battery module
    Patent number: 10665834
    Abstract: Disclosed is a battery module, which comprises a cell assembly including a plurality of battery cell groups, in each of which a plurality of battery cells respectively having protrusions protruding in a left and right direction on at least one of one end and the other end thereof are stacked in an upper and lower direction, wherein the protrusion of any one battery cell group among the plurality of battery cell groups is inserted and coupled between the protrusions of another battery cell group, wherein a step is formed between adjacent battery cell groups in an upper and lower direction; and end plates respectively disposed at upper and lower portions of the cell assembly.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: May 26, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hee-Jun Jin, Sung-Won Seo, Yoon-Koo Lee, Eun-Ah Ju, Jeong-O Mun, Mi-Geum Choi
  • APPARATUS FOR PREDICTING DEFORMATION OF BATTERY MODULE
    Publication number: 20200158596
    Abstract: An apparatus for predicting a degree of deformation of a battery module, caused by swelling of a secondary battery. The battery module includes at least one secondary battery in a module case. The apparatus includes a cell evaluation module configured to derive a relationship between a thickness change amount and a reaction force for a single secondary battery; a case evaluation module configured to derive a relationship between a load applied to the module case and a width change amount of the module case; and a prediction module configured to predict a deformation amount of the battery module by using the relationship between the thickness change amount and the reaction force of the secondary battery, derived by the cell evaluation module, and the relationship between the load and the width change amount of the module case, derived by the case evaluation module.
    Type: Application
    Filed: January 23, 2018
    Publication date: May 21, 2020
    Applicant: 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
  • CYLINDRICAL SECONDARY BATTERY MODULE
    Publication number: 20200161598
    Abstract: A cylindrical secondary battery module including a plurality of cylindrical secondary battery cells respectively having a battery case in which an electrode assembly and an electrolyte are accommodated; a cell frame at which the plurality of cylindrical secondary battery cells are disposed; and a bus bar electrically connected to the plurality of cylindrical secondary battery cells and having a fusing portion, wherein the bus bar has a plurality of layers made of different materials from each other.
    Type: Application
    Filed: November 12, 2018
    Publication date: May 21, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jae-Min YOO, Dal-Mo KANG, Su-Chang KIM, Jeong-O MUN, Jae-Uk RYU, Ji-Su YOON
  • Battery module
    Patent number: 10658716
    Abstract: The present disclosure relates to a battery module having stable strength and rigidity, high sealability and assemblability, and improved productivity. The battery module of the present disclosure includes: a cell assembly; a cooling plate; a front cover having a lower portion welded to the cooling plate; a rear cover having a lower portion welded to the cooling plate; a left side cover having a lower end portion welded to the cooling plate and a rear end portion welded to the rear cover; a right side cover having a lower end portion welded to the cooling plate, a front end portion welded to the front cover, and a rear end portion welded to the rear cover; and an upper plate having a left end portion welded to the left side cover and a right end portion welded to the right side cover.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: May 19, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jong-Young Lee, Eun-Gyu Shin, Jeong-O Mun, Yoon-Koo Lee, Hang-June Choi