Patents by Inventor Guozhong Cao

Guozhong Cao 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).

  • Activated carbon cryogels and related methods
    Patent number: 7723262
    Abstract: Carbon cryogels, methods for making the carbon cryogels, methods for storing a gas using the carbon cryogels, and devices for storing and delivering a gas using the carbon cryogels.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: May 25, 2010
    Assignees: EnerG2, LLC, University of Washington
    Inventors: Aaron Feaver, Guozhong Cao
  • Electric Double Layer Capacitance Device
    Publication number: 20080180881
    Abstract: The present application is directed to electric double layer capacitance (EDLC) devices. In one aspect, the present application is directed to an electrode comprising an activated carbon cryogel having a tunable pore structure wherein: the surface area is at least 1500 m2/g as determined by nitrogen sorption at 77K and BET analysis; and the pore structure comprises a pore volume ranging from about 0.01 cc/g to about 0.25 cc/g for pores having a pore diameter of 0.6 to 1.0 nm. In another aspect, the present application is directed to an Electric Double Layer Capacitor (EDLC) device comprising an activated cryogel.
    Type: Application
    Filed: November 15, 2007
    Publication date: July 31, 2008
    Inventors: Aaron M. Feaver, Guozhong Cao
  • CARBON-BASED FOAM NANOCOMPOSITE HYDROGEN STORAGE MATERIAL
    Publication number: 20070292732
    Abstract: A carbon-based foam composite including a carbon-based foam and a solid state hydrogen storage material, methods for making the carbon-based foam composite, and methods for using the carbon-based foam composite. Representative carbon-based foams include cryogels, aerogels, and xerogels. Representative solid state hydrogen storage materials include metal hydrides and chemical hydrides.
    Type: Application
    Filed: November 30, 2006
    Publication date: December 20, 2007
    Applicant: WASHINGTON, UNIVERSITY OF
    Inventors: Aaron Feaver, Guozhong Cao
  • Carbon cryogels and related methods
    Publication number: 20070113735
    Abstract: Carbon cryogels, methods for making the carbon cryogels, methods for storing a gas using the carbon cryogels, and devices for storing and delivering a gas using the carbon cryogels.
    Type: Application
    Filed: November 21, 2005
    Publication date: May 24, 2007
    Inventors: Aaron Feaver, Guozhong Cao