Patents by Inventor Geon Woo MIN

Geon Woo MIN 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: 20240063517
    Abstract: A button-type secondary battery has a diameter greater than a height thereof. The button-type secondary battery includes an electrode assembly; a can body in which the electrode assembly is accommodated; a base plate configured to cover an opening of an upper end of the can body and bonded to the can body, the base plate having a through-hole therein; an electrode terminal of which at least a portion is disposed into the through-hole to cover the through-hole; and an insulating gasket configured to insulate the electrode terminal from the base plate. The electrode terminal, the insulating gasket, and the base plate are bonded to each other through thermal fusion.
    Type: Application
    Filed: December 14, 2021
    Publication date: February 22, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Kwang Su HWANGBO, Geon Woo MIN, Do Gyun KIM
  • Publication number: 20240063423
    Abstract: A sub cell includes a jelly-roll type electrode assembly including an electrode tab, a current collector plate joined to one side of the electrode assembly, the current collector plate being electrically connected to the electrode tab, and a solder interposed between the electrode tab and the current collector plate to join the electrode tab and the current collector plate, the solder having a lower melting point than a melting point of the electrode tab and a melting point of the current collector plate.
    Type: Application
    Filed: January 19, 2022
    Publication date: February 22, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Su-Ji CHOI, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Min-Ki JO
  • Publication number: 20240055738
    Abstract: A fixing structure of an electrode includes a battery housing having a bottom with a perforation hole; an electrode terminal fixed to the bottom; and a terminal gasket interposed between the electrode terminal and the bottom. The electrode terminal includes a neck portion inserted into the perforation hole; a head portion connected to one end of the neck portion and having a cross section larger than the cross section of the perforation hole and extending along one surface of the bottom; a protrusion connected to the other end of the neck portion and extending along an axial direction of the battery housing from the other surface of the bottom; a diameter-enlarged portion configured to extend in a centrifugal direction from the protrusion; and a front end surface at an axial end of the protrusion. The diameter-enlarged portion may be a fastening member at an outer circumference of the protrusion.
    Type: Application
    Filed: November 24, 2022
    Publication date: February 15, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Geon-Woo MIN, Min-Ki JO, Do-Gyun KIM, Kwang-Su HWANGBO, Jae-Woong KIM
  • Publication number: 20240021928
    Abstract: A button-type secondary battery includes a lower can; an upper can is coupled to the lower can; an electrode assembly is on the lower can in an accommodation space defined between the lower can and the upper can. The lower can includes a first planar part, on which the electrode assembly is seated, and a first sidewall disposed vertically along a circumference of the first planar part such that a concave portion is defined in the first sidewall. The upper can includes a second planar part, which has an area that covers an opened top surface of the lower can, and a second sidewall disposed vertically along a circumference of the second planar part such that a convex portion is on an inner surface of the second sidewall. When the sidewall is coupled to be placed outside the first sidewall, the convex portion is fitted into the concave portion.
    Type: Application
    Filed: September 16, 2021
    Publication date: January 18, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Min Gyu KIM, Joo Hwan SUNG, Yong Gon LEE, Je Jun LEE, Jae Won LIM, Geon Woo MIN, Min Su CHO, Sang Hak CHAE
  • Publication number: 20240021958
    Abstract: Discussed is a battery that may include an electrode assembly including a first electrode, a second electrode and a separator wound around a winding axis, wherein the first electrode includes a first active material region coated with a first active material layer and a first uncoated region not coated with the first active material layer, and at least a part of the first uncoated region being an electrode tab; a first current collector coupled to at least a part of the first uncoated region on the electrode assembly; a battery housing to accommodate the electrode assembly and the first current collector; and an insulator interposed between at least one of the first uncoated region and the first current collector and an inner surface of the battery housing facing the at least one of the first uncoated region and the first current collector to block an electrical connection between the battery housing and the at least one of the first uncoated region and the first current collector.
    Type: Application
    Filed: January 19, 2022
    Publication date: January 18, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Min-Ki JO, Bo-Hyun KANG, Do-Gyun KIM, Geon-Woo MIN, Su-Ji CHOI, Kwang-Su HWANGBO, Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK
  • Publication number: 20240014521
    Abstract: A secondary battery includes an electrode assembly in which first and second electrodes and a separator provided between the first and second electrodes are wound, the first and second electrodes each including a non-coated portion, exposed to an outside of the separator, and having no active material applied thereto; and a current collecting plate provided at one end of the electrode assembly at which the non-coated portion of the first electrode is exposed, the current collecting plate including a central portion, and a peripheral portion provided around the central portion and configured to adjoin one end of the electrode assembly, in which the peripheral portion includes one or more first through-holes penetrated by at least a part of the non-coated portion of the first electrode. A battery pack having a plurality of the secondary batteries and a vehicle having the battery pack are also provided.
    Type: Application
    Filed: February 18, 2022
    Publication date: January 11, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Suji CHOI, Do Gyun KIM, Je Jun LEE, Kwang Su HWANG BO, Geon Woo MIN, Minki JO
  • Publication number: 20230411805
    Abstract: A secondary battery includes an electrode assembly in which first and second electrodes and a separator provided between the first and second electrodes are wound, the first and second electrodes each including a non-coated portion disposed at a long side end thereof, exposed to an outside of the separator, and having no active material applied thereto; and a current collecting plate provided at one end of the electrode assembly at which the non-coated portion of the first electrode is exposed, the current collecting plate including a central portion corresponding to a core of the electrode assembly, in which the central portion includes a first welding portion having a thickness smaller than a thickness of a remaining portion of the current collecting plate. A battery pack having a plurality of the secondary batteries and a vehicle having the battery pack are also provided.
    Type: Application
    Filed: February 18, 2022
    Publication date: December 21, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Suji CHOI, Kwang Su HWANG BO, Geon Woo MIN, Minki JO
  • Publication number: 20230402690
    Abstract: A secondary battery includes an electrode assembly having a first electrode tab and a second electrode tab, a battery can electrically connected to the second electrode tab and having an opening portion accommodating the electrode assembly, a top cap covering the opening portion of the battery can and electrically connected to the first electrode tab, a conductive washer electrically connected to the battery can and adjoining a peripheral portion of the opening portion, and an insulative member provided between the top cap and the battery can and the conductive washer electrically connected to the battery can, the insulative member being configured to electrically insulate the top cap and at least one of the battery can and the conductive washer. The top cap includes first and second surfaces facing each other, the second surface having a protruding portion exposed through a hole formed in a central portion of the conductive washer.
    Type: Application
    Filed: February 23, 2022
    Publication date: December 14, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Minki JO, Do Gyun KIM, Kwang Su HWANG BO, Geon Woo MIN, Suji CHOI, Bohyun KANG
  • Publication number: 20230387513
    Abstract: A cylindrical battery cell includes an electrode assembly including a first electrode tab and a second electrode tab, a battery can in which the electrode assembly is received, the battery can being electrically connected to the second electrode tab, a top cap to cover a top opening of the battery can, the top cap being electrically connected to the first electrode tab and electrically insulated from the battery can, and a terminal extension member coupled to a top of the battery can and electrically insulated from the top cap.
    Type: Application
    Filed: December 24, 2021
    Publication date: November 30, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI
  • Publication number: 20230343988
    Abstract: A button-type secondary battery includes an electrode assembly; a lower can into which the electrode assembly is disposed; and an upper can configured to cover an opening of an upper end of the lower can. A beading part recessed inward is disposed at an upper portion of the lower can. The upper end of the lower can disposed above the beading part has a bent shape and configured to surround an edge end of the upper can so that the upper can and the lower can are coupled to each other.
    Type: Application
    Filed: August 13, 2021
    Publication date: October 26, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Min Gyu KIM, Yong Gon LEE, Je Jun LEE, Jae Won LIM, Geon Woo MIN, Min Su CHO, Joo Hwan SUNG, Sang Hak CHAE
  • Publication number: 20230327303
    Abstract: A riveting structure of an electrode terminal includes a battery can, an electrode terminal riveted through a through-hole formed in a bottom of the battery can, and a gasket between the battery can and the electrode terminal, in which the electrode terminal includes a body portion inserted into the through-hole, an outer flange portion extending along an outer surface of the bottom of the battery can and an inner flange portion extending toward an inner surface of the bottom of the battery can, in which the body portion and the outer flange portion respectively have inner cavities connected to each other, and in which the inner flange portion has an opening portion connected to the inner cavities and opened in a direction toward the inside of the battery can.
    Type: Application
    Filed: February 18, 2022
    Publication date: October 12, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jaewoong KIM, Do Gyun KIM, Kwang Su HWANG BO, Geon Woo MIN, Minki JO, Suji CHOI
  • Publication number: 20230291039
    Abstract: A button-type secondary battery includes an electrode assembly; a lower can into which the electrode assembly is disposed; and an upper can configured to cover an opening of an upper end of the lower can. A beading part recessed inward is provided in an upper portion of the lower can. An end of the upper can has a bent shape so the upper can and the lower can are coupled to each other while an end point of the end of the upper can is inserted into the beading part.
    Type: Application
    Filed: September 16, 2021
    Publication date: September 14, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Min Gyu KIM, Yong Gon LEE, Je Jun LEE, Jae Won LIM, Geon Woo MIN, Min Su CHO, Joo Hwan SUNG, Sang Hak CHAE
  • Publication number: 20230291015
    Abstract: A battery includes an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and second electrode, a first portion including an active material extending between a pair of first sides, and a second portion extending between the pair of first sides and exposed beyond the separator, at least a part of the second portion includes an electrode tab; a battery housing having a first end with a first opening, a second end opposite the first end, and an inner surface, the battery housing accommodating the electrode assembly; a first current collector including a tab coupling portion coupled to the second portion of the first electrode and a housing coupling portion extending from the tab coupling portion and electrically coupled to the inner surface of the battery housing; and a cap covering the first opening of the battery housing.
    Type: Application
    Filed: April 7, 2023
    Publication date: September 14, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Pil-Kyu PARK
  • Publication number: 20230282911
    Abstract: A button-type secondary battery includes an electrode assembly; a lower can in which the electrode assembly is disposed and on which a first screw thread is defined on an outer circumferential surface thereof; an upper can which is configured to cover an opening of an upper end of the lower can and on which a second screw thread corresponding to the first screw thread is defined on an inner circumferential surface thereof; and an insulator interposed between the upper can and the lower can to prevent the upper can and the lower can from being electrically short-circuited with each other. The electrode assembly is formed by horizontally stacking a plurality of first electrodes, a separator, and a second electrode. A first electrode tab extending to be connected to each of the first electrodes of the electrode assembly is in contact with the upper can.
    Type: Application
    Filed: September 16, 2021
    Publication date: September 7, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Min Gyu KIM, Yong Gon LEE, Je Jun LEE, Jae Won LIM, Geon Woo MIN, Min Su CHO, Joo Hwan SUNG, Sang Hak CHAE
  • Patent number: 11749866
    Abstract: The present invention relates to a secondary battery capable of improving venting pressure distribution. A secondary battery including an electrode assembly, a can member that accommodates the electrode assembly, and a top cap assembly that covers an opening of the can member. The top cap assembly includes a top cap positioned at the uppermost portion and a safety vent part positioned below the top cap. The safety vent part includes a rupture portion that is ruptured when an internal pressure within the can member equals or exceeds a predetermined pressure, a rupture notch portion that defines a boundary of the rupture portion, and a bending notch portion which is spaced apart from the rupture notch portion toward a center of the rupture portion on a bottom surface of the rupture portion, and the bending notch portion is bent when the internal pressure within the can member increases.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: September 5, 2023
    Inventors: Geon Woo Min, Je Jun Lee, Sang Suk Jung
  • Publication number: 20230268593
    Abstract: A button-type secondary battery includes an electrode assembly; a lower can in which the electrode assembly is disposed and on which a first screw thread is defined on an outer circumferential surface thereof; an upper can which is configured to cover an opening of an upper end of the lower can and on which a second screw thread corresponding to the first screw thread is defined on an inner circumferential surface thereof; and an insulator interposed between the upper can and the lower can to prevent the upper can and the lower can from being electrically short-circuited with each other, wherein an electrode tab extending from an electrode of the electrode assembly is in contact with the upper can.
    Type: Application
    Filed: September 16, 2021
    Publication date: August 24, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Min Gyu KIM, Yong Gon LEE, Je Jun LEE, Jae Won LIM, Geon Woo MIN, Min Su CHO, Joo Hwan SUNG, Sang Hak CHAE
  • Publication number: 20230246243
    Abstract: A battery includes an electrode assembly including a first electrode, second electrode, and a separator between the first electrode and the second electrode, the first electrode including a first region coated with an active material and a second region at a first side and adjacent to the first region, the second region being exposed beyond the separator, and at least part of the second region is an electrode tab; a housing including a first end with a first opening, the housing accommodating the electrode assembly; a first current collector including an edge portion on the electrode assembly, a second region coupling portion extending from the edge portion and coupled with the second region, and a terminal coupling portion spaced apart from the second region coupling portion; and a terminal coupled with the terminal coupling portion.
    Type: Application
    Filed: April 6, 2023
    Publication date: August 3, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Su-Ji CHOI, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Min-Ki JO, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Hae-Jin LIM, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Pil-Kyu PARK
  • Publication number: 20230246244
    Abstract: A battery can include an electrode assembly, a battery housing, a terminal and a cap. The electrode assembly can have a first electrode, a second electrode and a separator between the first electrode and the second electrode. Each of the first electrode and the second electrode can have a first portion including an active material corresponding to the separator, and a second portion exposed beyond the separator and not coated with the active material. The battery housing can have a first end with a first opening and a second end with a second opening opposite the first end. The terminal can be electrically connected to the second portion of the first electrode and exposed out of the battery housing through the first opening of the battery housing at the first end.
    Type: Application
    Filed: April 6, 2023
    Publication date: August 3, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Bo-Hyun KANG, Jong-Sik PARK, Jae-Won LIM, Yu-Sung CHOE, Hak-Kyun KIM, Je-Jun LEE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Jae-Woong KIM, Ji-Min JUNG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Pil-Kyu PARK
  • Publication number: 20230246245
    Abstract: A battery can include an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode. The first electrode can have a pair of first sides and a pair of second sides extending between the pair of first sides, a first portion including an active material extending between the pair of first sides, and a second portion extending between the pair of first sides and exposed beyond the separator along a winding direction. The battery can further include a battery housing having a first opening at a first end and a second end with a second opening opposite the first end, a first current collector including a support portion positioned on the electrode assembly, and a housing cover which seals the first opening.
    Type: Application
    Filed: April 7, 2023
    Publication date: August 3, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Su-Ji CHOI, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Pil-Kyu PARK
  • Publication number: 20230246302
    Abstract: A battery can include an electrode assembly having a first electrode, a second electrode and a separator. The first electrode can include a first active material region coated with an active material layer along a winding direction and a first uncoated region not coated with the active material layer, and at least part of the first uncoated region used as an electrode tab. The battery can further include a first current collector coupled to at least part of the first uncoated region on the electrode assembly, a battery housing to accommodate the electrode assembly and the first current collector, and an insulator between an inner surface of the battery housing facing the first uncoated region or the first current collector and the first uncoated region or the first current collector to block the electrical connection between the first uncoated region and the battery housing.
    Type: Application
    Filed: April 7, 2023
    Publication date: August 3, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Min-Ki JO, Bo-Hyun KANG, Do-Gyun KIM, Geon-Woo MIN, Su-Ji CHOI, Kwang-Su HWANGBO, Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK