Patents by Inventor Yoon-Koo LEE

Yoon-Koo LEE 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: 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Publication number: 20210344057
    Abstract: A battery module allows a swelling amount of battery cells accommodated in a module housing to be intuitionally checked. The battery module includes a cell pressing plate accommodated in the module housing and disposed on at least one of both longitudinal side surfaces of a cell stack that is formed by stacking the battery cells; and a swelling gauge provided to protrude from a surface of the cell pressing plate. When the battery cells swell, the swelling gauge is pushed out of the module housing through a gauge hole formed in the module housing so that a swelling amount of the battery cells may be checked.
    Type: Application
    Filed: December 20, 2019
    Publication date: November 4, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Sung-Won SEO, Dal-Mo KANG, Jeong-O MUN, Yoon-Koo LEE, Eun-Ah JU
  • Patent number: 11133542
    Abstract: Disclosed is a battery pack, which includes a plurality of battery modules; a tray giving a space where the plurality of battery modules are placed; a plurality of beam frames installed to traverse an upper surface of the tray to partition spaces where the plurality of battery modules are capable of being individually placed; and a plurality of heatsinks formed to have a hollow structure through which a coolant flows, the plurality of heatsinks being selectively coupled to a part of the plurality of beam frames so as to be disposed to face a side surface of the battery modules, respectively, wherein a heat conduction medium having a louver structure is interposed at a thermal interface of the heatsink and the battery module.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: September 28, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Ho-June Chi, Dal-Mo Kang, Jeong-O Mun, Sung-Won Seo, Yoon-Koo Lee
  • Publication number: 20210296727
    Abstract: Discussed is a battery pack including: a battery module assembly including a plurality of battery modules including a plurality of battery cells; a pack tray on which the battery module assembly is accommodated; and a tray bar arranged on at least one side edge of the pack tray.
    Type: Application
    Filed: November 7, 2019
    Publication date: September 23, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Eun-Ah JU, Dal-Mo KANG, Jeong-O MUN, Sung-Won SEO, Yoon-Koo LEE
  • Patent number: 11114710
    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: Grant
    Filed: February 18, 2019
    Date of Patent: September 7, 2021
    Inventors: Sung-Won Seo, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee, Alexander Eichhorn, Andreas Track
  • Patent number: 11114712
    Abstract: A battery module having an improved cooling structure according to an embodiment of the present disclosure comprises: a pouch cell laminate comprising a first pouch cell and a second pouch cell located adjacent to the first pouch cell; and cooling fins configured to surround the circumference of an accommodation portion of each of the first pouch cell and the second pouch cell.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: September 7, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Yoon-Koo Lee, Mi-Geum Choi, Jeong-O Mun
  • Publication number: 20210218087
    Abstract: A battery module reduces the risk of secondary ignition or explosion and increases durability against external impacts. The battery module includes a plurality of secondary batteries respectively having a gas venting portion for discharging a gas generated therein to the outside at a predetermined pressure and arranged in a front and rear direction in two rows; and a cooling member including a body portion interposed between two rows of the plurality of secondary batteries and having a size corresponding to left and right sides of the plurality of secondary batteries, and a gas discharge portion provided to at least one of an upper portion and a lower portion of the body portion and having a gas discharge passage elongated from a front end to a rear end of the body portion.
    Type: Application
    Filed: May 27, 2020
    Publication date: July 15, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jae-Min YOO, Jeong-O MUN, Eun-Gyu SHIN, Yoon-Koo LEE
  • Publication number: 20210167437
    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 arranged side by side to face each other in at least one direction, a cooling plate located below the plurality of battery cells, and a heat transfer tape adhered to the battery cells to transfer heat of the battery cells to the cooling plate.
    Type: Application
    Filed: February 10, 2021
    Publication date: June 3, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Mi-Geum CHOI, Dal-Mo KANG, Jeong-O MUN, Yoon-Koo LEE
  • Patent number: 10992008
    Abstract: A battery including a pack housing and a plurality of battery modules accommodated in the pack housing, the pack housing has first and second sides, the first and second sides having openings, and the openings of the first side correspond to respective openings of the second side, the pack housing has a plurality of guide grooves, and each battery module is accommodated into or removed from an inner space of the pack housing through a respective opening by sliding along the guide grooves.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: April 27, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Won Seo, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee, Ho-June Chi
  • Patent number: 10981454
    Abstract: Disclosed is a battery module, which includes a plurality of battery cells stacked one another and respectively having electrode leads protruding in the front and rear directions of the battery module, and a bus bar unit configured to integrally connect the electrode leads of the plurality of battery cells.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: April 20, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Mi-Geum Choi, Jeong-O Mun, Yoon-Koo Lee, Dal-Mo Kang
  • Patent number: 10971770
    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 I-type 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 disposed between the battery modules and the I-type beam frames and mounted to recessed portions formed at both side of a column that forms a height of the I-type beam frames to absorb heat from the battery modules.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: April 6, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Won Seo, Jeong-O Mun, Yoon-Koo Lee, Ho-June Chi, Dal-Mo Kang
  • Patent number: 10957949
    Abstract: Disclosed is a battery module, which includes: a cell assembly composed of pouch cells; a bottom plate configured to support the cell assembly and having slits formed therein at predetermined intervals so that edge portions of the pouch cells are put therein; and a side plate provided perpendicular to a plane of the bottom plate and disposed adjacent to an outermost side of the cell assembly, wherein as the edge portions of the pouch cells are put into the slits of the bottom plate, empty spaces are respectively formed between adjacent edge portions, and wherein the empty spaces are used as a cooling channel.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: March 23, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Ji-Su Yoon, Yoon-Koo Lee, Dal-Mo Kang, Sang-Woo Ryu, Jeong-O Mun, Sung-Won Seo