Patents by Inventor Heekook Yang

Heekook Yang 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: 20230402673
    Abstract: A battery system includes a battery module that utilizes the first and second retention housings to hold a battery cell retention frame therein that can be either air cooled or fluid cooled. In particular, the first and second retention housings have an inlet port and an outlet port, respectively, for routing fluid through the battery cell retention frame for cooling cylindrical battery cells thereon. Alternately, the battery cell retention frame can be air cooled for cooling the cylindrical battery cells. Also, the first and second retention housings provide improved structural integrity to the battery module.
    Type: Application
    Filed: August 29, 2023
    Publication date: December 14, 2023
    Inventors: Atish Bharat Dahitule, Daniel Barnes, Heekook Yang, Sanjeev Porchelvan, Edward Yankoski, Yoonhee Lee
  • Patent number: 11784364
    Abstract: A battery system includes a battery module that utilizes the first and second retention housings to hold a battery cell retention frame therein that can be either air cooled or fluid cooled. In particular, the first and second retention housings have an inlet port and an outlet port, respectively, for routing fluid through the battery cell retention frame for cooling cylindrical battery cells thereon. Alternately, the battery cell retention frame can be air cooled for cooling the cylindrical battery cells. Also, the first and second retention housings provide improved structural integrity to the battery module.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: October 10, 2023
    Assignee: LG Energy Solution, Ltd.
    Inventors: Atish Bharat Dahitule, Daniel Barnes, Heekook Yang, Sanjeev Porchelvan, Edward Yankoski, Yoonhee Lee
  • Publication number: 20230170583
    Abstract: A battery module having first and second cylindrical battery cells is provided. The module includes a laminated busbar assembly having a bottom isolation layer, a busbar layer, a top isolation layer. A first aperture of the bottom isolation layer receives a positive electrode of the first battery cell therethrough and exposes a portion of the negative electrode of the first battery cell. The second aperture of the bottom isolation layer receives the positive electrode of the second battery cell therethrough and exposes a portion of the negative electrode of the second battery cell. The busbar layer has a first layer portion that contacts the negative electrode of the first battery cell and the negative electrode of the second battery cell, and a second layer portion that contacts the positive electrode of the first battery cell and the positive electrode of the second battery cell.
    Type: Application
    Filed: December 1, 2021
    Publication date: June 1, 2023
    Inventors: Edward P. Yankoski, Heekook Yang, Sanjeev Porchelvan, Atish Bharat Dahitule
  • Publication number: 20230170584
    Abstract: A battery module having first and second cylindrical battery cells is provided. The module includes a laminated busbar assembly having a bottom isolation layer, a first busbar layer, an intermediate isolation layer, and a second busbar layer. The bottom isolation layer has a first aperture that receives the positive electrode of the first battery cell therethrough and exposes a portion of the negative electrode of the first battery cell. The first busbar layer has a first aperture that receives the positive electrode of the first battery cell therethrough. A portion of the first busbar layer electrically contacts the negative electrode of the first battery cell. The intermediate isolation layer has a first aperture that receives the positive electrode of the first battery cell therethrough. The second busbar layer electrically contacts the positive electrode of the first battery cell.
    Type: Application
    Filed: December 1, 2021
    Publication date: June 1, 2023
    Inventors: Edward P. Yankoski, Heekook Yang, Sanjeev Porchelvan, Atish Bharat Dahitule
  • Publication number: 20220407146
    Abstract: A battery cell retention frame includes a central cooling plate member having first and second manifold portions and first and second intermediate walls coupled to the first and second manifold portions. The first and second intermediate walls define an internal cooling channel therebetween that fluidly communicates with the first and second manifold portions. The battery cell retention frame includes first and second exterior plates that are coupled to the first and second manifold portions, respectively. The first and second intermediate walls have first and second outer surfaces, respectively, disposed opposite to one another. The battery cell retention frame includes first and second thermally conductive layers that are disposed on the first and second outer surfaces, respectively.
    Type: Application
    Filed: June 16, 2021
    Publication date: December 22, 2022
    Inventors: Atish Bharat Dahitule, Daniel Barnes, Heekook Yang, Edward Yankoski
  • Publication number: 20220407137
    Abstract: A battery system includes a battery module that utilizes the first and second retention housings to hold a battery cell retention frame therein that can be either air cooled or fluid cooled. In particular, the first and second retention housings have an inlet port and an outlet port, respectively, for routing fluid through the battery cell retention frame for cooling cylindrical battery cells thereon. Alternately, the battery cell retention frame can be air cooled for cooling the cylindrical battery cells. Also, the first and second retention housings provide improved structural integrity to the battery module.
    Type: Application
    Filed: June 16, 2021
    Publication date: December 22, 2022
    Inventors: Atish Bharat Dahitule, Daniel Barnes, Heekook Yang, Sanjeev Porchelvan, Edward Yankoski, Yoonhee Lee
  • Patent number: 11063320
    Abstract: A terminal busbar includes a first busbar portion having a coupling plate, and a second busbar portion having a top plate portion, and a fusible member coupled to and between the coupling plate and the top plate portion. The fusible member has a first portion with a groove or an aperture disposed therein. The terminal busbar further includes an overmolded thermoplastic layer encapsulating the first portion of the fusible member and the groove or the aperture. A thickness of the overmolded thermoplastic layer both above and underneath the fusible member is greater than a thickness of the fusible member to prevent secondary arcing.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: July 13, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Heekook Yang, Robert Merriman, Jivitha Siddharthan
  • Patent number: 10770762
    Abstract: A battery module having first and second battery cells is provided. The battery module includes a first frame member having a first substantially rectangular ring-shaped outer plastic frame and a first heat exchanger. The first heat exchanger has first and second thermally conductive plates that are coupled together and define a first flow path portion extending therethrough. The first battery cell is disposed on and against a first side of the first thermally conductive plate. The second battery cell is disposed on and against the first side of the first thermally conductive plate. The second battery cell is further disposed proximate to the first battery cell.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: September 8, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Alexander Jeffrey Smith, Robert Merriman, Anthony Arena, Heekook Yang
  • Publication number: 20200220143
    Abstract: A terminal busbar includes a first busbar portion having a coupling plate, and a second busbar portion having a top plate portion, and a fusible member coupled to and between the coupling plate and the top plate portion. The fusible member has a first portion with a groove or an aperture disposed therein. The terminal busbar further includes an overmolded thermoplastic layer encapsulating the first portion of the fusible member and the groove or the aperture. A thickness of the overmolded thermoplastic layer both above and underneath the fusible member is greater than a thickness of the fusible member to prevent secondary arcing.
    Type: Application
    Filed: January 8, 2019
    Publication date: July 9, 2020
    Inventors: Heekook Yang, Robert Merriman, Jivitha Siddharthan
  • Patent number: 10601003
    Abstract: A battery module having first and second battery cells, a u-shaped frame member, a thermally conductive layer, a top cover plate, and first and second side cover plates is provided. The u-shaped frame member has a bottom wall and first and second side walls coupled to the bottom wall that extend upwardly from the bottom wall. The u-shaped frame member defines an interior space that holds the first and second battery cells therein. The first and second battery cells are disposed directly on the thermally conductive layer. The top cover plate is coupled to the first and second side walls to enclose a top open region of the u-shaped frame member. The first side cover plate that is coupled to the top cover plate and the bottom wall to enclose a first side open region of the u-shaped frame member.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: March 24, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Heekook Yang, Robert Merriman
  • Patent number: 10581125
    Abstract: A battery system includes a first metallic end plate. A first side of the first metallic end plate has first and second slanted surfaces and a first groove. The battery system further includes a first pouch battery cell having a first pouch housing with a first end portion and a second end portion. The first end portion has a first extension portion and first and second slanted end surfaces. The first pouch battery cell is coupled to the first metallic end plate such that the first extension portion of the first pouch battery cell is disposed in the first groove of the first metallic end plate, and the first and second slanted end surfaces of the first pouch battery cell are disposed on and against first and second thermally conductive adhesive portions, respectively, on the first and second slanted surfaces, respectively, of the first metallic end plate.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: March 3, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Scott Dudley, Robert Merriman, Heekook Yang
  • Publication number: 20190131596
    Abstract: A battery module having first and second battery cells, a u-shaped frame member, a thermally conductive layer, a top cover plate, and first and second side cover plates is provided. The u-shaped frame member has a bottom wall and first and second side walls coupled to the bottom wall that extend upwardly from the bottom wall. The u-shaped frame member defines an interior space that holds the first and second battery cells therein. The first and second battery cells are disposed directly on the thermally conductive layer. The top cover plate is coupled to the first and second side walls to enclose a top open region of the u-shaped frame member. The first side cover plate that is coupled to the top cover plate and the bottom wall to enclose a first side open region of the u-shaped frame member.
    Type: Application
    Filed: October 30, 2017
    Publication date: May 2, 2019
    Inventors: Heekook Yang, Robert Merriman
  • Patent number: 10170810
    Abstract: A thermally conductive base member and a method of assembly are provided. The thermally conductive base member includes first and second metal base members, and a top plate. The first metal base member has a first bottom plate, first and second female coupling portions, and first and second rib portions. The second metal base member has a second bottom plate, a first male coupling portion, and first and second rib portions. The first male coupling portion is disposed in and coupled to the first female coupling portion. The top plate is coupled to a top surface of the first female coupling portion, a top surface of the second female coupling portion, and the first and second rib portions of the first metal base member such that a first flow channel is defined between the first and second rib portions of the first metal base member and the top plate.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: January 1, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Scott Dudley, Robert Merriman, Heekook Yang
  • Patent number: 10084217
    Abstract: A battery system having a thermally conductive base member, a thermal interface member, and a battery module is provided. The thermal interface member is disposed on the thermally conductive base member and has first and second arcuate-shaped surfaces and a first groove. The battery module has a first pouch-type battery cell with a first outer housing having a first end portion with a first extension portion and first and second arcuate-shaped end surfaces. The first pouch-type battery cell is disposed directly on the thermal interface member such that the first extension portion is disposed in the first groove of the thermal interface member, and the first and second arcuate-shaped end surfaces are disposed directly on and against the first and second arcuate-shaped surfaces, respectively, of the thermal interface member.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: September 25, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Robert Merriman, Scott Dudley, Heekook Yang
  • Patent number: 10084218
    Abstract: A battery pack having a battery pack housing defining an interior region is provided. The housing further includes an inlet aperture and an outlet aperture communicating with the interior region. The battery pack further includes a battery module that is disposed in the interior region of the battery pack housing proximate to the inlet aperture. The battery module has a first battery cell, a heat exchanger, and first and second end plates. The first battery cell and the heat exchanger are disposed against one another, and are further disposed between the first and second end plates. The heat exchanger defines a first flow path portion therethrough. The first end plate has a first end portion that extends longitudinally past the first end of the first battery cell, and a second end portion that extends longitudinally past the second end of the first battery cell.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: September 25, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Robert Merriman, Heekook Yang
  • Patent number: 10020483
    Abstract: A battery module and a method are provided. The battery module includes a first battery cell having a first electrical terminal, a second battery cell having a second electrical terminal, and an interconnect assembly having a plate portion, a first finger portion, and a first voltage sense member. The first voltage sense member is coupled to the first finger portion. The first electrical terminal has a first terminal portion disposed directly on and coupled to a first voltage sense wall of the first voltage sense member. The second electrical terminal has a first terminal portion disposed on and coupled to the first terminal portion of the first electrical terminal such that the first terminal portion of the first electrical terminal is sandwiched between the first voltage sense wall of the first voltage sense member and the first terminal portion of the second electrical terminal.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: July 10, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Robert Merriman, Heekook Yang
  • Patent number: 10011162
    Abstract: Disclosed is a power switching module for a battery module assembly in which a plurality of rectangular battery modules, each having a plurality of battery cells or unit modules connected in series to each other, are stacked in the width (longitudinal) and height (transverse) direction by at least twos such that the battery modules constitute a hexahedral structure (hexahedral stack), outer edges of the hexahedral stack are fixed by a frame member, and input and output terminals of the battery modules are oriented such that the input and output terminals of the battery modules are directed toward one surface (a) of the stack, wherein the power switching module comprises an insulative substrate mounted to the surface (a) of the stack, elements mounted on the substrate for controlling voltage and current during charge and discharge of the battery modules, and connection members mounted on the substrate for interconnecting the control elements.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: July 3, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Junill Yoon, Jong-yul Ro, Heekook Yang, Jongmoon Yoon, Do Yang Jung
  • Patent number: 10014508
    Abstract: Disclosed herein is a battery module assembly configured to have a structure in which a plurality of rectangular battery modules, each of which has two or more battery cells or unit modules connected in series and/or in parallel to each other, are stacked by two or more in a width direction (a longitudinal direction) thereof and in a height direction (a transverse direction) thereof so that the rectangular battery modules generally constitute a hexahedral structure (a hexahedral stack), outer edges of the hexahedral stack are fixed by a frame member, and coupling parts for mounting, through which the battery module assembly is mounted to an external device, are provided at one side of the frame member.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: July 3, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Junill Yoon, Jong-yul Ro, Heekook Yang, Jongmoon Yoon, Do Yang Jung
  • Publication number: 20180123191
    Abstract: A battery system includes a first metallic end plate. A first side of the first metallic end plate has first and second slanted surfaces and a first groove. The battery system further includes a first pouch battery cell having a first pouch housing with a first end portion and a second end portion. The first end portion has a first extension portion and first and second slanted end surfaces. The first pouch battery cell is coupled to the first metallic end plate such that the first extension portion of the first pouch battery cell is disposed in the first groove of the first metallic end plate, and the first and second slanted end surfaces of the first pouch battery cell are disposed on and against first and second thermally conductive adhesive portions, respectively, on the first and second slanted surfaces, respectively, of the first metallic end plate.
    Type: Application
    Filed: November 23, 2016
    Publication date: May 3, 2018
    Inventors: Scott Dudley, Robert Merriman, Heekook Yang
  • Patent number: 9960465
    Abstract: A battery pack having a battery module with a bottom surface and a top surface is provided. The battery module includes a plurality of flow channels extending through the battery module from the top surface to the bottom surface. The battery pack includes a base assembly adapted to hold the battery module therein. The base assembly has a bottom wall and a first end and a second end. The bottom surface of the battery module is disposed at an acute angle relative to the bottom wall of the base assembly in a first direction extending from the first end toward the second end. The battery pack includes a cover assembly having a top wall extending substantially parallel to the bottom wall of the base assembly, and a top surface of the battery module that is disposed at an acute angle relative to the top wall of the cover assembly.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: May 1, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Scott Dudley, Robert Merriman, Heekook Yang, Anthony Arena