Patents by Inventor Ju Yeong Seong

Ju Yeong Seong 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: 12142760
    Abstract: A cathode active material for an all-solid-state battery includes: active material particles; and a coating layer covering at least a portion of the surface of the active material particles, wherein the coating layer includes lithium (Li), niobium (Nb), and at least one element selected from the group consisting of vanadium (V), zirconium (Zr) and combinations thereof.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: November 12, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, ULSAN National Institute of Science and Technology
    Inventors: A Reum Ha, Ju Yeong Seong, Yong Gu Kim, In Woo Song, Hong Seok Min, Yong Sub Yoon, Yun Sung Kim, Sung Woo Noh, Yong Jun Jang, Sang Heon Lee, Jae Phil Cho, Hyo Myoung Lee
  • 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: 20240145719
    Abstract: A binder solution for an all-solid-state battery, an electrode slurry for an all-solid-state battery including the same and a method of manufacturing an all-solid-state battery using the same, and more particularly to a binder solution for an all-solid-state battery, in which a polymer binder configured such that a non-polar functional group is bonded to the end of a polar functional group is used, whereby the polar functional group is provided by a deprotection mechanism of the polymer binder through a thermal treatment, thus increasing adhesion between electrode materials to thereby improve battery capacity and enabling a wet process to thereby reduce manufacturing costs, an electrode slurry for an all-solid-state battery including the same and a method of manufacturing an all-solid-state battery using the same.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, Seoul National University R&DB Foundation
    Inventors: Sang Mo Kim, Sang Heon Lee, Yong Sub Yoon, Jae Min Lim, Ju Yeong Seong, Jin Soo Kim, Jang Wook Choi, Kyu Lin Lee, Ji Eun Lee
  • 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
  • Patent number: 11909001
    Abstract: An apparatus for manufacturing an all-solid-state battery includes: a mold unit which includes a first hole extending vertically so as to have a shape and a width identical with a shape and a width of the all-solid-state battery, and a second hole extending horizontally so as to horizontally communicate with the first hole; a first pressing unit which includes a first protrusion member corresponding to the first hole, which is coupled with an upper part of the mold unit, and which presses downwards raw materials of the all-solid-state battery filling the first hole, and a second pressing unit which includes a second protrusion member corresponding to the first hole, which is coupled with a lower part of the mold unit, and which presses upwards the raw materials of the all-solid-state battery filling the first hole.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: February 20, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Institute for Research & Industry Cooperation Pusan National University
    Inventors: Ju Yeong Seong, In Woo Song, Hong Seok Min, Yong Sub Yoon, Yun Sung Kim, Yong Jun Jang, Sung Woo Noh, In Chul Kim, A Reum Ha, Heon Cheol Shin, Yong Guk Gwon, Ji Ung Jeong, Seong Hyeok Ha
  • 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
  • Publication number: 20230207866
    Abstract: Disclosed are an all-solid-state battery including symmetrically arranged reference electrodes, a device for manufacturing the same, and a method of manufacturing using same.
    Type: Application
    Filed: October 10, 2022
    Publication date: June 29, 2023
    Inventors: A Reum Ha, Ju Yeong Seong, In Woo Song, Hong Seok Min, Yong Sub Yoon, Yun Sung Kim, In Chul Kim, Yong Jun Jang, Sung Woo Noh, Heon Cheol Shin, Gi Hwan Joe, Yu Jeong Min, Ji Ung Jeong, Seong Hyeok Ha
  • Publication number: 20230207867
    Abstract: Disclosed is a method of predicting the lithium ion conductivity of a solid electrolyte having a specific composition.
    Type: Application
    Filed: October 12, 2022
    Publication date: June 29, 2023
    Inventors: Ju Yeong Seong, In Woo Song, Sang Heon Lee, Sung Woo Noh, Je Sik Park, Jeong Hyun Seo, Yong Jun Jang, A Reum Ha, Sang Uck Lee, Byeong Sun Jun
  • Publication number: 20230187708
    Abstract: Disclosed is a method of screening a solid electrolyte having excellent lithium ion conductivity and stability.
    Type: Application
    Filed: November 29, 2022
    Publication date: June 15, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, Industry-University Cooperation Foundation Hanyang University ERICA Campus
    Inventors: Ju Yeong Seong, In Woo Song, Sang Heon Lee, Sung Woo Noh, Je Sik Park, Jeong Hyun Seo, Yong Jun Jang, A Reum Ha, Sang Uck Lee, Byeong Sun Jun
  • 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: 11637313
    Abstract: The present invention relates to a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries. The a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries includes a compound with an argyrodite-type crystal structure represented by the following Formula 1: LiaPSbNcXd??[Formula 1] wherein 6?a?7, 3<b<6, 0<c?1, 0<d?2, and each X is the same or different halogen atom selected from the group consisting of chlorine (Cl), bromine (Br), and iodine (I).
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: April 25, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Industry-University Cooperation Foundation Hanyang University
    Inventors: Ju Yeong Seong, Yong Jun Jang, Hong Seok Min, Sa Heum Kim, Yong Sub Yoon, Pil Gun Oh, Dong Wook Shin, Chan Hwi Park, Jin Oh Son
  • Patent number: 11631891
    Abstract: The present invention relates to a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries. The a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries includes a compound with an argyrodite-type crystal structure represented by the following Formula 1: LiaPSbNcXd??[Formula 1] wherein 6?a?7, 3<b<6, 0<c?1, 0<d?2, and each X is the same or different halogen atom selected from the group consisting of chlorine (Cl), bromine (Br), and iodine (I).
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: April 18, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Industry-University Cooperation Foundation, Hanyang University
    Inventors: Ju Yeong Seong, Yong Jun Jang, Hong Seok Min, Sa Heum Kim, Yong Sub Yoon, Pil Gun Oh, Dong Wook Shin, Chan Hwi Park, Jin Oh Son
  • Publication number: 20230088842
    Abstract: Disclosed herein is a composite anode for a lithium secondary battery and a method of manufacturing the same. The composite anode for a lithium secondary battery where a lithium metal or a lithium metal composite is uniformly distributed and located may be manufactured using a simple pulse-electrodepositing method while minimizing an amount of lithium to be used. Moreover, a dendrite growth of lithium may be suppressed during charging because the lithium metal or the lithium metal composite is uniformly located on the porous conductor.
    Type: Application
    Filed: September 13, 2022
    Publication date: March 23, 2023
    Inventors: Jesik Park, Sangheon Lee, A Reum Ha, Jeong Hyun Seo, Ju Yeong Seong, Sung Woo Noh
  • Patent number: 11575154
    Abstract: The present invention relates to a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries. The a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries includes a compound with an argyrodite-type crystal structure represented by the following Formula 1: LiaPSbNcXd??[Formula 1] wherein 6?a?7, 3?b?6, 0?c?1, 0?d?2, and each X is the same or different halogen atom selected from the group consisting of chlorine (Cl), bromine (Br), and iodine (I).
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: February 7, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Ju Yeong Seong, Yong Jun Jang, Hong Seok Min, Sa Heum Kim, Yong Sub Yoon, Pil Gun Oh, Dong Wook Shin, Chan Hwi Park, Jin Oh Son
  • Patent number: 11575149
    Abstract: A method for preparing a solid electrolyte for an all-solid state battery, may include obtaining a slurry by dispersing a first raw material comprising lithium sulfide; and a second raw material selected from the group consisting of silicon sulfide, phosphorus sulfide, germanium sulfide, boron sulfide, and a combination thereof in a solvent; and drying the slurry.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: February 7, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Korea Institute of Science and Technology
    Inventors: Jae Min Lim, Ju Yeong Seong, Yong Jun Jang, Hun Gi Jung, Hyoung Chul Kim, Eu Deum Jung, Bin Na Yoon
  • Publication number: 20220302432
    Abstract: Disclosed is a method of manufacturing a cathode active material for an all-solid-state battery by using sonication. The method includes: preparing a cathode active material; preparing a coating solution, the coating solution including a lithium-containing precursor and a transition-metal-containing precursor; preparing an admixture by adding the cathode active material to the coating solution; sonicating the admixture at a first temperature; and forming a coating layer including a lithium transition metal oxide on the cathode active material by heat-treating a resultant of the sonicating at a second temperature that is a temperature higher than the first temperature.
    Type: Application
    Filed: November 12, 2021
    Publication date: September 22, 2022
    Inventors: Sung Woo Noh, Sang Heon Lee, Je Sik Park, Jeong Hyun Seo, Ju Yeong Seong, A Reum Ha
  • Publication number: 20220181676
    Abstract: An argyrodite-based solid electrolyte may contain a compound having a novel composition calculated by simulation of Ab initio molecular dynamics (AIMD). The solid electrolyte containing a compound having a novel composition that satisfies a certain range of monoatomic disorder (รจ) and a certain range of standard deviation (STD) of the size of the area formed as migration paths of Li metals, which are calculated by AIMD simulation, has an advantage of excellent ion conductivity due to promoted diffusion of monoatoms in the area.
    Type: Application
    Filed: July 20, 2021
    Publication date: June 9, 2022
    Inventors: In Woo Song, Ju Yeong Seong, Hong Seok Min, Yong Jun Jang, Sang Heon Lee, Sang Uck Lee, Byeong Sun Jun
  • Publication number: 20220166008
    Abstract: An embodiment anode active material for an all-solid-state battery includes a carbon-based material including carbon-based particles and a coating layer formed on a surface of the carbon-based particles, the coating layer comprising amorphous carbon, and a silicon-based material. An embodiment method of manufacturing an anode active material for an all-solid-state battery includes manufacturing a carbon-based material by forming a coating layer including amorphous carbon from a hydrocarbon gas on a surface of carbon-based particles through thermal chemical vapor deposition, manufacturing a silicon-based material through thermal chemical vapor deposition using a feed comprising silane gas and ammonia gas, and mixing the carbon-based material and the silicon-based material.
    Type: Application
    Filed: October 28, 2021
    Publication date: May 26, 2022
    Inventors: Sung Woo Noh, Ju Yeong Seong, Yong Gu Kim, In Woo Song, Hong Seok Min, Yong Sub Yoon, Yun Sung Kim, A Reum Ha, Yong Jun Jang, Sang Heon Lee, Ki Hong Ahn, Jae Phil Cho