Patents by Inventor Li DUAN

Li DUAN 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: 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
  • Patent number: 9136516
    Abstract: A separator substrate include a substrate having a bulk portion and a surface portion, the surface portion having at least one porous area with a net charge; and ionic particles coupling to at least a part of the at least one porous area. The ionic particles have a net charge of an opposite sign to the net charge of the at least one porous area. The coupling between the part of the at least one porous area and the ionic particles may result in at least one of a good electrochemical performance, chemical stability, thermal stability, wettability, and mechanical strength of the separator substrate.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: September 15, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Jason Fang, Li-Duan Tsai, Yueh-Wei Lin, Cheng-Liang Cheng
  • Patent number: 9136559
    Abstract: A non-aqueous electrolyte including a lithium salt, an organic solvent, and an electrolyte additive is provided. The electrolyte additive is a meta-stable state nitrogen-containing polymer formed by reacting Compound (A) and Compound (B). Compound (A) is a monomer having a reactive terminal functional group. Compound (B) is a heterocyclic amino aromatic derivative as an initiator. A molar ratio of Compound (A) to Compound (B) is from 10:1 to 1:10. A lithium secondary battery containing the non-aqueous electrolyte is further provided. The non-aqueous electrolyte of this disclosure has a higher decomposition voltage than a conventional non-aqueous electrolyte, such that the safety of the battery during overcharge or at high temperature caused by short-circuit current is improved.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: September 15, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Li-Duan Tsai, Yueh-Wei Lin, Chia-Chen Fang, Cheng-Liang Cheng, Jing-Pin Pan, Tsung-Hsiung Wang
  • Publication number: 20150183897
    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: Application
    Filed: December 27, 2014
    Publication date: July 2, 2015
    Inventors: Chung-Hsiang Chao, Li-Duan Tsai, Chia-Chen Fang, Chih-Ching Chang, Chi-Yang Chao, Kun-Lin Liu
  • Publication number: 20150187496
    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: Application
    Filed: September 16, 2014
    Publication date: July 2, 2015
    Inventors: Hung-Chung Chien, Yi-Chang Du, Li-Duan Tsai
  • Patent number: 9058933
    Abstract: A decoupling device including a lead frame and at least one capacitor unit assembly is provided. The lead frame includes a cathode terminal portion and at least two opposite anode terminal portions located at two ends of the cathode terminal portion. The two anode terminal portions are electrically connected with each other through a conductive line. The capacitor unit assembly includes multiple capacitor elements. The multiple capacitor elements of the capacitor unit assembly is connected in parallel, arrayed on the same plane and disposed on the lead frame. Each capacitor element has a cathode portion and an anode portion opposite to each other. The cathode portion of the capacitor element is electrically connected with the cathode terminal portion. The anode portion of the capacitor element is electrically connected with the anode terminal portion. When multiple capacitor unit assemblies exists, the capacitor unit assemblies are arrayed in a stacked way.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: June 16, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Cheng-Liang Cheng, Yi-Hsiu Pan, Yu-Ting Cheng, Li-Duan Tsai
  • Publication number: 20150162139
    Abstract: A power storage device includes a positive electrode and a negative electrode disposed opposite to the positive electrode. The positive electrode and the negative electrode are respectively disposed on at least one surface of a current collector foil. The positive electrode and the negative electrode respectively include an active material, a conductive auxiliary and an adhesive, wherein the active material includes a porous material, an oxidation-reduction electrode material, or combination thereof. At least one of the positive electrode and the negative electrode has a multilayer structure containing three or more layers. The concentration of the oxidation-reduction electrode material in the outmost layer of the multilayer structure is the lowest.
    Type: Application
    Filed: December 10, 2014
    Publication date: June 11, 2015
    Inventors: Yu-Wei Lin, Li-Duan Tsai, Chia-Chen Fang, Jenn-Yeu Hwang
  • Publication number: 20150145546
    Abstract: A coated probe is provided. The probe includes a probe body and a cladding layer. The probe body has a terminal. The cladding layer covers the surface of the terminal of the probe body, wherein the cladding layer includes a carbon nano-material layer, and the carbon nano-material layer includes a carbon nano-material.
    Type: Application
    Filed: September 24, 2014
    Publication date: May 28, 2015
    Inventors: Shih-Chun Tseng, Ren-Jye Wu, Ping-Hsing Yang, Li-Duan Tsai, Jin-Bao Wu
  • Patent number: 9030808
    Abstract: A capacitor and a circuit board having the same are provided. The capacitor includes a substrate, an oxide layer, a second electrode, an insulating layer, a plurality of conductive sheets and a plurality of vias. The substrate includes a first electrode and a porous structure. The porous structure in at least of two distribution regions has different depths. An oxide layer is disposed on the surface of the porous structure. The second electrode is disposed on the oxide layer and includes a conductive polymer material. The insulating layer disposed on the second electrode has a third and a fourth surfaces. The fourth surface of the insulating layer is connected with the second electrode. The conductive sheets are disposed on the first surface of the first electrode and the third surface of the insulating layer and electrically connected with the corresponding vias according to different polarities.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: May 12, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Chien-Min Hsu, Min-Lin Lee, Li-Duan Tsai
  • Patent number: 9013893
    Abstract: An embedded capacitor module includes an electrode lead-out portion and at least one solid electrolytic capacitor portion adjacently disposed with the electrode lead-out portion. The electrode lead-out portion comprises a first substrate, a second substrate, a first insulating material disposed between the first substrate and the second substrate, a first porous layer formed on at least one surface of the first substrate, and a first oxide layer disposed on the first porous layer. The solid electrolytic capacitor portion comprises the first substrate, the second substrate, the first porous layer, the first oxide layer, all of which are extended from the electrode lead-out portion, a first conductive polymer layer disposed on the first oxide layer, a first carbon layer disposed on the first conductive polymer layer, and a first conductive adhesive layer disposed on the first carbon layer.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: April 21, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Chien-Min Hsu, Min-Lin Lee, Cheng-Liang Cheng, Li-Duan Tsai