Patents Assigned to LG ENERGY SOLUTIONS, LTD.
  • Secondary battery cell module and assembling method thereof
    Patent number: 11996510
    Abstract: A method for assembling a secondary battery cell module by using an assembling jig including a plurality of guide rods disposed on a jig plate includes: mounting a lower frame on the jig plate while the guide rods are inserted into a plurality of arranging through-holes of the lower frame; disposing a plurality of battery cells on the lower frame; mounting an upper frame on the battery cells while the guide rods are inserted into a plurality of arranging through-holes of the upper frame; fastening the upper frame and the lower frame together; and separating the assembling jig from the upper frame and the lower frame.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: May 28, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jae Min Yoo, Dal Mo Kang, Jeong Oh Moon, Jaeuk Ryu, Su Chang Kim, Ji Su Yoon
  • Battery pack including upper frame having obliquely opened hinge fastened to side frame, and device including the same
    Patent number: 11996571
    Abstract: A battery pack includes: a battery module formed by stacking battery cells; an upper frame positioned on an upper surface of the battery module; a first side frame positioned on a first side surface of the battery module; and a second side frame positioned on a second side surface of the battery module facing the first side frame. The upper frame includes one or more first hinge parts positioned at one end of the upper frame. The first side frame includes one or more first poles positioned at an upper edge of the first side frame and fastened to the first hinge part. A first opening into which the first pole is inserted is formed in the first hinge part, and the first opening is formed obliquely so as to face between a direction perpendicular to the upper frame and a direction parallel to the upper frame.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: May 28, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Dahoon Kang, Jae Hyeon Ju, Jisu Yoon, Kyoungho Seo
  • FPCB connector, and battery module and battery pack including the same
    Patent number: 11996643
    Abstract: A FPCB connector including a first main body to which a first FPCB is coupled, and a second main body to which a second FPCB is coupled, the second main body being coupled to and electrically connected to the first main body. At least one of the first main body and the second main body is coupled to the first FPCB or the second FPCB without soldering.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: May 28, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventor: Sung-Gyu Kim
  • Secondary battery comprising electrode tab provided with insulation coating layer
    Patent number: 11996563
    Abstract: Provided is a secondary battery which includes an electrode assembly having an electrode tab extended from an electrode current collector, wherein the electrode tab is provided with an insulation coating layer containing an inorganic filler and a binder, the binder has an electrolyte uptake more than 0% and less than 50%, and the electrolyte uptake is determined by a predetermined method. In the secondary battery according to the present disclosure, the insulation coating layer provided in the electrode tab includes a binder having a low electrolyte uptake, and thus the insulation coating layer has improved adhesion and is prevented from detachment from the electrode tab. As a result, it is possible to maintain an excellent insulation state and to minimize an internal short-circuit in a secondary battery, thereby ensuring safety.
    Type: Grant
    Filed: August 29, 2023
    Date of Patent: May 28, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Joo-Sung Lee, Myung-Soo Ko, Joo-Young Chung, Shin-Hyo Cho, Sun-Mi Jin
  • Battery module including terminal connecting structure provided with floating nut and battery pack including the same
    Patent number: 11996585
    Abstract: A battery module of the present disclosure may include, a cell assembly including at least one battery cell, a busbar assembly including a terminal busbar electrically connected to an electrode lead of the cell assembly, and a busbar frame covering the cell assembly on at least one side, and an insulating frame covering the busbar assembly from the outside, and further including a nut which is set to a floatable size in a nut insertion chamber adjacent to a terminal busbar and provided with a space inside the insulating frame, and is mounted in the nut insertion chamber.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: May 28, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Dai Ki Min, Youngho Lee, Jongha Jeong, Jungmin Kwak, Jaehyun You
  • High-nickel positive electrode active material, producing method thereof, positive electrode and lithium secondary battery comprising the same
    Patent number: 11996554
    Abstract: A method for producing a high-nickel positive electrode active material, a positive electrode active material produced thereby, and a positive electrode and a lithium secondary battery including the same is provided. The method includes preparing a lithium composite transition metal oxide having a nickel content of 80 atm % or greater among transition metals, washing the lithium composite transition metal oxide, and mixing the washed lithium composite transition metal oxide with an aluminum raw material and heat treating the mixture at a temperature of 650° C. to 690° C. to obtain a positive electrode active material having a surface portion doped with aluminum.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: May 28, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jin Tae Hwang, Dong Hun Lee, Sung Bin Park, Hyung Man Cho, Jung Min Han, Wang Mo Jung
  • Solid electrolyte membrane, method for manufacturing the same and all-solid-state battery comprising the same
    Patent number: 11996518
    Abstract: The present disclosure relates to an electrolyte membrane for an all-solid-state battery, an all-solid-state battery comprising the electrolyte membrane and a method for manufacturing the solid electrolyte membrane. The solid electrolyte membrane may be obtained by stacking a first protective layer, a first film-type solid electrolyte material, a porous substrate, a second film-type solid electrolyte material and a second protective layer successively to prepare a laminate structure; and carrying out pressurization of the laminate structure so that the first and the second solid electrolyte materials may be pressed into the porous substrate and the pores of the porous substrate may be filled with the solid electrolyte materials.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: May 28, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Eun-Bee Kim, Jung-Pil Lee, Ji-Hoon Ryu, Suk-Woo Lee
  • BATTERY MODULE HAVING SWELLING SENSING MEANS
    Publication number: 20240170744
    Abstract: A battery module includes a plurality of battery cells each having an electrode lead, a module case configured to receive the plurality of battery cells, an ICB assembly having a busbar electrically connected to the electrode lead, and a swelling sensing means configured to sense swelling of the battery cell. Swelling of the battery cell is sensed in an early stage.
    Type: Application
    Filed: October 13, 2022
    Publication date: May 23, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Kyoung Choon MIN
  • Non-Aqueous Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
    Publication number: 20240170722
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are described herein. Specifically, the non-aqueous electrolyte solution for a lithium secondary battery includes a lithium salt, an organic solvent and a compound represented by Formula 1 to form a robust SEI film, thereby improving battery performance: Wherein R1 to R3 are described herein.
    Type: Application
    Filed: October 6, 2022
    Publication date: May 23, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jun Hyeok Han, Kyoung Ho Ahn, Won Kyung Shin, Chul Haeng Lee, Won Tae Lee, Su Hyeon Ji, Young Ho Oh, You Kyeong Jeong
  • Electrode Assembly Laminating Roller
    Publication number: 20240170708
    Abstract: The present invention relates to an electrode assembly laminating roller for laminating an electrode and a separator, wherein the laminating roller comprises a central portion; and end portions positioned at both ends of the central portion with respect to the longitudinal direction, and wherein the surface temperature of the end portion is expressed higher than the surface temperature of the central portion.
    Type: Application
    Filed: October 25, 2022
    Publication date: May 23, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Dongchan Kim, Jun Wan Kim, Seungkyu Lee
  • Electrode Manufacturing Device
    Publication number: 20240170636
    Abstract: An electrode manufacturing device that applies pressure to an electrode containing a coating part and a non-coating part is provided. The electrode manufacturing device includes: a first pressure roll that applies pressure to the non-coating part; a second pressure roll that applies pressure to the coating part; and a connection part that penetrates through the center of the first pressure roll and the center of the second pressure roll, respectively, wherein a difference between a radius of the first pressure roll and a radius of the second pressure roll is equal to or smaller than a step difference between the coating part and the non-coating part.
    Type: Application
    Filed: October 6, 2022
    Publication date: May 23, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Won Seob Song, Hwan Han Kim, Sang Hoon Choy, Jeong Soo Seol, Bumhyuk Lee
  • Gap Adjustment Device and Secondary Battery Sealing Equipment Including Same
    Publication number: 20240170774
    Abstract: Secondary battery sealing equipment presses and seals a sealing portion of a pouch. The secondary battery sealing equipment including includes: a pair of sealing blocks and a gap adjustment device configured to adjust the gap between the pair of sealing blocks. The gap adjustment device includes: support pieces provided at respective ends of a first sealing block that presses one surface of the sealing portion of the pouch; and gap adjustment pieces rotatably coupled to respective ends of a second sealing block that presses the other surface of the sealing portion of the pouch. Each of the gap adjustment pieces is provided with a plurality of adjustment surfaces having different heights, and at least one of the plurality of adjustment surfaces is configured to engage a respective support pieces to adjust the gap between the pair of sealing blocks.
    Type: Application
    Filed: October 7, 2022
    Publication date: May 23, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Eung Hyun Lee, Woong Gun Oh, Gee Hwan Kim, Sang Uk Yeo
  • BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME
    Publication number: 20240170782
    Abstract: Discussed is a battery module that may include a battery cell stack including a plurality of battery cells arranged along a first direction; side plates covering each of opposite side surfaces of the battery cell stack along the first direction, respectively; a busbar frame covering one surface of the battery cell stack in a direction in which electrode leads of the plurality of battery cells protrude; and a disc spring part located on an outside of a side plate of the side plates. The disc spring part is compressed in a direction parallel to the first direction.
    Type: Application
    Filed: January 5, 2023
    Publication date: May 23, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jung Hoon LEE, Jaehun YANG, Seho KIM, Dooseung KIM, Jeong Gi PARK
  • BATTERY PACK AND ENERGY STORAGE SYSTEM INCLUDING THE SAME
    Publication number: 20240170821
    Abstract: A battery pack includes a battery module having at least one battery cell, a pack case configured to accommodate the battery module, and a connection guide unit provided on at least one side of the pack case and configured to be accessible to electrical members of two or more connection types.
    Type: Application
    Filed: December 19, 2022
    Publication date: May 23, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jong-Chan SHIN, Ki-Youn KIM, JUNG-IL PARK, Young-Bo CHO, Byung-Hyuk CHOI
  • BATTERY MODULE HAVING IMPROVED WATERPROOF AND ANTIVIBRATION PERFORMANCE AND BATTERY PACK INCLUDING THE SAME
    Publication number: 20240170779
    Abstract: A battery module has improved waterproof and anti-vibration performance and a battery pack including the same. The battery module may be configured such that a battery cell is received in a space defined by a lower case and an upper case. A lower rib at a tip end of the lower case and an upper rib at a tip end of the upper case are brought into contact with each other, and the contact includes one face contact and one or more line contacts.
    Type: Application
    Filed: October 18, 2022
    Publication date: May 23, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Seong Hwan YANG, Mun Jun BAE, Dong Won YOO
  • BATTERY PACK
    Publication number: 20240170791
    Abstract: A battery pack includes a first battery module having a first corner formed by two side plates; a processing unit having a second corner formed by two side plates, electrically connected to the first battery module and controlling charge/discharge of the battery module; and a first coupling member having one side fastened to the first corner and the other side fastened to the second corner.
    Type: Application
    Filed: December 23, 2022
    Publication date: May 23, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Byung-Hyuk CHOI, Jong-Chan SHIN, Ki-Youn KIM
  • Separator Cutting Device and Electrode Cell Manufacturing System Including the Same
    Publication number: 20240165738
    Abstract: A separator cutting device cuts a sheet-shaped separator with which at least one electrode is laminated. The separator cutting device includes a laser generator configured to emit a laser beam, a scanner configured to control an optical path of the laser beam emitted from the laser generator, and an end mirror configured to reflect the laser beam passing through the scanner toward the separator and disposed at a side of the scanner.
    Type: Application
    Filed: March 11, 2022
    Publication date: May 23, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Seo Jun Lee, Tae Su Kim, Hyuk Soo Lee, Jung Hyun Park
  • PROTECTIVE CIRCUIT FOR SENSING VIBRATION OF FUSE BOX
    Publication number: 20240170819
    Abstract: A battery pack includes one or more battery modules provided with a plurality of battery cells, a bus bar connected to a module terminal of each battery module to electrically connect the one or more battery modules, and connected to an external batter management system (BMS) of the battery pack, and a fuse box including a fuse connecting each module terminal to the bus bar, and a vibration detection element attached to the fuse box or the bus bar to detect vibration flowing into the fuse connected to each of the battery modules, and the vibration detection element is directly connected to a battery monitoring integrated circuit (BMIC) through terminals at both ends thereof.
    Type: Application
    Filed: March 11, 2022
    Publication date: May 23, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Hak Yong SHIN
  • BATTERY PACK AND DEVICE INCLUDING THE SAME
    Publication number: 20240170755
    Abstract: A battery pack includes a battery module; a pack frame that houses the battery module and has a through-hole formed on one surface thereof; a cooling port that is inserted into the through hole; a cooling connector that is located inside the pack frame and is connected to the cooling port; a cover member that is coupled to the cooling port and has an opening part formed therein; and a pack coolant tube that is connected to the cooling connector. The cooling port includes a plate-shaped base part and a first tube that protrudes from the base part in a first direction and passes through the through hole. The base part includes a base protrusion part formed on one surface of the base part in the first direction. A sealing member is located between the opening of the cover member and the base protrusion part.
    Type: Application
    Filed: July 8, 2022
    Publication date: May 23, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Juhwan SHIN, Soon Chang HONG, Hyongseok YOO, Haejin KIM
  • BATTERY MODULE
    Publication number: 20240170781
    Abstract: Discussed is a battery module that may include at least one battery unit, a carrying structure and at least one insulating sheet, wherein the carrying structure includes a frame and at least one structurally enhancing portion connected to each other, and the frame mounts the battery unit. Further, the insulating sheet can be installed in the carrying structure to cover the battery unit, and the structurally enhancing portion extends outward of the battery module past an outer surface of the insulating sheet in a first direction.
    Type: Application
    Filed: October 27, 2022
    Publication date: May 23, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Chien-Pin HUANG