Patents by Inventor Bum Lim

Bum 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: 20250223189
    Abstract: A positive electrode active material with a controlled specific surface area, a method of preparing the same, and a positive electrode containing the same, can have a density of the positive electrode active material being optimized by controlling the sintering conditions and composition of the positive electrode active material, thus maximizing the output characteristics of an all-solid-state battery containing the same. The positive electrode active material can include a lithium composite oxide enabling intercalation or deintercalation of lithium, wherein in the lithium composite oxide, a ratio (Sm/Sc) of a measured specific surface area (Sm) based on a Brunauer-Emmett-Teller (BET) method to a calculated specific surface area (Sc) based on a particle size distribution (PSD) analysis result is in a first range of 2.0 to 3.3.
    Type: Application
    Filed: August 15, 2024
    Publication date: July 10, 2025
    Inventors: Sung Woo Noh, Hong Seok Min, Je Sik Park, Jeong Hyun Seo, Chung Bum Lim, Yong Seok Lee, Joo Young Lee, Ju Yeong Seong, Im Sul Seo
  • Publication number: 20250201935
    Abstract: A test cell assembly can include a reference electrode. The reference electrode can be connected to the outside of an all-solid-state battery and two or more reference electrodes can be provided so as to be rotatable and linearly movable, so it is possible to switch electrode modes and replace a deteriorated reference electrode without disassembling the all-solid-state battery.
    Type: Application
    Filed: May 22, 2024
    Publication date: June 19, 2025
    Inventors: Chung Bum Lim, Hong-Seok Min, Sung Woo Noh, Je Sik Park, Jeong Hyun Seo, Im Sul Seo, Joo Young Lee, Ju Yeong Seong, Yong Seok Lee, Yu Jeong Min, So Young Joo, Ga Eun Lee, Heon-Cheol Shin
  • Publication number: 20250154023
    Abstract: An embodiment composite cathode active material includes a core part configured to enable intercalation and deintercalation of lithium and a shell part configured to cover surfaces of the core part and including an alkali metal oxide, wherein the alkali metal oxide includes a substituent element substituted for a part of an alkali metal and having a greater oxidation number than the alkali metal.
    Type: Application
    Filed: July 10, 2024
    Publication date: May 15, 2025
    Inventors: Im Sul Seo, Hong Seok Min, Sung Woo Noh, Je Sik Park, Chung Bum Lim, Yong Seok Lee, Joo Young Lee, Ju Yeong Seong, Jeong Hyun Seo, Jongsoon Kim
  • Publication number: 20250140824
    Abstract: A cathode active material for lithium secondary batteries having a multiphase structure and a manufacturing method thereof are disclosed. The cathode active material includes a lithium oxide according to the chemical formula Li1+xMn2O4 and having a multiphase structure including at least a cation-disordered rock salt (DRX) structure. In the formula, x satisfies the relationship 0?x?0.75.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 1, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Je Sik Park, Hong Seok Min, Sung Woo Noh, Jeong Hyun Seo, Im Sul Seo, Ju Yeong Seong, Chung Bum Lim, Dong Hwa Seo, Eun Ryeol Lee, Sang Wook Park, Ho Joon Kim
  • Publication number: 20250112236
    Abstract: A cathode material for sulfide-based all-solid-state batteries, in which Li3V2(PO4)3 (LVP) is doped with a transition metal having an oxidation number of +5 or more and the surface of the cathode material is substituted with a halogen element so as to have improved surface stability and energy density and to suppress side reactions with a solid electrolyte, a manufacturing method thereof, and an all-solid-state battery using the same.
    Type: Application
    Filed: December 11, 2024
    Publication date: April 3, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Im Sul Seo, Sang Heon Lee, Sung Woo Noh, Jeong Hyun Seo, Chung Bum Lim, Ju Yeong Seong, Je Sik Park
  • Publication number: 20250054948
    Abstract: A cathode active material with controlled rheological properties for lithium secondary batteries. In particular, the cathode active material for a lithium secondary battery includes: a core part comprising a lithium metal oxide; and a coating layer covering at least a portion of a surface of the core part and comprising an inorganic compound.
    Type: Application
    Filed: December 5, 2023
    Publication date: February 13, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, WONIK QnC CORPORATION
    Inventors: Je Sik Park, Hong Seok Min, Sung Woo Noh, Jeong Hyun Seo, Im Sul Seo, Ju Yeong Seong, Chung Bum Lim, Hyuk Chun Kwon, Ho Chang Lee, Seong Uk Oh, Ji Su Kim, Jong Hyun Park
  • Publication number: 20250038178
    Abstract: An embodiment regenerated cathode active material includes a first core region including a cathode active material in a layered crystal structure and a second core region enveloping a portion of the first core region, wherein the regenerated cathode active material has a first mole fraction of particles in the layered crystal structure of 0.96 to 1, has a second mole fraction of particles in a rock salt crystal structure of 0 to 0.02, and has a third mole fraction of particles in a spinel crystal structure of 0 to 0.02 based on the total cathode active material.
    Type: Application
    Filed: January 4, 2024
    Publication date: January 30, 2025
    Inventors: Im Sul Seo, Hong-Seok Min, Sung Woo Noh, Jeong Hyun Seo, Chung Bum Lim, Ju Yeong Seong, Je Sik Park
  • Patent number: 12206110
    Abstract: A cathode material for sulfide-based all-solid-state batteries, in which Li3V2(PO4)3 (LVP) is doped with a transition metal having an oxidation number of +5 or more and the surface of the cathode material is substituted with a halogen element so as to have improved surface stability and energy density and to suppress side reactions with a solid electrolyte, a manufacturing method thereof, and an all-solid-state battery using the same.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: January 21, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Im Sul Seo, Sang Heon Lee, Sung Woo Noh, Jeong Hyun Seo, Chung Bum Lim, Ju Yeong Seong, Je Sik Park
  • Publication number: 20250002367
    Abstract: In an embodiment, a cathode active material can include a lithium oxide having a disordered rocksalt (DRX) structure, and the lithium oxide is configured to phase-transform from the DRX structure into a spinel-like structure during charging so as to alleviate and/or prevent rate capability decrease and irreversible voltage drop caused by lithium and manganese existing in excess in the lithium oxide, and a lithium secondary battery embodiment including the same.
    Type: Application
    Filed: December 4, 2023
    Publication date: January 2, 2025
    Inventors: Je Sik Park, Hong-Seok Min, Sung Woo Noh, Jeong Hyun Seo, Chung Bum Lim, Ju Yeong Seong, Im Sul Seo, Dong Hwa Seo, Eun Ryeol Lee, Sang Wook Park
  • Publication number: 20240372078
    Abstract: Disclosed are a cathode for an all-solid-state battery including a composite-coated or double-coated cathode active material and a method of manufacturing the same.
    Type: Application
    Filed: September 6, 2023
    Publication date: November 7, 2024
    Inventors: Jeong Hyun Seo, Hong Seok Min, Sung Woo Noh, Je Sik Park, Im Sul Seo, Ju Yeong Seong, Chung Bum Lim, Yong Joon Park, Yong Jun Ji, Joo Young Lee, Myeong Jun Joo
  • Publication number: 20240162506
    Abstract: A battery pack includes a pair of battery modules having at least one pair of first grip grooves and at least one connector formed at a top thereof, a supporting plate coupled to a bottom of the pair of battery modules and fixed to the ground and a BMS assembly having a guide protrusion inserted into the first grip groove and coupled to the pair of battery modules in a plug-in type by means of the connector.
    Type: Application
    Filed: March 4, 2021
    Publication date: May 16, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Ki LEE, Jae-Hong KIM, Bum-Hyun LEE, Eung-Gyu LEE, Jae-Bum LIM, Yeo-Joo CHOI
  • Publication number: 20240120475
    Abstract: The present disclosure relates to a cathode active material for an all-solid-state battery with a controlled particle size and a method for preparing the same. In particular, the cathode active material includes lithium and a transition metal, wherein the cathode active material has a single peak in the range of 1 ?m to 10 ?m as a result of particle size distribution (PSD) analysis.
    Type: Application
    Filed: May 4, 2023
    Publication date: April 11, 2024
    Inventors: Sung Woo NOH, Hong Seok MIN, Sang Heon LEE, Jeong Hyun SEO, Im Sul SEO, Chung Bum LIM, Ju Yeong SEONG, Je Sik PARK
  • Publication number: 20240021822
    Abstract: A cathode active material for an all-solid-state battery including colloidal silica, a cathode active material, and a manufacturing method thereof are disclosed. It may be possible to achieve an enhancement in dispersion in a sulfide-based all-solid-state battery by controlling powder properties while reducing interfacial resistance between an electrolyte and a cathode active material of the sulfide-based all-solid-state battery.
    Type: Application
    Filed: November 30, 2022
    Publication date: January 18, 2024
    Inventors: Je Sik Park, Sang Heon Lee, Sung Woo Noh, Jeong Hyun Seo, Im Sul Seo, Ju Yeong Seong, Chung Bum Lim, Hyuk Chun Kwon, Ho Chang Lee, In Gu Choi, Ji Su Kim
  • Publication number: 20230395791
    Abstract: A cathode for all-solid-state batteries includes an additive as a sacrificial cathode material, and a method for manufacturing cathode for all-solid-state batteries. The additive may include a compound represented by Formula 1 below, (La2/3-xLi3x?1/3-2x)TiO3, ??[Formula 1] wherein ? may indicate a vacant site for achieving charge neutrality depending on a doping amount of lithium, and x may satisfy an equation of 0.04?x??.
    Type: Application
    Filed: November 28, 2022
    Publication date: December 7, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Chung Bum Lim, Sang Heon Lee, Sung Woo Noh, Jeong Hyun Seo, Im Sul Seo, Ju Yeong Seong, Je Sik Park
  • Publication number: 20230369588
    Abstract: A cathode material for sulfide-based all-solid-state batteries, in which Li3V2(PO4)3 (LVP) is doped with a transition metal having an oxidation number of +5 or more and the surface of the cathode material is substituted with a halogen element so as to have improved surface stability and energy density and to suppress side reactions with a solid electrolyte, a manufacturing method thereof, and an all-solid-state battery using the same.
    Type: Application
    Filed: December 15, 2022
    Publication date: November 16, 2023
    Inventors: Im Sul Seo, Sang Heon Lee, Sung Woo Noh, Jeong Hyun Seo, Chung Bum Lim, Ju Yeong Seong, Je Sik Park
  • Patent number: 11790808
    Abstract: A peg hook label apparatus includes a body provided with an electronic display unit displaying product information, and a holder provided on one end of the body and configured to have a first width in a portion connected to the body, the first width being greater than a second width of a locking hook disposed on an end portion thereof.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: October 17, 2023
    Assignee: SOLUM CO., LTD.
    Inventors: Hyun Hun Cho, Yong Bum Lim, Mi Deum Choi, Sang Baek Park
  • Publication number: 20230253658
    Abstract: Provided is a battery module having high efficiency and a high energy density by increasing degrees of freedom with respect to disposition of a connection member. The battery module includes a plurality of battery cells, an external terminal electrically connected to the plurality of battery cells and provided in front of or at rear of the plurality of battery cells, and a cover plate having electrical insulation properties, configured to cover at least one side of the plurality of battery cells, having an exposure hole formed to expose at least a portion of the external terminal, and including a protection portion having a plate shape protruding forward or rearward from each of both sides of the exposure hole in a left-right direction to form an accommodating space for accommodating a portion of the external terminal, and having an upper portion and a lower portion of the accommodating space being open.
    Type: Application
    Filed: November 25, 2021
    Publication date: August 10, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Gyeong-Su JEONG, Bum-Hyun LEE, Jae-Bum LIM, Seok-Hyun HONG
  • Publication number: 20230217646
    Abstract: A semiconductor device includes a vertical stack of ring-shaped electrodes that are electrically connected together into a top electrode of a capacitor, on a semiconductor substrate. A bottom electrode of the capacitor is also provided, which extends vertically in a direction orthogonal to a surface of the substrate and through centers of the vertical stack of ring-shaped electrodes. An electrically insulating bottom supporting pattern is provided, which extends between a lowermost one of the ring-shaped electrodes and an intermediate one of the ring-shaped electrodes.
    Type: Application
    Filed: August 16, 2022
    Publication date: July 6, 2023
    Inventors: Jung-Bum Lim, Seungjin Kim, Sangchul Yang, Jeon Il Lee, Hoin Lee
  • Publication number: 20230176133
    Abstract: The present disclosure relates to an all-solid-state battery analysis system capable of reliably obtaining an electrochemical signal according to the degree of charge of an electrode, and an all-solid-state battery analysis method using the same. The system may include a body member, of cylindrical shape, having a first cavity extending therethrough in a vertical direction and a second cavity extending therethrough in a horizontal direction and communicating with the first cavity. The system may include a first conductive member including a first base having a plate shape and a first protrusion protruding from the first base having a shape corresponding to a shape of the first cavity; and a second conductive member including a second base having a plate shape and a second protrusion protruding from the second base and having a shape corresponding to the shape of the first cavity.
    Type: Application
    Filed: November 13, 2022
    Publication date: June 8, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, Institute for Research & Industry Cooperation Pusan National University
    Inventors: Ju Yeong Seong, Im Sul Seo, Jeong Hyun Seo, Je Sik Park, Sung Woo Noh, Sang Heon Lee, Chung Bum Lim, Hye Won Kim, Jae Young Hong, So Young Joo, Yu Jeong Min, Ji Ung Jeong, Heon Cheol Shin
  • Patent number: D1033334
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: July 2, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Yeo-Joo Choi, Bum-Hyun Lee, Jae-Ki Lee, Jae-Bum Lim, Gyeong-Su Jeong, Seok-Hyun Hong