Polymeric Material (e.g., Proton Exchange Membrane (pem), Etc.) Patents (Class 429/492)
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Publication number: 20130288157Abstract: An anion exchange composite membrane is filled with crosslinked polymer electrolytes for fuel cells.Type: ApplicationFiled: August 17, 2012Publication date: October 31, 2013Inventors: Young Woo Choi, Mi Soon Lee, Tae Hyun Yang, Chang Soo Kim, Young Gi Yoon, Seok Hee Park, Sung Dae Yim, Gu Gon Park, Young Jun Sohn, Minjin Kim, Byungchan Bae
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Publication number: 20130280626Abstract: An anion conducting electrolyte membrane with high performance where the electric conductivity and the water uptake are balanced, and a method of manufacturing the same are disclosed. The anion conducting electrolyte membrane comprises: a polymeric material which consists of fluorine polymer, olefinic polymer, or aromatic polymer; weak base quaternary salt obtained by the reaction of grafts introduced by graft polymerizing vinyl monomer which contains halogenated alkyl groups using radiation and strong organic bases.Type: ApplicationFiled: March 5, 2013Publication date: October 24, 2013Inventors: Kimio YOSHIMURA, Hiroshi KOSHIKAWA, Tetsuya YAMAKI, Masaharu ASANO, Yasunari MAEKAWA, Hideyuki SHISHITANI, Hirohisa TANAKA, Susumu YAMAGUCHI, Koichiro ASAZAWA, Kazuya YAMAMOTO, Fumihiro SANPEI
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Publication number: 20130280642Abstract: A method of manufacturing a proton conducting fuel cell composite membrane includes the step of electrospinning a non-charged polymeric material, such as PVDF and PSF, into fiber mats. The fibers are fused to one another to provide a welded porous mat. The welded porous mat is filled with proton conducting electrolyte, such as PFSA polymer, to generate a proton conducting composite membrane. The resulting proton conducting fuel cell membrane comprises a randomly oriented, three dimensional interlinked fiber lattice structure filled with proton conducting electrolyte, such as PFSA polymer.Type: ApplicationFiled: January 19, 2011Publication date: October 24, 2013Applicant: UTC POWER CORPROATIONInventors: Mallika Gummalla, Zhiwei Yang, Peter Pintauro, Kyung Min Lee, Ryszard Wycisk
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Publication number: 20130280636Abstract: Disclosed are an electrode for a fuel cell, a method of preparing the fuel cell electrode, a membrane-electrode assembly including the fuel cell electrode, and a fuel cell system including the fuel cell electrode. The electrode includes an electrode substrate having a conductive substrate and a layer-by-layer assembled multi-layer disposed on a side of the conductive substrate and a bilayer including a polymer electrolyte or a conductive nanoparticle, and a catalyst layer disposed on the electrode substrate.Type: ApplicationFiled: August 3, 2012Publication date: October 24, 2013Applicant: SAMSUNG SDI CO., LTD.Inventors: Jun-Young KIM, Myoung-Ki MIN, Kah-Young SONG, Hee-Tak KIM
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Publication number: 20130280640Abstract: An example fuel cell system includes a fuel cell power plant and a tank providing a volume that is configured to hold a fuel cell fluid. The fuel cell power plant is at least partially disposed within the volume.Type: ApplicationFiled: April 24, 2012Publication date: October 24, 2013Inventor: Jonathan Daniel O'Neill
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Publication number: 20130280641Abstract: The present invention relates to a method for coating fluoropolymers with a coating substance, by atom transfer radical polymerisation and subsequent processing whereas a fluoropolymer is contacted with a reaction mixture comprising at least one ligand selected from the group consisting of multichained and polycyclic amines, at least one metal salt wherein the metal is in a first oxidation state, at least one solvent, and the organic coating substance in monomer form.Type: ApplicationFiled: February 5, 2010Publication date: October 24, 2013Applicant: Visitret Displays Ltd.Inventor: Jüri Liiy
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Patent number: 8563194Abstract: An electrolyte membrane (1) includes a base material layer (1) containing a hydrocarbon-based electrolyte as a main component, and a surface layer (5) laminated with the base material layer (1). The surface layer (5) is a layer containing, as a main component, a polymeric material having a hydroxyl group and a proton conductive group. The polymeric material that constitutes the surface layer (5) contains, for example, a first polymer having a hydroxyl group, and a second polymer having a proton conductive group. A matrix is formed by cross-linking the first polymer, and the second polymer can be held in the matrix.Type: GrantFiled: April 22, 2009Date of Patent: October 22, 2013Assignee: Nitto Denko CorporationInventors: Hiroyuki Nishii, Tooru Sugitani, Otoo Yamada, Sakura Toshikawa
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Patent number: 8563188Abstract: A fuel cell system that includes a control system for regulating the power produced by the fuel cell system. The fuel cell system includes a fuel cell stack adapted to produce electrical power from a feed. In some embodiments, the fuel cell system includes a fuel processing assembly adapted to produce the feed for the fuel cell stack from one or more feedstocks. The control system regulates the power produced by the fuel cell system to prevent damage to, and/or failure of, the system.Type: GrantFiled: March 7, 2012Date of Patent: October 22, 2013Assignee: Idatech, LLCInventors: David J. Edlund, Thomas G. Herron, Craig F. Holmes
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Patent number: 8562728Abstract: The invention relates to a process for preparing proton-conducting clay particles, successively comprising the following steps: a) a step of activating a clay powder, comprising a step in which the said powder is subjected to a gas plasma; b) a grafting step comprising a step of placing the activated powder obtained from step a) in contact with a solution comprising at least one compound comprising at least one group chosen from —PO3H2, —CO2H and —SO3H and salts thereof and comprising at least one group capable of grafting onto the surface of the said powder. Use of these particles for the manufacture of fuel cell membranes.Type: GrantFiled: April 15, 2005Date of Patent: October 22, 2013Assignee: Commissariat a l'Energie AtomiqueInventors: Hervé Galiano, Magaly Caravanier-Caillon, Philippe Bebin, Patrick Hourquebie, Faïza Bergaya, Fabienne Poncin Epaillard, Fabrice Lafleche
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Publication number: 20130273450Abstract: Provided are a tri-block copolymer and an electrolyte membrane prepared therefrom. The tri-block copolymer has a structure of polar moiety-containing copolymer block/non-polar moiety-containing copolymer block/polar moiety-containing copolymer block, or non-polar moiety-containing copolymer block/polar moiety-containing copolymer block/non-polar moiety-containing copolymer block, and is useful for an electrolyte membrane for fuel cells. The electrolyte membrane for fuel cells prepared from the tri-block copolymer exhibits superior dimensional stability and excellent fuel cell performance.Type: ApplicationFiled: November 24, 2010Publication date: October 17, 2013Applicant: LG Chem, Ltd.Inventors: Seong Ho Choi, Hyuk Kim, Sang Woo Lee, Tae Geun Noh, Ji Soo Kim
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Publication number: 20130273455Abstract: An electrolyte membrane for solid polymer fuel cell includes a reinforce membrane made of nonwoven fibers and an electrolyte provided in a space among the nonwoven fibers. The nonwoven fibers have a non-uniform mass distribution in a plane of the electrolyte membrane. A mass of the nonwoven fibers per unit area in a region corresponding to at least part of a peripheral portion of a fuel cell-use gasket frame is greater than a mass of the nonwoven fibers per unit area in a region corresponding to a center portion of the gasket frame. The electrolyte membrane for solid polymer fuel cell is attached to the fuel cell-use gasket frame.Type: ApplicationFiled: November 14, 2011Publication date: October 17, 2013Inventors: Masahiro Mori, Shinya Kikuzumi, Tsutomu Kawashima, Yasuhiro Ueyama, Kazunori Kubota
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Patent number: 8557472Abstract: There are provided a novel proton-conducting polymer membrane that shows good workability in a fuel cell assembling process and good proton conductivity and durability even under high-temperature, non-humidified conditions, a method for production thereof, and a fuel cell therewith. The proton-conducting polymer membrane includes: a polymer membrane containing a polybenzimidazole compound having a sulfonic acid group and/or a phosphonic acid group; and vinylphosphonic acid contained in the polymer membrane. The fuel cell uses the proton-conducting polymer membrane. The polybenzimidazole compound preferably includes a sulfonic and/or phosphonic acid group-containing component represented by Structural Formula (1): wherein n represents an integer of 1 to 4, R1 represents a tetravalent aromatic linking unit capable of forming an imidazole ring, R2 represents a bivalent aromatic linking unit, and Z represents a sulfonic acid group and/or a phosphonic acid group.Type: GrantFiled: May 31, 2006Date of Patent: October 15, 2013Assignee: Toyo Boseki Kabushiki KaishaInventors: Fusaki Fujibayashi, Yoshimitsu Sakaguchi, Satoshi Takase
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Patent number: 8557481Abstract: Fuel cell comprising a stack of bipolar plates (1) and polymer films (2), in which the polymer films comprise a lip (3) that overhangs on all sides relative to the adjacent bipolar plates (1).Type: GrantFiled: March 14, 2008Date of Patent: October 15, 2013Assignees: Compagnie Generale des Etablissements Michelin, Michelin Recherche et Technique S.A.Inventor: David Olsommer
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Patent number: 8557473Abstract: Crosslinked sulfonated triblock copolymers exhibit lower methanol permeability and good physical strength relative to the perfluorinated proton conductive membranes typically used in Direct Methanol Fuel Cells. Examples of triblock copolymers that can be used as fuel cell membranes include SEBS, SIBS, and SEPS. The chemically cross-linked and sulfonated SIBS, SEBS, and SEPS exhibit lower swelling and tolerate higher sulfonation levels than the un-cross-linked counterparts. These copolymers are easily sulfonated using known procedures and can be manufactured at a fraction of the cost of the typical perfluorinated proton conductive membranes.Type: GrantFiled: December 11, 2007Date of Patent: October 15, 2013Assignee: Bose CorporationInventor: Agota F. Fehervari
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Patent number: 8551669Abstract: A naphthoxazine benzoxazine-based monomer is represented by Formula 1 below: In Formula 1, R2 and R3 or R3 and R4 are linked to each other to form a group represented by Formula 2 below, and R5 and R6 or R6 and R7 are linked to each other to form a group represented by Formula 2 below, In Formula 2, * represents the bonding position of R2 and R3, R3 and R4, R5 and R6, or R6 and R7 of Formula 1. A polymer is formed by polymerizing the naphthoxazine benzoxazine-based monomer, an electrode for a fuel cell includes the polymer, an electrolyte membrane for a fuel cell includes the polymer, and a fuel cell uses the electrode.Type: GrantFiled: May 8, 2012Date of Patent: October 8, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Seongwoo Choi, Jungock Park
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Patent number: 8552075Abstract: 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: GrantFiled: May 9, 2011Date of Patent: October 8, 2013Assignee: Industrial Technology Research InstituteInventors: Li-Duan Tsai, Hung-Chung Chien, Yong-Hong Liao
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Patent number: 8551670Abstract: An electrochemical device and methods of using the same. In one embodiment, the electrochemical device may be used as a fuel cell and/or as an electrolyzer and includes a membrane electrode assembly (MEA), an anodic gas diffusion medium in contact with the anode of the MEA, a cathodic gas diffusion medium in contact with the cathode, a first bipolar plate in contact with the anodic gas diffusion medium, and a second bipolar plate in contact with the cathodic gas diffusion medium. Each of the bipolar plates includes an electrically-conductive, chemically-inert, non-porous, liquid-permeable, substantially gas-impermeable membrane in contact with its respective gas diffusion medium, as well as a fluid chamber and a non-porous an electrically-conductive plate.Type: GrantFiled: December 17, 2008Date of Patent: October 8, 2013Assignee: Giner Electrochemical Systems, LLCInventors: Cortney K. Mittelsteadt, William A. Braff
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Publication number: 20130260283Abstract: Organic-inorganic hybrid nanofibres comprising two phases: a first mineral phase comprising a structured mesoporous network with open porosity; and a second organic phase comprising an organic polymer, wherein said organic phase is basically not present inside the pores of the structured mesoporous network. A membrane and an electrode comprising said nanofibres. A fuel cell comprising said membrane and/or said electrode. A method of preparing said nanofibres by electrically assisted extrusion (electrospinning).Type: ApplicationFiled: April 6, 2011Publication date: October 3, 2013Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Commissariat a l'energie atomique et aux energies alternatives, UNIVERSITE PIERRE ET MARIE CURIE (PARIS 6)Inventors: Karine Valle, Philippe Belleville, Frank Pereira, Chrystel Laberty, Clément Sanchez, John Bass
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Patent number: 8546043Abstract: This invention provides a method for producing a membrane electrode assembly comprising steps of: preparing a precursor of a membrane electrode assembly wherein a catalyst mixture comprising an electrolyte resin and a catalyst-carrying conductor is applied or placed on an electrolyte membrane; and externally exposing the precursor of the membrane electrode assembly to a superheated medium under oxygen-free or low-oxygen conditions and heating the boundary of the electrolyte membrane and the catalyst mixture in the precursor of the membrane electrode assembly by condensation heat of the superheated medium to fix the catalyst mixture to the electrolyte membrane. This method enables the production of a membrane electrode assembly that is substantially free of boundary and that has a catalyst layer in which a porous and sufficient three-phase boundary is present.Type: GrantFiled: April 16, 2008Date of Patent: October 1, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventor: Hiroshi Suzuki
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Publication number: 20130252135Abstract: A Pt—Ru nano-alloy/graphene catalyst comprises graphene as a support, and a Pt—Ru nano-alloy loaded on the graphene. The use of graphene as support for the catalyst takes advantage of the ion effect and tow-dimensional ductility of graphene, which increase the stability of the catalyst. The catalyst is prepared by a reverse micelles system method which provides a micro-environment (i.e. water-in-oil microemulsion), so that the particle size of the resulting nano-alloy particles can be regulated easily and is more uniformly distributed. The use of the catalyst in electrochemistry is also disclosed.Type: ApplicationFiled: December 29, 2010Publication date: September 26, 2013Inventors: Mingjie Zhou, Linglong Zhong, Yaobing Wang
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Publication number: 20130244135Abstract: An object of the present invention is to provide a polymer electrolyte membrane meeting power generation properties and physical durability at the same time and having high durability. A polymer electrolyte membrane comprising a microporous membrane and a fluorine-based polymer electrolyte contained in a pore of the microporous membrane, wherein pore distribution of the microporous membrane has a pore distribution with a center of distribution in a pore diameter range of 0.3 ?m to 5.0 ?m, and the fluorine-based polymer electrolyte composition contains a fluorine-based polymer electrolyte (component A) having an ion exchange capacity of 0.5 to 3.0 meq/g.Type: ApplicationFiled: October 5, 2011Publication date: September 19, 2013Applicant: ASAHI KASEI E-MATERIALS CORPORATIONInventors: Michiyo Yamane, Naoto Miyake
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Patent number: 8535849Abstract: An electrochemical cell includes an electrolyte membrane containing an ionic conductor. The ionic conductor includes: (a) a cation expressed by one of Formulae (1) and (2): R1R2R3HX+??(1) where, in Formula (1), X indicates any one of N and P, and R1, R2 and R3 each indicate any one of alkyl groups C1 to C18 except a structure in which R1=R2=R3, R1R2HS+??(2) where, in Formula (2), R1 and R2 each indicate any one of alkyl groups C1 to C18 except a structure in which R1=R2; and (b) an anion expressed by Formula (3): R4YOm(OH)n?1O???(3) where, in Formula (3), Y indicates any one of S, C, N and P, R4 indicates any one of an alkyl group and a fluoroalkyl group, and m and n each indicate any one of 1 and 2.Type: GrantFiled: October 27, 2011Date of Patent: September 17, 2013Assignees: Nissan Motor Co., Ltd., National University Corporation Yokohama National UniversityInventors: Masayoshi Watanabe, Hirofumi Nakamoto, Tomokazu Yamane, Toshihiro Takekawa
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Publication number: 20130236798Abstract: Disclosed is a composite electrolyte membrane for a fuel cell. The composite electrolyte membrane includes a polybenzimidazole-based polymer and a metal-grafted porous structure. The composite electrolyte membrane is doped with phosphoric acid. The metal-containing porous structure is present in an amount of 0.1 to 30% by weight, based on the weight of the polymer. The presence of the metal-containing porous structure allows the fuel cell electrolyte membrane to have excellent thermal properties and high proton conductivity.Type: ApplicationFiled: October 5, 2010Publication date: September 12, 2013Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Haksoo Han, Minsu Jeong, Seung-Hyuk Choi
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Patent number: 8530110Abstract: A lithium-ion secondary battery separator has a porous structure formed by laminating a second polymer layer, a first polymer layer, and a second polymer layer in sequence. The second polymer layer has a melting point lower than that of the first polymer layer. The second polymer layer has a higher molecular part formed on a side in contact with the first polymer layer and a lower molecular part formed on a side farther from the first polymer layer than is the higher molecular part. The higher and lower molecular parts have a weight-average molecular weight ratio (higher molecular part/lower molecular part) of 4 to 19 therebetween.Type: GrantFiled: November 16, 2009Date of Patent: September 10, 2013Assignee: TDK CorporationInventors: Katsuo Naoi, Kenji Nishizawa, Mitsuo Kougo, Yoshihiko Ohashi, Hidetake Itoh
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Publication number: 20130230790Abstract: Provided are a polymer electrolyte membrane for fuel cells, and a membrane electrode assembly and a fuel cell including the same. More specifically, provided is a polymer electrolyte membrane for fuel cells including a hydrocarbon-based cation exchange resin having hydrogen ion conductivity and fibrous nanoparticles having a hydrophilic group. By using the fibrous nanoparticles having a hydrophilic group in conjunction with the hydrocarbon-based cation exchange resin having hydrogen ion conductivity, it is possible to obtain a polymer electrolyte membrane for fuel cells that exhibits improved gas barrier properties and long-term resistance, without causing deterioration in performance of fuel cells, and a fuel cell including the polymer electrolyte membrane.Type: ApplicationFiled: December 17, 2010Publication date: September 5, 2013Applicant: LG CHEM, LTDInventors: Hyuk Kim, Seong Ho Choi, Kyung A. Sung, Sang Woo Lee, Tae Geun Noh, Ji Soo Kim
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Patent number: 8524415Abstract: A high surface area support material is formed of an intimate mixture of carbon clusters and titanium oxide clusters. A catalytic metal, such as platinum, is deposited on the support particles and the catalyzed material used as an electrocatalyst in an electrochemical cell such as a PEM fuel cell. The composite material is prepared by thermal decomposition and oxidation of an intimate mixture of a precursor carbon polymer, a titanium alkoxide and a surfactant that serves as a molecular template for the mixed precursors.Type: GrantFiled: October 4, 2010Date of Patent: September 3, 2013Assignee: GM Global Technology Operations LLCInventors: Mei Cai, Suresh K. Donthu, Martin S. Ruthkosky, Ion C. Halalay
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Publication number: 20130224609Abstract: An electrolyte including a lithium ion conductive polymer, a lithium salt, and an ionic liquid including an anion represented by Formula 1 below: wherein, in Formula 1 above, R1 and R2 are defined herein.Type: ApplicationFiled: November 9, 2012Publication date: August 29, 2013Applicants: NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITY, SAMSUNG ELECTRONICS CO., LTD.Inventors: SAMSUNG ELECTRONICS CO., LTD., National University Corporation Mie University
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Publication number: 20130224624Abstract: The present invention is directed to proton exchange membranes such as for use in fuel cells. In one embodiment, a polyetherquinoxaline is obtained by reaction between a haloquinoxaline and at least one diol, which forms a repeating unit including an ether linkage. The polyetherquinoxaline is suitable for use in a proton exchange membrane, which can be used in a fuel cell.Type: ApplicationFiled: March 20, 2013Publication date: August 29, 2013Applicants: RenoInventor: Board of Regents of the Nevada System of Higher Education, on behalf of the University of Nevada, Reno
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Patent number: 8518594Abstract: A power cell comprises a membrane with a first side and a second side. The membrane has a geometric structure encompassing a volume. The power cell also has a cover that is coupled to the membrane to separate the first flow path from the second flow path at the membrane. In the power cell, first and second catalyst is in gaseous communication with respective first flow path and second flow path and in ionic communication with respective first and second sides of the membrane. Furthermore, a first electrode is electrically coupled to the first catalyst on the first side of the membrane, and a second electrode is electrically coupled to the second catalyst on the second side of the membrane. In another embodiment, the power cell further includes a substrate on which the membrane is coupled.Type: GrantFiled: March 2, 2007Date of Patent: August 27, 2013Assignee: Encite, LLCInventor: Stephen A. Marsh
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Patent number: 8519074Abstract: Polymers including pendent hydrophobic groups and pendent proton transfer groups are shown to form nanostructured films exhibiting greatly increased proton conductivity compared with films prepared from corresponding polymers lacking hydrophobic groups. The polymers can include repeating units each of which has both a hydrophobic group and a proton transfer group. Alternatively, the polymers can be the product of copolymerizing a first monomer with at least one hydrophobic group and a second monomer with at least one proton transfer group. The polymers are useful for the preparation of fuel cell proton exchange membranes.Type: GrantFiled: December 21, 2010Date of Patent: August 27, 2013Assignee: The University of MassachusettesInventors: Sankaran Thayumanavan, Mark Tuominen, Ryan Hayward
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Patent number: 8518597Abstract: The present invention provides a catalytic layer-electrolytic membrane laminate for an unhumidified-type fuel cell, comprising an electrolytic membrane containing a strong acid; a conductive layer formed on one surface or both surfaces of the electrolytic membrane; and a catalytic layer formed on the conductive layer; wherein the conductive layer is formed of a fluorine-containing resin and carbon powder, and the conductive layer is thinner than the electrolytic membrane. The present invention provides a catalytic layer-electrolytic membrane laminate for an unhumidified-type fuel cell that can be practically used.Type: GrantFiled: January 14, 2008Date of Patent: August 27, 2013Assignee: Dai Nippon Printing Co., Ltd.Inventor: Masashi Hiromitsu
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Publication number: 20130216936Abstract: A method of producing an alkaline single ion conductor with high conductivity includes: a) providing a hydrocarbon oligomer or polymer having immobilized acidic substituent groups selected from the group consisting of a sulfonic acid group, sulfamide group, a phosphonic acid group, or a carboxy group, in its alkaline ion form wherein at least a part of the acidic protons of the substituent groups have been exchanged against alkali cations, and b) solvating the hydro-carbon oligomer or polymer of step a) in an aprotic polar solvent for a sufficient time to effect a solvent uptake of at least 5% by weight and to obtain a solvated product, wherein the molar ratio of solvent/alkaline cation is 1:1 to 10,000:1, and which solvated product has a conductivity of at least 10?5 S/cm at room temperature (24° C.).Type: ApplicationFiled: November 2, 2011Publication date: August 22, 2013Applicant: Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.Inventors: Annette Fuchs, Klaus-Dieter Kreuer, Joachim Maier, Andreas Wohlfarth
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Publication number: 20130216935Abstract: Provided is poly(benzimidazole-co-benzoxazole) having polybenzimidazole to which benzoxazole units are introduced, as a polymer electrolyte material. The polymer electrolyte material has both high proton conductivity and excellent mechanical properties even when it is obtained by in-situ phosphoric acid doping. The polymer electrolyte material may substitute for the conventional phosphoric acid-doped polybenzimidazole in a polymer electrolyte membrane fuel cell, particularly in a high-temperature polymer electrolyte membrane fuel cell.Type: ApplicationFiled: February 7, 2013Publication date: August 22, 2013Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventor: Korea Institute Of Science And Technology
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Patent number: 8512909Abstract: A laminated electrolyte membrane, a membrane electrode assembly including the laminated electrolyte membrane, and a method of preparing the laminated electrolyte membrane, the laminate electrolyte membrane comprising at least two polymer membranes that are laminated together, and an electrolytic polymer obtained by polymerizing a monomer having a polymerizable functional group and a proton dissociable functional group.Type: GrantFiled: August 11, 2009Date of Patent: August 20, 2013Assignee: Samsung Electronics Co., Ltd.Inventor: Satoshi Yanase
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Publication number: 20130209914Abstract: Disclosed is a fluororesin-coated polymer film for reinforcing a polymer electrolyte membrane, wherein the fluororesin-coated polymer film is fabricated by forming on at least one side of a polymer film a coating of a reaction product of (A) a fluorine-containing copolymer composed of a fluoroolefin, a cyclohexyl group-containing acrylic ester, and a hydroxyl group-containing vinyl ether, and (B) a crosslinking agent having two or more isocyanate groups. The polymer film according to the present invention not only exhibits sufficiently high initial adhesion strength, with respect to the polymer electrolyte membrane, but also retains thereafter high adhesion strength in actual operating environments.Type: ApplicationFiled: March 15, 2013Publication date: August 15, 2013Applicant: W. L. Gore & Associates, Co., Ltd.Inventor: W. L. Gore & Associates, Co., Ltd.
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Patent number: 8507147Abstract: A cell of a fuel cell comprises an anode, a cathode, and between the cathode and the anode, a layer of ceramic including activated boron nitride.Type: GrantFiled: March 6, 2008Date of Patent: August 13, 2013Assignee: Ceram HydInventor: Arash Mofakhami
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Patent number: 8507148Abstract: A benzoxazine-based monomer includes a halogen atom-containing functional group and a nitrogen-containing heterocyclic group. A polymer formed from the benzoxazine-based monomer may be used in an electrode for a fuel cell and electrolyte membrane for a fuel cell.Type: GrantFiled: May 4, 2012Date of Patent: August 13, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Seongwoo Choi, Jungock Park
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Patent number: 8507146Abstract: The present invention discloses a membrane for polymer electrolyte fuel cell, which comprises a hydrocarbon cation exchange resin membrane wherein a cation exchange group is covalently bonded to a hydrocarbon resin, and an adhesive layer formed on at least one side of the hydrocarbon cation exchange resin membrane, wherein the adhesive layer is made of a hydrocarbon cation exchange resin having a Young's modulus of 1 to 300 MPa and a solubility of less than 1% by mass in water of 20° C.; and a membrane-electrode assembly which is obtained by forming a catalyst electrode layer on at least one side of the above-mentioned membrane for polymer electrolyte fuel cell.Type: GrantFiled: October 25, 2007Date of Patent: August 13, 2013Assignee: Tokuyama CorporationInventors: Kazuyuki Sadasue, Kenji Fukuta
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Publication number: 20130202987Abstract: A multilayer polyelectrolyte membrane for fuel cell applications includes a first perfluorocyclobutyl-containing layer that includes a polymer having perfluorocyclobutyl moieties. The first layer is characteristically planar having a first major side and a second major side over which additional layers are disposed. The membrane also includes a first PFSA layer disposed over the first major side of the first layer and a second PFSA layer disposed over the second major side of the first layer.Type: ApplicationFiled: February 2, 2012Publication date: August 8, 2013Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, LLCInventors: Lijun Zou, Scott C. Moose, Timothy J. Fuller
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Patent number: 8501369Abstract: The invention relates to proton-conducting composites comprising a polymer matrix within which inorganic particles are dispersed, grafted to the surface of which particles are polymers comprising repeat units that comprise at least one acid proton-exchange group, optionally in the form of salts, or a precursor group of said acid group, said particles being chosen from particles of zeolites, of zirconium phosphates or phosphonates, or of oxides. Application to the field of fuel cells.Type: GrantFiled: June 20, 2008Date of Patent: August 6, 2013Assignee: Commissariat a l'Energie AtomiqueInventors: Frédérick Niepceron, Hervé Galiano, Jean-François Tassin
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Publication number: 20130196251Abstract: Hybrid membranes based on crystalline titanium dioxide containing fluorine atoms within the crystalline lattice comprising atoms of titanium and oxygen are described; these hybrid membranes are particularly suitable for the production of fuel cells and electrolysers. The titanium dioxide contained in them may be produced by a process comprising the following stages: (a) a titanium ore is reacted with a NH4HF2 aqueous solution of; (b) the aqueous dispersion so obtained is filtered with subsequent separation of a solid residue and an aqueous solution containing titanium salts; (c) the aqueous solution so obtained is subjected to hydrolysis, said hydrolysis comprising a first stage at pH 6.5-8.0 and a second stage at pH 9-11; (d) the aqueous dispersion thus obtained is filtered and the solid residue is subjected to pyrohydrolysis at a maximum temperature of approximately 500° C., preferably approximately 450° C.Type: ApplicationFiled: July 21, 2011Publication date: August 1, 2013Applicant: BRETON SPAInventors: Vito Di Noto, Nicola Boaretto, Enrico Negro, Mauro Bettiol, Fabio Bassetto
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Publication number: 20130196248Abstract: A compound including a cage-type structure of silsesquioxane wherein a group represented by Formula 1 or a salt thereof is directly linked to at least one silicon atom of the silsesquioxane, a composition including the compound, a composite formed therefrom, electrodes and an electrolyte membrane that include the composite, a method of preparing the compound, and a fuel cell including the electrodes and the electrolyte membrane. wherein in Formula 1, n is 1 or 2.Type: ApplicationFiled: January 23, 2013Publication date: August 1, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: SAMSUNG ELECTRONICS CO., LTD.
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Patent number: 8492050Abstract: A polymer electrolyte membrane (PEM) for fuel cells is provided, as well as a method for manufacturing the PEM by direct casting on the fuel cells electrodes. The PEM, consisting of an ionic liquid entrapped within polysiloxane-RTV matrix, is stable at high temperatures, in acidic and basic environments, and exhibits a high conductivity, without the crossover of methanol.Type: GrantFiled: December 22, 2006Date of Patent: July 23, 2013Assignee: Ben Gurion University of the Negev Research & Development AuthorityInventors: Eli Korin, Armand Bettelheim
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Publication number: 20130183603Abstract: The present invention relates to a novel proton-conducting polymer membrane based on polyazole polymers which, owing to their outstanding chemical and thermal properties, can be used widely and are suitable in particular as polymer electrolyte membrane (PEM) for producing membrane electrode assemblies or so-called PEM fuel cells.Type: ApplicationFiled: January 16, 2013Publication date: July 18, 2013Inventor: BASF SE
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Publication number: 20130183602Abstract: The present invention relates to a novel proton-conducting polymer membrane based on polyazole polymers which, owing to their outstanding chemical and thermal properties, can be used widely and are suitable in particular as polymer electrolyte membrane (PEM) for producing membrane electrode assemblies or so-called PEM fuel cells.Type: ApplicationFiled: January 16, 2013Publication date: July 18, 2013Applicant: BASF SEInventor: BASF SE
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Patent number: 8486280Abstract: The present invention provides a method of forming a nanostructured surface (NSS) on a polymer electrolyte membrane (PEM) of a membrane electrode assembly (MEA) for a fuel cell, in which a nanostructured surface is suitably formed on a polymer electrolyte membrane by plasma treatment during plasma assisted etching in a plasma-assisted chemical vapor deposition (PACVD) chamber, where catalyst particles or a catalyst layer are directly deposited on the surface of the polymer electrolyte membrane having the nanostructured surface.Type: GrantFiled: June 1, 2009Date of Patent: July 16, 2013Assignees: Hyundai Motor Company, Kia Motors Corporation, Korea Institute of Science and TechnologyInventors: Kwang Ryeol Lee, Myoung Woon Moon, Sae Hoon Kim, Byung Ki Ahn
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Patent number: 8486579Abstract: The present invention relates to a polymer blend proton exchange membrane comprising a soluble polymer and a sulfonated polymer, wherein the soluble polymer is at least one polymer selected from the group consisting of polysulfone, polyethersulfone and polyvinylidene fluoride, the sulfonated polymer is at least one polymer selected from the group consisting of sulfonated poly(ether-ether-ketone), sulfonated poly(ether-ketone-ether-ketone-ketone), sulfonated poly(phthalazinone ether ketone), sulfonated phenolphthalein poly (ether sulfone), sulfonated polyimides, sulfonated polyphosphazene and sulfonated polybenzimidazole, and wherein the degree of sulfonation of the sulfonated polymer is in the range of 96% to 118%. The present invention further relates to a method for manufacturing the polymer blend proton exchange membrane.Type: GrantFiled: June 23, 2010Date of Patent: July 16, 2013Assignee: Prudent Energy Inc.Inventors: Mianyan Huang, Yanling Zhao, Linlin Li
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Publication number: 20130177834Abstract: Provided are a polymer electrolyte membrane used in fuel cells, and a method for producing the same, the method including a step of filling a crosslinkable ion conductor in the pores of a porous nanoweb support; and a step of crosslinking the ion conductor filled in the pores of the porous nanoweb support. The method for producing a polymer electrolyte membrane uses a relatively smaller amount of an organic solvent, can ameliorate defects of the support caused by solvent evaporation, and can enhance the impregnability of the ion conductor to the support and the convenience of the process.Type: ApplicationFiled: April 2, 2012Publication date: July 11, 2013Applicant: KOLON INDUSTRIES, INC.Inventors: Dong Hoon Lee, Na Young Kim, Moo Seok Lee, Yong Cheol Shin
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Patent number: 8481227Abstract: Materials are provided that may be useful as ionomers or polymer ionomers, including compounds including bis sulfonyl imide groups which may be highly fluorinated and may be polymers.Type: GrantFiled: June 21, 2012Date of Patent: July 9, 2013Assignee: 3M Innovative Properties CompanyInventors: Steven J. Hamrock, Mark S. Schaberg, Neeraj Sharma, John E. Abulu
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Patent number: 8481225Abstract: The present invention provides a membrane electrode assembly (MEA) which has a high level of power generation performance under a low humidified condition and a high level of production efficiency, and further, a manufacturing method of such an MEA and a fuel cell having such an MEA. The present invention includes forming first electrode catalyst layer 2, forming polymer electrolyte layer 1 on the first electrode catalyst layer 2 in such a way that a cross sectional surface of the first electrode catalyst layer 2 is also covered with the polymer electrolyte layer 1, and forming second electrode catalyst layer 3 on the polymer electrolyte layer 1 in such a way that a cross sectional surface of the second electrode catalyst layer 3 is covered with the polymer electrolyte layer 1.Type: GrantFiled: April 22, 2010Date of Patent: July 9, 2013Assignee: Toppan Printing Co., Ltd.Inventor: Masashi Oota