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).
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Patent number: 8501368Abstract: The disclosed forms a proton exchange membrane. First, multi-maleimide and barbituric acid are copolymerized to form a hyper-branched polymer. Next, the solvent of the sulfonated tetrafluoroethylene copolymer (Nafion) aqueous solution is replaced from water with dimethyl acetamide (DMAc). 10 to 20 parts by weight of the hyper-branched polymer is added to the 90 to 80 parts by weight of the Nafion in a DMAc solution, stood and heated to 50° C. to inter-penetrate the hyper-branched polymer and the Nafion. The heated solution is coated on a substrate, baked, and pre-treated to remove residue solvent for completing an inter-penetrated proton exchange membrane.Type: GrantFiled: September 25, 2009Date of Patent: August 6, 2013Assignee: Industrial Technology Research InstituteInventors: Jing-Pin Pan, Yueh-Wei Lin, Chung-Liang Chang, Li-Duan Tsai, Ya-Tin Hsu
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Publication number: 20130172518Abstract: 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: ApplicationFiled: July 16, 2012Publication date: July 4, 2013Inventors: Li-Fu HUANG, Li-Duan TSAI, Wei-Hsin WU
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Publication number: 20130171515Abstract: 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: ApplicationFiled: April 23, 2012Publication date: July 4, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Li-Duan Tsai, Wei-Hsin Wu, Yueh-Wei Lin, Chia-Chen Fang
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Publication number: 20130164636Abstract: A hybrid energy storage device includes a positive electrode comprising open-structured carbonaceous materials and at least one lithium-containing inorganic compound characterized by LixAy(DtOz), wherein Li is lithium, A is a transition metal, D is selected from the group consisting of silicon, phosphorous, boron, sulfur, vanadium, molybdenum and tungsten, O is oxygen, and x, y, z, t are stoichiometric representation containing real numbers constrained by 0<x?4, 1?y?2, 1?t?3, 3?z?12, wherein y, t, and z are integers; a negative electrode; and a non-aqueous, lithium-containing electrolyte.Type: ApplicationFiled: July 31, 2012Publication date: June 27, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: JENN-YEU HWANG, LI-DUAN TSAI, CHUN-LUNG LI
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Publication number: 20130164602Abstract: An energy storage device including an active electrolyte, a first electrode and a second electrode is provided. The active electrolyte contains protons and ion pairs with a redox ability. The first electrode and the second electrode coexist in the active electrolyte and are separated from each other. The first electrode and the second electrode respectively include an active material producing a redox-reaction with the active electrolyte or an active material producing ion adsorption/desorption with the active electrolyte. The active electrolyte receives electrons from the first electrode and/or the second electrode so as to perform a redox-reaction for charge storage.Type: ApplicationFiled: July 30, 2012Publication date: June 27, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Li-Duan Tsai, Chung-Hsiang Chao, Jenn-Yeu Hwang, Chun-Lung Li
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Publication number: 20130157122Abstract: 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: ApplicationFiled: June 13, 2012Publication date: June 20, 2013Applicants: NATIONAL CENTRAL UNIVERSITY, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Li-Duan Tsai, Chia-Chen Fang, Hsien-Ming Kao, Diganta Saikia
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Publication number: 20130157166Abstract: 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: ApplicationFiled: August 2, 2012Publication date: June 20, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Li-Duan Tsai, Jiunn-Nan Lin, Chien-Ming Lai, Cheng-Hong Wang
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Patent number: 8460427Abstract: 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: GrantFiled: October 17, 2007Date of Patent: June 11, 2013Assignee: Industrial Technology Research InstituteInventors: 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
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Publication number: 20130143146Abstract: The present disclosure provides a hybrid porous material including a porous material including a microporous polymer film or a non-woven fabric, wherein the porous material has an upper surface and a lower surface; and a continuous inorganic coating covering the upper surface, the lower surface, and surfaces of pores within the porous material. The present disclosure also provides a manufacturing method for the hybrid porous material and an energy storage device including the same.Type: ApplicationFiled: July 10, 2012Publication date: June 6, 2013Inventors: Hsiao-Feng Huang, Chia-Chen Fang, Ping-Chen Chen, Li-Duan Tsai
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Publication number: 20130120903Abstract: A decoupling device including a lead frame, multiple capacitor units, a protective layer and a packaging element is provided. The lead frame includes a cathode terminal portion and at least two opposite anode terminal portions disposed 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 units are connected in parallel and disposed on the lead frame. Each capacitor unit has a cathode portion and an opposite anode portion. The cathode portion is electrically connected with the cathode terminal portion. The anode portion is electrically connected with the anode terminal portion. The protective layer wraps at least one of the anode portion and the cathode portion of the capacitor unit. The packaging element covers the lead frame, the capacitor units and the protective layer. The packaging element exposes a bottom surface of the lead frame.Type: ApplicationFiled: January 15, 2012Publication date: May 16, 2013Applicant: Industrial Technology Research InstituteInventors: Yi-Hsiu Pan, Yu-Ting Cheng, Li-Duan Tsai, Chi-Lun Chen, Cheng-Liang Cheng
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Patent number: 8289679Abstract: A decoupling device includes a lead frame, a capacitor unit, a metal layer, and a high dielectric organic-inorganic composite material layer. The lead frame includes a cathode terminal portion and an anode terminal portion. The capacitor unit is disposed on the lead frame. The capacitor unit includes a cathode portion, an anode portion, and an insulation portion located between the cathode portion and the anode portion. The cathode portion is electrically connected to the cathode terminal portion, and the anode portion is electrically connected to the anode terminal portion. The high dielectric organic-inorganic composite material layer is connected to the capacitor unit in parallel via the metal layer.Type: GrantFiled: May 10, 2010Date of Patent: October 16, 2012Assignee: Industrial Technology Research InstituteInventors: Cheng-Liang Cheng, Chi-Lun Chen, Li-Duan Tsai, Min-Lin Lee, Shur-Fen Liu
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Patent number: 8273475Abstract: 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: GrantFiled: December 9, 2008Date of Patent: September 25, 2012Assignee: Industrial Technology Research InstituteInventors: Jenn-Yeu Hwang, Li-Duan Tsai, Chun-Lung Li
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Publication number: 20120171579Abstract: 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: ApplicationFiled: December 29, 2011Publication date: July 5, 2012Applicant: Industrial Technology Research InstituteInventors: Li-Duan Tsai, Yueh-Wei Lin, Chia-Chen Fang, Cheng-Liang Cheng, Jing-Pin Pan, Tsung-Hsiung Wang
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Publication number: 20120171573Abstract: 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: ApplicationFiled: December 29, 2010Publication date: July 5, 2012Inventors: Jason Fang, Li-Duan Tsai, Yueh-Wei Lin, Cheng-Liang Cheng
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Publication number: 20120172461Abstract: A composite proton exchange membrane is made up of dispersed organized graphene in ion conducting polymer as a fuel barrier material. The composite proton exchange membrane includes an inorganic material of 0.001-10 wt % and an organic material of 99.999-90 wt %. The inorganic material is a graphene derivative with two-dimensional structure. The organic material includes a polymer material with sulfonic acid group.Type: ApplicationFiled: May 9, 2011Publication date: July 5, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Li-Duan Tsai, Hung-Chung Chien, Yong-Hong Liao
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Publication number: 20120172593Abstract: A meta-stable state nitrogen-containing polymer formed by reacting Compound (A) and Compound (B) is described. Compound (A) is a monomer having a reactive terminal functional group. Compound (B) is a heterocyclic amino aromatic derivative as an initiator. The molar ratio of Compound (A) to Compound (B) is from 10:1 to 1:10. The meta-stable state nitrogen-containing polymer has a variance less than 2% in its narrow molecular weight distribution after being retained at 55° C. for one month.Type: ApplicationFiled: May 17, 2011Publication date: July 5, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Li-Duan Tsai, Yueh-Wei Lin, Jason Fang, Cheng-Liang Cheng, Jing-Pin Pan, Tsung-Hsiung Wang
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Publication number: 20120171593Abstract: The present invention relates to a metal catalyst composition modified by a nitrogen-containing compound, which effectively reduces cathode catalyst poisoning. The catalyst composition applied on the anode also lowers the over-potential. The catalyst coupled with the nitrogen-containing compound has increased three-dimensional hindrance, which improves the distribution of the catalyst particles and improves the reaction activity.Type: ApplicationFiled: September 24, 2011Publication date: July 5, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Li-Duan Tsai, Sung-Chun Chang, Hui-Wen Tsai, Chi-Yun Kang, Jiunn-Nan Lin
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Publication number: 20120168217Abstract: An embedded capacitor substrate module includes a substrate, a metal substrate and a solid electrolytic capacitor material. The solid electrolytic capacitor material is formed on the metal substrate, so as to form a solid electrolytic capacitor with the substrate. The embedded capacitor substrate module further includes an electrode lead-out region formed by extending the substrate and the metal substrate. The metal substrate serves as a first electrode, and the substrate serves as a second electrode. An insulating material is formed between the substrate and the metal substrate. Therefore, the embedded capacitor substrate module is not only advantageous in having a large capacitance as the conventional solid capacitor, but also capable of being drilled or plated and electrically connected to other circuits after being embedded in a printed circuit board.Type: ApplicationFiled: August 3, 2011Publication date: July 5, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chien-Min Hsu, Min-Lin Lee, Cheng-Liang Cheng, Li-Duan Tsai
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Publication number: 20120171576Abstract: 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: ApplicationFiled: May 19, 2011Publication date: July 5, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Li-Duan Tsai, Yueh-Wei Lin, Jason Fang, Cheng-Liang Cheng, Jing-Pin Pan, Tsung-Hsiung Wang
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Publication number: 20120172558Abstract: A meta-stable state nitrogen-containing polymer formed by reacting Compound (A) and Compound (B) is described. Compound (A) is a monomer having a reactive terminal functional group. Compound (B) is a heterocyclic amino aromatic derivative as an initiator. The molar ratio of Compound (A) to Compound (B) is from 10:1 to 1:10. The meta-stable state nitrogen-containing polymer has a variance less than 2% in its narrow molecular weight distribution after being retained at 55° C. for one month.Type: ApplicationFiled: December 29, 2011Publication date: July 5, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Li-Duan Tsai, Yueh-Wei Lin, Chia-Chen Fang, Cheng-Liang Cheng, Jing-Pin Pan, Tsung-Hsiung Wang