Patents by Inventor Pilgun Oh

Pilgun Oh 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).

  • NEGATIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
    Publication number: 20240222605
    Abstract: This disclosure provides a negative electrode active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same. The negative electrode active material for a rechargeable lithium battery includes crystalline carbon having a plurality of pores therein, and lithiophilic material inside the plurality of pores, wherein the lithiophilic material is not present on the outer surface of the crystalline carbon.
    Type: Application
    Filed: December 27, 2023
    Publication date: July 4, 2024
    Inventors: Pilgun Oh, Yoonkook Son
  • Cathode active material for lithium rechargeable battery, method of manufacturing the same, and lithium rechargeable battery including the same
    Patent number: 9954221
    Abstract: The present invention relates to a cathode active material for a lithium rechargeable battery, a method of manufacturing the same, and a lithium rechargeable battery including the same, and provides the cathode active material for the lithium rechargeable battery, including a core including a compound represented by the following Chemical Formula 1, and a coating layer positioned on the core and including a compound represented by the following Chemical Formula 2. xLi2MnO3—(1-x)LiM1O2??[Chemical Formula 1] In Chemical Formula 1, 0<x<1 and M1 is a transition metal. yMnOz—(1-y)LiM2O2??[Chemical Formula 2] In Chemical Formula 2, 0<y<1, 1?z?4, and M2 is a transition metal.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: April 24, 2018
    Assignee: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jaephil Cho, Pilgun Oh
  • CATHODE ACTIVE MATERIAL FOR LITHIUM RECHARGEABLE BATTERY, METHOD OF MANUFACTURING THE SAME, AND LITHIUM RECHARGEABLE BATTERY INCLUDING THE SAME
    Publication number: 20150155553
    Abstract: The present invention relates to a cathode active material for a lithium rechargeable battery, a method of manufacturing the same, and a lithium rechargeable battery including the same, and provides the cathode active material for the lithium rechargeable battery, including a core including a compound represented by the following Chemical Formula 1, and a coating layer positioned on the core and including a compound represented by the following Chemical Formula 2. xLi2MnO3-(1-x)LiM1O2??[Chemical Formula 1] In Chemical Formula 1, 0<x<1 and M1 is a transition metal. yMnOz-(1-y)LiM2O2??[Chemical Formula 2] In Chemical Formula 2, 0<y<1, 1?z?4, and M2 is a transition metal.
    Type: Application
    Filed: April 11, 2014
    Publication date: June 4, 2015
    Applicant: UNIST Academy-Industry Research Corporation
    Inventors: Jaephil CHO, Pilgun Oh