Patents by Inventor Dal Mo Kang

Dal Mo Kang 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: 20180331336
    Abstract: Disclosed is a battery module having a simple structure, facilitating reduction in weight and size, and saving manufacturing costs while securing an efficient cooling capability.
    Type: Application
    Filed: November 16, 2016
    Publication date: November 15, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Mi-Geum CHOI, Jeong-O MUN, Dal-Mo KANG, Eun-Gyu SHIN
  • Publication number: 20180315979
    Abstract: Provided is an electrode lead for a secondary battery that is less susceptible to cracks and has improved insulation, and a pouch type secondary battery and a battery module comprising the same. The electrode lead for a secondary battery according to the present disclosure is an electrode lead electrically connected to an electrode assembly, and the electrode lead includes a flat metal conductor and a coverlay type insulating film having an exposed shape at an electrically connected part of the metal conductor.
    Type: Application
    Filed: April 4, 2018
    Publication date: November 1, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Uk Ryu, Jeong-O Mun, Dal-Mo Kang, Su-Chang Kim, Ji-Su Yoon
  • Publication number: 20180294535
    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: December 20, 2016
    Publication date: October 11, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Mi-Geum Choi, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee
  • Publication number: 20180261892
    Abstract: Disclosed is a battery pack, which allows easy assembling and exchange of electrical equipment and has an uncomplicated structure. The battery pack includes at least one battery module, the battery module including a plurality of secondary batteries, and an electrical equipment plate having a plate shape on which at least two of a battery management system (BMS), a current sensor, a relay and a fuse are mounted, the electrical equipment plate being electrically connected to the at least one battery module.
    Type: Application
    Filed: May 14, 2018
    Publication date: September 13, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Young-Sop Eom, Jun-Yeob Seong, Ki-Youn Kim, Sung-Chun Yu, Dal-Mo Kang
  • Patent number: 10074881
    Abstract: A battery module including two or more stacked battery cells which can be charged and discharged and at least one cooling plate comprising a thermal conduction portion and at least one heat dissipation portion connected to said thermal conduction portion, the thermal conduction portion being disposed between one or more adjacent battery cells, and the at least one heat dissipation portion extending beyond the adjacent battery cells and including one or more bend is provided.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: September 11, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jun Yeob Seong, Yong Seok Choi, Dal Mo Kang
  • Patent number: 10074835
    Abstract: Disclosed is a battery pack which has a simple structure, small volume and weight, and efficient cooling performance. The battery pack includes a module assembly including a plurality of secondary batteries, and a plurality of cartridges configured to be stacked with each other and surround an outer circumference of the secondary batteries at an outer side, the plurality of cartridges being at least partially made of thermally-conductive material; and a pack case having an empty space therein to accommodate the module assembly and at least partially made of thermally-conductive material to discharge heat of the module assembly.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: September 11, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jong-Young Lee, Gang-U Lee, Dal-Mo Kang, Jung-Min Park, Jun-Yeob Seong, Yong-Seok Choi
  • Patent number: 10069178
    Abstract: Disclosed herein is a battery cell including a battery cell body having an electrode assembly mounted in a cell case, an electrode terminal protruding from at least one end of the battery cell body, and a connection protrusion for voltage sensing formed integrally with the electrode terminal.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: September 4, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jung Oh Moon, Dal Mo Kang, Jong Woon Choi, Jun Yeob Seong, Byung O Kong, Youngsop Eom
  • Publication number: 20180248166
    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: Application
    Filed: February 21, 2018
    Publication date: August 30, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Uk Ryu, Ji-Su Yoon, Dal-Mo Kang, Jeong-O Mun
  • Patent number: 10044078
    Abstract: The present disclosure discloses a heat sink with two or more separated channels. The heat sink according to the present disclosure includes a cooling channel through which a refrigerant passes to cool a secondary battery by an indirect cooling method, the secondary battery including a cell assembly in which at least two unit cells are stacked, each unit cell including a positive electrode plate, a separator, and a negative electrode plate, and a plurality of positive and negative electrode tabs protruding from the positive and negative electrode plates of each unit cell is electrically connected to positive and negative leads, respectively, wherein the cooling channel has two or more separated channels, and an insulation material is interposed between at least one of the two or more separated channels and a heat source. According to the present disclosure, provision of a heat sink having a uniform cooling effect is enabled.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: August 7, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Seung-Hun Jung, Min-Jung Kim, Dal-Mo Kang
  • Patent number: 10044070
    Abstract: The present invention relates to a battery module. The battery module includes a battery cell, a module case in which the battery cell is built, and a flame retardant filled in the module case. Thus, when the battery module is damaged, an insulation film is formed on the damaged portion to prevent fire or explosion from occurring.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: August 7, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Seung Hun Jung, Dal Mo Kang
  • Patent number: 10026937
    Abstract: Disclosed are: a frame for secondary batteries, which ensures a channel around cooling plates stably to improve cooling efficiency for secondary batteries; and a battery module, a battery pack and a vehicle comprising the same. A frame for secondary batteries according to the present disclosure comprises: an upper cooling plate and a lower cooling plate having a plate shape and arranged to be spaced apart by a predetermined distance from each other facing each other; a main frame having four sides and configured to encompass the outer peripheral portions of the upper cooling plate and the lower cooling plate, to mount the outer peripheral portions of pouch-type secondary batteries thereto, and to enable two or more main frames to be stacked; and a support member arranged between the upper cooling plate and the lower cooling to support both cooling plates.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: July 17, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Ki-Youn Kim, Jun-Yeob Seong, Young-Sop Eom, Sung-Chun Yu, Dal-Mo Kang
  • Patent number: 10020547
    Abstract: Disclosed is a battery pack, which allows easy assembling and exchange of electrical equipment and has an uncomplicated structure. The battery pack includes at least one battery module, the battery module including a plurality of secondary batteries, and an electrical equipment plate having a plate shape on which at least two of a battery management system (BMS), a current sensor, a relay and a fuse are mounted, the electrical equipment plate being electrically connected to the at least one battery module.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: July 10, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Young-Sop Eom, Jun-Yeob Seong, Ki-Youn Kim, Sung-Chun Yu, Dal-Mo Kang
  • Patent number: 10020486
    Abstract: Disclosed is a battery pack which can be adaptively used even in various approaching and extending directions of a connection wire even while ensuring the safety by minimizing exposure of an electrode terminal. The battery pack according to the present invention comprises: a cell assembly having a plurality of secondary batteries; a pack housing having an internal space to receive the cell assembly; an electrode terminal which is connected to the cell assembly and is formed to protrude to the outside of the pack housing; and a terminal cover which covers the top portion and a part of the sides of the electrode terminal and is configured to be attached/detached to/from different portions of the pack housing.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: July 10, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Young-Sop Eom, Jun-Yeob Seong, Ki-Youn Kim, Sung-Chun Yu, Dal-Mo Kang
  • Patent number: 10020549
    Abstract: Disclosed herein is a battery module including chargeable and dischargeable battery cells mounted in a module case, wherein the battery cells are mounted in the module case in a state in which the battery cells are stacked in a lateral direction in which electrode terminals are not located, the module case is configured to have a frame structure open at one or more surfaces thereof, the module case including a receiving part to mount the battery cells, and a heat dissipation support member to dissipate heat from the battery cells through thermal conduction based on direct or indirect contact with the battery cells is mounted in the receiving part, in which the battery cells are mounted.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: July 10, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Bum Hyun Lee, Dal Mo Kang, Yong Seok Choi, Jaemin Lee
  • Publication number: 20180175343
    Abstract: Disclosed is a battery module, which includes a plurality of battery cells disposed to face each other and arranged side by side at least in a first direction, a module cover configured to accommodate the plurality of battery cells and formed to have at least one open side, and a pair of buffering members located between one side of a battery cell located at an outermost side in the first direction among the plurality of battery cells and a side of the module cover so that at least a part thereof is in contact with the sides of the battery cells and the module cover, respectively, wherein the buffering member is a leaf spring having at least one bent portion.
    Type: Application
    Filed: April 5, 2017
    Publication date: June 21, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Mi-Geum CHOI, Jeong-O MUN, Dal-Mo KANG, Yoon-Koo LEE, Jung-Been YOU
  • Patent number: 9991485
    Abstract: A battery cell is provided. The battery cell includes a battery case, an electrode assembly located in the battery case, the electrode assembly comprising a cathode, an anode, and a separator disposed between the cathode and the anode, an electrolyte present in the battery case, the battery case being sealed at a perimeter thereof, and a frame coupled to the perimeter of the battery case, the frame having a venting guiding portion at the perimeter of the battery case, such that sealing of the battery case is released through the venting guiding portion when internal pressure of the battery cell increases, the venting guiding portion comprising a reduction in the amount of material of the frame in a predetermined location at the perimeter of the battery case. A battery cell module is also provided.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: June 5, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jun Yeob Seong, Dal Mo Kang, Youngsop Eom
  • Patent number: 9978998
    Abstract: Disclosed is a battery module array which has high space utilization and is easy to fabricate. The battery module array includes a plurality of battery modules, end plates, tension bars, a front sensing unit, a rear sensing unit, an under-base bar, a front cover, and a rear cover.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: May 22, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jong Woon Choi, Dal-Mo Kang
  • Patent number: 9972822
    Abstract: Disclosed is a battery pack including a bushing for connecting an end plate. The battery pack according to the present disclosure connects an upper housing and an end plate for a battery module assembly by the bushing.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: May 15, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Young-Gil Kim, Jeong-O Mun, Jae-Min Lee, Dal-Mo Kang, Soo-Ryoung Kim, Jae-Hun Yang, Sang-Wook Yim
  • Patent number: 9972871
    Abstract: Disclosed herein is a voltage sensing member for sensing voltage of battery cells constituting a battery module, the voltage sensing member including a plurality of conductive sensing parts connected to electrode terminal connection parts of the battery cells of the battery module, each of the conductive sensing parts having a plate strip shape, a connector for transmitting the voltage sensed by the conductive sensing parts to a battery management system (BMS), and a plurality of wires for electrically connecting the conductive sensing parts to the connector, wherein the conductive sensing parts are coupled to the electrode terminal connection parts in a surface contact manner by welding.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: May 15, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Byung O Kong, Jun Yeob Seong, Dal Mo Kang, Young Sop Eom, Ki Youn Kim
  • Publication number: 20180090799
    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: Application
    Filed: September 27, 2017
    Publication date: March 29, 2018
    Applicant: 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