Patents by Inventor Hong-Suk Choi

Hong-Suk Choi 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: 12362364
    Abstract: Disclosed are an all-solid-state battery that may have uniform deposition of lithium and have excellent durability, and a method of manufacturing the same.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: July 15, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Jae Min Lim, Hong Suk Choi, Sung Man Cho, Seon Hwa Kim, Young Jin Nam, Sang Wan Kim
  • Publication number: 20250226385
    Abstract: Described are an electrode for an all-solid-state battery including two types of conductive materials and a method of manufacturing the same. The electrode includes a composite including an electrode active material and a spherical conductive material attached to the surface of the electrode active material, a solid electrolyte, and a linear conductive material.
    Type: Application
    Filed: August 15, 2024
    Publication date: July 10, 2025
    Inventors: Dong Hyun Cho, Hong Suk Choi, Seon Hwa Kim, So Yeon Kim, Jae Seok Nam, Jae Min Lim, Hee Soo Kang
  • Publication number: 20250226464
    Abstract: Disclosed are a method of manufacturing an all-solid-state battery including a silicon-based anode active material, and methods of operating and testing an all-solid-state battery manufactured by the manufacturing method.
    Type: Application
    Filed: August 15, 2024
    Publication date: July 10, 2025
    Inventors: Seon Hwa Kim, Hong Suk Choi, Hee Soo Kang, Dong Hyun Cho, Jae Seok Nam, Jae Min Lim, So Yeon Kim
  • Patent number: 12355034
    Abstract: An all solid state battery includes a cathode active material layer disposed in contact with a predetermined area of a cathode current collector, a solid electrolyte layer disposed on the cathode active material layer, and including a central part disposed on the cathode active material layer based on a stack direction of the all solid state battery, and a peripheral part extending from the central part and contacting the cathode current collector while surrounding side surfaces of the cathode active material layer, an anode layer disposed on the solid electrolyte layer and having an area greater than an area of the cathode active material layer but less than an area of the solid electrolyte layer, and a spacer disposed on the solid electrolyte layer and in contact with side surfaces of the anode layer.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: July 8, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Wan Kim, Young Jin Nam, Sung Man Cho, Jae Min Lim, Hong Suk Choi
  • Publication number: 20250192163
    Abstract: A negative electrode for an all-solid-state battery and a method of manufacturing the same are provided. The negative electrode includes a conductive additive crushed using a resonance vibration method.
    Type: Application
    Filed: August 16, 2024
    Publication date: June 12, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Jae Seok Nam, Hong Suk Choi, Seon Hwa Kim, So Yeon Kim, Dong Hyun Cho, Jae Min Lim, Hee Soo Kang
  • Publication number: 20250166238
    Abstract: A method includes obtaining a geometric identifier for a target image; obtaining a description of a scene of the target image; parsing the geometric identifier and the description of the scene to obtain a plurality of instances; for each instance, obtaining a two-dimensional skeleton map, an occupancy map, a copied noise image, and a prompt specific to the instance; obtaining an intermediate image based on the two-dimensional skeleton map, the occupancy map, the copied noise image, and the prompt specific to the instance; denoising the intermediate image; generating the target image based on the denoised intermediate image; and controlling a display to output the generated target image.
    Type: Application
    Filed: March 22, 2024
    Publication date: May 22, 2025
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hong Suk CHOI, Isaac KASAHARA, Kazim Selim ENGIN, Moritz Alexander GRAULE, Nikhil Narsingh CHAVAN DAFLE, Ibrahim Volkan ISLER
  • Patent number: 12074325
    Abstract: An all-solid-state battery includes: an anode current collector; a lithium storage layer including a first layer located at an electrolyte-layer side and a second layer located at an anode current collector side, having a higher porosity than the first layer, and including an interface portion and a core portion, which is a remaining portion other than the interface portion; an electrolyte layer; and a cathode layer, wherein the anode current collector, the lithium storage layer, the electrolyte layer, and the cathode layer are sequentially laminated, and the interface portion is in contact with the first layer and has a higher binder content per unit volume than the core portion.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: August 27, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Young Jin Nam, Sang Wan Kim, Jae Min Lim, Hong Suk Choi
  • Publication number: 20240250269
    Abstract: Disclosed is an anodeless all-solid-state battery including a porous composite membrane in place of an anode current collector.
    Type: Application
    Filed: August 23, 2023
    Publication date: July 25, 2024
    Inventors: Hong Suk Choi, Sang Wan Kim, Hee Soo Kang, Jae Min Lim, Seon Hwa Kim
  • Publication number: 20240213452
    Abstract: Disclosed is an all-solid-state battery, which includes a plurality of intermediate layers including a first layer including a carbon material and a second layer including a metal and disposed on at least one surface of the first layer, and in which a lithium precipitation layer in which lithium is electrodeposited is located at the interface of an anode current collector at 40° C. or less, thereby improving volume expansion of the all-solid-state battery and maximizing battery performance.
    Type: Application
    Filed: September 6, 2023
    Publication date: June 27, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Seon Hwa Kim, Hong Suk Choi, Hee Soo Kang, Jae Min Lim, Sang Wan Kim
  • Publication number: 20240145728
    Abstract: Disclosed is an all-solid-state battery capable of suppressing volume expansion during charging and discharging.
    Type: Application
    Filed: April 10, 2023
    Publication date: May 2, 2024
    Inventors: Hee Soo Kang, Hong Suk Choi, Seon Hwa Kim, Jae Min Lim, Sang Wan Kim
  • Publication number: 20240079599
    Abstract: Disclosed is an anodeless all-solid-state battery which may effectively control local volume expansion due to lithium deposited during charging of the battery. The all-solid-state battery includes an anode current collector, an intermediate layer located on the anode current collector, a solid electrolyte layer located on the intermediate layer, a cathode active material layer located on the solid electrolyte layer and including a cathode active material, and a cathode current collector located on the cathode active material layer. The intermediate layer includes carbon particles and metal particles alloyable with lithium, and the carbon particles include a first carbon material, e.g., as a spherical carbon material, and a second carbon material, e.g., a linear carbon material.
    Type: Application
    Filed: April 25, 2023
    Publication date: March 7, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Young Jin Nam, Hong Suk Choi, Seon Hwa Kim, Hee Soo Kang, Jae Min Lim, Sang Wan Kim
  • Publication number: 20240047685
    Abstract: Proposed are an all-solid-state battery operable at room temperature and a method of manufacturing the same. The all-solid-state battery includes a negative electrode current collector, an intermediate layer positioned on the negative electrode current collector and including a carbon material and a metal capable of forming an alloy with lithium, a solid electrolyte layer positioned on the intermediate layer, a positive electrode layer positioned on the solid electrolyte layer, and a positive electrode current collector positioned on the positive electrode layer. The positive electrode layer includes a sheet layer with a network structure in which carbon nanotubes are arranged to provide pores and a positive electrode material filling the pores.
    Type: Application
    Filed: March 22, 2023
    Publication date: February 8, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Wan Kim, Hong Suk Choi, Hee Soo Kang, Jae Min Lim, Seon Hwa Kim
  • Publication number: 20230395806
    Abstract: Disclosed herein is an all-solid-state battery operable at room temperature and a method of manufacturing the same. The all-solid-state battery includes a negative electrode current collector, an intermediate layer positioned on the negative electrode current collector and including include a carbon component and a lithium alloy, a solid electrolyte layer positioned on the intermediate layer, a positive electrode active material layer positioned on the solid electrolyte layer and including a positive electrode active material that stores and releases lithium ions, and a positive electrode current collector positioned on the positive electrode active material layer.
    Type: Application
    Filed: December 13, 2022
    Publication date: December 7, 2023
    Inventors: Jae Min LIM, Hong Suk Choi, Seon Hwa Kim, Hee Soo Kang, Young Jin Nam, Sang Wan Kim
  • Publication number: 20230395786
    Abstract: An all-solid-state battery includes an anode current collector, an intermediate layer located on the anode current collector, a solid electrolyte layer located on the intermediate layer, a cathode active material layer located on the solid electrolyte layer and including a cathode active material, and a cathode current collector located on the cathode active material layer, wherein the intermediate layer includes a metal configured to form an alloy with lithium, and satisfies Equation 1 below, 50?Metal Content in Intermediate Layer/Discharge Capacity Density [?g/mAh]?200??[Equation 1].
    Type: Application
    Filed: November 28, 2022
    Publication date: December 7, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Hee Soo Kang, Young Jin Nam, Sang Wan Kim, Seon Hwa Kim, Jae Min Lim, Hong Suk Choi
  • Publication number: 20230369654
    Abstract: Disclosed are an all-solid-state battery having high capacity and excellent durability and a method for manufacturing the same. The method includes preparing a first solid electrolyte part including a first transfer film layer and a first layer disposed on the first transfer film layer and including a first solid electrolyte, preparing a second solid electrolyte part including a second transfer film layer and a second layer disposed on the second transfer film layer and including a second solid electrolyte, forming a first solid electrolyte layer on a cathode part by transferring the first layer onto the cathode part, forming a second solid electrolyte layer on an anode part by transferring the second layer onto the anode part, and preparing a stack by stacking the first solid electrolyte layer and the second solid electrolyte layer so as to come into contact with each other.
    Type: Application
    Filed: November 28, 2022
    Publication date: November 16, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sung Man Cho, Young Jin Nam, Hong Suk Choi, Seon Hwa Kim, Hee Soo Kang, Jae Min Lim, Sang Wan Kim
  • Publication number: 20230327123
    Abstract: Disclosed are an electrode slurry for all-solid-state batteries including a cluster composite in which particles of an electrode material are connected by a first binder which is a fiberized polymer, and a method for manufacturing the electrode slurry for all-solid-state batteries.
    Type: Application
    Filed: December 5, 2022
    Publication date: October 12, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Hong Suk Choi, Young Jin Nam, Seon Hwa Kim, Hee Soo Kang, Jae Min Lim, Sang Wan Kim
  • Publication number: 20230318076
    Abstract: An all-solid-state battery includes an anode current collector, an intermediate layer disposed on a first surface of the anode current collector, a solid electrolyte layer disposed on the intermediate layer, a cathode active material layer disposed on the solid electrolyte layer and including a cathode active material, a cathode current collector disposed on the cathode active material layer, and a reinforcement layer disposed on a second surface of the anode current collector, and the reinforcement layer includes a first layer including a polymer, and a second layer including a thermally conductive material.
    Type: Application
    Filed: December 12, 2022
    Publication date: October 5, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Seon Hwa Kim, Young Jin Nam, Sang Wan Kim, Hee Soo Kang, Jae Min Lim, Hong Suk Choi
  • Publication number: 20230275207
    Abstract: Proposed is a method of manufacturing an anode for a lithium secondary battery, including a pre-lithiation step.
    Type: Application
    Filed: November 22, 2022
    Publication date: August 31, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Korea Institute of Science and Technology
    Inventors: Young Jin Nam, Dae Yang Oh, Soon Chul Byun, Jae Min Lim, Hong Suk Choi, Min Ah Lee, Ji Hyun Hong, In Yeong Kang, Ju Young Jang
  • Publication number: 20230207886
    Abstract: An all-solid-state battery with improved durability by preventing deposition due to non-uniform growth of lithium (Li), according to an embodiment, includes an anode layer, a solid electrolyte layer disposed on the anode layer, a cathode layer disposed on the solid electrolyte layer, and an edge part disposed at an upper surface of the anode layer to contact a side surface of the solid electrolyte layer, thereby suppressing non-uniform lithium that may be non-uniformly deposited in a conventional all-solid-state battery, in particular, non-uniform lithium that may be deposited of in a corner direction between the electrode and a solid electrolyte layer. The edge part has a lower lithium ionic conductivity than that of the solid electrolyte layer.
    Type: Application
    Filed: December 9, 2022
    Publication date: June 29, 2023
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Sang Wan KIM, Young Jin NAM, Seon Hwa KIM, Hee Soo KANG, Jae Min LIM, Hong Suk CHOI
  • Publication number: 20230207828
    Abstract: Disclosed is an all-solid-state battery having a uniformly deposited or grown lithium layer, thereby having excellent durability.
    Type: Application
    Filed: November 19, 2022
    Publication date: June 29, 2023
    Inventors: Jae Min Lim, Hong Suk Choi, Sung Man Cho, Seon Hwa Kim, Young Jin Nam, Sang Wan Kim