Patents by Inventor Seong-Yoon Lim

Seong-Yoon Lim 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: 11069943
    Abstract: Disclosed herein is an electrode assembly configured to have a rectangular structure including two long sides and two short sides when viewed in a plan view, wherein the electrode assembly includes positive electrode tabs protruding from two or more regions of a first long side that are spaced apart from each other, the first long side being one of the two long sides, and negative electrode tabs protruding from two or more regions of a second long side that are spaced apart from each other, the second long side being the other of the two long sides, and wherein the positive electrode tabs are coupled to a positive electrode lead located at the first long side whereas the negative electrode tabs are coupled to a negative electrode lead located at the second long side.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: July 20, 2021
    Inventors: Sei-Woon Oh, Hyun-Min Kim, Seong-Yoon Lim, Sun-Hwak Woo
  • Publication number: 20200358042
    Abstract: A secondary battery according to the present invention comprises an electrode assembly in which an electrode and a separator are alternately stacked and a battery case accommodating the electrode assembly therein, wherein the battery case comprises a stepped part that is disposed to be stepped, an outer surface of the battery case is sealed to allow a folded part to be seated on the outer surface of the stepped part, and the electrode assembly comprises a stepped protrusion that is stepped in a shape corresponding to an inner surface of the stepped part disposed on the battery case.
    Type: Application
    Filed: July 23, 2020
    Publication date: November 12, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Sei Woon Oh, Jung Ah Shim, Hyun Min Kim, Seong Yoon Lim
  • Patent number: 10790477
    Abstract: A secondary battery according to the present invention comprises an electrode assembly in which an electrode and a separator are alternately stacked and a battery case accommodating the electrode assembly therein, wherein the battery case comprises a stepped part that is disposed to be stepped, an outer surface of the battery case is sealed to allow a folded part to be seated on the outer surface of the stepped part, and the electrode assembly comprises a stepped protrusion that is stepped in a shape corresponding to an inner surface of the stepped part disposed on the battery case.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: September 29, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sei Woon Oh, Jung Ah Shim, Hyun Min Kim, Seong Yoon Lim
  • Patent number: 10784476
    Abstract: The present invention provides a sealing apparatus having a structure in which an application area of pressure and heat is increased by a pair of sealing blocks and a pressurization part extending from the sealing block. In the sealing apparatus according to the present invention based on the structure, when the sealing-planned part is pressurized, heat and pressure may be applied to the sealing-planned part or an insulating film to be extended, and thus an electrode lead and the sealing-planned part adjacent thereto may be firmly bonded.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: September 22, 2020
    Assignee: LG Chem, Ltd.
    Inventor: Seong Yoon Lim
  • Publication number: 20200235360
    Abstract: A battery cell of a venting structure using taping is disclosed. The battery cell includes a battery case including a first case and a second case, at least one of the first and second cases being provided with a receiving part for receiving the electrode assembly, thermally bonded edges for sealing the receiving part being provided outside the receiving part, a positive electrode lead and a negative electrode lead protruding outward from the battery case, and an electrode assembly received in the battery case, the electrode assembly having electrode tabs protruding from one end thereof, the electrode tabs being coupled to the positive electrode lead and the negative electrode lead, wherein seal reinforcement tapes are attached to some of the thermally bonded edges so as to surround outer ends of the some thermally bonded edges.
    Type: Application
    Filed: April 2, 2020
    Publication date: July 23, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Seong Yoon Lim, Ji Hyun Kim
  • Publication number: 20200203687
    Abstract: A battery module includes a secondary battery including an electrode assembly formed by alternately stacking an electrode and a separator and a pouch type battery case which accommodates the electrode assembly therein and in which an upper case and a lower case are integrated with each other, a housing which includes at least one opening and into which the secondary battery is inserted through an opening of the at least one opening, and a cooling unit formed in the housing and disposed at one side of the secondary battery. The battery case includes a folding edge part formed at an area on a side of the secondary battery at which the upper case and the lower case are folded at an edge where the upper case and the lower case are connected, and the folding edge part of the secondary battery directly contacts the cooling unit.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 25, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Min Hyung Kim, Hey Woong Park, Seong Yoon Lim
  • Publication number: 20200161622
    Abstract: The present invention relates to a secondary battery. The secondary battery according to the present invention comprises an electrode stack in which an electrode and a separator are combined with each other and a ground part grounding the electrode stack to the outside, wherein the ground part comprises a ground member disposed at one side of the separator to allow abnormal current flowing from the electrode to the one side of the separator to be introduced therein.
    Type: Application
    Filed: July 21, 2017
    Publication date: May 21, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Seong Yoon Lim, Mi Geum Choi
  • Patent number: 10651441
    Abstract: A battery cell of a venting structure using taping is disclosed. The battery cell includes a battery case including a first case and a second case, at least one of the first and second cases being provided with a receiving part for receiving the electrode assembly, thermally bonded edges for sealing the receiving part being provided outside the receiving part, a positive electrode lead and a negative electrode lead protruding outward from the battery case, and an electrode assembly received in the battery case, the electrode assembly having electrode tabs protruding from one end thereof, the electrode tabs being coupled to the positive electrode lead and the negative electrode lead, wherein seal reinforcement tapes are attached to some of the thermally bonded edges so as to surround outer ends of the some thermally bonded edges.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: May 12, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Seong Yoon Lim, Ji Hyun Kim
  • Patent number: 10615398
    Abstract: Disclosed herein are an electrode assembly including a plurality of unit cells arranged in a height direction on the basis of a plane, at least two of the unit cells having different planar sizes, and a space portion defined by the difference in planar size between the arranged unit cells, wherein each of the unit cells includes at least one electrode plate, electrode tabs protruding from the electrode plates of the unit cells are electrically connected to an electrode lead via a tab-lead coupling part, and the tab-lead coupling part is located in the space portion, and a battery cell including the same.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: April 7, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sei Woon Oh, Seong Yoon Lim, Hyun Min Kim, Jung Ah Shim, Ho Sub Lee, Jung Hwa Jung
  • Patent number: 10547034
    Abstract: Provided is a sealing apparatus of a pouch-type secondary battery, capable of preventing electrolyte leakage by constantly positioning a lead on a sealing groove so as to completely seal the secondary battery. A sealing apparatus according to the present disclosure is a sealing apparatus of a pouch-type secondary battery which seals a pouch case in which an electrode assembly is installed. The sealing apparatus includes upper and lower sealing blocks, wherein at least one sealing block of the upper and lower sealing blocks has a sealing groove having a slanted step portion which is formed at a position corresponding to the lead of the pouch-type secondary battery and a lead guide for seating the lead on the sealing groove is installed in front of the sealing block.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: January 28, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Seong-Yoon Lim, Ji-Hyun Kim
  • Patent number: 10490783
    Abstract: Disclosed is a pouch-type secondary battery, which prevents a metal layer made of a lamination sheet from being exposed outwards, and a method for manufacturing the same. The pouch-type secondary battery includes a pouch-type battery case; an electrode assembly mounted in the battery case; electrode leads of a positive electrode and a negative electrode, configured to have one end connected to the electrode assembly and the other end protruding out of the battery case; and a sealing portion configured to bond an upper sheet and a lower sheet of the battery case, wherein a tape having a metal foil is bonded to increase a moisture penetration path toward a terminal of the sealing portion.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: November 26, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Seong-Yoon Lim, Jung-Seok Choi
  • Patent number: 10340498
    Abstract: Disclosed is a battery cell, including an electrode assembly including electrode plates respectively having an electrode tab protruding therefrom and separators, which are alternately stacked, the electrode tabs being bent in an upper direction of the electrode assembly, the electrode assembly including an electrode lead coupled with an end of the bent electrode tabs to form a tab-lead coupler; and a battery case configured to accommodate the electrode assembly so that the electrode lead is partially exposed outwards. The tab-lead coupler is located on an extension line of an outermost electrode plate of the electrode assembly, which is located at a side where the electrode tabs are bent, and the tab-lead coupler is opposite to one side of the electrode assembly having the protruded electrode tab to come into contact with one side of the electrode assembly or be spaced apart therefrom.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: July 2, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Sei-Woon Oh, Seong-Yoon Lim, Ji-Hyun Kim, Won-Seok Jeong
  • Publication number: 20190181415
    Abstract: Disclosed herein is an electrode assembly configured to have a rectangular structure including two long sides and two short sides when viewed in a plan view, wherein the electrode assembly includes positive electrode tabs protruding from two or more regions of a first long side that are spaced apart from each other, the first long side being one of the two long sides, and negative electrode tabs protruding from two or more regions of a second long side that are spaced apart from each other, the second long side being the other of the two long sides, and wherein the positive electrode tabs are coupled to a positive electrode lead located at the first long side whereas the negative electrode tabs are coupled to a negative electrode lead located at the second long side.
    Type: Application
    Filed: November 6, 2017
    Publication date: June 13, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Sei-Woon Oh, Hyun-Min Kim, Seong-Yoon Lim, Sun-Hwak Woo
  • Publication number: 20190006636
    Abstract: A secondary battery according to the present invention comprises an electrode assembly in which an electrode and a separator are alternately stacked and a battery case accommodating the electrode assembly therein, wherein the battery case comprises a stepped part that is disposed to be stepped, an outer surface of the battery case is sealed to allow a folded part to be seated on the outer surface of the stepped part, and the electrode assembly comprises a stepped protrusion that is stepped in a shape corresponding to an inner surface of the stepped part disposed on the battery case.
    Type: Application
    Filed: September 18, 2017
    Publication date: January 3, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Sei Woon Oh, Jung Ah Shim, Hyun Min Kim, Seong Yoon Lim
  • Publication number: 20180261807
    Abstract: The present invention provides a sealing apparatus having a structure in which an application area of pressure and heat is increased by a pair of sealing blocks and a pressurization part extending from the sealing block. In the sealing apparatus according to the present invention based on the structure, when the sealing-planned part is pressurized, heat and pressure may be applied to the sealing-planned part or an insulating film to be extended, and thus an electrode lead and the sealing-planned part adjacent thereto may be firmly bonded.
    Type: Application
    Filed: December 15, 2016
    Publication date: September 13, 2018
    Applicant: LG CHEM, LTD.
    Inventor: Seong Yoon LIM
  • Publication number: 20180241023
    Abstract: A battery cell of a venting structure using taping is disclosed. The battery cell has an electrode assembly configured to have a structure in which a separator is interposed between a positive electrode and a negative electrode, mounted in a battery case.
    Type: Application
    Filed: September 9, 2016
    Publication date: August 23, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Seong Yoon Lim, Ji Hyun Kim
  • Publication number: 20180166667
    Abstract: A battery cell accommodated in a module case of a battery module according to an embodiment of the present disclosure, is characterized in that at least one of the battery cell is included and accommodated in the module case, and has a shape corresponding to internal space of the module case so as to prevent formation of dead space in the module case.
    Type: Application
    Filed: June 3, 2016
    Publication date: June 14, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Seong-Yoon LIM, Ji-Hyun KIM, Sun-Mo AN
  • Publication number: 20180047950
    Abstract: Provided is a sealing apparatus of a pouch-type secondary battery, capable of preventing electrolyte leakage by constantly positioning a lead on a sealing groove so as to completely seal the secondary battery. A sealing apparatus according to the present disclosure is a sealing apparatus of a pouch-type secondary battery which seals a pouch case in which an electrode assembly is installed. The sealing apparatus includes upper and lower sealing blocks, wherein at least one sealing block of the upper and lower sealing blocks has a sealing groove having a slanted step portion which is formed at a position corresponding to the lead of the pouch-type secondary battery and a lead guide for seating the lead on the sealing groove is installed in front of the sealing block.
    Type: Application
    Filed: March 28, 2016
    Publication date: February 15, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Seong-Yoon Lim, Ji-Hyun Kim
  • Publication number: 20180026254
    Abstract: Disclosed herein are an electrode assembly including a plurality of unit cells arranged in a height direction on the basis of a plane, at least two of the unit cells having different planar sizes, and a space portion defined by the difference in planar size between the arranged unit cells, wherein each of the unit cells includes at least one electrode plate, electrode tabs protruding from the electrode plates of the unit cells are electrically connected to an electrode lead via a tab-lead coupling part, and the tab-lead coupling part is located in the space portion, and a battery cell including the same.
    Type: Application
    Filed: January 28, 2016
    Publication date: January 25, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Sei Woon Oh, Seong Yoon Lim, Hyun Min Kim, Jung Ah Shim, Ho Sub Lee, Jung Hwa Jung
  • Publication number: 20170214028
    Abstract: Disclosed is a battery cell, including an electrode assembly including electrode plates respectively having an electrode tab protruding therefrom and separators, which are alternately stacked, the electrode tabs being bent in an upper direction of the electrode assembly, the electrode assembly including an electrode lead coupled with an end of the bent electrode tabs to form a tab-lead coupler; and a battery case configured to accommodate the electrode assembly so that the electrode lead is partially exposed outwards. The tab-lead coupler is located on an extension line of an outermost electrode plate of the electrode assembly, which is located at a side where the electrode tabs are bent, and the tab-lead coupler is opposite to one side of the electrode assembly having the protruded electrode tab to come into contact with one side of the electrode assembly or be spaced apart therefrom.
    Type: Application
    Filed: April 6, 2017
    Publication date: July 27, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Sei-Woon Oh, Seong-Yoon Lim, Ji-Hyun Kim, Won-Seok Jeong