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: 20210083254
    Abstract: A unit module includes: a battery cell having an electrode assembly, a cell case for accommodating the electrode assembly, and an electrode lead connected to the electrode assembly and drawn out of the cell case; a bus bar attached to the electrode lead; 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 therein, the bus bar frame pressing the electrode lead and the bus bar so that the electrode lead and the bus bar are adhered to each other, the bus bar frame having a welding slit formed at a location corresponding to the bus bar and the electrode lead so that a contact portion of the bus bar and the electrode lead is exposed out of the bus bar frame.
    Type: Application
    Filed: February 21, 2019
    Publication date: March 18, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jung-Been You, Dal-Mo Kang, Jeong-O Mun, Jae-Uk Ryu, Ho-June Chi
  • Publication number: 20210083342
    Abstract: A battery module includes: a plurality of battery cells stacked to face each other; a plurality of cell cartridges stacked to surround the plurality of battery cells; and a plurality of PCM capsules disposed in the cell cartridges and each containing a phase change material (PCM) therein.
    Type: Application
    Filed: August 26, 2019
    Publication date: March 18, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Uk RYU, Min-Ho KWON, Dal-Mo KANG, Jeong-O MUN
  • Patent number: 10950905
    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: Grant
    Filed: December 20, 2016
    Date of Patent: March 16, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Mi-Geum Choi, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee
  • Publication number: 20210066676
    Abstract: Disclosed are a pouch exterior capable of easily mounting an electrode assembly at an accurate position between accommodating parts, having an integrated form to minimize sealing parts contacting the air and to increase a lifetime of a battery, capable of preventing a rupture of the pouch exterior in an assembly process, and capable of increasing an energy density of a cell, a pouch-type secondary battery using the pouch exterior, and a method of manufacturing the pouch-type secondary battery. A pouch exterior for a secondary battery, according to the present disclosure, includes two corresponding accommodating parts configured to mount an electrode assembly therebetween and symmetrically formed at both sides by disposing a protruding part therebetween, and is folded along two folding lines outside a center pan of the protruding part by vertically mounting a side surface of the electrode assembly on the protruding part, such that folded parts surround side edges of the electrode assembly.
    Type: Application
    Filed: November 12, 2020
    Publication date: March 4, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Tai-Jin JUNG, Jeong-O MUN, Byoung-Cheon JEONG
  • Patent number: 10938012
    Abstract: A battery module comprising a first battery group having at least one secondary battery; a second battery group having at least one secondary battery that does not belong to the first battery group; a first bus bar to which an electrode lead of the secondary battery belonging to the first battery group is contacted and coupled; a second bus bar spaced apart from the first bus bar so that an electrode lead of the secondary battery belonging to the second battery group is contacted and coupled thereto; a sub bus bar interposed between the first bus bar and the second bus bar to electrically connect the first bus bar and the second bus bar; and an elastic member having a portion coupled and fixed to the sub bus bar to give a restoring force for separating the sub bus bar from the first bus bar and the second bus bar.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: March 2, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Jae-Uk Ryu, Ji-Su Yoon, Dal-Mo Kang, Jeong-O Mun
  • Publication number: 20210050635
    Abstract: A battery cell assembly includes a plurality of cylindrical cell blocks, each of the plurality of cylindrical cell blocks including a plurality of cylindrical a cells, a block cover configured to cover an upper side of the plurality of cylindrical cell blocks and electrically connect the plurality of cylindrical cell blocks, a cooling plate located opposite to the block cover and disposed at a lower side of the plurality of cylindrical cell blocks; and blocks and a heat transfer member disposed between the cooling plate and the plurality of cylindrical cell blocks and having a plurality of thermal interface materials corresponding to bottom portions of the plurality of cylindrical cells.
    Type: Application
    Filed: September 10, 2019
    Publication date: February 18, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jung-Hoon LEE, Jae-Uk RYU, Dal-Mo KANG, Min-Ho KWON, Jeong-O MUN
  • Patent number: 10923778
    Abstract: Disclosed is a battery cell, which includes an electrode assembly, a battery case having a case body for accommodating the electrode assembly and a case terrace extending from the case body, a pair of electrode leads configured to protrude out of the battery case and electrically connected to the electrode assembly, and an overcharge cut-off unit provided in the case terrace to prevent overcharge of the battery cell.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: February 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Ji-Su Yoon, Dal-Mo Kang, Jeong-O Mun, Jae-Uk Ryu
  • Publication number: 20210043910
    Abstract: A battery cell includes an electrode assembly, a pair of electrode leads electrically connected to the electrode assembly, a battery case configured to accommodate the pair of electrode leads such that the pair of electrode leads protrude at least partially in a front and rear direction of the battery cell, the battery case having an accommodation space formed to accommodate the electrode assembly, and a taping unit configured to integrally cover both side surfaces and upper and lower surfaces of the battery case.
    Type: Application
    Filed: January 20, 2020
    Publication date: February 11, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Eun-Gyu SHIN, Jae-Min YOO, Yoon-Koo LEE, Dal-Mo KANG, Jeong-O MUN
  • Publication number: 20210036277
    Abstract: A battery module includes: a battery cell assembly having a plurality of battery cells; a top plate configured to cover an upper side of the battery cell assembly; a bottom plate configured to cover a lower side of the battery cell assembly; a sensing assembly disposed to cover a front side and a rear side of the battery cell assembly; a pair of side plates disposed at side surfaces, respectively, of the battery cell assembly; and a pair of compression pads disposed between the pair of side plates and the battery cell assembly, respectively.
    Type: Application
    Filed: February 13, 2019
    Publication date: February 4, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Sung-Won Seo, Dong-Yeon Kim, Ho-June Chi, Dal-Mo Kang, Jin-Hak Kong, Jeong-O Mun, Yoon-Koo Lee, Yong-Seok Choi, Alexander Eichhorn, Andreas Track
  • Publication number: 20210028423
    Abstract: Discussed is a battery module including a plurality of pouch-type secondary batteries, each including an electrode assembly, an electrolyte, and a pouch exterior and 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 while lying in a horizontal direction, and having an upper surface to which lower portions of the secondary batteries are attached and fixed, wherein the lower portions of the secondary batteries are attached and fixed to the upper surface of the cooling plate via an adhesive, and the cooling plate includes an accommodation groove recessed downwards in portions of the cooling plate, to which the lower portions of the secondary batteries are attached, and configured to accommodate at least a portion of the adhesive.
    Type: Application
    Filed: October 15, 2020
    Publication date: January 28, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Eun-Gyu SHIN, Jeong-O MUN, Dal-Mo KANG, Mi-Geum CHOI
  • Patent number: 10892464
    Abstract: A battery module having a low height and ensuring stable cooling performance, including a heat dissipation member disposed at a lower portion thereof, a cell assembly having a plurality of can-type secondary batteries stacked in a lying-down form in a horizontal direction and a bus bar, the bus bar including a connection part contacting electrodes of two or more can-type secondary batteries of the cell assembly to electrically connect the two or more can-type secondary batteries, and a heat transfer part located below the connection part to contact the heat dissipation member to transfer heat of the secondary batteries to the heat dissipation member.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: January 12, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
  • Patent number: 10892448
    Abstract: Disclosed are a pouch exterior capable of easily mounting an electrode assembly at an accurate position between accommodating parts, having an integrated form to minimize sealing parts contacting the air and to increase a lifetime of a battery, capable of preventing a rupture of the pouch exterior in an assembly process, and capable of increasing an energy density of a cell, a pouch-type secondary battery using the pouch exterior, and a method of manufacturing the pouch-type secondary battery. A pouch exterior for a secondary battery, according to the present disclosure, includes two corresponding accommodating parts configured to mount an electrode assembly therebetween and symmetrically formed at both sides by disposing a protruding part therebetween, and is folded along two folding lines outside a center part of the protruding part by vertically mounting a side surface of the electrode assembly on the protruding part, such that folded parts surround side edges of the electrode assembly.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: January 12, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Tai-Jin Jung, Jeong-O Mun, Byoung-Cheon Jeong
  • Patent number: 10892529
    Abstract: Discussed is an air-cooling battery module, which includes a cell assembly having a plurality of cells and a cooling member having a duct disposed to contact an edge portion of the cell assembly and having an air passage formed therein so that a cooling air moves therethrough, wherein the inside of the duct has a truss structure.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: January 12, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jung-Hoon Lee, Eun-Gyu Shin, Byoung-Cheon Jeong, Dal-Mo Kang, Jeong-O Mun
  • Publication number: 20200411814
    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: Application
    Filed: November 28, 2018
    Publication date: December 31, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Eun-Ah Ju, Sung-Won Seo, Yoon-Koo Lee, Hee-Jun Jin, Jeong-O Mun, Alexander Eichhorn, Andreas Track, Valentin Brokop
  • Publication number: 20200411815
    Abstract: A battery module housing includes a top plate and a bottom plate forming an upper wall and a lower wall, respectively, and a first side plate and a second side plate forming side walls, respectively, the battery module housing having a rectangular tube shape provided to accommodate battery cells in an inner space thereof, wherein the battery module housing has four bonding portions each including an adhesive along a longitudinal direction, the bonding portions located at two sites between opposing side edges of the top plate and top surfaces of the first side plate and second side plate, respectively, and at two sites between opposing side edges of the bottom plate and bottom surfaces of the first side plate and second side plate, respectively.
    Type: Application
    Filed: December 14, 2018
    Publication date: December 31, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Eun-Gyu Shin, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee
  • Publication number: 20200411832
    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: Application
    Filed: October 11, 2018
    Publication date: December 31, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Hee-Jun Jin, Sung-Won Seo, Yoon-Koo Lee, Eun-Ah Ju, Jeong-O Mun
  • Publication number: 20200411930
    Abstract: A battery module and a battery pack having a module housing capable of effectively increasing an energy density while enhancing the heat dissipation efficiency, includes a cell assembly having a plurality of secondary batteries; and a module housing having at least one sidewall and configured to accommodate the cell assembly in an inner space defined by the sidewall. The sidewall has at least one coolant flow path, and at least one injection hole is formed in an outer surface of the sidewall so as to extend to and communicate with the inner space.
    Type: Application
    Filed: August 26, 2019
    Publication date: December 31, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jin-Yong Park, Kyung-Mo Kim, Seung-Joon Kim, Jeong-O Mun, Eun-Ah Ju, Ho-June Chi, Hee-Jun Jin
  • Patent number: 10874889
    Abstract: A battery module including a cell stack formed by stacking a plurality of battery cells; a module frame coupled to one side or both sides of the cell stack; and a fire extinguishing unit accommodated in the module frame to eject a fire extinguishing agent at a reference temperature or above.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: December 29, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
  • Publication number: 20200395643
    Abstract: A battery module includes a module housing having a lower housing, a pair of side housings, front and rear housings, and an upper housing, for respectively covering a lower portion, both side portions, front and rear portions, and an upper portion of a cell stack. The lower housing includes a base plate configured to cover an entire lower surface of the cell stack and having a hole region forming a channel in at least one side of the base plate along a longitudinal direction; and a plurality of spacers disposed at predetermined intervals along the base plate and configured to support the cell stack apart from a surface of the base plate to form an empty space between the cell stack and the base plate. The hole region communicates with the empty space so that a cooling medium can be supplied to the empty space.
    Type: Application
    Filed: March 8, 2019
    Publication date: December 17, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Sung-Won Seo, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee
  • Publication number: 20200395587
    Abstract: A cylindrical battery cell including a first electrode terminal and a second electrode terminal having different polarities: an electrode assembly in which a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode are wound; a battery case configured to include the electrode assembly therein in a state of being impregnated with an electrolytic solution; a cap assembly mounted to a top end of the battery case; and a connection cap including a cap housing loaded on the battery case and the cap assembly and having an insulating material, and a first connection plate and a second connection plate placed on the cap housing and electrically connected to the first electrode terminal and the second electrode terminal, respectively.
    Type: Application
    Filed: October 2, 2018
    Publication date: December 17, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jae-Uk RYU, Dal-Mo KANG, Su-Chang KIM, Jeong-O MUN, Jae-Min YOO, Ji-Su YOON