Patents by Inventor Daejoogn Kim

Daejoogn Kim 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).

  • Fuel cell with electroosmotic pump
    Patent number: 7799453
    Abstract: Water flooding at the cathode of a fuel cell is a common problem in fuel cells. By integrating an electroosmotic (EO) pump to remove product water from the cathode area, fuel cell power can be increased. Integration of EO pumps transforms the designs of air channel and air breathing cathodes, reducing air pumping power loads and increasing oxidant transport. Hydration of gas streams, management of liquid reactants, and oxidant delivery can also be accomplished with integrated electroosmotic pumps. Electroosmotic pumps have no moving parts, can be integrated as a layer of the fuel cell, and scale with centimeter to micron scale fuel cells.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: September 21, 2010
    Assignees: The Board of Trustees of the Leland Stanford Junior University, Honda Motor Co., Ltd.
    Inventors: Juan Santiago, Jonathan Posner, Friedrich B. Prinz, Tibor Fabian, John Eaton, Suk-Won Cha, Cullen Buie, Daejoogn Kim, Hideaki Tsuru, Jun Sasahara, Tadahiro Kubota, Yuji Saito
  • Fuel cell with electroosmotic pump
    Publication number: 20060029851
    Abstract: Water flooding at the cathode of a fuel cell is a common problem in fuel cells. By integrating an electroosmotic (EO) pump to remove product water from the cathode area, fuel cell power can be increased. Integration of EO pumps transforms the designs of air channel and air breathing cathodes, reducing air pumping power loads and increasing oxidant transport. Hydration of gas streams, management of liquid reactants, and oxidant delivery can also be accomplished with integrated electroosmotic pumps. Electroosmotic pumps have no moving parts, can be integrated as a layer of the fuel cell, and scale with centimeter to micron scale fuel cells.
    Type: Application
    Filed: August 4, 2004
    Publication date: February 9, 2006
    Inventors: Juan Santiago, Jonathan Posner, Friedrich Prinz, Tibor Fabian, John Eaton, Suk-Won Cha, Cullen Buie, Daejoogn Kim, Hideaki Tsuru, Jun Sasahara, Tadahiro Kubota, Yuji Saito