| Patent application number | Description | Published |
|---|
| 20080233447 | Fuel Cell and Fuel Cell Stack Comprising the Same - Even when a reaction gas flows into a gap formed between a gasket and a membrane electrode assembly, the flowing of the reaction gas to the outside without flowing through an electrode is prevented and thus a decrease in power generation efficiency is prevented. In order to allow the water vapor contained in the reaction gas that flows into an anode-side gap | 09-25-2008 |
| 20080274387 | Method for Producing Gas Diffusion Electrode and Method for Producing Polymer Electrolyte Fuel Cell, and Gas Diffusion Electrode and Polymer Electrolyte Fuel Cell - The present invention provides a gas diffusion electrode capable of sufficiently preventing not only degradation of MEA during storage but also degradation of initial characteristics and durability during the time period from production to initial use, and a polymer electrolyte fuel cell including the gas diffusion electrode. The gas diffusion electrode includes a catalyst layer in which A | 11-06-2008 |
| 20080318103 | Fuel Cell System - Provided is a fuel cell system including a polymer electrolyte fuel cell with improved durability, which is capable of suppressing a phenomenon in which a polymer electrolyte membrane is decomposed and degraded. In the fuel cell system including the polymer electrolyte fuel cell including: a membrane electrode assembly including a polymer electrolyte membrane with hydrogen ion conductivity, and a fuel electrode and an oxidant electrode sandwiching the polymer electrolyte membrane; a first separator plate for supplying and discharging a fuel gas to and from the fuel electrode; and a second separator plate for supplying and discharging an oxidant gas to and from the fuel electrode, a metal ion supplying means for supplying metal ions, which are stable in an aqueous solution, to the inside of the membrane electrode assembly in an amount equivalent to 1.0 to 40.0% of the ion exchange group capacity of the polymer electrolyte membrane is disposed. | 12-25-2008 |
| 20090011322 | Catalyst-Coated Membrane, Membrane-Electrode Assembly and Polymer Electrolyte Fuel Cell - A catalyst-coated membrane includes: a first catalyst layer ( | 01-08-2009 |
| 20090123788 | FUEL CELL SYSTEM AND OPERATION METHOD THEREOF - The present invention includes a fuel cell ( | 05-14-2009 |
| 20090202882 | POLYMER ELECTROLYTE FUEL CELL AND FUEL CELL SYSTEM INCLUDING THE SAME - A polymer electrolyte fuel cell includes a cell stack ( | 08-13-2009 |
| 20100062304 | MEMBRANE MEMBRANE-REINFORCEMENT-MEMBER ASSEMBLY, MEMBRANE CATALYST-LAYER ASSEMBLY, MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL - A membrane membrane-reinforcement-member assembly, membrane catalyst-layer assembly, membrane electrode assembly, and polymer electrolyte fuel cell are provided, which are so configured as to ensure sufficient durability and a cost reduction in unit cells and be suited for mass production. To this end, a membrane membrane-reinforcement-member assembly ( | 03-11-2010 |
| 20100068588 | MEMBRANE-MEMBRANE REINFORCING MEMBRANE ASSEMBLY, MEMBRANE-CATALYST LAYER ASSEMBLY, MEMBRANE-ELECTRODE ASSEMBLY, AND POLYMER ELECTROLYTE FUEL CELL - A membrane-membrane reinforcing member assembly includes: a polymer electrolyte membrane ( | 03-18-2010 |
| 20100075187 | MEMBRANE-MEMBRANE REINFORCING MEMBER ASSEMBLY, MEMBRANE-CATALYST LAYER ASSEMBLY, MEMBRANE-ELECTRODE ASSEMBLY, AND POLYMER ELECTROLYTE FUEL CELL - A membrane-membrane reinforcing member assembly includes: a polymer electrolyte membrane ( | 03-25-2010 |
| 20100086819 | POLYMER ELECTROLYTE FUEL CELL AND FUEL CELL STACK INCLUDING THE SAME - A polymer electrolyte fuel cell includes: a membrane-electrode assembly ( | 04-08-2010 |
| 20100104908 | FUEL CELL SYSTEM AND OPERATING METHOD THEREOF - In order to provide a fuel cell system (which ensures high proton conductivity and high energy conversion efficiency and, in addition, copes with an operating mode of the startup/shutdown type and which has excellent durability capable of effectively preventing a polymer electrolyte membrane from deterioration) and an operating method of such a fuel cell system, a fuel cell system ( | 04-29-2010 |
| 20100104913 | MEMBRANE-MEMBRANE REINFORCING MEMBER ASSEMBLY, MEMBRANE-CATALYST LAYER ASSEMBLY, MEMBRANE-ELECTRODE ASSEMBLY, POLYMER ELECTROLYTE FUEL CELL, AND METHOD FOR MANUFACTURING MEMBRANE-ELECTRODE ASSEMBLY - A membrane-membrane reinforcing member assembly includes: a polymer electrolyte membrane ( | 04-29-2010 |
| 20100104923 | FUEL CELL SEPARATOR AND FUEL CELL COMPRISING THE SAME - The invention provides a fuel cell separator wherein a first reaction gas channel | 04-29-2010 |
| 20100167146 | FUEL CELL SYSTEM AND METHOD OF OPERATING FUEL CELL SYSTEM - Provided is a fuel cell system which is capable of well preventing deterioration of performance of a fuel cell stack or well restoring deteriorated performance of the fuel cell stack and of suppressing deterioration of durability of the fuel cell stack, and a method of operating the fuel cell system. In a fuel cell system of the present invention including a fuel cell stack | 07-01-2010 |
| 20100173220 | POLYMER ELECTROLYTE FUEL CELL - A polymer electrolyte fuel cell of the present invention comprises an electrolyte layer-electrode assembly ( | 07-08-2010 |
| 20100209801 | FUEL CELL AND FUEL CELL STACK COMPRISING THE SAME - A fuel cell of the present disclosure includes an electrolyte-layer-electrode assembly, a first separator, a second separator, and one or more gas permeation suppressing sections, the inner surface of the first separator and the inner surface of the second separator have a first region and a second region, the gas permeation suppressing section is provided at least one of a first reactant gas channel and a second reactant gas channel so as to overlap with the first region when viewed in a thickness direction of the first separator, and the gas permeation suppressing section is provided at least one of the first reactant gas channel and the second reactant gas channel so as to overlap with the second region when viewed in the thickness direction of the first separator. | 08-19-2010 |
| 20100209807 | FUEL CELL, MEMBRANE-ELECTRODE ASSEMBLY, AND MEMBRANE-CATALYST LAYER ASSEMBLY - A fuel cell of the present invention includes a membrane-electrode assembly ( | 08-19-2010 |
| 20100221620 | FUEL CELL SYSTEM AND OPERATION METHOD THEREOF - A fuel cell system ( | 09-02-2010 |
| 20100227257 | FUEL CELL SEPARATOR AND FUEL CELL INCLUDING SAME - A separator for use in a fuel cell of the present disclosure includes: a plate; a first gas manifold hole ( | 09-09-2010 |
| 20100233554 | FUEL CELL SYSTEM AND OPERATING METHOD THEREOF - A fuel cell system of the present invention includes: a polymer electrolyte fuel cell ( | 09-16-2010 |
| 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 |
| 20100273077 | FUEL CELL, FUEL CELL SYSTEM, AND METHOD FOR OPERATING FUEL CELL - A fuel cell of the present invention includes cell blocks ( | 10-28-2010 |
| 20100316916 | POLYMER ELECTROLYTE FUEL CELL SYSTEM - A polymer electrolyte fuel cell system of the present invention comprises cells | 12-16-2010 |
| 20110027681 | PRESERVATION ASSEMBLY OF POLYMER ELECTROLYTE FUEL CELL STACK - A preservation assembly of a polymer electrolyte fuel cell stack is provided. The assembly includes an uninstalled polymer electrolyte fuel cell stack and sealing units. The uninstalled polymer electrolyte fuel cell stack is provided with an oxidizing agent passage having an inlet and an outlet and extending through a cathode and a reducing agent passage having an inlet and an outlet and extending through an anode. The sealing units include sealing plugs or containers and are configured to seal the inlet and the outlet of the oxidizing agent passage within which an oxygen concentration has been decreased and to seal the inlet and the outlet of the reducing agent passage within which the oxygen concentration has been decreased. The uninstalled polymer electrolyte fuel cell stack is in a state before an assembled polymer electrolyte fuel cell stack is incorporated into a fuel cell system. | 02-03-2011 |
| 20110033768 | FUEL CELL SEPARATOR AND FUEL CELL COMPRISING FUEL CELL SEPARATOR - A fuel cell separator of the present invention is a plate-shaped fuel cell separator including a reaction gas supply manifold hole | 02-10-2011 |
| 20110033775 | FUEL CELL SEPARATOR AND FUEL CELL COMPRISING FUEL CELL SEPARATOR - A fuel cell separator of the present invention is a plate-shaped fuel cell separator including a reaction gas supply manifold hole ( | 02-10-2011 |
| 20110076592 | MEMBRANE-ELECTRODE-ASSEMBLY AND FUEL CELL - The membrane-electrode-assembly of the present invention has a polymer electrolyte membrane, a pair of catalyst layers opposed to each other to interpose the polymer electrolyte membrane therebetween, and an anode gas diffusion layer and a cathode gas diffusion layer opposed to each other to interpose the polymer electrolyte membrane and the paired catalyst layers therebetween, wherein a porosity of the anode gas diffusion layer is 60% or less, a porosity of the cathode gas diffusion layer is larger than that of the anode gas diffusion layer, and the anode gas diffusion layer is made of a porous member mainly including conductive particles and a polymeric resin. In this manner, the power generating performance is further improved. | 03-31-2011 |
| 20110165493 | POLYMER ELECTROLYTE FUEL CELL AND FUEL CELL STACK COMPRISING THE SAME - A polymer electrolyte fuel cell of the present invention includes a membrane electrode assembly ( | 07-07-2011 |
