Patents by Inventor Li-Duan Tsai

Li-Duan Tsai 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: 20100128416
    Abstract: A composite cathode foil is provided. The composite cathode foil includes an aluminum substrate, a metal layer formed thereon, a metal carbide layer formed on the metal layer, and a carbon layer formed on the metal carbide layer, wherein the metal of the metal layer is selected from the group consisting of IVB, VB and VIB groups. The invention also provides a solid electrolytic capacitor including the composite cathode foil.
    Type: Application
    Filed: December 26, 2008
    Publication date: May 27, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jenn-Yeu HWANG, Jin-Bao WU, Li-Duan TSAI, Ming-Sheng LEU
  • Publication number: 20100104925
    Abstract: An electrode structure of a fuel cell for power generation comprises an anodic structure, a cathodic structure, and an ionic exchange membrane disposed between the anodic and cathodic structures. The anodic and cathodic structures respectively are formed by multi-layer structures, to reduce the fuel crossover from the anodic structure to the cathodic structure, to reduce the catalysts applied amount, and to increase an output electrical energy of the fuel cell. The multi-layer structure of the anodic structure comprises a thin platinum alloy black layer, a Pt alloy layer disposed on the carbon material, and a substrate.
    Type: Application
    Filed: December 31, 2009
    Publication date: April 29, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: CHIU-PING HUANG, KAN-LIN HSUEH, LI-DUAN TSAI, SUNG-CHUN CHANG, FU-CHI WU, DU-YUAN YU
  • Publication number: 20100104924
    Abstract: An electrode structure of a fuel cell for power generation comprises an anodic structure, a cathodic structure, and an ionic exchange membrane disposed between the anodic and cathodic structures. The anodic and cathodic structures respectively are formed by multi-layer structures, to reduce the fuel crossover from the anodic structure to the cathodic structure, to reduce the catalysts applied amount, and to increase an output electrical energy of the fuel cell. The multi-layer structure of the anodic structure comprises a thin platinum alloy black layer, a Pt alloy layer disposed on the carbon material, and a substrate.
    Type: Application
    Filed: December 31, 2009
    Publication date: April 29, 2010
    Applicant: Industrial Technology Research Institute
    Inventors: Chiu-Ping Huang, Kan-Lin Hsueh, Li-Duan Tsai, Sung-Chun Chang, Fu-Chi Wu, Du-Yuan Yu
  • Publication number: 20100099889
    Abstract: An oxidizing agent useful for oxidative polymerization of high conductive polymers is provided. This oxidizing agent is a kind of organic metal complex formed of metal ion salts having oxidizing capability and nitrogen-containing compound having lone pair electrons with partial ?-electron character. This organic metal complex has weak oxidizing strength for monomers at room temperature. As such, a mixture of the organic metal complex and the monomers has long-term stability under room temperature. While, at a high temperature, the organic metal complex provides proper oxidative polymerization capability for the monomers. The conductive polymers synthesized by the organic metal complex have excellent conductivity.
    Type: Application
    Filed: October 13, 2009
    Publication date: April 22, 2010
    Applicant: Industrial Technology Research Institute
    Inventors: Li-Duan Tsai, Yi-Chang Du
  • Publication number: 20100075223
    Abstract: An energy storage device is provided. The energy storage device includes a positive electrode, a negative electrode covered by a protective layer, and an electrolyte. The positive electrode includes fast-energy-storage electrochemical capacitive materials coated on a current collector. The negative electrode includes metal materials capable of having electrochemical reactivity toward lithium ion. The protective layer includes oxides or hydroxides of the metal materials.
    Type: Application
    Filed: December 9, 2008
    Publication date: March 25, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jenn-Yeu Hwang, Li-Duan Tsai, Chun-Lung Li
  • Patent number: 7561410
    Abstract: A hybrid capacitor is provided which includes a substrate, at least one plate capacitor and at least one through hole capacitor. The substrate has through holes and the plate capacitors are on the substrate. At least one through hole capacitor and at least one plate capacitor are in parallel. The through hole capacitor at least includes an anode layer, a first dielectric layer, a first cathode layer and a second cathode layer. The anode layer is disposed on an inner surface of at least one through hole, and a surface of the anode layer is a porous structure. The first dielectric layer is disposed on the porous structure of the anode layer and covered with the first cathode layer. The first cathode layer is covered with the second cathode layer. A conductivity of the second cathode layer is larger than a conductivity of the first cathode layer.
    Type: Grant
    Filed: March 18, 2008
    Date of Patent: July 14, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Min-Lin Lee, Li-Duan Tsai, Shur-Fen Liu, Bang-Hao Wu, Cheng-Liang Cheng
  • Publication number: 20090166198
    Abstract: The invention provides a reference electrode including a liquid electrolyte containing water, a water soluble organic compound with molecular size and boiling point are both greater than water, and an ionic salt; a solid crystal of the ionic salt in the liquid electrolyte; a metal/metal salt complex layer in contact with the liquid electrolyte; an leading wire connected to the metal/metal salt complex layer; an insulation case for containing the liquid electrolyte; and a nano-porous junction material embedded in the insulation case for contacting the liquid electrolyte, wherein a pore size of the nano-porous junction material is greater than a cation diameter of the ionic salt but smaller than a molecular length of the water soluble organic compound. The solid crystal of the ionic salt is the sediment of part of the ionic salt because the amount of the ionic salt is more than its solubility in the liquid electrolyte.
    Type: Application
    Filed: August 5, 2008
    Publication date: July 2, 2009
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Chang Du, Bang-Hao Wu, Li Duan Tsai, Hsiung Hsiao
  • Publication number: 20090159322
    Abstract: A through hole capacitor at least including a substrate, an anode layer, a dielectric layer, a first cathode layer, and a second cathode layer is provided. The substrate has a plurality of through holes. The anode layer is disposed on the inner surface of at least one through hole, and the surface of the anode layer is a porous structure. The dielectric layer is disposed on the porous structure of the anode layer. The first cathode layer covers a surface of the dielectric layer. The second cathode layer covers a surface of the first cathode layer, and the conductivity of the second cathode layer is greater than that of the first cathode layer. The through hole capacitor can be used for impedance control, as the cathode layers of the through hole are used for signal transmission.
    Type: Application
    Filed: March 11, 2008
    Publication date: June 25, 2009
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Bang-Hao Wu, Li-Duan Tsai, Min-Lin Lee, Cheng-Liang Cheng
  • Publication number: 20090161298
    Abstract: A hybrid capacitor is provided which includes a substrate, at least one plate capacitor and at least one through hole capacitor. The substrate has through holes and the plate capacitors are on the substrate. At least one through hole capacitor and at least one plate capacitor are in parallel. The through hole capacitor at least includes an anode layer, a first dielectric layer, a first cathode layer and a second cathode layer. The anode layer is disposed on an inner surface of at least one through hole, and a surface of the anode layer is a porous structure. The first dielectric layer is disposed on the porous structure of the anode layer and covered with the first cathode layer. The first cathode layer is covered with the second cathode layer. A conductivity of the second cathode layer is larger than a conductivity of the first cathode layer.
    Type: Application
    Filed: March 18, 2008
    Publication date: June 25, 2009
    Applicant: Industrial Technology Research Institute
    Inventors: Min-Lin Lee, Li-Duan Tsai, Shur-Fen Liu, Bang-Hao Wu, Cheng-Liang Cheng
  • Publication number: 20090131247
    Abstract: The invention provides a method for manufacturing a highly dispersed carbon supported metal catalyst, including charging a carbon support and a dispersing agent in water. The carbon support is evenly dispersed in water with an average diameter of 10 nm to 2000 nm and a specific surface area of 50 m2/g to 1500 m2/g. A metal salt of Pd, Pt, or combinations thereof is formed on the carbon support surface and then reduced to a valance state less than (IV).
    Type: Application
    Filed: April 1, 2008
    Publication date: May 21, 2009
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Man-Yin Lo, Hsi-Yen Hsu, Yan Zhi Chen, Li Duan Tsai, Yu Min Peng
  • Publication number: 20090035575
    Abstract: A method for manufacturing metal nano particles having a hollow structure is provided. First, a suitable reducing agent is added into a first metal salt solution, and first metal ions are reduced to form first metal nano particles. Next, after the reducing agent is decomposed, a second metal salt solution with a higher reduction potential than that of the first metal is added. Then, the first metal particles are oxidized to form first metal ions when the second metal ions are reduced on the surface of the first metal by electrochemical oxidation reduction reaction, and thus, second metal nano particles having a hollow structure and a larger surface area are obtained. The method is simple and the metal nano particles with uniform particle size are obtained by this method.
    Type: Application
    Filed: October 17, 2007
    Publication date: February 5, 2009
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Li-Duan Tsai, Kan-Lin Hsueh, Sung-Chun Chang, Man-Yin Lo, Yu-Min Peng, Chun-Chieh Huang, Ru-Shi Liu, Hao Ming Chen, Hsin-Chieh Peng
  • Patent number: 7447000
    Abstract: A solid electrolytic capacitor having multiple capacitor elements and a lead frame is provided. Each capacitor element includes an anode part, a cathode part, an insulating part and at least one first slit. The cathode part is disposed opposite to the anode part. The insulating part is disposed between the anode part and the cathode part. The first slit is disposed at the anode part. The lead frame has an upper surface and a lower surface where the capacitor elements are stacked on. The lead frame includes an anode terminal part electrically connected to the anode part, and includes a cathode terminal part electrically connected to the cathode part. Specially, the anode terminal part includes at least one first projecting part, which projects toward the upper surface. The capacitor elements are stacked on the upper surface and the first slit is inserted into the first projecting part.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: November 4, 2008
    Assignee: Industrial Technology Research Institute
    Inventors: Cheng-Liang Cheng, Kuo-Ching Cheng, Yi-Hsiu Pan, Bang-Hao Wu, Li-Duan Tsai
  • Patent number: 7442328
    Abstract: A series of retardants on polymerization of aniline. The molecular structure of the retardant are aromatic compounds with meta-disubstitution. The two substituents of the retardant could be respectively selected from the group of amino group, hydroxyl group, thiol group, and mixtures thereof. A chemical composition for polyaniline preparation comprising: aniline monomer, oxidant, protic acid, retardant and solvent.
    Type: Grant
    Filed: March 7, 2006
    Date of Patent: October 28, 2008
    Assignee: Industrial Technology Research Institute
    Inventors: Wen-Nan Tseng, Li-Duan Tsai
  • Publication number: 20080158784
    Abstract: An electrode for an electrolytic capacitor is disclosed, including a substrate and a metal oxide formed on the surface of the substrate, wherein the metal oxide is formed on the surface of the substrate by a chemical reaction between a precursor and functional groups on the surface of the substrate. The surface of the substrate is covered with a metal oxide for increasing the capacitance of the electrode. The metal oxide-covered substrate is suitable for being used as an electrode of an electrolytic capacitor in that the metal oxide formed on the surface of the substrate by chemical linking is of excellent peeling resistance.
    Type: Application
    Filed: August 9, 2007
    Publication date: July 3, 2008
    Inventors: Jenn-Yeu Hwang, Li-Duan Tsai
  • Publication number: 20080158781
    Abstract: A solid electrolytic capacitor having multiple capacitor elements and a lead frame is provided. Each capacitor element includes an anode part, a cathode part, and at least one slit or hole, wherein the cathode part is disposed opposite to the anode part and the slit is disposed in the capacitor element. The lead frame has an upper surface and a lower surface where the capacitor elements are stacked on respectively for clipping the lead frame. The lead frame includes an anode terminal part, a cathode terminal part, a first projecting part, and a second projecting part. Wherein, the first and the second projecting parts are disposed at the cathode terminal part, and project towards the upper surface or the lower surface respectively. Especially, the first and second projecting parts are embedded into corresponding slits or holes so as to directly electrically connect the capacitor elements by the lead frame.
    Type: Application
    Filed: June 27, 2007
    Publication date: July 3, 2008
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Bang-Hao Wu, Cheng-Liang Cheng, Li-Duan Tsai
  • Publication number: 20080158782
    Abstract: A solid electrolytic capacitor having multiple capacitor elements and a lead frame is provided. Each capacitor element includes an anode part, a cathode part, an insulating part and at least one first slit. The cathode part is disposed opposite to the anode part. The insulating part is disposed between the anode part and the cathode part. The first slit is disposed at the anode part. The lead frame has an upper surface and a lower surface where the capacitor elements are stacked on. The lead frame includes an anode terminal part electrically connected to the anode part, and includes a cathode terminal part electrically connected to the cathode part. Specially, the anode terminal part includes at least one first projecting part, which projects toward the upper surface. The capacitor elements are stacked on the upper surface and the first slit is inserted into the first projecting part.
    Type: Application
    Filed: June 22, 2007
    Publication date: July 3, 2008
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Cheng-Liang Cheng, Kuo-Ching Cheng, Yi-Hsiu Pan, Bang-Hao Wu, Li-Duan Tsai
  • Patent number: 7374586
    Abstract: A solid electrolytic capacitor, fabrication method, and coupling agent utilized in the same. The capacitor includes a valve metal layer, an oxide dielectric layer on at least a part of the surface of the valve metal layer, a coupling layer having a molecular chain with a first end bonding to the oxide dielectric layer by covalent bonding and second end with a functional group of a monomer of a conducting polymer, and a conducting polymer layer bonding to the monomer by covalent bonding.
    Type: Grant
    Filed: November 15, 2006
    Date of Patent: May 20, 2008
    Assignee: Industrial Technology Research Institute
    Inventors: Wen-Nan Tseng, Li-Duan Tsai, Chun-Guey Wu
  • Publication number: 20070154780
    Abstract: An electrode structure of a fuel cell for power generation comprises an anodic structure, a cathodic structure, and an ionic exchange membrane disposed between the anodic and cathodic structures. The anodic and cathodic structures respectively are formed by multi-layer structures, to reduce the fuel crossover from the anodic structure to the cathodic structure, to reduce the catalysts applied amount, and to increase an output electrical energy of the fuel cell. The multi-layer structure of the anodic structure comprises a thin platinum alloy black layer, a Pt alloy layer disposed on the carbon material, and a substrate.
    Type: Application
    Filed: December 29, 2006
    Publication date: July 5, 2007
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chiu-Ping Huang, Kan-Lin Hsueh, Li-Duan Tsai, Sung-Chun Chang, Fu-Chi Wu, Du-Yuan Yu
  • Publication number: 20070096055
    Abstract: An oxidizing agent useful for oxidative polymerization of high conductive polymers is provided. This oxidizing agent is a kind of organic metal complex formed of metal ion salts having oxidizing capability and nitrogen-containing compound having lone pair electrons with partial ?-electron character. This organic metal complex has weak oxidizing strength for monomers at room temperature. As such, a mixture of the organic metal complex and the monomers has long-term stability under room temperature. While, at a high temperature, the organic metal complex provides proper oxidative polymerization capability for the monomers. The conductive polymers synthesized by the organic metal complex have excellent conductivity.
    Type: Application
    Filed: March 21, 2006
    Publication date: May 3, 2007
    Applicant: Industrial Technology Research Institute
    Inventors: Li-Duan Tsai, Yi-Chang Du
  • Patent number: 7208104
    Abstract: A mixture solution for preparing conducting polymers. The conducting polymer is formed from a mixture of monomer and oxidant solution. The oxidant solution has a high concentration, and also includes a five or six-member ring compound with a functional group which acts as a retardant for the polymerization. Thus, the mixture of a monomer and oxidant solution exhibits excellent stability at room temperature. The conducting polymer accumulating in the space of the capacitor element can be more efficiently formed by using this high concentration oxidant solution. Therefore, the immersion and polymerization processes to form conducting polymer as the electrolyte of a solid electrolytic capacitor can be limited to only a few occurrences.
    Type: Grant
    Filed: November 14, 2003
    Date of Patent: April 24, 2007
    Assignee: Industrial Technology Research Institute Material Research Laboratories
    Inventors: Li-Duan Tsai, Yi-Chang Du