Patent application number | Description | Published |
20110053030 | Fuel Cell with Gas Diffusion Layer having Flow Channel and Manufacturing Method Thereof - Provided are a fuel cell with a porous gas diffusion layer having a flow channel and a method for manufacturing the same. A metal separator without a flow channel is used, but a flow channel for providing a reaction gas is formed in a gas diffusion layer made of a porous material. This improves precision of stack manufacturing and allows free design of the cooling part. | 03-03-2011 |
20110081587 | Apparatus for Detecting Leak in Fuel Cells - Provided is an apparatus for detecting leak in fuel cells. The apparatus includes: a detection gas intake unit connected to a detection gas storage; a supply unit supplying detection gas to supply manifolds of the fuel cells; a recovering unit connected to exhaust manifolds of the fuel cells; and a measuring unit measuring pressure of the detection gas supplied to the fuel cells, wherein in the fuel cells, a product and cooling fluid are exhausted through the exhaust manifolds after cathode/anode reaction gas and cooling fluid are supplied to the inside through the supply manifolds to generate an electrochemical reaction. Accordingly, presence of leak and leaked portions of the entire fuel cells are detected by using an inert detection gas. | 04-07-2011 |
20110236774 | System for Pre-Activation of Polymer Electrolyte Fuel Cell (PEFC) - An apparatus for pre-activation of a polymer electrolyte fuel cell includes a first plate and a second plate hot pressing the unit cell stack, each having a flow channel supplying water vapor to opposing inner surfaces with the unit cell stack therebetween and including a resistor producing heat, a compressor, a temperature controller and a water vapor supplier connected to the flow channels of the plates. The apparatus for pre-activating a polymer electrolyte fuel cell may be used to prepare a prep-activated integrated body of a polymer electrolyte fuel cell membrane electrode assembly and gas diffusion layers by performing hot pressing while supplying water vapor to the unit cell stack to hydrate the polymer electrolyte membrane. And the apparatus for pre-activating a polymer electrolyte fuel cell is used to monitor physical damage of the membrane electrode assembly based on the change of degree of vacuum at a fuel electrode side and an air electrode side using, thereby detecting the leaking membrane electrode assembly in advance. | 09-29-2011 |
20110271742 | Quality Control Apparatus for Gas Diffusion Layer for Fuel Cells - A quality control apparatus for a gas diffusion layer includes a support, at least one first pressure device, a plate provided below the first pressure device and supporting the pressure applied to the gas diffusion layer sample, a first controller controlling the compression of the first pressure device, a thickness gauge measuring the thickness of the gas diffusion layer sample, a flow channel formed in the sample compressing portion to discharge a gas to the gas diffusion layer sample, a gas supply controller, a gas supply source, a pressure gauge, two fixing devices, a third controller controlling the compression of the fixing devices, two second pressure, a second controller controlling the compression of the second pressure device, a stopper, a protrusion, and a load cell. | 11-10-2011 |
20130253080 | METHOD FOR PREPARING A SULFONATED POLYARYLENE ETHER SULFONE COPOLYMER FOR FUEL CELLS - The present disclosure relates to a method for preparing sulfonated polyarylene ether sulfone copolymer used in fabricating an electrolyte polymer membrane which is core material, the method comprising: A) mixing monomers, 4,4′-dihydroxydiphenyl; bis(4-chlorophenyl)sulfone or bis(4-fluorophenyl)sulfone; and 3,3′-disulfonated-4,4′-chlorodiphenyl sulfone with K | 09-26-2013 |
20130288157 | ANION EXCHANGE COMPOSITE MEMBRANE FILLED WITH CROSSLINKED POLYMER ELECTROLYTES FOR FUEL CELLS AND METHOD FOR PREPARING THE SAME - An anion exchange composite membrane is filled with crosslinked polymer electrolytes for fuel cells. A method comprises, (A) preparing anion exchange electrolyte precursor solution, said anion exchange electrolyte precursor solution consisting of a electrolyte monomer of tetravalent ammonium salt having a cation, a bisacrylamide crosslinker having tertiary amine functional group, an initiator and water; (B) impregnating a porous polymer supporter into said electrolyte precursor solution; (C) forming primary anion exchange crosslink polymer electrolyte micropore filling membrane by laminating said polymer supporter and crosslinking within a film; (D) deriving quanternary ammonium of said crosslinker having tertiary amine functional group by immersing said primary anion exchange crosslink polymer electrolyte micropore filling membrane in Vinylbenzyl chloride monomer solution; and (E) preparing composite membrane filled with crosslinked polymer electrolytes by crosslinking after said ammonium deriving is complete, said crosslinking being radical polymerizing vinyl group of said electrolyte micropore filling membrane. | 10-31-2013 |
20140236535 | APPARATUS AND METHOD FOR SOFTSENSING FUEL CELL SYSTEM - Provided are an apparatus and a method for soft-sensing a vehicle or stationary fuel cell system capable of predicting a quality variable based on a process variable and providing the predicted quality variable in real time. | 08-21-2014 |
20140315115 | ANION BINDER FOR SOLID ALKALINE FUEL CELL, METHOD OF PREPARING THE SAME AND MEMBRANE-ELECTRODE ASSEMBLY - The present invention concerns the preparation of an anion binder for a solid alkaline fuel cell which enhances durability to electrochemical reactions and makes the production of electrode slurry easy. A method of preparing an anion binder for a solid alkaline fuel cell includes: (A) mixing an electrolytic monomer of quaternary ammonium salts having a cation group, a bisacrylicamide crosslinking agent having a tertiary amino group, and water together by stirring; (B) mixing the mixture with a photoinitiator; (C) interposing the solution between polyethylene terephthalate films and irradiating the solution with ultraviolet light for crosslinking and polymerization; and (D) pulverizing crosslinked polymerized resin to a nano size. | 10-23-2014 |
20140315119 | HIGHLY CONDUCTIVE ANION-EXCHANGE COMPOSITE MEMBRANE WITH CROSSLINKED POLYMER ELECTROLYTE FOR ALKALINE FUEL CELL AND METHOD FOR PREPARING THE SAME - Disclosed are a new method for preparing a highly conductive anion-exchange composite membrane with a crosslinked polymer electrolyte for an alkaline fuel cell and a composite membrane prepared by the same. The method includes (A) mixing (vinylbenzyl)trimethylammonium chloride, 1,3,5-triacryloylhexahydro-1,3,5-triazine, and a mixed solution of deionized water and dimethyl formamide at a weight ratio of 1:1 together by stirring at a weight ratio of 60˜75:5˜16:20˜25; (B) mixing 100 parts by weight of the mixed solution with 0.5 to 2 parts by weight of a photoinitiator; (C) impregnating a porous polymer support with the solution so that a monomer solution soaks into the support; (D) interposing an electrolyte-impregnated membrane between polyethylene terephthalate (PET) films and irradiating the electrolyte-impregnated membrane with ultraviolet (UV) light having an energy of 30 to 150 mJ/cm | 10-23-2014 |