Patents by Inventor Pi-Hsin Chung

Pi-Hsin Chung 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 for fabricating membrane electrode assembly
    Patent number: 7883654
    Abstract: Two catalyst electrode layers (CEL) are separately formed on two surfaces of a proton exchange membrane (PEM). The structure and processes are simple in the present invention for obtaining a membrane exchange assembly (MEA) with its thickness controllable. The MEA obtained can have a structure of CEL+PEM+CEL?. If a gas diffusion layer (GDL) is added before obtaining the CEL, a MEA having a structure of GDL+CEL+PEM+CEL?+GDL? is obtained.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: February 8, 2011
    Assignee: Atomic Energy Council-Institute of Nuclear Energy Research
    Inventors: Hwei-Lang Chang, Hen-Rong Chang, Kuo-Lon Shieh, Pi-Hsin Chung
  • Tubular membrane electrode assembly with leading wire
    Patent number: 7378172
    Abstract: Electrode catalyst slurry and a tubular conductive layer with leading wire are adhered on the inner and outside surface of a tubular proton membrane to be heated and pressed, where the leading wire of the tubular conductive layer and a conductive coating are formed into a whole without electroplating while avoiding the characteristic change of the electrode catalyst; and where the leading wire is led along the surface of the membrane with the characteristics of avoiding jamming the spindle space and of no side floss.
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: May 27, 2008
    Assignee: Atomic Energy Council - Institute of Nuclear Energy Research
    Inventors: Hwei-Lang Chang, Hen-Rong Chang, Kuo-Lon Shieh, Pi-Hsin Chung
  • Tubular membrane electrode assembly with leading wire
    Publication number: 20060251942
    Abstract: Electrode catalyst slurry and a tubular conductive layer with leading wire are adhered on the inner and outside surface of a tubular proton membrane to be heated and pressed, where the leading wire of the tubular conductive layer and a conductive coating are formed into a whole without electroplating while avoiding the characteristic change of the electrode catalyst; and where the leading wire is led along the surface of the membrane with the characteristics of avoiding jamming the spindle space and of no side floss.
    Type: Application
    Filed: May 9, 2005
    Publication date: November 9, 2006
    Inventors: Hwei-Lang Chang, Hen-Rong Chang, Kuo-Lon Shieh, Pi-Hsin Chung