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: 20170182487
    Abstract: A polymer and a method for preparing the same are provided. The polymer includes a first repeat unit and a second repeat unit. In particular, the first repeat unit is and, the second repeat unit is wherein R+ is A? is F?, Cl?, Br?, I?, OH?, HCO3?, HSO4?, SbF6?, H2PO4?, H2PO3?, or H2PO2?; X is i and j are independently 0, or an integer from 1 to 4; Y is —O—, —S—, —CH2—, or —NH—; R1 is independently C1-8 alkyl group; and, R2 and R3 are hydrogen, or independently C1-8 alkyl group.
    Type: Application
    Filed: April 22, 2016
    Publication date: June 29, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chiu-Tung WANG, Li-Duan TSAI, Cheng-Hsiu TSAI, Chiu-Hun SU, Ming-Chou CHEN
  • Publication number: 20170186555
    Abstract: A conductive composite is provided, which includes a conductive conjugated polymer and a mixture. The mixture includes (a) boron oxide, and (b) sulfur-containing compound, nitrogen-containing compound, or a combination thereof. A capacitor is also provided, which includes an anode electrode, a dielectric layer on the anode electrode, a cathode electrode, and an electrolyte between the dielectric layer and the cathode electrode, wherein the electrolyte includes the described conductive composite.
    Type: Application
    Filed: November 14, 2016
    Publication date: June 29, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Chang DU, Li-Duan TSAI
  • Publication number: 20170183464
    Abstract: An ion exchange membrane is provided. The ion exchange membrane includes a reaction product of a polymer and a cross-linking reagent. The polymer includes a first repeat unit, and a second repeat unit. In particular, the first repeat unit is and, the second repeat unit is wherein R+ is A? is F?, Cl?, Br?, I?, OH?, HCO3?, HSO4?, SbF6?, BF4?, H2PO4?, H2PO3?, or H2PO2?; X is ?CH2?iY?CH2?j, i and j are independently 0, or an integer from 1 to 4; Y is —O—, —S—, —CH2—, or —NH—; R1 is independently C1-8 alkyl group; and, R2 and R3 are hydrogen, or independently C1-8 alkyl group; and, the cross-linking reagent is a compound having at least two imide groups.
    Type: Application
    Filed: April 22, 2016
    Publication date: June 29, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Cheng-Hsiu TSAI, Li-Duan TSAI, Chiu-Tung WANG, Chiu-Hun SU, Yueh-Wei LIN
  • Publication number: 20170187046
    Abstract: A catalyst composition and a use thereof are provided. The catalyst composition includes a support and at least one RuXMY alloy attached to the surface of the support, wherein M is a transition metal and X?Y. The catalyst composition is used in an alkaline electrochemical energy conversion reaction, and can improve the energy conversion efficiency for an electrochemical energy conversion device and significantly reduce material costs.
    Type: Application
    Filed: December 27, 2016
    Publication date: June 29, 2017
    Applicant: Industrial Technology Research Institute
    Inventors: Chiu-Ping Huang, Li-Duan Tsai, Bing-Joe Hwang, Chun-Jern Pan, Hao-Sheng Cheng, Yu-Hsiang Mao, Meng-Che Tsai, Jiunn-Nan Lin
  • Patent number: 9590269
    Abstract: A polyelectrolyte includes a first segment and a second segment, wherein the structure of the first segment is at least one of formula (1) and formula (2); the structure of the second segment is at least one of formula (3) and formula (4). The polyelectrolyte undergoes microphase separation to form a nanoscale ordered self-assembled microstructure.
    Type: Grant
    Filed: December 27, 2014
    Date of Patent: March 7, 2017
    Assignees: Industrial Technology Research Institute, National Taiwan University
    Inventors: Chung-Hsiang Chao, Li-Duan Tsai, Chia-Chen Fang, Chih-Ching Chang, Chi-Yang Chao, Kun-Lin Liu
  • Publication number: 20170047595
    Abstract: A bipolar plate for a fuel cell is provided. The bipolar plate for the fuel cell has a plurality of flow channels, and a rib is defined between neighboring two flow channels. A side surface of the rib is non-porous. A top surface of the rib may be a roughened surface in order to improve performance of the fuel cell.
    Type: Application
    Filed: November 1, 2016
    Publication date: February 16, 2017
    Applicant: Industrial Technology Research Institute
    Inventors: Li-Duan Tsai, Jiunn-Nan Lin, Chien-Ming Lai, Cheng-Hong Wang
  • Patent number: 9515326
    Abstract: A bipolar plate and a fuel cell are provided. The bipolar plate for the fuel cell has a plurality of flow channels, and a rib is defined between neighboring two flow channels. A top surface of the rib may be a roughened surface or have a porous structure in order to improve performance of the fuel cell.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: December 6, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Li-Duan Tsai, Jiunn-Nan Lin, Chien-Ming Lai, Cheng-Hong Wang
  • Patent number: 9496547
    Abstract: A composite electrode material of a lithium secondary battery and a lithium secondary battery are provided. The composite electrode material of the lithium secondary battery at least includes an electrode active powder and a nanoscale coating layer coated on the surface of the electrode active powder, wherein the nanoscale coating layer is composed of a metastable state polymer, a compound A, a compound B, or a combination thereof. The compound A is a monomer having a reactive terminal functional group, and the compound B is a heterocyclic amino aromatic derivative used as an initiator. The weight ratio of the nanoscale coating layer to the composite electrode material of the lithium secondary battery is 0.005% to 10%.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: November 15, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Li-Duan Tsai, Yueh-Wei Lin, Chia-Chen Fang, Wei-Hsin Wu, Deng-Tswen Shieh
  • Publication number: 20160247633
    Abstract: An oxidant mixture for conjugated polymer synthesis is provided. The oxidant mixture at least includes an oxidant, a polyether and a nitrogen-containing compound, or at least include the oxidant, the polyether and a nitrogen-containing polymer, or at least include the oxidant and a polyether compound with nitrogen-containing functional groups, wherein the oxidant mixture and a precursor of a monomer of a conjugated polymer are polymerized directly on a surfac of a dielectric layer.
    Type: Application
    Filed: April 29, 2016
    Publication date: August 25, 2016
    Inventors: Yi-Chang Du, Li-Duan Tsai, Hung-Chung Chien
  • Publication number: 20160240322
    Abstract: A composition for conductive polymer synthesis is disclosed. The composition includes a monomer, an oxidant, and a nitrogen-containing polymer. The nitrogen-containing polymer includes a cyclic nitrogen-containing polymer, a polymer with primary amine group, a polymer with secondary amine group, a polymer with tertiary amine group, a polymer with quaternary ammonium group, or a combination thereof.
    Type: Application
    Filed: April 28, 2016
    Publication date: August 18, 2016
    Inventors: Hung-Chung Chien, Li-Duan Tsai, Yi-Chang Du
  • Patent number: 9390863
    Abstract: Provided is a composite electrode including a metal layer and a composite dielectric layer. The composite dielectric layer includes a metal oxide dielectric layer and a polymer dielectric layer. The composite dielectric layer overlays the metal layer. The polymer dielectric layer includes a nitrogen-containing polymer and overlays the metal oxide dielectric layer. An electrolytic capacitor is also provided. The electrolytic capacitor has a polymer dielectric layer made of a nitrogen-containing polymer, and such polymer dielectric layer is beneficial to increase the insulating property of the metal oxide dielectric layer and the coverage property of the conductive polymer. Thereby, the conventional leakage current can be significantly reduced and the yield can be improved.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: July 12, 2016
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Hung-Chung Chien, Yi-Chang Du, Li-Duan Tsai
  • Patent number: 9376412
    Abstract: An anode material is provided for a surface of an electrode. The anode material comprises carbon-containing substrates and unsaturated compounds. At least one chemical bond is formed between the unsaturated compounds and the surfaces of the carbon-containing substrates.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: June 28, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Li-Duan Tsai, Wei-Hsin Wu, Yueh-Wei Lin, Chia-Chen Fang
  • Patent number: 9362057
    Abstract: An electrolyte mixture for electrolytic capacitor is disclosed. The electrolyte mixture includes a conductive polymer and a nitrogen-containing polymer. The nitrogen-containing polymer includes a cyclic nitrogen-containing polymer, a polymer with primary amine group, a polymer with secondary amine group, a polymer with tertiary amine group, a polymer with quaternary ammonium group, or a combination thereof.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: June 7, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Hung-Chung Chien, Li-Duan Tsai, Yi-Chang Du
  • Patent number: 9355785
    Abstract: An electrolyte mixture for an electrolytic capacitor is provided. The electrolyte mixture includes a conjugated polymer, a polyether and a nitrogen-containing compound, or includes the conjugated polymer, the polyether and a nitrogen-containing polymer, or includes the conjugated polymer and a polyether with nitrogen-containing functional groups. The electrolyte mixture provides a very high static capacitance for an electrolytic capacitor having the same.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: May 31, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Yi-Chang Du, Li-Duan Tsai, Hung-Chung Chien
  • Patent number: 9267005
    Abstract: Disclosed is a flexible maleimide polymer. The flexible maleimide polymer includes a reaction product of reactants (a)-(c). The reactant (a) is maleimide, a compound with a structure represented by Formula (I), a compound with a structure represented by Formula (II), or combinations thereof wherein R1 is —(CH2)10—CO2H, and R2 is H, OH, SO3Na, NO2, CN or CO2H. The reactant (b) is a compound with a structure represented by formula (III) wherein A is R3 is H or methyl group, x is between 1-12, R4 is H or methyl group, and y and z are both between 1-5. The reactant (c) is a compound with a structure represented by formula (IV), or a compound with a structure represented by formula (V) wherein R5 and R6 are independent H or C1-4 alkyl group.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: February 23, 2016
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Li-Fu Huang, Li-Duan Tsai, Wei-Hsin Wu
  • Patent number: 9236616
    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: Grant
    Filed: December 31, 2009
    Date of Patent: January 12, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Chiu-Ping Huang, Kan-Lin Hsueh, Li-Duan Tsai, Sung-Chun Chang, Fu-Chi Wu, Du-Yuan Yu
  • Patent number: 9214284
    Abstract: A decoupling device including a lead frame and at least one capacitor unit set is provided. The lead frame includes a cathode terminal portion and at least two anode terminal portions disposed at two sides of the cathode terminal portion and opposite to each other. The anode terminal portions are electrically connected through a conductive line. One of the anode terminal portions extends along a first direction to form an extending portion, and the extending portion is bended along a second direction perpendicular to the first direction to form an anode side plate. Each capacitor unit set includes a plurality of capacitor units. The capacitor unit sets are connected in parallel on a same plane and disposed on the lead frame. Each capacitor unit has a cathode portion electrically connected to the cathode terminal portion and an anode portion electrically connected to the anode side plate along the first direction.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: December 15, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Yi-Hsiu Pan, Yu-Ting Cheng, Li-Duan Tsai, Chi-Lun Chen
  • Patent number: 9166254
    Abstract: The application relates to a gel polymer electrolyte and/or polymer modified electrode materials for lithium batteries.
    Type: Grant
    Filed: May 6, 2013
    Date of Patent: October 20, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Li-Duan Tsai, Chih-Ching Chang, Chia-Chen Fang, Wei-Hsin Wu, Chun-Lung Li, Yueh-Wei Lin
  • Patent number: 9156923
    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: Grant
    Filed: October 13, 2009
    Date of Patent: October 13, 2015
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Li-Duan Tsai, Yi-Chang Du
  • Patent number: 9136561
    Abstract: A solid polymer electrolyte composition having good conductivity and better mechanical strength is provided. The solid polymer electrolyte composition includes at least one lithium salt and a crosslinking polymer containing at least a first segment, a second segment, a third segment, and a fourth segment. The first segment includes polyalkylene oxide and/or polysiloxane backbone. The second segment includes urea and/or urethane linkages. The third segment includes silane domain. The fourth segment includes phenylene structure. Moreover, the solid polymer electrolyte composition further includes an additive for improving ionic conductivity thereof.
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: September 15, 2015
    Assignees: Industrial Technology Research Institute, National Central University
    Inventors: Li-Duan Tsai, Chia-Chen Fang, Hsien-Ming Kao, Diganta Saikia