Patents by Inventor Hae Jin LIM

Hae Jin 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).

  • Publication number: 20220271403
    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: February 4, 2022
    Publication date: August 25, 2022
    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: 20220271402
    Abstract: A battery having an electrode assembly including a first electrode, a second electrode, and a separator between the first and the second electrode, the first electrode having 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, and at least part of the second portion includes an electrode tab; a battery housing having a first opening at a first end and a second end opposite the first end, the battery housing accommodating the electrode assembly; and a first current collector including a support portion on the electrode assembly, a first tab coupling portion extending from the support portion and coupled with the second portion of the first electrode and a first housing coupling portion extending from the support portion and electrically coupled onto an inner surface of the battery housing.
    Type: Application
    Filed: February 4, 2022
    Publication date: August 25, 2022
    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
  • Patent number: 11404752
    Abstract: A cylindrical secondary battery includes a jelly-roll type electrode assembly, a cylindrical battery case for receiving the jelly-roll type electrode assembly, and a cap assembly mounted to the open upper end of the cylindrical battery case. The jelly-roll type electrode assembly includes a long sheet type positive electrode and a long sheet type negative electrode wound with a separator interposed between the positive electrode and the negative electrode. A welding pole is formed on the bottom surface of the cylindrical battery case so as to extend perpendicularly thereto.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: August 2, 2022
    Inventors: Ha Young Heo, Je Jun Lee, Hyoung Kwon Kim, Hae Jin Lim, Sang Uck Kim
  • Publication number: 20220231345
    Abstract: A battery, includes an electrode assembly having a first electrode, a second electrode and a separator, wherein each of the first electrode and the second electrode has 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; a battery housing having a first end with a first opening and a second end with a second opening opposite the first end, the battery housing accommodating the electrode assembly through the second opening at the second end and electrically connected to the second portion of the second electrode; a terminal 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; and a cap covering and sealing the second opening at the second end of the battery housing.
    Type: Application
    Filed: January 19, 2022
    Publication date: July 21, 2022
    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
  • Patent number: 11349182
    Abstract: The present invention relates to an electrode assembly in which resistance is capable of being reduced. Also, an electrode assembly having a wound position and an unwound position includes an electrode having an electrode collector, the electrode collector having a coating portion coated with an active material and a non-coating portion on which the active material is not applied, when the electrode assembly is in the unwound position, the coating portion and the non-coating portion are adjacent to one another in a longitudinal direction of the electrode collector, one or more tab members extending from the non-coating portion, and one or more foil tabs extending from the coating portion in a width direction of the electrode collector perpendicular to the longitudinal direction, the active material not being applied to the foil tabs.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: May 31, 2022
    Inventors: Hae Jin Lim, Sang Uck Kim
  • Patent number: 11152638
    Abstract: The present invention relates to a secondary battery provided with a multi-tab. The secondary battery includes a jelly-roll in which an electrode and a separator are stacked to cross each other and which is wound around a central core, a plurality of multi-tab parts extending from the electrode and formed on a predetermined area at an end of the jelly-roll, a can member accommodating the jelly-roll, and an insulation member disposed adjacent to the end to insulate the can member from the jelly-roll. The insulation member includes a central hole punched in a center of the insulation member so that the central core passes therethrough and a tab hole punched around the central hole to correspond to the plurality of multi-tab parts so that the plurality of multi-tab parts pass therethrough.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: October 19, 2021
    Inventors: Hae Jin Lim, Sang Uck Kim
  • Publication number: 20210265708
    Abstract: An electrode assembly including a positive electrode sheet having a positive electrode active material portion that is an area on which a positive electrode active material is stacked on a positive electrode collector and a positive electrode non-coating portion, a positive electrode tab disposed on the positive electrode non-coating portion, a negative electrode sheet having a negative electrode active material portion that is an area on which a negative electrode active material is stacked on a negative electrode collector and a negative electrode non-coating portion; a negative electrode tab disposed on the negative electrode non-coating portion, and a separator insulating the positive electrode sheet and the negative electrode sheet from each other is provided. The positive electrode non-coating portion includes a first positive electrode non-coating portion and a second positive electrode non-coating portion, which are provided on two portions spaced apart from each other on the positive electrode sheet.
    Type: Application
    Filed: July 19, 2019
    Publication date: August 26, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Hae Jin LIM, Min KIM, Sang Uck KIM
  • Patent number: 11031646
    Abstract: The present disclosure provides a cylinder type battery cell manufacturing apparatus which is an apparatus configured to form a crimping portion on a cap assembly coupling portion of a cylinder type battery cell, the manufacturing apparatus including: a primary crimping mold configured to apply a primary pressure so that an open upper end portion of a cylinder type metal can forms an inclination inclined to a central axis of the metal can on a vertical section in a state in which a cap assembly is coupled to the open upper portion of the cylinder type metal can; and a secondary crimping mold configured to apply a secondary pressure to the open upper end portion in which the inclination is formed so that a flat section parallel to a lower surface of the metal can is formed in the crimping portion.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: June 8, 2021
    Inventors: Tae Hyun Kwon, Hae Jin Lim, Hyeon Soo Sim, Ha Young Heo, Joo Hwan Sung, Hyoung Kwon Kim, Duk Hyun Ryu
  • Publication number: 20200152952
    Abstract: A cylindrical secondary battery includes a jelly-roll type electrode assembly, a cylindrical battery case for receiving the jelly-roll type electrode assembly, and a cap assembly mounted to the open upper end of the cylindrical battery case. The jelly-roll type electrode assembly includes a long sheet type positive electrode and a long sheet type negative electrode wound with a separator interposed between the positive electrode and the negative electrode. A welding pole is formed on the bottom surface of the cylindrical battery case so as to extend perpendicularly thereto.
    Type: Application
    Filed: December 19, 2018
    Publication date: May 14, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Ha Young Heo, Je Jun Lee, Hyoung Kwon Kim, Hae Jin Lim, Sang Uck Kim
  • Publication number: 20190379028
    Abstract: The present invention relates to an electrode assembly in which resistance is capable of being reduced. Also, an electrode assembly having a wound position and an unwound position includes an electrode having an electrode collector, the electrode collector having a coating portion coated with an active material and a non-coating portion on which the active material is not applied, when the electrode assembly is in the unwound position, the coating portion and the non-coating portion are adjacent to one another in a longitudinal direction of the electrode collector, one or more tab members extending from the non-coating portion, and one or more foil tabs extending from the coating portion in a width direction of the electrode collector perpendicular to the longitudinal direction, the active material not being applied to the foil tabs.
    Type: Application
    Filed: April 13, 2018
    Publication date: December 12, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Hae Jin Lim, Sang Uck Kim
  • Patent number: 10503073
    Abstract: New photoresists are provided that are useful in a variety of applications, including negative-tone development processes. Preferred resists comprise a first polymer that comprises (i) first units comprising a nitrogen-containing moiety that comprises an acid-labile group; and (ii) second units that (1) comprise one or more hydrophobic groups and (2) are distinct from the first units.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: December 10, 2019
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Eui-Hyun Ryu, Min-Kyung Jang, Chang-Young Hong, Dong-Yong Kim, Dong-Je Hong, Hae-Jin Lim, Myung Yeol Kim, Hyun Jeon
  • Patent number: 10483502
    Abstract: Disclosed herein is a battery cell configured to have a structure in which an electrode assembly, including positive electrodes and negative electrodes stacked in the state in which separators are disposed respectively between the positive electrodes and the negative electrodes, is mounted in a cell case in the state in which the electrode assembly is impregnated with an electrolyte, wherein the electrode assembly and the cell case are deformable in response to the shape of a device in which the battery cell is mounted, and anti-wrinkle members, for preventing wrinkles from being formed in the cell case when the cell case is deformed, are added to at least portions of the outer surfaces of the electrode assembly.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: November 19, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Sung Pil Yoon, Jin Soo Lee, Joo Hwan Sung, Seong Min Kim, Jung Koo Kang, Ju Bin Kim, Hae Jin Lim, Seunghe Woo
  • Publication number: 20190348703
    Abstract: The present invention relates to a secondary battery provided with a multi-tab. The secondary battery includes a jelly-roll in which an electrode and a separator are stacked to cross each other and which is wound around a central core, a plurality of multi-tab parts extending from the electrode and formed on a predetermined area at an end of the jelly-roll, a can member accommodating the jelly-roll, and an insulation member disposed adjacent to the end to insulate the can member from the jelly-roll. The insulation member includes a central hole punched in a center of the insulation member so that the central core passes therethrough and a tab hole punched around the central hole to correspond to the plurality of multi-tab parts so that the plurality of multi-tab parts pass therethrough.
    Type: Application
    Filed: May 30, 2018
    Publication date: November 14, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Hae Jin Lim, Sang Uck Kim
  • Publication number: 20190148683
    Abstract: The present disclosure provides a cylinder type battery cell manufacturing apparatus which is an apparatus configured to form a crimping portion on a cap assembly coupling portion of a cylinder type battery cell, the manufacturing apparatus including: a primary crimping mold configured to apply a primary pressure so that an open upper end portion of a cylinder type metal can forms an inclination inclined to a central axis of the metal can on a vertical section in a state in which a cap assembly is coupled to the open upper portion of the cylinder type metal can; and a secondary crimping mold configured to apply a secondary pressure to the open upper end portion in which the inclination is formed so that a flat section parallel to a lower surface of the metal can is formed in the crimping portion.
    Type: Application
    Filed: November 28, 2017
    Publication date: May 16, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Tae Hyun Kwon, Hae Jin Lim, Hyeon Soo Sim, Ha Young Heo, Joo Hwan Sung, Hyoung Kwon Kim, Duk Hyun Ryu
  • Patent number: 10276887
    Abstract: Disclosed herein is a battery cell having an electrode assembly including one or more unit cells mounted in a variable cell case in a state in which the electrode assembly is impregnated with an electrolyte, wherein at least one of the unit cells includes a flexible electrode that can be bent or curved, an electrode current collector of the flexible electrode includes a first surface, to which an electrode active material is applied, and a second surface, to which no electrode active material is applied, the second surface being opposite to the first surface, and the second surface is provided with a mesh for improving flexibility of the electrode.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: April 30, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Seong Min Kim, Jin Soo Lee, Joo Hwan Sung, Sung Pil Yoon, Jung Koo Kang, Ju Bin Kim, Hae Jin Lim, Seunghe Woo
  • Patent number: 10274824
    Abstract: New photobase generators suitable for use in photoresists are provided that correspond to Formula (I): X1—R1—O—C(?O)N(R2)R3??(I) wherein X1 is an optionally substituted aromatic group; R1 is a linker; and R2 and R3 are the same or different optionally substituted linear, branched or cyclic aliphatic group or an optionally substituted aromatic group, wherein at least one of R2 and R3 is an optionally substituted branched alkyl group having 4 or more carbon atoms.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: April 30, 2019
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Min-Kyung Jang, Eui Hyun Ryu, Chang-Young Hong, Myung Yeol Kim, Jung-June Lee, Dong Je Hong, Dong-Yong Kim, Hae-Jin Lim, Jae Yun Ahn, Ohk-Min Jeon
  • Patent number: 10115938
    Abstract: Disclosed herein is a battery case made of a laminate sheet including an outer coating layer made of a weather-resistant polymer, an inner sealant layer made of a thermally bondable polymer, and a barrier layer interposed between the outer coating layer and the inner sealant layer, wherein an electrode assembly configured to be bent or curved in conformity with the shape of a device, in which a battery cell is mounted, is received in the battery case, and a pattern is formed on at least one surface of the battery case that faces an outer surface of the electrode assembly.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: October 30, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Hae Jin Lim, Jung Koo Kang, Seong Min Kim, Ju Bin Kim, Joo Hwan Sung, Seunghe Woo, Sung Pil Yoon, Jin Soo Lee
  • Patent number: 10090492
    Abstract: Disclosed herein is a battery cell having an electrode assembly mounted in a variable cell case in a state in which the electrode assembly is impregnated with an electrolyte, the battery cell being configured to be flexibly deformed in response to the shape of a device, in which the battery cell is mounted, wherein an uppermost end electrode and/or a lowermost end electrode of the electrode assembly in the direction in which electrodes are stacked is provided on an electrode current collector thereof, facing the inner surface of the cell case, with an electrode mixture including inert particles, 10 to 100% of the inert particles being distributed on the surface of the electrode mixture such that a concave-convex structure is formed in the surface of the electrode mixture in vertical section.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: October 2, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Jung Koo Kang, Jin Soo Lee, Joo Hwan Sung, Sung Pil Yoon, Seong Min Kim, Ju Bin Kim, Hae Jin Lim, Seunghe Woo
  • Patent number: 10050301
    Abstract: Disclosed herein is a battery cell having an electrode assembly mounted in a variable cell case in a state in which the electrode assembly is impregnated with an electrolyte, the battery cell being configured to be flexibly deformed in response to the shape of a device, in which the battery cell is mounted, wherein a coating part including inert particles is formed on at least one outer surface of the electrode assembly.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: August 14, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jung Koo Kang, Jin Soo Lee, Joo Hwan Sung, Sung Pil Yoon, Seong Min Kim, Ju Bin Kim, Hae Jin Lim, Seunghe Woo
  • Patent number: 10014497
    Abstract: Disclosed herein is a battery cell configured such that an electrode assembly having a positive electrode/separator/negative electrode structure is received in an electrode assembly receiving part formed in a pouch-type battery case in a sealed state together with an electrolyte, wherein the battery case is provided with sealed parts, formed by thermally welding the outer edge of the battery case in the state in which the electrode assembly is received in the battery case together with the electrolyte, one or more recesses are formed in opposite side sealed parts adjacent to an upper end sealed part, at which electrode terminals are located, and/or a lower end sealed part in a state in which the recesses are formed from outsides of the side sealed parts toward a vertical middle axis of the battery cell so as to prevent wrinkles from being formed in the sealed parts of the battery case when the battery cell is bent, and portions of the side sealed parts in which the recesses are located are sealed at a higher
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: July 3, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jin Soo Lee, Joo Hwan Sung, Sung Pil Yoon, Seong Min Kim, Jung Koo Kang, Ju Bin Kim, Hae Jin Lim, Seunghe Woo