Patents Assigned to SM LAB CO., LTD.
  • Cathode active material, method for preparing same, and secondary battery including cathode comprising same
    Patent number: 12542277
    Abstract: The present disclosure relates to a cathode active material, a method of preparing the same, and a lithium secondary battery including a cathode including the cathode active material, the cathode active material including: a transition metal (M) other than a Co element, includes at least one element of W, Mg and Ti, and further includes an S element, a preparation method thereof, and a lithium secondary battery including a cathode including the cathode active material.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: February 3, 2026
    Assignee: SM LAB CO., LTD.
    Inventors: Min Ho Seo, Ji Young Kim
  • Crucible and crucible assembly, for preparing cathode active material
    Patent number: 12516445
    Abstract: The present disclosure provides a crucible assembly for producing a cathode active material. The crucible assembly includes a first crucible having an open top and an internal space and a second crucible disposed below the first crucible and having an incision groove with an open area at an upper portion of each sidewall.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: January 6, 2026
    Assignee: SM LAB CO., LTD.
    Inventors: Min Ho Seo, Ji Young Kim
  • Surface-treated active materials and surface treatment method thereof
    Patent number: 12368151
    Abstract: An active material and a surface treatment method of the active material are provided. A surface of the active material may be treated with a coating layer including a first metal oxide containing lithium, and a second metal oxide.
    Type: Grant
    Filed: March 17, 2023
    Date of Patent: July 22, 2025
    Assignee: SM LAB CO., LTD.
    Inventors: Jae Phil Cho, Seung Jun Myeong
  • Cathode active material, method of preparing the same, and lithium secondary battery including cathode including the same
    Patent number: 12155069
    Abstract: Provided is a cathode active material including a core including a compound represented by Formula 1; and a coating layer including a phosphorus-containing compound disposed on a surface of the core: Li1-xNaxM1?M21-?O2??Formula 1 In Formula 1, x, M1, M2, and ? are the same as defined in relation to the present specification.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: November 26, 2024
    Assignee: SM LAB CO., LTD.
    Inventors: Min Ho Seo, Ji Young Kim
  • Surface-treated active materials and surface treatment method thereof
    Patent number: 11637272
    Abstract: An active material and a surface treatment method of the active material are provided. A surface of the active material may be treated with a coating layer including a first metal oxide containing lithium, and a second metal oxide.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: April 25, 2023
    Assignee: SM LAB CO., LTD.
    Inventors: Jae Phil Cho, Seung Jun Myeong
  • Cathode active material, method of preparing the same, and lithium secondary battery including cathode including the same
    Patent number: 11456453
    Abstract: Provided is a cathode active material including a core including a compound represented by Formula 1; and a coating layer including a phosphorus-containing compound disposed on a surface of the core: LiaZr?W?M1????O2?bSb??Formula 1 In Formula 1, M, Zr, W, a, ?, ?, and b are the same as defined in relation to the present specification.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: September 27, 2022
    Assignee: SM LAB CO., LTD.
    Inventors: Min Ho Seo, Ji Young Kim