Patents by Inventor Sung-Jong Kim

Sung-Jong Kim 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).

  • Patent number: 11289760
    Abstract: Disclosed are a battery protection structure, which is suitable for preventing deformation caused by physical stress at a coupling portion of a base plate and an end plate, which are stacked sequentially, and a battery module comprising the battery protection structure. The battery protection structure includes: a base plate located below a battery assembly and having a male screw member around the battery assembly; an end plate located at a side of the battery assembly on the base plate; and a reinforcing member provided below the end plate and located between a barrier of the end plate and a flange protruding from the barrier, wherein the male screw member passes through the reinforcing member and the flange, and a female screw is coupled to a male screw of the male screw member on the reinforcing member.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: March 29, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Seung-Sik Yu, Sung-Jong Kim, Tae-Sung Kim, Jun-Yeob Seong
  • Patent number: 11271266
    Abstract: The present invention provides a battery compression inhibitor and a battery module comprising the same, the battery compression inhibitor being suitable for preventing at least one battery assembly from being compressed by repeated application of an external force between end plates. The battery compression inhibitor according to the present invention comprises, in order to protect a battery assembly inside a battery module: a barrier positioned on the periphery of the battery assembly and exposed from the battery assembly; and a base plate exposed from the battery assembly and from the barrier below the battery assembly and below the barrier.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: March 8, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Seung-Sik Yu, Sung-Jong Kim, Tae-Sung Kim, Jun-Yeob Seong
  • Patent number: 10752121
    Abstract: Provided is a battery pack including a pack case configured to form an exterior; a cell assembly accommodated in the pack case, and including a plurality of battery cells respectively including electrode leads; a pack cover configured to cover the pack case so as to package the cell assembly; and a lead connecting substrate provided between the cell assembly and the pack cover, configured to connect the electrode leads of the plurality of battery cells to one another, and including insert-molded terminals penetrating through the pack cover to be connected to an external power supply.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: August 25, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Seung-Sik Yu, Sung-Jong Kim, Jun-Yeob Seong
  • Patent number: 10707456
    Abstract: Disclosed is a battery connecting unit which is placed on a lower housing and protruding from an upper housing and thus is suitable for preventing water penetration from the outside of the upper housing, and a battery pack including the same. The battery connecting unit is electrically connected to a battery laminate between a lower housing and an upper housing of a battery pack and includes a plastic member configured to come into contact with the upper housing and a metal terminal inserted into the upper housing, wherein the plastic member partially surrounds the metal terminal, and wherein the metal terminal is made of a circular pillar. In addition, the battery pack includes the battery connecting unit.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: July 7, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Seung-Sik Yu, Sung-Jong Kim, Tae-Sung Kim, Jun-Yeob Seong
  • Patent number: 10411233
    Abstract: A secondary battery cartridge includes: a battery storing box including a battery accommodation space in which a secondary battery is stored, and a flow channel partitioned from the battery accommodation space and having a hollow structure, and including, at opposite side parts thereof, respectively, a slot communicating with the battery accommodation space, and a venting hole communicating with the flow channel; a sensing unit including an electrically conductive material, mounted on at least one side part of the battery storing box, and electrically connected to an electrode lead of the secondary battery, the electrode lead extending to an inside and an outside of the battery storing box through the slot; and a cover unit provided in a box form having one open side, and mounted on the opposite side parts of the battery storing box in order to shield the slot, the venting hole, and the sensing unit of the battery storing box, wherein a gas outlet is provided to the cover unit mounted on at least one of the o
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: September 10, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Doo-Han Yoon, Sung-Jong Kim, Jun-Yeob Seong
  • Patent number: 10141546
    Abstract: Disclosed is an inner case of a battery module assembly in which four battery modules, each having a plurality of cylindrical secondary battery cells (hereinafter, also referred to as ‘cells’), are electrically connected in series. The inner case includes a side frame making contact with two facing sides among sides of the battery module assembly, an upper frame making contact with an upper surface of the battery module assembly, and an electrode post electrically connected to an electrode of the battery module assembly and located at a top of the upper frame. Therefore, it is possible to provide an inner case of a stable and economic battery module including a plurality of secondary battery cells.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: November 27, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Jong Kim, Chae-Yang Cho, Soon-Ho Ahn
  • Publication number: 20180254444
    Abstract: A secondary battery cartridge includes: a battery storing box including a battery accommodation space in which a secondary battery is stored, and a flow channel partitioned from the battery accommodation space and having a hollow structure, and including, at opposite side parts thereof, respectively, a slot communicating with the battery accommodation space, and a venting hole communicating with the flow channel; a sensing unit including an electrically conductive material, mounted on at least one side part of the battery storing box, and electrically connected to an electrode lead of the secondary battery, the electrode lead extending to an inside and an outside of the battery storing box through the slot; and a cover unit provided in a box form having one open side, and mounted on the opposite side parts of the battery storing box in order to shield the slot, the venting hole, and the sensing unit of the battery storing box, wherein a gas outlet is provided to the cover unit mounted on at least one of the o
    Type: Application
    Filed: August 30, 2016
    Publication date: September 6, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Doo-Han YOON, Sung-Jong KIM, Jun-Yeob SEONG
  • Publication number: 20180219197
    Abstract: Disclosed are a battery protection structure, which is suitable for preventing deformation caused by physical stress at a coupling portion of a base plate and an end plate, which are stacked sequentially, and a battery module comprising the battery protection structure. The battery protection structure includes: a base plate located below a battery assembly and having a male screw member around the battery assembly; an end plate located at a side of the battery assembly on the base plate; and a reinforcing member provided below the end plate and located between a barrier of the end plate and a flange protruding from the barrier, wherein the male screw member passes through the reinforcing member and the flange, and a female screw is coupled to a male screw of the male screw member on the reinforcing member.
    Type: Application
    Filed: July 18, 2016
    Publication date: August 2, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Seung-Sik YU, Sung-Jong KIM, Tae-Sung KIM, Jun-Yeob SEONG
  • Publication number: 20180205050
    Abstract: Disclosed is a battery connecting unit which is placed on a lower housing and protruding from an upper housing and thus is suitable for preventing water penetration from the outside of the upper housing, and a battery pack including the same. The battery connecting unit is electrically connected to a battery laminate between a lower housing and an upper housing of a battery pack and includes a plastic member configured to come into contact with the upper housing and a metal terminal inserted into the upper housing, wherein the plastic member partially surrounds the metal terminal, and wherein the metal terminal is made of a circular pillar. In addition, the battery pack includes the battery connecting unit.
    Type: Application
    Filed: September 27, 2016
    Publication date: July 19, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Seung-Sik YU, Sung-Jong KIM, Tae-Sung KIM, Jun-Yeob SEONG
  • Publication number: 20180034012
    Abstract: Provided is a battery pack including a pack case configured to form an exterior; a cell assembly accommodated in the pack case, and including a plurality of battery cells respectively including electrode leads; a pack cover configured to cover the pack case so as to package the cell assembly; and a lead connecting substrate provided between the cell assembly and the pack cover, configured to connect the electrode leads of the plurality of battery cells to one another, and including insert-molded terminals penetrating through the pack cover to be connected to an external power supply.
    Type: Application
    Filed: July 11, 2016
    Publication date: February 1, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Seung-Sik YU, Sung-Jong KIM, Jun-Yeob SEONG
  • Patent number: 9882178
    Abstract: Disclosed is a battery module assembly, which includes four battery modules, each having a plurality of cylindrical secondary battery cells (hereinafter, also referred to as ‘cells’) interposed between an upper frame and a lower frame, wherein among the four battery modules, two battery modules are arranged in parallel, and two battery modules are stacked on the two battery modules arranged in parallel. Therefore, it is possible to provide a stable and economic battery module assembly including a plurality of secondary battery cells.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: January 30, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Jong Kim, Chae-Yang Cho, Soon-Ho Ahn
  • Patent number: 9865845
    Abstract: Disclosed is a case for a vehicle's battery pack. In an aspect of the present disclosure, it is possible to provide a stable and economic case for a battery pack including a plurality of secondary battery cells.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: January 9, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Jong Kim, Chae-Yang Cho, Soon-Ho Ahn
  • Patent number: 9865848
    Abstract: A seal tape capable of preventing an electrode assembly from moving in a secondary battery, and a secondary battery using the same are disclosed. The seal tape for a secondary battery is attached to the outer surface of the electrode assembly which is received in a battery case, and includes a first adhesive layer having an adhesive surface adhered to the outer surface of the electrode assembly, a second adhesive layer having an adhesive surface at a side opposite to the adhesive surface of the first adhesive layer so as to adhere to an inner surface of the battery case, and a protective layer formed on the second adhesive layer, wherein the protective layer is entirely or partially removed by reating with an electrolyte of the secondary battery.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: January 9, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Jong Kim, Cha-Hun Ku
  • Patent number: 9866049
    Abstract: A battery warm up system according to the present disclosure includes an open signal receiving unit to receive a door open signal for opening a door of a vehicle, a temperature measuring unit to measure a temperature of a battery pack connected to a starter of the vehicle, a control unit to output a forced discharging start signal by referring to information associated with the temperature measured by the temperature measuring unit when the door open signal is received by the open signal receiving unit, and a forced discharging circuit unit to force a plurality of battery modules constituting the battery pack to be discharged in response to the forced discharging start signal.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: January 9, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Jong Kim, Joong-Jae Lee, Soon-Ho Ahn
  • Patent number: 9843025
    Abstract: A secondary battery having no beading portion includes an electrode assembly having a cathode plate and an anode plate arranged with a separator being interposed therebetween, a battery case having an upper can configured to accommodate the electrode assembly and an electrolytic solution in an inner space thereof and have an open top and an open bottom, the top of the upper can being bent inwards, and a lower sealing member coupled to the bottom of the upper can to seal the bottom of the upper can, and a cap assembly having a top cap protruding on an uppermost portion thereof to form a cathode terminal, a safety vent located below the top cap and configured to change a shape when an inner pressure of the battery case increases, and a gasket surrounding rims of the top cap and the safety vent.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: December 12, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Jong Kim, Cha-Hun Ku
  • Publication number: 20170331079
    Abstract: The present invention provides a battery compression inhibitor and a battery module comprising the same, the battery compression inhibitor being suitable for preventing at least one battery assembly from being compressed by repeated application of an external force between end plates. The battery compression inhibitor according to the present invention comprises, in order to protect a battery assembly inside a battery module: a barrier positioned on the periphery of the battery assembly and exposed from the battery assembly; and a base plate exposed from the battery assembly and from the barrier below the battery assembly and below the barrier.
    Type: Application
    Filed: January 22, 2016
    Publication date: November 16, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Seung-Sik YU, Sung-Jong KIM, Tae-Sung KIM, Jun-Yeob SEONG
  • Patent number: 9461495
    Abstract: A battery warm up system according to the present disclosure includes a battery state measuring unit to measure a state of charge (SOC) of each module of a battery pack of a vehicle, a control unit to optionally output a forced discharging start signal and to output a balancing start signal, a forced discharging circuit unit to force at least one battery module among a plurality of battery modules of the battery pack to be discharged in response to the forced discharging start signal, and a balancing unit to balance the SOC of each of the battery modules in response to the balancing start signal.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: October 4, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Jong Kim, Soon-Ho Ahn, Joong-Jae Lee
  • Patent number: 9306194
    Abstract: Disclosed is a battery module assembly for a vehicle's battery pack, which has four battery modules, among which two battery modules are arranged in parallel and two battery modules are stacked and provided on the two battery modules arranged in parallel, wherein cylindrical secondary battery cells respectively included in the battery modules are electrically connected in parallel by means of plates respectively disposed at tops of the two battery modules arranged in parallel, wherein the two battery modules arranged in parallel are electrically connected in parallel by means of a lower metal plate disposed on the two battery modules arranged in parallel, wherein cylindrical secondary battery cells respectively included in the battery modules are electrically connected in parallel by means of metal plates respectively disposed at tops and bottoms of the two battery modules stacked on the two battery modules arranged in parallel, and wherein the four battery modules are electrically connected in series.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: April 5, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Jong Kim, Chae-Yang Cho, Soon-Ho Ahn
  • Patent number: 9221349
    Abstract: A power source for vehicles according to the present disclosure includes a secondary battery pack to support power required to start up a vehicle and power required for an electronic device equipped in the vehicle together, and having an operating voltage range of 9V to 19V in which a maximum operating voltage ranges from 16V to 19V and an average voltage is higher than or equal to 12V, and an alternator to produce a charging power for the secondary battery pack in response to operation of an engine of the vehicle.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: December 29, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Jong Kim, Soon-Ho Ahn, Joong-Jae Lee
  • Patent number: 9153805
    Abstract: Provided is a cylindrical secondary battery, comprising an electrode assembly having a cathode plate, an anode plate, and a separator interposed therebetween; a case for receiving the electrode assembly; a cap assembly for sealing an open-end of the case; and a gasket interposed between the case and the cap assembly, wherein the gasket is made of a polymer resin having a melting point of 200° C. or higher and a hardness of 100D or less.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: October 6, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Je-Jun Lee, Sung-Jong Kim, Cha-Hun Ku