Patents by Inventor Chao-Yi Yuh

Chao-Yi Yuh 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).

  • Publication number: 20160285114
    Abstract: A fuel cell matrix for use in a molten carbonate fuel cell comprising a support material and an additive material formed into a porous body, and an electrolyte material disposed in pores of the porous body, wherein the additive material is in a shape of a flake and has an average thickness of less than 1 ?m.
    Type: Application
    Filed: June 3, 2016
    Publication date: September 29, 2016
    Inventors: Abdelkader Hilmi, Arun Surendranath, Chao-Yi Yuh, Mohammad Farooque
  • Publication number: 20150214564
    Abstract: A fuel cell matrix for use in a molten carbonate fuel cell comprising a support material and an additive material formed into a porous body, and an electrolyte material disposed in pores of the porous body, wherein the additive material is in a shape of a flake and has an average thickness of less than 1 ?m.
    Type: Application
    Filed: January 27, 2014
    Publication date: July 30, 2015
    Applicant: FuelCell Energy, Inc.
    Inventors: Abdelkader Hilmi, Arun Surendranath, Chao-Yi Yuh, Mohammad Farooque
  • Patent number: 9005837
    Abstract: A gasket for a manifold seal for a fuel cell system includes a first layer of fibrous ceramic material having a first compressibility, a second layer of fibrous ceramic material having a second compressibility and a third layer of fibrous ceramic material having third compressibility. The third layer of fibrous ceramic material is positioned between and engaged with the first layer of fibrous ceramic material and the second layer of fibrous ceramic material. The third compressibility is less than the first compressibility and less than the second compressibility.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: April 14, 2015
    Assignee: Fuelcell Energy, Inc.
    Inventors: Tom X. Jian, Chao-Yi Yuh, Ling Chen, Daniela Nedu
  • Publication number: 20140038081
    Abstract: A gasket for a manifold seal for a fuel cell system includes a first layer of fibrous ceramic material having a first compressibility, a second layer of fibrous ceramic material having a second compressibility and a third layer of fibrous ceramic material having third compressibility. The third layer of fibrous ceramic material is positioned between and engaged with the first layer of fibrous ceramic material and the second layer of fibrous ceramic material. The third compressibility is less than the first compressibility and less than the second compressibility.
    Type: Application
    Filed: August 7, 2013
    Publication date: February 6, 2014
    Applicant: FuelCell Energy, Inc.
    Inventors: Tom X. Jian, Chao-Yi Yuh, Ling Chen, Daniela Nedu
  • Patent number: 8557468
    Abstract: A high-performance carbonate electrolyte for use in a molten carbonate fuel cell comprising a cathode electrode, an anode electrode, an electrolyte matrix and at least a cathode current collector abutting said cathode electrode, the high-performance carbonate electrolyte comprising: a first carbonate electrolyte stored in at least the cathode electrode of the molten carbonate fuel cell comprising a mixture of eutectic Li/Na carbonate electrolyte doped with one or more additive materials and one or more lithium precursors, wherein the additive materials include one or more of Rb2CO3, Cs2CO3, BaCO3, La2O3, Bi2O3, Ta2O5 and mixtures thereof, and a second carbonate electrolyte stored in at least the cathode current collector, the second carbonate electrolyte having a composition that is the same or different from the first carbonate electrolyte.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: October 15, 2013
    Assignee: FuelCell Energy, Inc.
    Inventors: Abdelkader Hilmi, Chao-Yi Yuh, Mohammad Farooque
  • Patent number: 8435694
    Abstract: A molten carbonate fuel cell cathode having a cathode body and a coating of a mixed oxygen ion conductor materials. The mixed oxygen ion conductor materials are formed from ceria or doped ceria, such as gadolinium doped ceria or yttrium doped ceria. The coating is deposited on the cathode body using a sol-gel process, which utilizes as precursors organometallic compounds, organic and inorganic salts, hydroxides or alkoxides and which uses as the solvent water, organic solvent or a mixture of same.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: May 7, 2013
    Assignee: FuelCell Energy, Inc.
    Inventors: Abdelkader Hilmi, Chao-Yi Yuh
  • Patent number: 8163437
    Abstract: A molten carbonate fuel cell anode comprising a porous anode body, which comprises a nickel-based alloy and at least one ceramic additive dispersed throughout the anode body. The amount of the ceramic additive in the anode body is between 5 and 50% by volume. The nickel-based alloy is Ni—Cr or Ni—Al, and the ceramic additive is one of CeO2, yttrium doped ceria, yttrium doped zirconia, TiO2, Li2TiO3, LiAlO2 and La0.8Sr0.2CoO3.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: April 24, 2012
    Assignee: FuelCell Energy, Inc.
    Inventors: Abdelkader Hilmi, Chao-Yi Yuh, Mohammad Farooque
  • Publication number: 20120021328
    Abstract: A high-performance carbonate electrolyte for use in a molten carbonate fuel cell comprising a cathode electrode, an anode electrode, an electrolyte matrix and at least a cathode current collector abutting said cathode electrode, the high-performance carbonate electrolyte comprising: a first carbonate electrolyte stored in at least the cathode electrode of the molten carbonate fuel cell comprising a mixture of eutectic Li/Na carbonate electrolyte doped with one or more additive materials and one or more lithium precursors, wherein the additive materials include one or more of Rb2CO3, Cs2CO3, BaCO3, La2O3, Bi2O3, Ta2O5 and mixtures thereof, and a second carbonate electrolyte stored in at least the cathode current collector, the second carbonate electrolyte having a composition that is the same or different from the first carbonate electrolyte.
    Type: Application
    Filed: July 21, 2010
    Publication date: January 26, 2012
    Inventors: ABDELKADER HILMI, Chao-Yi Yuh, Mohammad Farooque
  • Patent number: 8088697
    Abstract: A fibrous ceramic material including a plurality of fibers entangled with one another. The fibrous ceramic material includes at least one connector projecting between the fibers. At least a portion of the fibers have the connectors extending between and attach the fibers to one another. A method of manufacturing the fibrous ceramic material includes providing a precursor material having a plurality of fibers. A holder is provided for holding the precursor material. The precursor material is placed on the holder and both are heated to between about 1500 degrees Celsius and about 1700 degrees Celsius to form the fibrous ceramic material, thereby causing connectors to project from a portion of the fibers and attach the fibers to one another.
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: January 3, 2012
    Assignee: FuelCell Energy, Inc.
    Inventors: Chao-Yi Yuh, Dana A. Kelley, Nikhil H. Jalani
  • Patent number: 8062779
    Abstract: A method of making an anode element for use in a fuel cell, comprising providing a first amount of Ni—Al alloy material having a predetermined aluminum content, providing a second amount of Ni—Cr alloy material having a predetermined chromium content, providing at least one additive component, mixing the Ni—Al alloy material, the Ni—Cr alloy material and the at least one additive component to produce a slurry and forming the slurry into the anode element.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: November 22, 2011
    Assignee: FuelCell Energy, Inc.
    Inventors: Abdelkader Hilmi, Chao-Yi Yuh, Mohammad Farooque
  • Patent number: 8057955
    Abstract: A caulk is provided for use in a fuel cell system having an externally manifolded fuel cell stack, forming a gas seal between a manifold gasket and the stack face. The caulk is formed of a ceramic material and a binder formed into a paste.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: November 15, 2011
    Assignee: FuelCell Energy, Inc.
    Inventors: Dana A. Kelley, Chao-Yi Yuh, Mohammad Farooque
  • Patent number: 7985512
    Abstract: An anode support for supporting an anode electrode in a fuel cell assembly in which the anode support has a first support member formed of a porous non-wettable material and a second support member abutting and joined with the second member and having a plurality of through openings. Also disclosed is a bipolar separator having an electrolyte barrier over predetermined limited portions of its outer surface so as to prevent or retard electrolyte creeping.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: July 26, 2011
    Assignee: FuelCell Energy, Inc.
    Inventor: Chao-Yi Yuh
  • Patent number: 7939219
    Abstract: An apparatus and method in which a delayed carbonate electrolyte is stored in the storage areas of a non-electrolyte matrix fuel cell component and is of a preselected content so as to obtain a delayed time release of the electrolyte in the storage areas in the operating temperature range of the fuel cell.
    Type: Grant
    Filed: May 27, 2005
    Date of Patent: May 10, 2011
    Assignee: FuelCell Energy, Inc.
    Inventors: Richard Johnsen, Chao-Yi Yuh, Mohammad Farooque
  • Patent number: 7919214
    Abstract: Carbonate fuel cathode side hardware having a thin coating of a conductive ceramic formed from one of Perovskite AMeO3, wherein A is at least one of lanthanum and a combination of lanthanum and strontium and Me is one or more of transition metals, lithiated NiO (LixNiO, where x is 0.1 to 1) and X-doped LiMeO2, wherein X is one of Mg, Ca, and Co.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: April 5, 2011
    Assignee: FuelCell Energy, Inc.
    Inventors: Gengfu Xu, Chao-Yi Yuh
  • Patent number: 7914946
    Abstract: Carbonate fuel cathode side hardware having a thin coating of a conductive ceramic formed from one of LSC (La0.8Sr0.2CoO3) and lithiated NiO (LixNiO, where x is 0.1 to 1).
    Type: Grant
    Filed: June 15, 2004
    Date of Patent: March 29, 2011
    Assignee: FuelCell Energy, Inc.
    Inventors: Gengfu Xu, Chao-Yi Yuh
  • Publication number: 20100266932
    Abstract: A fuel cell including an electrolyte matrix having a cathode side with a cathode disposed thereon and an anode side with an anode receiving portion and a sealing portion positioned peripherally to the anode receiving portion. The anode receiving portion has an anode disposed thereon. A fuel conduit has one or more one sealing platforms and having an opening extending through the fuel conduit. The anode is positioned in the opening. The fuel cell includes one or more devices for preventing the occurrence an electrical short circuit between the cathode and the sealing platform. The device for preventing the electrical short circuit is aligned with the sealing portion and sealing platform and is positioned on the electrolyte matrix, the cathode and/or the sealing platform.
    Type: Application
    Filed: April 15, 2009
    Publication date: October 21, 2010
    Applicant: FUELCELL ENERGY, INC.
    Inventors: Chao-yi Yuh, Mohammad Farooque, Abdelkader Hilmi, Richard Johnsen, Gengfu Xu
  • Patent number: 7740988
    Abstract: An assembly having fuel cell plate structure adapted for use in a fuel cell in which gas flow channels are arranged to carry process gas adjacent the active and wet seal areas of the fuel cell, the plate structure having one or more baffles arranged such that when the plate structure is in the fuel cell the baffles of the plate structure cause the process gas flowing adjacent the wet seal areas to be directed away from the wet seal areas and toward the active areas of the cell.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: June 22, 2010
    Assignee: FuelCell Energy, Inc.
    Inventors: Zhiwen Ma, Chao-Yi Yuh, Dana A. Kelley, Mohammad Farooque, William Beesley
  • Publication number: 20100068601
    Abstract: A fibrous ceramic material including a plurality of fibers entangled with one another. The fibrous ceramic material includes at least one connector projecting between the fibers. At least a portion of the fibers have the connectors extending between and attach the fibers to one another. A method of manufacturing the fibrous ceramic material includes providing a precursor material having a plurality of fibers. A holder is provided for holding the precursor material. The precursor material is placed on the holder and both are heated to between about 1500 degrees Celsius and about 1700 degrees Celsius to form the fibrous ceramic material, thereby causing connectors to project from a portion of the fibers and attach the fibers to one another.
    Type: Application
    Filed: September 18, 2008
    Publication date: March 18, 2010
    Inventors: Chao-Yi Yuh, Dana A. Kelley, Nikhil H. Jalani
  • Publication number: 20090246562
    Abstract: A molten carbonate fuel cell anode comprising a porous anode body, which comprises a nickel-based alloy and at least one ceramic additive dispersed throughout the anode body. The amount of the ceramic additive in the anode body is between 5 and 50% by volume. The nickel-based alloy is Ni—Cr or Ni—Al, and the ceramic additive is one of CeO2, yttrium doped ceria, yttrium doped zirconia, TiO2, Li2TiO3, LiAlO2 and La0.8Sr0.2CoO3.
    Type: Application
    Filed: March 25, 2008
    Publication date: October 1, 2009
    Inventors: Abdelkader Hilmi, Chao-Yi Yuh, Mohammad Farooque
  • Patent number: 7524576
    Abstract: A high-lithium carbonate electrolyte formed from a eutectic carbonate mixture including lithium carbonate and from an additional lithium-containing component adapted to form lithium carbonate during at least one of initial heat up and operation of the fuel cell.
    Type: Grant
    Filed: May 16, 2005
    Date of Patent: April 28, 2009
    Assignee: FuelCell Energy, Inc.
    Inventors: Abdelkader Hilmi, Chao-Yi Yuh, Mohammad Farooque