Patent application number | Description | Published |
20080261100 | Polymer electrolyte membrane and membrane electrode assembly - It is the objective to provide an electrolyte membrane with low cost, high ion conductivity, and low swelling. | 10-23-2008 |
20080318107 | Composite electrolyte membrane, production method thereof, membrane-electrode assembly, and fuel cell - A composite electrolyte membrane uses a metal-oxide hydrate which has a number of hydration water molecules of 2.7 or more and 10 or less and/or which is in the form of particles having a particle diameter of 1 nm or more and 10 nm or less. The composite electrolyte membrane exhibits its expected original performance, has both a high proton conductivity and a low methanol permeability, and provides a high-output membrane electrolyte assembly for a fuel cell. | 12-25-2008 |
20090233136 | MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL - The present invention provides a method of preventing liquid fuel that has penetrated from an anode from reaching a cathode and of effectively utilizing a cathode catalyst, which provides a membrane electrode assembly for fuel cell having high output density. In a membrane electrode assembly for fuel cell including an anode formed of a catalyst and a solid polymer electrolyte, a cathode formed of a catalyst and a solid polymer electrolyte, and a solid polymer electrolyte membrane formed between the anode and the cathode, an intermediate layer is formed between the cathode and the electrolyte membrane. | 09-17-2009 |
20100209813 | BLOCK COPOLYMER, AND POLYMER ELECTROLYTE, POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL USING SAME - A polymer electrolyte for a fuel cell is provided at low cost which has excellent mechanical characteristics, resistance to oxidation and high ion conductivity, and which hardly swells. | 08-19-2010 |
20100209814 | COMPOSITE CATALYST AND PRODUCING METHOD THEREOF - There is provided a composite catalyst in which metal particles having catalytic activity are supported at a high density on a surface of an inorganic oxide, and the supported metal particles are strongly fixed to the surface of the inorganic oxide to improve the durability of the composite catalyst. | 08-19-2010 |
20110076524 | Fuel Cell Power System and Operating Method Thereof - A fuel cell power system and an operating method thereof are proposed in which, the power generation performance of the fuel cell is effectively recovered in a short period of time without additionally requiring any reducing agent or an inactive gas and while minimizing the degradation of the catalyst in use. The fuel cell power system includes a fuel cell stack in which a plurality of cells each having a membrane electrode assembly and a separator are stacked and a secondary battery which can be charged by power generated by the fuel cell stack. The fuel cell power system can supply power from either the fuel cell stack or the secondary battery to an external device. The fuel cell power system is provided with a power generation cell connection/disconnection mechanism for individually connecting and disconnecting a conductor for electrical conduction between the anode and cathode of each cell included in the fuel cell stack which controlled by a control unit. | 03-31-2011 |
20110076591 | MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL - An object of the present invention is to provide a membrane electrode assembly for a fuel cell that influences less system efficiency of the fuel cell and reduces the amount of emission of hazardous materials for a long period of time. | 03-31-2011 |
20110123897 | MEMBRANE-ELECTRODE ASSEMBLY AND FUEL CELL USING THE SAME - In a membrane-electrode assembly comprising an anode, a cathode and a polymer electrolyte membrane and having a constitution in which the polymer electrolyte membrane is interleaved between the anode and the cathode, an agglomerate structure of carbon support formed with a plurality of carbon primary particles supporting catalyst particles is contained in the anode and the cathode, and particulate media having polymer electrolyte on the surface thereof are contained between adjacent agglomerate structures of carbon supports. | 05-26-2011 |
20110256468 | ELECTRODE CATALYST MATERIAL AND METHOD OF MANUFACTURING THE SAME - The invention provides an electrode catalyst material in which a resistance loss is reduced by enhancing an electric conductivity as a whole of an electrode catalyst as well as suppressing a corrosion and a disappearance by a catalyst metal in a conductive catalyst support so as to prevent a dropout and an aggregation of a catalyst metal particle, and a method of manufacturing the same. The electrode catalyst material in accordance with the present invention is an electrode catalyst material for a fuel cell having a catalyst metal particle and a carbon support supporting the catalyst metal particle, in which a carbon support protection layer including a metal element is formed in a coating manner on a surface of the carbon support, a silicone is included at 20 atomic % or more in the metal element contained in the carbon support protection layer, and the silicone exists in a state of an oxide and a carbide. | 10-20-2011 |
20120028166 | CATALYST MATERIAL AND METHOD OF MANUFACTURING THE SAME - It is an object to inhibit a corrosion and disappearance of carbon included in a catalyst carrier to enhance the durability of a fuel cell. | 02-02-2012 |
20120082919 | POLYMER ELECTROLYTE FUEL CELL - There is used a polymer electrolyte membrane containing a polymer segment (A) having an ion-conducting component, and a polymer segment (B) having a composition ratio of the ion-conducting component lower than that in the polymer segment (A), wherein the polymer segment (A) and the polymer segment (B) form a micro phase-separated structure, and inorganic particles | 04-05-2012 |
20120321950 | LITHIUM ION SECONDARY BATTERY - A lithium ion battery includes: a positive electrode capable of occluding and emitting lithium ions; a negative electrode that is capable of occluding and emitting lithium ions; a separator disposed between the positive electrode and the negative electrode; and an electrolytic solution. The negative electrode of the lithium ion battery is coated with a lithium ion conductive polymer. The lithium ion battery maintains high-temperature storage characteristics at temperatures of 50° C. or more and output characteristics at room temperature of the lithium ion battery are improved. | 12-20-2012 |
20130059202 | POLYMER-COATED ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY USING THE SAME - Provided is a lithium ion secondary battery including a cathode that is capable of occluding and emitting lithium ions, and an anode that is capable of occluding and emitting the lithium ions. A polymer compound containing a polyether portion and a carboxylic acid bonding portion is bonded to an active material as shown with a structure I, a structure II, a structure III, and a structure IV. | 03-07-2013 |
20130059229 | ELECTROLYTE MATERIAL, AND PROTON CONDUCTIVE POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL USING THE SAME - Disclosed is an electrolyte material containing a copolymer including a polyvinyl as a main chain, the copolymer including a functional group with proton conductivity; and an alkoxide of Si or Ti as a side chain. By using the electrolyte material, a proton conductive polymer electrolyte membrane with flexibility, high ion conductivity, excellent water resistance, and a small change in size can be obtained. And a polymer electrolyte fuel cell can be provided which has high output and durability by using the electrolyte membrane. | 03-07-2013 |