Patents by Inventor Sun-Tang CHANG

Sun-Tang CHANG 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).

  • Catalyst for fuel cell and method for manufacturing the same
    Patent number: 10529993
    Abstract: A method for manufacturing a catalyst for fuel cell includes: providing or receiving magnesium porphyrin-containing powder; mixing the magnesium porphyrin-containing powder with a carbon-containing carrier powder to form a first mixture, and performing a thermal treatment to pyrolyze the first mixture to form the catalyst for fuel cell. A catalyst for fuel cell is also provided herein.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: January 7, 2020
    Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Sun-Tang Chang, Chen-Hao Wang, Chia-Chi Liu, Huan-Ping Jhong
  • CATALYST FOR FUEL CELL AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20180166694
    Abstract: A method for manufacturing a catalyst for fuel cell includes: providing or receiving magnesium porphyrin-containing powder; mixing the magnesium porphyrin-containing powder with a carbon-containing carrier powder to form a first mixture, and performing a thermal treatment to pyrolzye the first mixture to form the catalyst for fuel cell. A catalyst for fuel cell is also provided herein.
    Type: Application
    Filed: December 5, 2017
    Publication date: June 14, 2018
    Inventors: Sun-Tang Chang, Chen-Hao Wang, Chia-Chi Liu, Huan-Ping Jhong
  • PREPARING METHOD OF CATALYST FOR FUEL CELL AND PREPARING METHOD OF MEMBRANE ELECTRODE ASSEMBLY
    Publication number: 20150086727
    Abstract: A preparing method of a catalyst for a fuel cell includes mixing a nitrogen-containing compound, a metal-containing compound, a carbon support, and a solvent to form a first composition, so that the nitrogen-containing compound and the metal-containing compound are dispersed in the solvent; removing the solvent of the first composition to form a second composition; performing a microwave process on the second composition.
    Type: Application
    Filed: March 26, 2014
    Publication date: March 26, 2015
    Applicant: National Taiwan University of Science and Technology
    Inventors: Chen-Hao Wang, Sun-Tang Chang, Hsiao-Chien Wang
  • CORRIN COMPOUND FUEL CELL CATALYSTS
    Publication number: 20110076598
    Abstract: The invention provides metal-containing corrin compounds as catalysts for oxygen reduction in electrochemical devices, such as in fuel cells. The catalysts provide more efficient reduction at lower cost than conventional noble metal catalyst. Methods for preparing the catalysts are also provided.
    Type: Application
    Filed: September 30, 2009
    Publication date: March 31, 2011
    Applicant: ACADEMIA SINICA
    Inventors: Kuei-Hsien CHEN, Chen-Hao WANG, Hsin-Cheng HSU, Sun-Tang CHANG, Li-Chyong CHEN