Entries |
Document | Title | Date |
20100239959 | Method for preparation of the solid oxide fuel cell single cell - There are disclosed a method for preparation of the solid oxide fuel cell single cell and a single cell with nano (micro) meso porous cathode electrode that are operational from 723 to 1073 K. The cathode electrode of the single cell possesses very large surface area (10-500 m2 g | 09-23-2010 |
20100239960 | PRODUCTION METHOD FOR FUEL CELL SEPARATOR - The present invention provides a production method for fuel cell separator, including: preparing a material plate made of stainless steel; press forming the material plate, so that the material plate has a cross section having a concavo-convex shape; and plating only convex of the concavo-convex shape of the material plate with a conductive metal, wherein in the plating, a plating solution holding member, having a plating solution including an ion of the conductive metal, is prepared, the plating solution holding member contacts only the convex, and current is supplied between the solution holding member and the material plate, and in the plating, hydrogen is generated on a surface of the material plate, a passivation film formed on the surface of the material plate is reduced by the hydrogen, and the material plate is plated with the conductive metal. | 09-23-2010 |
20100239961 | HIGH TEMPERATURE GAS SEALS - A flexible seal for use in a solid oxide fuel cell stack is formed from a fibre matrix with a plurality of solid particles through tape casting method. The fibres and particles are preferably ceramic and may be formed from alumina or zirconia. The seal may be formed by forming a slurry of fibres, particles, a binder and a non-aqueous solvent, tape casting the slurry, drying the tape seal, die-cutting, prior to installation in the fuel cell stack. | 09-23-2010 |
20100248087 | METHOD FOR PRODUCING AN ELECTRODE-MEMBRANE-FRAME ASSEMBLY - In the method of the invention for producing an electrode-membrane-frame assembly, its principal part is formed by laying a first catalyst layer onto one of surfaces of an electrolyte membrane, arranging a first gas diffusion layer onto the surface of the first catalyst layer and inside the circumferential region of the electrolyte membrane, laying a second catalyst layer onto the other surface of the electrolyte membrane, and arranging a second gas diffusion layer onto the surface of the second catalyst layer and inside the circumferential region of the electrolyte membrane so as to make the position of the outer circumference of the second gas diffusion layer different from that of the outer circumference of the first gas diffusion layer. Then, in the state that an outer circumferential portion of either the first gas diffusion layer or the second gas diffusion layer, the portion being positioned outside a region of the first and second gas diffusion layers wherein the two layers are opposed to each other, is opposed to a portion of a flat region located inside the frame of a frame-form primary molded body, the circumferential region of the principal part is arranged on the flat region, and subsequently a secondary molded body is formed to cover the circumferential region of the electrolyte membrane with the second molded body together with the primary molded body, in order to prevent the polymer electrolyte membrane from being broken or deformed. | 09-30-2010 |
20100330463 | PROCESS FOR PREPARING OF A CATALYST SOLUTION FOR FUEL CELL AND A MEMBRANE ELECTRODE ASSEMBLY USING THE SAME - The present invention discloses a process for preparing catalyst solution for a membrane-electrode assembly in a fuel cell, which comprises the steps of a) mixing a catalyst solution (Solution A) wherein catalyst particles are dispersed in water and an ion conductive resin solution (Solution B) wherein an ion conductive resin is dissolved in water, low boiling point organic solvent or a mixture thereof, to form a dispersion; b) mixing the dispersion obtained from step a) with functional additive dissolved in high boiling point solvent or a mixture of low boiling point solvent arid water (Solution C) to prepare catalyst ink dispersion; and c) aging the catalyst ink dispersion obtained from step b). | 12-30-2010 |
20110045386 | Method For Making A Fuel Cell - The invention is a novel solid oxide fuel cell (SOFC) stack comprising individual bi-electrode supported fuel cells in which a thin electrolyte is supported between electrodes of essentially equal thickness. Individual cell units are made from graded pore ceramic tape that has been created by the freeze cast method followed by freeze drying. Each piece of graded pore tape later becomes a graded pore electrode scaffold that subsequent to sintering, is made into either an anode or a cathode by means of appropriate solution and thermal treatment means. Each cell unit is assembled by depositing of a thin coating of ion conducting ceramic material upon the side of each of two pieces of tape surface having the smallest pore openings, and then mating the coated surfaces to create an unsintered electrode scaffold pair sandwiching an electrolyte layer. The opposing major outer exposed surfaces of each cell unit is given a thin coating of electrically conductive ceramic, and multiple cell units are stacked, or built up by stacking of individual cell layers, to create an unsintered fuel cell stack. Ceramic or glass edge seals are installed to create flow channels for fuel and air. The cell stack with edge sealants is then sintered into a ceramic monolithic framework. Said solution and thermal treatments means convert the electrode scaffolds into anodes and cathodes. The thin layers of electrically conductive ceramic become the interconnects in the assembled stack. | 02-24-2011 |
20110097651 | Membrane Electrode Assembly (MEA) Fabrication Procedure on Polymer Electrolyte Membrane Fuel Cell - Provided is a method for fabricating membrane electrode assembly (MEA) on a polymer electrolyte membrane fuel cell. The method includes adhering or fixing the first backing film to a polymer electrolyte membrane; forming a first catalyst layer on the polymer electrolyte membrane; removing the first backing film; adhering or fixing the second backing film to the first catalyst layer formed on the surface of the polymer electrolyte membrane; forming the second catalyst layer on the other side of the polymer electrolyte membrane; and removing the second backing film to complete the MEA. | 04-28-2011 |
20110104589 | Hybrid Electrically Conductive Fluid Distribution Separator Plate Assembly for Fuel Cells - In at least one embodiment, the present invention provides an electrically conductive fluid distribution separator plate assembly, a method of making, and a system for using, the electrically conductive fluid distribution separator plate assembly. In at least one embodiment, the electrically conductive fluid distribution separator plate assembly comprises a metallic cathode plate having opposed surfaces and a first contact resistance, a polymeric composite anode plate adjacent to the metallic cathode plate, and a low contact resistance coating located on at least one of the surfaces of the plates, with the coating having a second contact resistance, less than the first contact resistance. | 05-05-2011 |
20110104590 | Method for Producing Ion Conductivity Providing Agent for Catalyst Electrode Layer in Anion-Exchange Membrane Type Fuel Cell - Disclosed is a method for producing an ion-conductivity providing agent for a catalyst electrode layer of an anion-exchange membrane type fuel cell comprising: producing anionic conductive resin including a quaternary onium base having a halogeno ion as its counterion, and bringing the halogen type anionic conductive resin into contact with carbonate solution and/or bicarbonate solution to directly obtain anionic conductive resin in which at least a part of the counterion of said quaternary onium base is CO | 05-05-2011 |
20110111328 | HYBRID MEMBRANE-ELECTRODE ASSEMBLY WITH MINIMAL INTERFACIAL RESISTANCE AND PREPARATION METHOD THEREOF - The present invention provides a membrane-electrode assembly comprising: electrodes consisting of a anode comprising a gas diffusion layer and a catalyst material-containing active layer, and an cathode comprising a diffusion layer and a catalyst material-containing active layer; and an electrolyte membrane interposed between the anode and the cathode and comprising a catalyst material-containing active layer at one or both sides, ‘the electrodes being hot-pressed, to the electrolyte membrane, wherein in coating the active layer on the gas diffusion layer, the viscosity of the active layer is in a range of 100 to 10,000 cPs, as well as a production method thereof. The inventive membrane-electrode assembly has a low interfacial resistance between the membrane and the electrodes, as well as high catalyst availability and excellent power density, and can be mass-produced. | 05-12-2011 |
20110111329 | METHOD AND FACILITY FOR PRODUCING SEPARATOR FOR USE IN POLYMER ELECTROLYTE FUEL CELL - A material | 05-12-2011 |
20110123910 | MEMBRANE-ELECTRODE ASSEMBLY, METHOD OF PRODUCING THE ASSEMBLY, AND SOLID POLYMER-TYPE FUEL CELL EMPLOYUNG THE SAME - A first layered article ( | 05-26-2011 |
20110159408 | MANUFACTURING METHOD OF SOLID OXIDE FUEL CELL, AND MANUFACTURING METHOD OF COMPACT OF DIVIDED MEMBER OF THE CELL - A compact of a support-member divided-member, which has a shape formed by dividing a support member into two in the thickness direction so as to divide the fuel channel into two in the thickness direction, is manufactured by a gel cast method in which slurry is filled in a molding die. A compact of a fuel-side electrode and a compact of an electrolyte are successively stacked on the upper surface of the compact of the support-member divided-member, whereby a compact of a cell divided member is obtained. The two compacts of the cell divided member are bonded and sintered, whereby an SOFC cell (sintered body) in which an oxygen-side electrode is not formed is formed. A compact of the oxygen-side electrode is formed respectively on the upper and lower surfaces of the sintered body, and then, the compact of the oxygen-side electrode is sintered, whereby the SOFC cell is completed. | 06-30-2011 |
20110177434 | METHOD FOR PRODUCTION OF A SOLID OXIDE FUEL CELL (SOFC) - A method for production of a solid oxide fuel cell (SOFC) ( | 07-21-2011 |
20110189590 | Method of Making an Electrochemical Cell with a Catalytic Electrode Including Manganese Dioxide - The invention is a process for making an electrochemical cell with a catalytic electrode including a catalyst made by a solution precipitation process via an oxidation-reduction reaction between water-soluble oxidizing and reducing agents, at least one of which includes manganese. The reaction is carried out at less than 65° C., preferably with little or no heating. The oxidizing agent does not have a cation that is reduced in the reaction, and the reducing agent does not have an anion that is reduced in the reaction. | 08-04-2011 |
20110207028 | Method for Producing an Anion-Exchange Membrane for a Solid Polymer Electrolyte Type Fuel Cell - An anion-exchange membrane having quaternary ammonium groups or quaternary phosphonium groups wherein halogen ions serve as the counter ions is obtained. Rather than being subjected to ion exchange with an OH-type membrane using a toxic substance such as sodium hydroxide, the halogen-type anion exchange membrane is brought into contact with a carbonate solution and/or bicarbonate solution to directly obtain an anion exchange membrane where at least some of the counterions of the quaternary ammonium groups or quaternary phosphonium groups are CO | 08-25-2011 |
20110229801 | MANUFACTURE OF FUEL CELL - A fuel cell is manufactured using a polymer electrolyte membrane ( | 09-22-2011 |
20110229802 | MANUFACTURE OF FUEL CELL - A fuel cell is manufactured using a polymer electrolyte membrane ( | 09-22-2011 |
20110229803 | INTERCONNECTS FOR SOLID OXIDE FUEL CELLS AND FERRITIC STAINLESS STEELS ADAPTED FOR USE WITH SOLID OXIDE FUEL CELLS - Various embodiments relate to interconnects for solid oxide fuel cells (“SOFCs”) comprising ferritic stainless steel and having at least one via that when subjected to an oxidizing atmosphere at an elevated temperature develops a scale comprising a manganese-chromate spinel on at least a portion of a surface thereof, and at least one gas flow channel that when subjected to an oxidizing atmosphere at an elevated temperature develops an aluminum-rich oxide scale on at least a portion of a surface thereof. Other embodiments relate to interconnects comprising a ferritic stainless steel and having a fuel side comprising metallic material that resists oxidation during operation of the SOFCs, and optionally include a nickel-base superalloy on the oxidant side thereof. Still other embodiments relate to ferritic stainless steels adapted for use as interconnects comprising ≦0.1 weight percent aluminum and/or silicon, and >1 up to 2 weight percent manganese. Methods of making interconnects are also disclosed. | 09-22-2011 |
20110236800 | METHOD FOR MANUFACTURING MEMBRANE ELECTRODE ASSEMBLY - A membrane electrode assembly composed of a polymer electrolyte membrane and diffusion layers bonded to both surfaces of the polymer electrolyte membrane, as well as a polymer electrolyte fuel cell including the membrane electrode assembly, are provided. The polymer electrolyte membrane includes a porous polymer membrane, proton conductive groups disposed in pores of the porous polymer membrane, and a catalyst-supporting conductive material embedded in the pores at least in the neighborhood of at least one surface of the porous polymer membrane. A method for forming the assembly and a polymer electrolyte fuel cell including the assembly are also provided. | 09-29-2011 |
20110236801 | FUEL CELL AND PRODUCTION OF FUEL CELL STACK - Separators ( | 09-29-2011 |
20110244372 | Fuel Supply with Improved Connecting Valve - Disclosed herein are connecting valves ( | 10-06-2011 |
20110250526 | METHOD FOR FABRICATING A POLYMER ELECTROLYTE MEMBRANE FOR A FUEL CELL - In order to significantly improve power generation efficiencies for the fuel cells, the present invention provides a method for fabricating a polymer electrolyte membrane comprising a surface with an array of a plurality of fine convex portion with a depth of not less than 3 μm and not more than 12 μm and an aspect ratio of not less than 0.4 and not more than 2.0, | 10-13-2011 |
20110269059 | METHOD OF MAKING A SOLID OXIDE FUEL CELL STACK - A method of making a solid oxide fuel cell (SOFC) stack that includes the steps of applying a seal enhancing coating and a conductive coating onto respective surfaces of a separator plate and simultaneously co-firing the coatings in a reducing atmosphere. The method may also include, prior to the step of co-firing, the step of assembling a plurality of separator plates with complementary cell-retainer assemblies to form a plurality of fuel cell cassettes. The fuel cell cassettes are then stacked with a glass sealant applied between the fuel cell cassettes to form a SOFC stack. The entire SOFC stack is then co-fired in a reducing atmosphere such that the seal enhancing and conductive coatings are bonded into the respective surfaces and the glass sealant devitrify to form a glass seal joining and sealing the cassettes of the SOFC stack. | 11-03-2011 |
20110287342 | Porous membrane for fuel cell electrolyte membrane and method for manufacturing the same - To obtain a porous membrane for a fuel cell electrolyte membrane, having mechanical property which is equal in the longitudinal and lateral directions. A porous membrane | 11-24-2011 |
20110305976 | MANUFACTURING METHOD OF FUEL CELL MODULE AND MANUFACTURING METHOD OF FUEL CELL - A manufacturing method of a fuel cell module includes: forming an outer divided body having a frame shape and formed from an uncrosslinked item of solid rubber having adhesiveness in a seal member arrangement portion of a separator to produce an outer temporary assembly, and forming an inner divided body having a frame shape and formed from an uncrosslinked item of solid rubber in a peripheral edge portion of an electrode member to produce an inner temporary assembly fitting the inner temporary assembly into a frame of the outer temporary assembly to produce a cell assembly temporary assembly; arranging a cell assembly stack, in which a plurality of the cell assembly temporary assemblies are stacked, in a forming die; and pressurizing and heating the forming die to crosslink the uncrosslinked item. | 12-15-2011 |
20120003570 | METHOD OF MAKING A FUEL CELL DEVICE - The present invention relates to a method of making fuel cell devices. A stack structure is formed having plural ceramic layers, anode layers, cathode layers, and sacrificial layers, where the sacrificial layers are sized to provide internal gas passages. Removable structures are placed in contact with the sacrificial layers and extend to an edge. After laminating the stacked structure, the removable structures are pulled out to form bake-out paths that facilitate removal of the sacrificial material during a heating step, which paths are later sealed. | 01-05-2012 |
20120003571 | METHOD OF MAKING A FUEL CELL DEVICE - The invention relates to a method of making fuel cell devices. Anode and cathode layers are applied on respective first and opposing second sides of a first portion of a first green ceramic layer, and a second green ceramic layer of thickness approximately equal to that of the anode and cathode layers is applied on a second portion of each of the first and second sides of the first green ceramic layer. A sacrificial layer is applied over each of the anode, cathode and second green ceramic layers, and a third green ceramic layer is applied over the sacrificial layers. The layered structure is heated to sinter all the layers and burn out the sacrificial layers. A pair of gas passages is thus formed with a thick sintered ceramic therebetween as a passive supporting portion and an anode, thin electrolyte and cathode therebetween as an active portion of the device. | 01-05-2012 |
20120003572 | MANUFACTURING METHOD AND MANUFACTURING APPARATUS FOR CATALYST-COATED MEMBRANE ASSEMBLY - In order to further suppress the occurrence of wrinkles and pinholes in a polymer electrolyte membrane, a manufacturing method for a catalyst-coated membrane assembly according to the present invention includes a preliminary drying process in which a catalyst ink coated onto one surface of the polymer electrolyte membrane is preliminary dried by heating the polymer electrolyte membrane from the side of the other surface so that swelling of the polymer electrolyte membrane is returned to its original state, and a main drying process which is carried out after the preliminary drying process by heating the polymer electrolyte membrane from the side of the one surface. | 01-05-2012 |
20120009505 | ANISOTROPIC CTE LSM FOR SOFC CATHODE - An anisotropic coefficient of thermal expansion (CTE) cathode of a solid oxide fuel cell (SOFC) is formed by placing a layer of perovskite powder between two platens, and sintering the layer while applying pressure to the platens, thereby forming the anisotropic CTE cathode. The perovskite can be lanthanum strontium manganite (LSM). | 01-12-2012 |
20120009506 | MANUFACTURING METHOD OF CELL ASSEMBLY FOR FUEL CELL AND MANUFACTURING METHOD OF FUEL CELL - A manufacturing method of a cell assembly for a fuel cell includes: producing an electrode member, a separator, and a seal member preform, which has a frame shape and which is formed from an uncrosslinked item of solid rubber having adhesiveness, in a predetermined shape in advance; arranging the electrode member, the separator, and the seal member preform in a forming die including a pressing member, and closing the forming die while the pressing member is pressing a side of the electrode member that is opposite to the separator in the thickness direction; and pressurizing and heating the forming die to crosslink the uncrosslinked item so that the seal member seals the peripheral edge portion of the electrode member and integrates the electrode member and the separator with each other. | 01-12-2012 |
20120009507 | PRECONDITIONING TREATMENT TO ENHANCE REDOX TOLERANCE OF SOLID OXIDE FUEL CELLS - A high temperature, redox tolerant fuel cell anode electrode and method of fabrication in which the anode electrode is pre-conditioned by application of an initial controlled redox cycle to the electrode whereby an initial re-oxidation of the anode electrode is carried out at temperatures less than or equal to about 650° C. | 01-12-2012 |
20120021340 | FABRICATION METHOD FOR ENHANCING THE ELECTRICAL CONDUCTIVITY OF BIPOLAR PLATES - A fabrication method for enhancing the electrical conductivity of bipolar plates, adapted for laminating a three-layered structure that is constructed by sandwiching a bonding layer made of a conductive material between two bipolar plates made of a thermoplastic polymer composite, is disclosed, which comprises the steps of: using an induction coil to heat up the bonding layer; and exerting a pressure upon the two bipolar plates for laminating the bonding layer to the two bipolar plates. With the aforesaid method, not only the through-plane conductivity with regard to the two bipolar plates can be enhanced, but also the processing time is greatly reduced. | 01-26-2012 |
20120028172 | MANUFACTURE OF A FUEL CELL WITH LIQUID ELECTROLYTE MIGRATION PREVENTION | 02-02-2012 |
20120100463 | FUEL CELL PRODUCTION METHOD - A method of producing a fuel cell includes: preparing a plurality of carbon nanotubes that are aligned substantially vertically to a plane of a substrate; supporting an electrode catalyst on the carbon nanotubes; forming an electrode layer by disposing an ionomer formed of a first solid polymer electrolyte on a surface of the carbon nanotubes on which the electrode catalyst is supported; and placing the electrode layer to face an electrolyte membrane formed of a second solid polymer electrolyte, which has a glass-transition temperature lower than that of the first solid polymer electrolyte, and bonding the electrolyte membrane to the electrode layer by applying a pressure higher than 5 MPa between the electrolyte membrane and electrode layer at a temperature that is higher than the glass-transition temperature of the second solid polymer electrolyte and that is lower than the glass-transition temperature of the first solid polymer electrolyte. | 04-26-2012 |
20120135337 | Non-Destructive Testing Methods for Fuel Cell Interconnect Manufacturing - Various embodiments provide methods for testing a fuel cell interconnect including the steps of providing a fuel cell interconnect and performing a non-destructive test on the fuel cell interconnect comprising at least one of detecting a magnetic response of the interconnect, calculating a volume by optically illuminating the interconnect, detecting an acoustic response of the interconnect, and detecting a thermal response of the interconnect. | 05-31-2012 |
20120141920 | MANUFACTURING A FUEL CELL MEMBRANE-ELECTRODE ASSEMBLY - The present invention provides an apparatus and method for manufacturing a fuel cell membrane-electrode assembly by forming a catalyst layer, which has uniform distribution, excellent porosity, and excellent bondability to a polymer electrolyte membrane, on a metal roll by an electrospray process and transferring the catalyst layer to a polymer electrolyte membrane. | 06-07-2012 |
20120141921 | MANUFACTURING METHOD OF FUEL CELL STACK - The present invention provides a joining method of a gas diffusion layer and an electrode membrane including a catalyst layer, a polymer electrolyte membrane, and a sub-gasket. In particular, the method provides a way to join the gas diffusion layer with the sub-gasket without hot-pressing the them together by forming a groove at a junction portion of the gas diffusion layer and the sub-gasket and inserting a stopper into this groove which is made of a material which hardens after being formed. | 06-07-2012 |
20120156591 | METHOD OF FABRICATION OF FUEL CELL - A method of fabrication of a fuel cell includes depositing an anode catalyst on a first carbon support by a metal organic vapor deposition, depositing a cathode catalyst on a second carbon support by a metal organic vapor deposition method, fabricating an anode including the anode catalyst, fabricating the cathode including the cathode catalyst, and providing the anode and the cathode on opposite sides of a membrane of the fuel cell. Another method includes providing first carbon support on anode side of membrane and providing second carbon support on a cathode side of the membrane. The method further includes depositing an anode catalyst on the first carbon support by a metal organic vapor deposition and depositing a cathode catalyst on the second carbon support by a metal organic vapor deposition and providing gas diffusion layer on each of the anode side and the cathode side of the membrane. | 06-21-2012 |
20120208108 | Graphite Particle-Supported Pt-Shell/Ni-Core Nanoparticle Electrocatalyst for Oxygen Reduction Reaction - A method for forming an electrocatalyst for fuel cell applications comprises electrolessly depositing a first plurality of nickel particles onto carbon-support particles. The nickel particles are formed from a nickel ion-containing aqueous solution. At least a portion of the nickel particles are replaced with platinum via a galvanic displacement reaction to form a second plurality of nickel particles coated with a platinum layer. During this displacement reaction step, the nickel particles are heated to a temperature sufficient to form the platinum layer. Finally, the second plurality of nickel particles is optionally incorporated into a cathode layer of a fuel cell. | 08-16-2012 |
20120315571 | METHOD FOR PRODUCING CATALYST-COATED MEMBRANE - According to a method for producing a catalyst-coated membrane in the present invention, in order to prevent a polymer electrolyte membrane | 12-13-2012 |
20120328972 | CONSTRUCTION OF PLANAR RECHARGEABLE OXIDE-ION BATTERY CELLS AND STACKS USING STAINLESS STEEL HOUSING STRUCTURES - This present invention describes the processing steps for constructing a rechargeable oxide-ion battery (ROB) cell using a cell membrane assembly | 12-27-2012 |
20130045438 | PRODUCING METHOD OF FUEL CELL MEMBRANE ELECTRODE ASSEMBLY AND PRODUCING APPARATUS OF THE SAME - The present invention provides a producing method of a fuel cell membrane electrode assembly and a producing apparatus of the same, without generating wrinkles on a solid polymer electrolyte membrane or misalignment of electrode catalyst layers opposite to each other. A producing method of a fuel cell membrane electrode assembly, the producing method comprising the steps of: arranging a pair of base materials | 02-21-2013 |
20130071772 | INTEGRALLY MOLDED GASKET FOR A FUEL CELL ASSEMBLY - A fuel cell membrane electrode assembly (MEA) comprising first and second gas diffusion layers and an ion exchange membrane disposed between the diffusion layers. Each diffusion layer includes an inner surface facing the membrane, an outer surface opposite the inner surface, and a side surface defining a perimeter of the diffusion layers. An outboard region extends about the diffusion layers at the perimeter. The outboard region surrounds an inboard region. The outboard region has a low density region proximate to the side surface and a high density region between the low density region and the inboard portion. A seal is mounted at the low density region. The high density region prevents portions of the seal from entering the inboard region thereby damaging the MEA. The seal includes a first rim having a smaller radius than a second rim. The smaller radius allows the seal to fit between adjacent support plates and increases the durability of the seal. | 03-21-2013 |
20130078551 | METHOD FOR MANUFACTURING UNIT CELLS OF SOLID OXIDE FUEL CELL - A manufacturing method for a solid oxide fuel cell (SOFC) unit cell is disclosed. The manufacturing method may include manufacturing an Ni—CeScSZ anode layer; manufacturing a CeScSZ electrolyte layer; manufacturing a gadolinia-doped ceria (GDC) buffer layer; and manufacturing a lanthanum strontium cobalt ferrite (LSCF) cathode layer. Accordingly, an ohmic resistance of electrolyte and a polarization resistance may be reduced and high output may be obtained even at a middle low temperature. | 03-28-2013 |
20130130154 | Fuel Cell Interconnect Heat Treatment Method - Methods for fabricating an interconnect for a fuel cell stack include placing a compressed metal powder interconnect on a porous support, and sintering the interconnect in the presence of a non-oxidizing gas. The method may further include placing the sintered interconnect on a porous support, and oxidizing the interconnect in the presence of flowing air, or placing the sintered interconnect on a dense, non-porous support, and oxidizing the interconnect in the presence of a gas comprising pure oxygen or an oxygen/inert gas mixture that is substantially nitrogen-free. | 05-23-2013 |
20130130155 | THE REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK - A membrane-electrode assembly for a fuel cell includes an anode and a cathode facing each other and a polymer electrolyte membrane interposed therebetween. At least one of the anode and the cathode includes a conductive electrode substrate and a catalyst layer formed thereon, and the catalyst layer includes a first catalyst layer including a first metal catalyst that grows from the polymer electrolyte membrane toward the electrode substrate and a second catalyst layer including a second metal catalyst covering the first catalyst layer. | 05-23-2013 |
20130149635 | LAMINATED FUEL CELL ASSEMBLY - The disclosure, in some aspects, relates to a method and apparatus for assembling a laminated fuel cell, in which an assembly head comprising one or more punches is used for dividing portions from sheet material and for transferring the portions to an electrode plate for lamination. Embodiments disclosed include a method of assembling a laminated fuel cell, the method comprising the steps of: providing a first sheet material ( | 06-13-2013 |
20130157175 | METHOD FOR MANUFACTURING RESIN-FRAMED MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL - In a method for manufacturing a resin-framed membrane electrode assembly for a fuel cell, a membrane electrode assembly structure is held between a first framed diffusion layer and a second framed diffusion layer while the membrane electrode assembly structure is housed in a recess provided in at least one of a first resin frame component and a second resin frame component. The first resin frame component and the second resin frame component are joined to each other to integrate the first framed diffusion layer and the second framed diffusion layer. The first and second resin frame components are located outside an outer peripheral portion of the membrane electrode assembly structure. | 06-20-2013 |
20130183607 | METHANOL FUEL CELL CARTRIDGE - The present invention provides a cartridge for a methanol fuel cell at low cost, which does not show deterioration in electric power generation performance, can be operated for a long period of time, and can be reduced in size and weight. In the present invention, the cartridge for a methanol fuel cell has art inner resin layer containing a resin having such a property that, after a film of the resin is immersed in methanol at 60° C. for 7 days, the methanol is diluted twice in terms of a volume ratio with distilled water at room temperature to give a liquid, the liquid shows a light transmittance of 10% or higher at 300 nm. | 07-18-2013 |
20130196254 | MANUFACTURING METHOD OF MEMBRANE ELECTRODE ASSEMBLY - The invention provides an MEA in which a high level of interfacial adhesions are achieved between its PEM and catalyst layer so that the catalyst layer does not easily peel from the PEM and to provide a manufacturing method of the MEA and a fuel cell employing the MEA and having an excellent battery performance. In the manufacturing method of the MEA 4, since an adhesion layer and a catalyst layer are formed respectively by coating an ink which contains a solvent directly on their adjacent layer, polymer electrolytes in the adjacent layer present near the interface adhere while slightly dissolving. The fuel cell employing the MEA 4 has an excellent battery performance because the catalyst layer 3 is hardly stripped off the PEM 1. | 08-01-2013 |
20130202989 | COMBINED SUBGASKET AND MEMBRANE SUPPORT - A combined subgasket and membrane support for a fuel cell is provided. The combined subgasket and membrane support includes a substantially fluid impermeable feed region circumscribing a porous membrane support region. The membrane support region is integrally formed with the feed region. At least one of the membrane support region and the feed region is at least partially formed by a radiation-cured structure. A method for fabricating the subgasket and membrane support for the fuel cell is also provided. | 08-08-2013 |
20130252139 | METHOD FOR PRODUCING BIPOLAR PLATES - Disclosed herein is a method for producing bipolar plates. The method comprises providing an electrically conductive sheet and then cutting through the sheet to create at least one opening for a fluid in the sheet. | 09-26-2013 |
20130260287 | Partly Fluorinated Polyolefins by Ziegler-Natta Polymerization - A method of forming a polymer includes a step of polymerizing a compound having formula 1 with a Ziegler-Natta catalyst to form a polymer having formula 2: | 10-03-2013 |
20130266892 | METHOD FOR REDUCING FORMATION OF ELECTRICALLY RESISTIVE LAYER ON FERRITIC STAINLESS STEELS - A method of reducing the formation of electrically resistive scale on a an article comprising a silicon-containing ferritic stainless subjected to oxidizing conditions in service includes, prior to placing the article in service, subjecting the article to conditions under which silica, which includes silicon derived from the steel, forms on a surface of the steel. Optionally, at least a portion of the silica is removed from the surface to placing the article in service. A ferritic stainless steel alloy having a reduced tendency to form silica on at least a surface thereof also is provided. The steel includes a near-surface region that has been depleted of silicon relative to a remainder of the steel. | 10-10-2013 |
20130273461 | SYNTHESIS OF ELECTROCATALYSTS USING METAL-ORGANIC FRAMEWORK MATERIALS - Methods and compositions for use in the preparation of MOF-based non-PGM electrocatalysts including combining transition metal compounds with organic ligands and secondary building units to create a solid mixture, heating the solid mixture to form a MOF through a solid-state reaction, optionally heating the MOF to convert it to an electrocatalyst via pyrolysis, and optionally post-treating. The electrode catalysts may be used in various electrochemical systems, including a proton exchange membrane fuel cell. | 10-17-2013 |
20130273462 | METHOD OF MAKING A FUEL CELL DEVICE - A monolithic fuel cell device is provided by forming anode and cathode layers by dispensing paste of anode or cathode material around pluralities of spaced-apart removable physical structures to at least partially surround the structures with the anode or cathode material and then drying the paste. An electrolyte layer is provided in a multi-layer stack between the cathode layer and the anode layer thereby forming an active cell portion. The multi-layer stack is laminated, and then the physical structures are pulled out to reveal spaced-apart active passages formed through each of the anode layer and cathode layer. Finally, the laminated stack is sintered to form an active cell comprising the spaced apart active passages embedded in and supported by the sintered anode material and sintered cathode material. | 10-17-2013 |
20130295493 | METHOD FOR FORMING FUEL CELL FLUID FLOW FIELD PLATE - According to embodiments of the invention, a fuel cell fluid flow field plate is provided. The fuel cell fluid flow field plate includes a flexible substrate including a fluid distribution zone having at least one flow channel, a manifold penetrating the flexible substrate and next to the fluid distribution zone, an upward extending portion extending upward at a position near an interface between the manifold and the fluid distribution zone, wherein a bend angle is between the upward extending portion and the fluid distribution zone, and the upward extending portion has at least one through-hole penetrating through the flexible substrate to expose the manifold, and a cover extending portion linking with the upward extending portion and covering a portion of the fluid distribution zone. | 11-07-2013 |
20130302722 | GASKETED SUBASSEMBLY FOR USE IN FUEL CELLS INCLUDING REPLICATED STRUCTURES - The present invention is an electrochemical device subassembly that includes a membrane electrode assembly and a gasket. The membrane electrode assembly includes an electrolyte membrane having a first major surface, a second major surface opposite the first major surface, and a peripheral edge. The gasket is disposed adjacent the first major surface of the electrolyte membrane at the peripheral edge, and has a plurality of replicated structures that extend greater than about 250 micrometers from a surface of the gasket. | 11-14-2013 |
20130302723 | LOCAL HYDROPHILIC GAS DIFFUSION LAYER AND FUEL CELL STACK COMPRISING THE SAME - The present invention provides a local hydrophilic gas diffusion layer configured to enhance the water removal performance of a fuel cell For this purpose, the present invention provides a gas diffusion layer in which a region under each of a pair of lands, which receives a clamping pressure of the fuel cell stack, is subjected to local hydrophilic treatment by a simple process, thereby enhancing the water removal performance of the fuel cell stack. In particular, the local hydrophilic gas diffusion layer has a first region under each land of the separator which receives the clamping pressure; and a second region under the gas channel of the separator, wherein the first region is subjected to hydrophilic treatment. | 11-14-2013 |
20130309597 | METHOD FOR SOLID OXIDE FUEL CELL FABRICATION - A method of making a solid oxide fuel cell (SOFC) includes forming a first sublayer of a first electrode on a first side of a planar solid oxide electrolyte and drying the first sublayer of the first electrode. The method also includes forming a second sublayer of the first electrode on the dried first sublayer of the first electrode prior to firing the first sublayer of the first electrode, firing the first and second sublayers of the first electrode during the same first firing step, and forming a second electrode on a second side of the solid oxide electrolyte. | 11-21-2013 |
20130330659 | METHOD FOR PRODUCING FUEL CELL ELECTRODE CATALYST - A method for producing a fuel cell electrode catalyst, including a step (I) of bringing an aqueous solution of a transition metal compound (1) into contact with ammonia and/or ammonia water to generate a precipitate (A) containing an atom of the transition metal, a step (II) of mixing at least the precipitate (A), an organic compound (B), and a liquid medium (C) to obtain a catalyst precursor liquid, and a step (IV) of subjecting the solid in the catalyst precursor liquid to heat treatment at a temperature of 500 to 1200° C. to obtain an electrode catalyst; a portion or the entirety of the transition metal compound (1) being a compound containing a transition metal element of group 4 or group 5 of the periodic table; and the organic compound (B) being at least one selected from sugars and the like. | 12-12-2013 |
20140004448 | Methods of Refurbishing Components of a Fuel Cell Stack | 01-02-2014 |
20140011119 | METHOD OF MANUFACTURING FUEL CELL ANODE - Disclosed is a method of manufacturing an anode for a fuel cell. The method includes: synthesizing a fuel cell catalyst used to oxidize a fuel for the anode in an electrochemical manner; forming an electrode for the anode by use of the synthesized fuel cell catalyst; and synthesizing an electrolysis catalyst, which is used to electrolyze water, on the electrode as the electrolysis catalyst is loaded into the anode. By introducing the electrolysis catalyst on the fuel cell electrode that has already been formed, deformation of the structure of the electrode is minimized and performance of the electrode is improved. | 01-09-2014 |
20140045100 | Metal Air Battery Including a Composite Anode - Implementations and techniques for metal air batteries including a composite anode are generally disclosed. | 02-13-2014 |
20140045101 | FUEL CELL MODULE AND FUEL CELL STACK - A fuel cell stack and fuel cell modules that constitute such a fuel cell stack are provided, wherein adhesion of foreign materials to an electrolyte membrane of each fuel cell can be effectively prevented, and highly efficient maintenance is possible by replacing a fuel cell with degraded performance out of the fuel cell stack. A plurality of fuel cells | 02-13-2014 |
20140057198 | DEVICE AND METHOD FOR STACKING FUEL CELL STACK - Disclosed is a device and method for stacking a fuel cell stack, which enables automated accurate stacking of components constituting the fuel cell stack by using a phosphor coated thereon. Accordingly, when a membrane-electrode assembly (MEA), a separation plate, etc. are automatically stacked in sequence they are coated with phosphor at a predetermined position on each of the MEA, the separation plate, etc. A phosphor sensor is then positioned and configured to automatically determine whether or not the MEA and separator have been accurately stacked by detecting the presence of phosphor on the stacked MEA and separator plate respectively. | 02-27-2014 |
20140065518 | PROCESS FOR PRODUCING RECHARGEABLE ELECTROCHEMICAL METAL-OXYGEN CELLS - The invention relates to a process for producing a rechargeable electrochemical metal-oxygen cell, comprising at least one positive electrode, at least one negative metal-comprising electrode and at least one separator having two sides for separating the positive and negative electrodes, wherein, in one of the process steps, at least one side of the separator is coated with at least one material for forming one of the two electrodes (hereinafter referred to as electrode material) or at least one side of at least one of the two electrodes is coated with at least one material for forming the separator (hereinafter referred to as separator material) to form a separator-electrode assembly. | 03-06-2014 |
20140065519 | METHOD FOR FABRICATING A FUEL CELL INCLUDING A MEMBRANE-ELECTRODE ASSEMBLY - A method for fabricating a fuel cell includes fixedly attaching a reinforcement to a proton-exchange membrane and to an electrode placed against a first face of the proton-exchange membrane. The reinforcement has a median aperture through which an interior portion of the electrode is exposed. Fixedly attaching the reinforcement includes superimposing an inner edge of the reinforcement over a periphery of the electrode, and causing a projecting portion of the reinforcement to project the proton-exchange membrane so as to limit gas permeation into the proton-exchange membrane, and forming filigrees by a wet process in a gas diffusion layer, thereby forming a recess therein, and placing the gas diffusion layer so that the inner edge of the reinforcement extends into the recess in the gas diffusion layer. | 03-06-2014 |
20140093813 | METHOD AND APPARATUS FOR MANUFACTURING A FUEL CELL ELECTRODE - A method of manufacturing a fuel cell electrode includes stamping an electrode workpiece ( | 04-03-2014 |
20140106261 | Preparation of Hollow PT and PT-Alloy Catalysts - A method for preparing hollow platinum or platinum-alloy catalysts includes a step of forming a plurality of low-melting-point metal nanoparticles. A platinum or platinum-alloy coating is then deposited onto the low-melting-point metal nanoparticles to form platinum or platinum-alloy coated particles. The low-melting-point metal nanoparticles are then removed to form a plurality of hollow platinum or platinum-alloy particles. | 04-17-2014 |
20140113219 | METHOD FOR MAKING MEMBRANE ELECTRODE ASSEMBLY - The present invention relates to method for making a membrane electrode assembly. First, a carbon nanotube film is fabricated to act as a gas diffusion layer. Second, a catalyst layer is formed on the carbon nanotube film to obtain an electrode. Third, a proton exchange membrane is provided, and two electrodes are separately disposed on two opposite surfaces of the proton exchange membrane, thereby forming the membrane electrode assembly. | 04-24-2014 |
20140120458 | Direct Coated Membrane Electrode Assembly On External Reinforcement For Fuel Cells - Disclosed are methods for fabricating a reinforced membrane electrode assembly having one or more freestanding external reinforcement layers. The method comprises providing a freestanding external reinforcement layer, and depositing a catalyst solution and membrane solution onto at least a portion of the freestanding external reinforcement layer. | 05-01-2014 |
20140127610 | FUEL CELL FEED SYSTEMS - Fuel feed systems capable of providing substantially consistent flow of fuel to a fuel cell and also capable of tolerating varying pressures from a reservoir (also referred to as fuel supply or fuel cell cartridge) and the fuel cell while maintaining substantially consistent control flow to the fuel cell are disclosed. | 05-08-2014 |
20140178802 | Unique Pre-Form Design For Two-Step Forming Of Stainless Steel Fuel Cell Bipolar Plates - A bipolar plate used in a fuel cell and a method of making a bipolar plate. The sheet is made from a ferritic or austenitic stainless steel, and defines an undulated surface pattern such that the patterned sheet may be formed into the bipolar plate. In one configuration, a stamping or related metal forming tool operation will further deform the patterned sheet into the bipolar plate shape such that the wall thickness is substantially uniform throughout the surface. In this way, there is a substantial reduction in stretching/thinning/necking at an intersection between bends and side walls that define the undulations of the pattern. In one form, the pattern defines a repeating serpentine shape. In a particular embodiment, the bends may include surface modifications to reduce the effects of sheet-to-tool misalignment. | 06-26-2014 |
20140186749 | PLATED PHOTOPOLYMER BASED FUEL CELL - A fuel cell component includes a first fluid distribution layer, a second fluid distribution layer, a cap layer, a third fluid distribution layer, and a pair of fluid diffusion medium layers. The individual layers are polymeric, mechanically integrated, and formed from a radiation-sensitive material. The first fluid distribution layer, the second fluid distribution layer, the cap layer, the third fluid distribution layer, and the pair of fluid diffusion medium layers are coated with an electrically conductive material. A pair of the fuel cell components may be arranged in a stack with a membrane electrode assembly therebetween to form a fuel cell. | 07-03-2014 |
20140205933 | FUEL CELL AND A METHOD OF MANUFACTURING A FUEL CELL - A solid oxide fuel cell comprises a porous anode electrode, a dense non-porous electrolyte and a porous cathode electrode. The anode electrode comprises a first member and a plurality of parallel plate members extending from the first member. The cathode electrode comprises a second member and a plurality of parallel plate members extending from the second member. The plate members of the cathode electrode inter-digitate with the plate members of the anode electrode and the electrolyte fills the spaces between the first and second members and the parallel plate members of the anode electrode and the cathode electrode. | 07-24-2014 |
20140242497 | COMPOSITE SEPARATOR FOR POLYMER ELECTROLYTE MEMBRANE FUEL CELL AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a composite separator for a polymer electrolyte membrane fuel cell (PEMFC) and a method for manufacturing the same. The inventive method involves allowing graphite foil layers to be brought into direct contact with each other when graphite foils are stacked on both sides of a carbon fiber reinforced composite material prepreg, thereby improving electrical conductivity in the thickness direction of the separator. | 08-28-2014 |
20140255823 | FUEL CELL SUPPORT STRUCTURE AND METHOD OF ASSEMBLY/DISASSEMBLY THEREOF - A fuel cell installation includes a support structure and a cell stack assembly that is removably insertable into the support structure from an uninstalled position to an installed position during an installation procedure. The cell stack assembly includes a fitting. An interfacing structure is mounted on one of the support structure in the cell stack assembly. The interfacing structure carries a connector that is configured to receive the fitting in interconnected relationship. At least one of the fitting and the connector floats in a plane relative to the support structure during the installation procedure. In operation, the fitting engages the connector when the cell stack assembly is inserted into the support structure. The fitting is repositioned relative to the connector to ensure that the fitting and connector are aligned with one another and connected upon installation. | 09-11-2014 |
20140287347 | METHOD FOR FABRICATING A MEMBRANE-ELECTRODE ASSEMBLY - A method for fabricating a membrane-electrode assembly having a proton-exchange membrane includes supplying a proton-exchange membrane, depositing cathodic electrocatalytic ink on a first face of a first gas diffusion layer, assembling the proton-exchange membrane with the first gas diffusion layer, including securing the first face of the first gas diffusion layer with a first face of the proton-exchange membrane, depositing anodic electrocatalytic ink on a second face of the proton-exchange membrane, the second face being opposite the first face, and assembling the second gas diffusion layer with the membrane, including securing a second face thereof with a first face of the second gas diffusion layer. | 09-25-2014 |
20140287348 | METHOD FOR MANUFACTURING A UNIT CELL OF A SOLID OXIDE FUEL CELL - The present invention relates to a method for manufacturing unit cells of a solid oxide fuel cell through a process of attaching a fuel electrode reaction layer/electrolyte layer film assembly, manufactured using a tape casting method, onto a fuel electrode support (sintered body) which consists of the unit cells of the solid oxide fuel cell and which is manufactured using a tape casting method, a pressure method, a discharge plasma method, or the like. The method for manufacturing the unit cells of the solid oxide fuel cell comprises the steps of: forming a pre-sintered body of the fuel electrode support; manufacturing a fuel electrode reaction layer sheet; manufacturing an electrolyte layer sheet; manufacturing a film assembly by stacking, into layers, the fuel electrode reaction layer sheet and the electrolyte layer sheet; providing a binder to the pre-sintered body; combining the film assembly with the pre-sintered body provided with the binder; laminating the combined body of the pre-sintered body and the film assembly; co-sintering the laminated combined body; forming an air electrode layer on the electrolyte layer in the co-sintered body; and sintering the resultant structure. | 09-25-2014 |
20140295327 | RECHARGEABLE FUEL CELL - A device and method of forming a power generator includes a container, a fuel cell stack within the container, a metal hydride hydrogen producing fuel within the container, wherein the fuel cell stack is sandwiched between the container and an anode support surrounding the fuel and in close thermal contact with the fuel. The fuel cell stack has a cathode electrode for exposure to oxygen and an anode electrode for exposure to hydrogen. A cathode is electrically coupled to the cathode electrode of the fuel cell stack and supported by the container such that at least a portion of it is exposed on an outside of the container. An anode is electrically coupled to the anode electrode of the fuel cell stack and supported by the container such that at least a portion of it is exposed on the outside of the container spaced apart from the exposed cathode. | 10-02-2014 |
20140335443 | FUEL CELL COMPONENTS AND SYSTEMS HAVING CARBON-CONTAINING ELECTRICALLY-CONDUCTIVE HOLLOW FIBERS - A method, according to one embodiment, includes acquiring a structure having an ionically-conductive, electrically-resistive electrolyte/separator layer covering an inner or outer surface of a carbon-containing electrically-conductive hollow fiber and a catalyst along one side thereof, adding an anode that extends along at least part of a length of the structure, and adding a cathode that extends along at least part of the length of the structure, the cathode being on an opposite side of the hollow fiber as the anode. | 11-13-2014 |
20140335444 | FUEL CELL SEPARATOR WITH GASKET AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a fuel cell separator with a gasket manufactured by integrally forming a gasket on one side of a separator; independently injection molding a frame gasket on a frame such that a first airtight portion covers the entire surface of the frame to maintain the shape of the frame gasket and a second airtight portion projects upward and downward from both ends of the first airtight portion; and bringing the first airtight portion of the frame gasket into contact with the other side of the separator with the gasket formed on one side thereof. To create a fuel cell stack in certain embodiments, the invention stacks the second airtight portion of the frame gasket on another second airtight portion of an adjacent unit cell with a membrane-electrode assembly interposed therebetween. | 11-13-2014 |
20140342271 | Micromold Methods For Fabricating Perforated Substrates and for Preparing Solid Polymer Electrolyte Composite Membranes - In polymer electrolyte membrane (PEM) fuel cells and electrolyzes, attaining and maintaining high membrane conductivity and durability is crucial for performance and efficiency. The use of low equivalent weight (EW) perfluorinated ionomers is one of the few options available to improve membrane conductivity. However, excessive dimensional changes of low EW ionomers upon application of wet/dry or freeze/thaw cycles yield catastrophic losses in membrane integrity. Incorporation of ionomers within porous, dimensionally-stable perforated polymer electrolyte membrane substrates provides improved PEM performance and longevity. The present invention provides novel methods using micromolds to fabricate the perforated polymer electrolyte membrane substrates. These novel methods using micromolds create uniform and well-defined pore structures. In addition, these novel methods using micromolds described herein may be used in batch or continuous processing. | 11-20-2014 |
20140349217 | SINGLE CELL AND METHOD FOR PRODUCING SINGLE CELL, FUEL CELL AND METHOD FOR PRODUCING FUEL CELL - A single cell ensuring appropriate bonding of the components while suitably enhancing the productivity, a producing method of the single cell, a fuel cell, and a producing method of the fuel cell are provided. The single cell is formed by stacking a plurality of components constituting the single cell of a fuel cell, wherein peripheral portions of at least some components among the plurality of components are molded with a resin along the circumferential direction to be molded integrally. The components to be molded are a MEA and a pair of separators sandwiching the MEA. | 11-27-2014 |
20150030969 | FUEL CELL ELECTRODE AND METHOD FOR MANUFACTURING MEMBRANE-ELECTRODE ASSEMBLY USING THE SAME - The present invention provides a fuel cell electrode, and a method for manufacturing a membrane-electrode assembly (MEA) using the same. The fuel cell electrode is formed by adding carbon nanotubes to reinforce the mechanical strength of the electrode, cerium-zirconium oxide particles to prevent corrosion of a polymer electrolyte membrane, and an alloy catalyst prepared by alloying a second metal (such as Ir, Pd, Cu, Co, Cr, Ni, Mn, Mo, Au, Ag, V, etc.) with platinum to prevent the dissolution, migration, and agglomeration of platinum. | 01-29-2015 |
20150064609 | IONOMERS WITH IONIC GROUPS IN THE SIDE CHAIN - Ionomers and ionomer membranes, consisting of a non-fluorinated or partly fluorinated non-, partly or fully-aromatic main chain and a non- or partly-fluorinated side chain with ionic groups or their non-ionic precursors, have a positive impact on the proton conductivity of the ionomers. Various processes produce these polymeric proton conductors. | 03-05-2015 |
20150064610 | FUEL CELL MEMBRANE-ELECTRODE ASSEMBLY AND PRODUCTION METHOD THEREFOR - A production method for a fuel cell membrane-electrode assembly which may include the steps of preparing a catalyst ink that contains a metal catalyst nanoparticle of 0.3 nm to 100 nm in primary particle diameter which is not supported on a support, an electrolyte resin, and a water-based solvent and forming a non-supported-catalyst containing catalyst layer by using the catalyst ink, as a catalyst layer that is included in at least one of a fuel electrode side and an oxidant electrode side in the fuel cell membrane-electrode assembly that has a fuel electrode at one surface side of an electrolyte membrane, and an oxidant electrode at another surface side of the electrolyte membrane. | 03-05-2015 |
20150099215 | FUEL CELL STACK WITH ENHANCED FREEZE-THAW DURABILITY - The present invention provides a fuel cell stack with enhanced freeze-thaw durability. In particular, the fuel cell stack includes a gas diffusion layer between a membrane-electrode assembly and a bipolar plate. The gas diffusion layer has a structure that reduces contact resistance in a fuel cell and is cut at a certain angle such that the machine direction (high stiffness direction) of GDL roll is not in parallel with the major flow field direction of the bipolar plate, resulting in an increased GDL stiffness in a width direction perpendicular to a major flow field direction of a bipolar plate. | 04-09-2015 |
20150111133 | METHOD FOR PRODUCING A STORAGE STRUCTURE OF AN ELECTRICAL ENERGY STORAGE CELL - A method for producing a storage structure of an electrical metal-air energy storage cell is provided, having an active storage material and an inert material, the method including the following steps: producing a porous green body, which includes the active storage material, infiltration of the porous green body with an infiltration medium, which contains the inert material, and heat treatment of the infiltrated green body to produce an inert enveloping structure, which at least partially envelops grains of the active storage material. | 04-23-2015 |
20150295268 | FUEL CELL STACK MANUFACTURING METHOD - A fuel cell stack manufacturing method includes: a step of disposing a fuel cell stack so as to be sandwiched between a first fastening member and a second fastening member; a step of temporarily fastening the fuel cell stack by inserting a jig into a hole-form first connecting portion formed on each end portion of the first fastening member and a second connecting portion formed on each end portion of the second fastening member while applying pressure to the fuel cell stack at a predetermined load; a step of performing aging processing on the temporarily fastened fuel cell stack in order to advance creep deformation of the fuel cell stack; and a step of inserting a pin into the first connecting portion and the second connecting portion while reapplying the pressure. | 10-15-2015 |
20150340711 | FLOW FIELD PLATES IN FUEL CELLS - A method of producing a flow field plate for a fuel cell comprises over-profiling relief features in a die set to more accurately reproduce the intended flow channel features in the pressed plate. The process includes determining a target relief profile of features extending across the plate along at least a first dimension of the plate, modulating the relief profile with an over-profiling parameter, as a function of the first dimension; forming a die with the modulated relief profile; and pressing a flow field plate using the die with modulated relief profile to thereby produce the unmodulated, target relief profile in the flow field plate. | 11-26-2015 |
20160036068 | PRINTED MULTI-FUNCTION SEALS FOR FUEL CELLS - A method for forming seals in a fuel cell stack includes a step of screen printing a first sealing layer on a first flow field plate. The first sealing layer defines a first pattern and has a first predetermined sealing layer thickness. A multilayer seal is formed by screen printing a second sealing layer over the first sealing layer. The second sealing layer defines a second pattern and has a second predetermined sealing layer thickness. A third sealing layer is screen printed over a first side of a second flow field plate and has a third predetermined sealing layer thickness. A fourth sealing layer is screen printed over a second side of the second flow field plate having a fourth predetermined sealing layer thickness. The first flow field plate and the second flow field plate are combined to form flow channels for guiding reactants a fuel cell catalyst layers. | 02-04-2016 |
20160049670 | MANUFACTURING METHOD OF FUEL CELL MODULE AND MANUFACTURING METHOD OF FUEL CELL - A manufacturing method of a fuel cell module includes: forming an outer divided body having a frame shape and formed from an uncrosslinked item of solid rubber having adhesiveness in a seal member arrangement portion of a separator to produce an outer temporary assembly, and forming an inner divided body having a frame shape and formed from an uncrosslinked item of solid rubber in a peripheral edge portion of an electrode member to produce an inner temporary assembly; fitting the inner temporary assembly into a frame of the outer temporary assembly to produce a cell assembly temporary assembly; arranging a cell assembly stack, in which a plurality of the cell assembly temporary assemblies are stacked, in a forming die; and pressurizing and heating the forming die to crosslink the uncrosslinked item | 02-18-2016 |
20160056478 | DIE CLEARANCE CONTROL FOR THIN SHEET STAINLESS STEEL BPP FORMING - A bipolar plate used in a fuel cell and a method of making a bipolar plate. The sheet is made generally from a stainless steel, and in a more preferable form from a ferritic stainless steel. In one configuration, a stamping or related metal forming tool operation will introduce a negative clearance as a way to move or otherwise reallocate a portion of the material making up the sheet into other portions as a way to reduce stretching, necking, thinning and related thickness deviations associated with the bends formed in the bipolar plate. | 02-25-2016 |
20160072135 | APPARATUS AND METHOD FOR PRODUCING FUEL CELL SEPARATOR ASSEMBLY - A manufacturing method for manufacturing a fuel cell separator assembly includes a joining step for bringing opposing projections of uneven portions of separators into contact with each other through use of pressing members to join the projections through use of a welding robot. In the joining step, an elastic member is interposed between the pressing members and at least one of first and second separators so that a pressing force from the pressing members is imparted to the first and second separators. In this way, the opposing projections are brought into contact with each other by elastic deformation of the elastic member. | 03-10-2016 |
20160072137 | METHOD FOR PRODUCING A SOLDER GLASS GREEN SEAL - A method for producing a glass solder green seal, wherein a paste comprising a glass solder powder is applied to the surface of a screen, which on the bottom side and in the screen mesh comprises regions having a coating impermeable to the paste, and the paste is pushed through the screen onto a substrate and subsequently dried, wherein printing is carried out onto an intermediate carrier serving as the substrate, from which the dried glass solder green seal can be completely detached. | 03-10-2016 |
20160072147 | ELECTRICAL CONNECTION MATERIAL FOR SOLID OXIDE FUEL CELL, SOLID OXIDE FUEL CELL, SOLID OXIDE FUEL CELL MODULE, AND METHOD FOR MANUFACTURING SOLID OXIDE FUEL CELL - A method for manufacturing solid oxide fuel cells, which includes preparing an electrical connection material, preparing a stacked body by stacking a plurality of power generation cells with the electrical connection material interposed therebetween, and firing the stacked body while applying pressure on the stacked body in a direction of stacking the power generation cells. The electrical connection material includes a ceramic porous layer and a ceramic dense layer stacked on the ceramic porous layer, the ceramic dense layer having a porosity lower than a porosity of the ceramic porous layer. | 03-10-2016 |
20160079611 | METHOD AND APPARATUS FOR MANUFACTURING SEPARATOR FOR FUEL CELL - A method for manufacturing a separator assembly includes a preparation step for preparing a first separator, a second separator, and an elastic member; a first placement step for positioning the elastic member and placing the same on a placement surface; a second placement step for positioning the first separator in relation to the elastic member, and placing the first separator so as to overlap the elastic member; and a joining step for joining the elastic member and first separator which have been positioned and made to overlap. In the second placement step, the first separator is made to overlap the elastic member while first positioning members for positioning the elastic member are made to retract into the placement surface. | 03-17-2016 |
20160087298 | METHOD FOR TESTING FEEDING FUEL CELL STACK AND APPARATUS FOR PRODUCING FUEL CELL STACK USING THE SAME - A producing method of a fuel cell stack includes a transfer robot configured to clamp and to transfer a membrane electrode assembly (MEA) and a gas diffusion layer (GDL) component. A feeding testing unit is configured to check a stacked status of the MEA and the GDL component while the MEA and the GDL component are transferred and stacked by the transfer robot. A control unit is configured to receive a signal of the feeding test unit and to transmit an error signal when it is determined that the MEA and the GDL component are erroneously stacked. | 03-24-2016 |
20160087299 | PROCESS FOR THE MANUFACTURE OF MEMBRANE ELECTRODE UNITS - A process for manufacturing membrane electrode units (MEU) for fuel cell is disclosed, said MEU have two electrochemically active electrodes which are separated by a polymer electrolyte membrane. | 03-24-2016 |
20160093900 | FUEL CELL AND METHOD FOR THE PRODUCTION THEREOF - A fuel cell ( | 03-31-2016 |
20160104895 | TEMPLATED NON-CARBON METAL OXIDE CATALYST SUPPORT - Non-corrosive, non-carbon metal oxide support particles are formed with pre-shaped, templated vacancies. Electrocatalysts, membrane electrode assemblies and fuel cells can be produced with the templated non-corrosive, non-carbon metal oxide support particles. | 04-14-2016 |
20160104909 | METHOD OF MANUFACTURING UNIT FUEL CELL - A method of manufacturing a unit fuel cell includes a step of forming an adhesive layer having ultraviolet curability and heat curability on an outer peripheral edge portion of a side surface of a membrane electrode assembly, a step of disposing a support frame so that an inner peripheral edge portion of the support frame which supports the membrane electrode assembly at an outer periphery of the membrane electrode assembly is disposed on an outer portion of the adhesive layer, and a step of disposing a second gas diffusion layer on the side surface of the membrane electrode assembly so that an outer peripheral edge portion of the second gas diffusion layer is disposed on an inner portion of the adhesive layer, and a step of integrating the membrane electrode assembly, the second gas diffusion layer and the support frame by curing the adhesive layer. | 04-14-2016 |
20160116541 | FUEL CELL INSPECTION METHOD AND MANUFACTURING METHOD - An inspection method for inspecting a fuel cell, comprising: rising current density at a speed of a designated speed or greater, and judging whether the fuel cell is normal or abnormal by comparing a first voltage value that is the voltage value when the current density reaches a designated current density or greater with the rising step, and a second voltage value which is a judgment standard. | 04-28-2016 |
20160118674 | SEAL COMPOSITIONS, METHODS, AND STRUCTURES FOR PLANAR SOLID OXIDE FUEL CELLS - A seal composition includes a first alkaline earth metal oxide, a second alkaline earth metal oxide which is different from the first alkaline earth metal oxide, aluminum oxide, and silica in an amount such that molar percent of silica in the composition is at least five molar percent greater than two times a combined molar percent of the first alkaline earth metal oxide and the second alkaline earth metal oxide. The composition is substantially free of boron oxide and phosphorus oxide. The seal composition forms a glass ceramic seal which includes silica containing glass cores located in a crystalline matrix comprising barium aluminosilicate, and calcium aluminosilicate crystals located in the glass cores. | 04-28-2016 |
20160133946 | METHOD OF MANUFACTURING MEMBRANE ELECTRODE ASSEMBLY - The method of manufacturing a membrane electrode assembly that has an electrode catalyst layer formed on a surface of an electrolyte membrane comprises (a) producing an electrode catalyst layer by drying a catalyst ink that includes catalyst-supported particles having a catalyst metal supported thereon, a solvent and an ionomer; and (b) selecting a produced electrode catalyst layer that contains an amount of sulfate ion equal to or less than a specified reference value, and manufacturing the membrane electrode assembly by using the selected electrode catalyst layer. | 05-12-2016 |
20160133976 | METHOD OF MANUFACTURING A CELL UNIT OF A FUEL CELL - A method of manufacturing a cell unit of a fuel cell, including: a) forming an assembly including an electrolyte membrane, an anode catalyst layer coated with a gas diffusion electrode on the side of a surface of the membrane, a cathode catalyst layer coated with a second gas diffusion electrode on the side of the other surface of the membrane, a first reinforcement frame at least partly extending between the membrane and the first electrode, and a second reinforcement frame at least partly extending between the membrane and the second electrode; b) fastening the first and second frames on either side of the membrane; and c) performing a local welding of at least one of the first and second frames to the membrane. | 05-12-2016 |
20160141642 | FUEL CELL SUBASSEMBLIES INCORPORATING SUBGASKETED THRIFTED MEMBRANES - An automated roll to roll method of making a fuel cell roll good subassembly is described wherein an elongated first subgasket web having a plurality of apertures is moved relative to a plurality of individual electrolyte membranes, each individual electrolyte membrane having a center region. The individual electrolyte membranes are aligned with the first subgasket web so that a center region of each electrolyte membrane is aligned with an aperture of the first subgasket web and the individual electrolyte membranes are attached to the first subgasket web. | 05-19-2016 |
20160141702 | METHOD OF MANUFACTURING FUEL CELL CASE - To reduce a manufacturing cost on anodization in an aluminum-type fuel cell case, a method of manufacturing a fuel cell case made of one of aluminum and aluminum alloy and for accommodating a fuel cell is provided, which includes forming, in a fuel cell case, through-holes for receiving pins when the fuel cell case is mounted on a vehicle, and forming alumite on a surface of the fuel cell case by anodizing the surface using the through-hole as a contact. | 05-19-2016 |
20160149226 | METHOD OF MANUFACTURING FUEL CELL - A method of manufacturing a fuel cell which enables organic matter of both an anode thereof and a cathode thereof to be removed efficiently is provided. A method of manufacturing a fuel cell, comprising a preparation step of preparing a fuel cell comprising a stack of a plurality of unit cells, each including polymer electrolyte and a catalyst layer, and a removal step of removing organic matter from the fuel cell, is provided. This removal step comprises: a first step of maintaining a voltage of the fuel cell at 0 V so as to desorb organic matter from the catalyst layer; a second step of raising a temperature inside the fuel cell so as to evaporate the desorbed organic matter; and a third step of exhausting the evaporated organic matter from the fuel cell. | 05-26-2016 |
20160149279 | POWER STORAGE DEVICE AND METHOD OF MANUFACTURING POWER STORAGE DEVICE - A structure and a method of manufacturing a power storage device with high energy density are provided. An air electrode includes a first current collector; a second current collector having a projecting structure, in contact with the first current collector; and a catalyst layer having 1 to 100 graphene films. Accordingly, the surface area of the air electrode can be significantly large due to an effect of the second current collector, and further, the graphene film can produce a catalytic reaction without using a catalyst such as a noble metal; thus, by employing a structure in which the catalyst layer is provided on the second current collector, the energy density of the power storage device can be improved. | 05-26-2016 |
20160164116 | Method for Producing a Fuel Cell and a Fuel Cell System - A method is provided for producing a fuel cell, which method includes the arrangement of in each case one gas diffusion layer with in each case one bipolar plate on a respective side of a membrane electrode arrangement which comprises an anode, a cathode and an electrolyte membrane arranged between the anode and the cathode. The gas diffusion layers are set back in relation to the bipolar plates and the membrane electrode arrangement. The gas diffusion layers have in each case at least one reaction fluid supply region and in each case at least one reaction fluid discharge region and in each case at least one reaction fluid sealing region. The method is characterized by injecting a sealing material into at least one reaction fluid sealing region of at least one gas diffusion layer such that the gas diffusion layer is sealed off to the outside. | 06-09-2016 |
20160164130 | ACTIVATION APPARATUS OF FUEL CELL STACK - An activation apparatus of fuel cell stacks, which automatically performs activation and performance evaluation processes on the fuel cell stacks when the fuel cell stacks have entered a frame, includes i) a connector connection assembly configured to connect a plurality of connector probes to cell terminals of the fuel cell stack, ii) an output cable connection assembly configured to connect positive (+) output cables to the first side of the fuel cell stack, and iii) a fluid supply pipe connection assembly configured to connect negative (−) output cables to the second side of the fuel cell stack and to connect a fluid supply pipe to the manifold of the fuel cell stack. | 06-09-2016 |
20160164131 | ACTIVATION APPARATUS OF FUEL CELL STACK FOR PERFORMING AUTOMATIC ACTIVATION AND PERFORMANCE EVALUATION - An activation apparatus of a fuel cell stack includes an output cable connecting unit mounted on the frame and connecting a positive output cable of an electric load system to a positive output terminal at one side of the fuel cell stack. A fluid supply pipe connecting unit is mounted on the frame to reciprocate forward and backward with respect to another side of the fuel cell stack. The fluid supply pipe connecting unit connects a negative output cable of the electric load system to a negative output terminal at the other side of the fuel cell stack and connects a fluid supply pipe of a fluid supply system to a manifold of the fuel cell stack. | 06-09-2016 |
20160380272 | METHOD OF FABRICATING A SOLID OXIDE FUEL CELL - Disclosed are a solid oxide fuel cell, a method of fabricating the same, and a tape casting apparatus for fabricating an anode. The method of fabricating the solid oxide fuel cell includes fabricating an electrolyte film sheet, a functional layer sheet, a support layer sheet, and a catalyst active layer sheet; forming a stack by sequentially stacking the electrolyte film sheet, the functional layer sheet, the support layer sheet, and the catalyst active layer sheet; fabricating an anode including the electrolyte film, the functional layer, the support layer, and the catalyst active layer by sintering the stack; and forming a cathode on the electrolyte film sheet. A catalyst content within the catalyst active layer sheet is gradually changed in a predetermined direction. | 12-29-2016 |
20160380278 | METHOD FOR MANUFACTURING A MEMBRANE/ELECTRODE ASSEMBLY COMPRISING REINFORCEMENTS - The invention relates to a method for manufacturing a membrane/electrode assembly, including the steps of: providing a proton exchange membrane comprising a first electrode and a second electrode; placing a first reinforcement with an overlapping portion vertically adjacent to the periphery of the membrane, and with an extension portion made of a polymer material extending laterally beyond the membrane; placing a second reinforcement with an overlapping portion that is vertically adjacent to the periphery of the membrane, and with an extension portion of said second reinforcement extending laterally beyond the membrane and being vertically adjacent to the extension portion of the first reinforcement; applying a laser beam to the vertically adjacent extension portions such as to define an opening through the extension portions and such as to weld the extension portions. | 12-29-2016 |
20170237077 | METHOD OF MAKING A FUEL CELL COMPONENT | 08-17-2017 |
20170237103 | METHOD FOR MANUFACTURING SOLID OXIDE FUEL CELL | 08-17-2017 |
20190148693 | METHOD FOR MANUFACTURING SEPARATOR FOR FUEL CELL | 05-16-2019 |