Patents by Inventor Yooncheol Park

Yooncheol Park 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: 20250070151
    Abstract: It is related to a positive active material for all solid batteries, comprising: a positive active material with layered crystal structure, and wherein, a XRD spectrum of a grain of the positive active material has diffraction peaks corresponding to the (003) plane and the (110) plane, and a ratio of the full width at half maximum (FWHM) of the diffraction peak corresponding to the (110) plane to the full width at half maximum (FWHM) of the diffraction peak corresponding to the (003) plane is 1.30 to 1.60.
    Type: Application
    Filed: December 15, 2022
    Publication date: February 27, 2025
    Applicants: POSCO Holdings Inc., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Yooncheol PARK, Ji Woong MOON, Tai Hee EUN, Young Sang KIM, Jeongsik YUN, Sang Cheol NAM
  • Publication number: 20250054953
    Abstract: A positive electrode active material for an all-solid-state battery of the present exemplary embodiments may include: a core including a lithium nickel-based oxide; a first coating layer containing cobalt which is placed on a surface of the core; and a second coating layer containing a lithium transition metal oxide which is placed on a surface of the first coating layer.
    Type: Application
    Filed: December 15, 2022
    Publication date: February 13, 2025
    Applicants: POSCO HOLDINGS INC., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Ji Woong MOON, Tai Hee EUN, Yooncheol PARK, Jung Hoon SONG, Jeongsik YUN, Sang Cheol NAM
  • Patent number: 12085339
    Abstract: An apparatus for calcining a secondary battery cathode material includes: a calcination furnace including an inner space that includes a temperature rising space, a temperature maintaining space, and a cooling space, which sequentially communicate; a plurality of rollers for transferring a sagger, in which a cathode material is accommodated, from the temperature rising space to the cooling space via the temperature maintaining space; a plurality of heaters arranged along the inner space; a plurality of gas feeding parts for feeding gas to the inner space; and a plurality of exhaust parts for exhausting gas from the inner space, wherein the cross-sectional area of the temperature maintaining space is smaller than the cross-sectional area of the temperature rising space and the cross-sectional area of the cooling space.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: September 10, 2024
    Assignees: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO CHEMICAL CO., LTD
    Inventors: Choongmo Yang, Keeyoung Jung, Yooncheol Park, Yeong Woo Kim, Soon Cheol Hwang
  • Publication number: 20240297290
    Abstract: A vertical type apparatus for firing a cathode material of a secondary battery is provided. The vertical type apparatus for firing the cathode material according to the present disclosure includes a plurality of saggers, each having an open upper portion, provided with a through-slit for gas flow in a lower surface thereof, and loaded with the cathode material therein, and a plurality of unit firing furnaces, each having an open upper portion, each plurally stacked in the vertical direction, each receiving the respective sagger.
    Type: Application
    Filed: December 17, 2021
    Publication date: September 5, 2024
    Applicants: POSCO Holdings Inc., Research Institute of Industrial Science & Technology, POSCO Chemical Co., Ltd.
    Inventors: Choongmo YANG, Yong Hyun LEE, Jongyun MOON, Byoung Mu DO, Yeong Woo KIM, Sang Keun SONG, Soon Cheol HWANG, Jeong Heon HEO, Ji Woong MOON, Woo Taek KIM, Hyeon Woo KIM, Keeyoung JUNG, Yooncheol PARK, Min Young HWANG
  • Publication number: 20230074546
    Abstract: An apparatus for calcining a secondary battery cathode material includes: a calcination furnace including an inner space that includes a temperature rising space, a temperature maintaining space, and a cooling space, which sequentially communicate; a plurality of rollers for transferring a sagger, in which a cathode material is accommodated, from the temperature rising space to the cooling space via the temperature maintaining space; a plurality of heaters arranged along the inner space; a plurality of gas feeding parts for feeding gas to the inner space; and a plurality of exhaust parts for exhausting gas from the inner space, wherein the cross-sectional area of the temperature maintaining space is smaller than the cross-sectional area of the temperature rising space and the cross-sectional area of the cooling space.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 9, 2023
    Applicants: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO CHEMICAL CO., LTD
    Inventors: Choongmo YANG, Keeyoung JUNG, Yooncheol PARK, Yeong Woo KIM, Soon Cheol HWANG
  • Publication number: 20230053769
    Abstract: A vertical-type firing apparatus for a positive electrode material for a secondary battery, for vertically moving and firing the positive electrode material for the secondary battery, comprises: a vertical-type firing furnace including an exhaust part, an air supply part, and a firing space positioned between the exhaust part and the air supply part; and a heater for heating the firing space of the vertical-type firing furnace, wherein the firing space includes a temperature-raising space, a cooling space, and a temperature-maintaining space located between the temperature-raising space and the cooling space, and the temperature of the temperature-maintaining space is higher than the temperature of the temperature-raising space and the temperature of the cooling space.
    Type: Application
    Filed: December 1, 2020
    Publication date: February 23, 2023
    Applicants: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO CHEMICAL CO., LTD
    Inventors: Choongmo YANG, Soon Cheol HWANG, Yooncheol PARK, Keeyoung JUNG
  • Patent number: 7937954
    Abstract: The present invention relates to a cooling and heating cabinet device of a rear seat side for a vehicle using a thermoelectric module that is mounted between rear seats of a vehicle, having cooling and heating functions and further having an arm-resting function irrespective of its activation as the cooling and heating device, and that makes the exhaust fan activated by the control of the controller of the air conditioning system, thereby achieving the air-refreshing function as well as the cooling or heating mode function of the cooling and heating cabinet.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: May 10, 2011
    Assignee: Halla Climate Control Corporation
    Inventors: Sungho Kang, Yongsang Kim, Yooncheol Park, Sangchul Byun, Yongeun Seo
  • Publication number: 20090288800
    Abstract: The present invention relates to a cooling and heating cabinet device of a rear seat side for a vehicle using a thermoelectric module that is mounted between rear seats of a vehicle, having cooling and heating functions and further having an arm-resting function irrespective of its activation as the cooling and heating device, and that makes the exhaust fan activated by the control of the controller of the air conditioning system, thereby achieving the air-refreshing function as well as the cooling or heating mode function of the cooling and heating cabinet.
    Type: Application
    Filed: December 27, 2006
    Publication date: November 26, 2009
    Inventors: Sungho Kang, Yongsang Kim, Yooncheol Park, Sangchul Byun, Yongeun Seo