Patents by Inventor Choongyu HWANG

Choongyu HWANG 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).

  • Method of improving thermoelectric performance of SnSe thermoelectric material
    Patent number: 11723273
    Abstract: Provided is a method of preparing an SnSe thermoelectric material including (a) heating a mixture including Sn2+ and Se2?, (b) cooling the mixture at a cooling rate greater than 0 and equal to or less than 3 K/h, and forming single crystal Sn1-xSe (where 0<x<1), and an SnSe thermoelectric material prepared thereby and including Sn vacancies.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: August 8, 2023
    Assignees: Korea Institute of Science and Technology, Pusan National University Industry-University Cooperation Foundation
    Inventors: Hyejin Ryu, Choongyu Hwang, Kyoo Kim
  • METHOD OF IMPROVING THERMOELECTRIC PERFORMANCE OF SnSe THERMOELECTRIC MATERIAL
    Publication number: 20220190228
    Abstract: Provided is a method of preparing an SnSe thermoelectric material including (a) heating a mixture including Sn2+ and Se2?, (b) cooling the mixture at a cooling rate greater than 0 and equal to or less than 3 K/h, and forming single crystal Sn1?xSe (where 0<x<1), and an SnSe thermoelectric material prepared thereby and including Sn vacancies.
    Type: Application
    Filed: December 14, 2021
    Publication date: June 16, 2022
    Applicants: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Pusan National University Industry-University Cooperation Foundation
    Inventors: Hyejin RYU, Choongyu HWANG, Kyoo KIM