Patents by Inventor Won-Gwang LIM

Won-Gwang 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).

  • Patent number: 12785079
    Abstract: A carbon composite for an electrode of a battery, method for manufacturing the same, an electrode including the same, and a battery including the same are provided. The carbon composite comprises a porous carbon material including an outer surface and pores comprising an inner surface, the porous carbon material being doped with a heteroelement, and a catalyst comprising a transition metal formed on the outer surface or the inner surface of at least a plurality of the pores, and provides improved kinetic activity in electrochemical reaction during charge and discharge of the battery and cost efficiency for commercialization of the battery.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: November 3, 2026
    Assignee: LG Energy Solution, LTD.
    Inventors: Yo-Chan Jeong, Jinwoo Lee, Cheol-Young Park, Kwon-Nam Sohn, Seung-Bo Yang, Won-Gwang Lim
  • Publication number: 20240038968
    Abstract: The present disclosure relates to a carbon composite for use in a cathode of a lithium-sulfur battery and a method for preparing the same. The carbon composite material includes: a porous carbon support; a catalyst containing a transition metal; and a carbon layer coated on at least a portion of a surface of the catalyst, where the transition metal comprises at least one element of cobalt (Co) and iron (Fe), and where the carbon layer comprises a nitrogen (N)-containing carbon compound.
    Type: Application
    Filed: May 17, 2023
    Publication date: February 1, 2024
    Inventors: Yo Chan JEONG, Jinwoo LEE, Seoa KIM, Kwon-Nam SOHN, Seung-Bo YANG, Won-Gwang LIM
  • Publication number: 20230327084
    Abstract: A carbon composite for an electrode of a battery, method for manufacturing the same, an electrode including the same, and a battery including the same are provided. The carbon composite comprises a porous carbon material including an outer surface and pores comprising an inner surface, the porous carbon material being doped with a heteroelement, and a catalyst comprising a transition metal formed on the outer surface or the inner surface of at least a plurality of the pores, and provides improved kinetic activity in electrochemical reaction during charge and discharge of the battery and cost efficiency for commercialization of the battery.
    Type: Application
    Filed: December 16, 2022
    Publication date: October 12, 2023
    Inventors: Yo-Chan Jeong, Jinwoo Lee, Cheol-Young Park, Kwon-Nam Sohn, Seung-Bo Yang, Won-Gwang Lim
  • Publication number: 20230223515
    Abstract: Porous carbon particles, and a positive electrode active material and a lithium secondary battery including the same. This may improve the energy density of the lithium secondary battery by applying a porous electrode containing micropores and mesopores and having a uniform size distribution and shape as a positive electrode material.
    Type: Application
    Filed: March 16, 2023
    Publication date: July 13, 2023
    Applicants: LG ENERGY SOLUTION, LTD., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Dongwook LEE, Changshin JO, Jinwoo LEE, Kwonnam SOHN, Doo Kyung YANG, Won-Gwang LIM
  • Patent number: 11631842
    Abstract: Porous carbon particles, and a positive electrode active material and a lithium secondary battery including the same. This may improve the energy density of the lithium secondary battery by applying a porous electrode containing micropores and mesopores and having a uniform size distribution and shape as a positive electrode material.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: April 18, 2023
    Assignees: LG ENERGY SOLUTION, LTD., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Dongwook Lee, Changshin Jo, Jinwoo Lee, Kwonnam Sohn, Doo Kyung Yang, Won-Gwang Lim
  • Publication number: 20220278311
    Abstract: Porous carbon particles, and a positive electrode active material and a lithium secondary battery including the same. This may improve the energy density of the lithium secondary battery by applying a porous electrode containing micropores and mesopores and having a uniform size distribution and shape as a positive electrode material.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 1, 2022
    Applicants: LG ENERGY SOLUTION, LTD., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Dongwook LEE, Changshin JO, Jinwoo LEE, Kwonnam SOHN, Doo Kyung YANG, Won-Gwang LIM
  • Patent number: 11367866
    Abstract: Porous carbon particles, and a positive electrode active material and a lithium secondary battery including the same. This may improve the energy density of the lithium secondary battery by applying a porous electrode containing micropores and mesopores and having a uniform size distribution and shape as a positive electrode material.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: June 21, 2022
    Assignees: LG ENERGY SOLUTION, LTD., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Dongwook Lee, Changshin Jo, Jinwoo Lee, Kwonnam Sohn, Doo Kyung Yang, Won-Gwang Lim
  • Publication number: 20200295354
    Abstract: Porous carbon particles, and a positive electrode active material and a lithium secondary battery including the same. This may improve the energy density of the lithium secondary battery by applying a porous electrode containing micropores and mesopores and having a uniform size distribution and shape as a positive electrode material.
    Type: Application
    Filed: October 19, 2018
    Publication date: September 17, 2020
    Applicants: LG CHEM, LTD., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Dongwook LEE, Changshin JO, Jinwoo LEE, Kwonnam SOHN, Doo Kyung YANG, Won-Gwang LIM