摘要:
A fuel cell power generating apparatus comprises an electromotive section, a container, a methanol aqueous solution recovery mechanism, and flow rate controller controlling the flow rate Jm (mL/min) which controls the flow rate Jm (mL/min) at which the methanol aqueous solution is supplied from the container, in accordance with an evaluated concentration of the methanol aqueous solution in the container, wherein the fuel cell power generating apparatus satisfies conditions (1) to (3) given below: 2≦Cm0≦5 (1) L≧40 (2) N·0.65/L·S≦Jm≦N·5.2/L·S (3).
摘要:
The invention provides a fuel cell in which humidification control for maintaining adequate moisture in electrolyte membranes can be simplified. The fuel cell according to the invention is provided with a unit cell comprising a laminate of a plurality of power generation sections, each power generation section comprising a fuel electrode (anode), an oxidant electrode(cathode) and an electrolyte membrane interposed between the fuel electrode and the oxidant electrode(cathode), wherein the electrolyte membrane consists of a laminate comprising a film made of a proton-conducting organic compound, and a film made of a proton-conducting inorganic glass provided at least on the surface of the film of the proton-conducting organic compound facing the fuel electrode(anode).
摘要:
Disclosed is a fuel cell in the form of stacked unit cells each having a power generating section composed of a fuel electrode, an oxidant electrode, and an electrolyte plate held therebetween, which are placed on top of the other. In this fuel cell, a liquid fuel is introduced into each unit cell by the capillary action and evaporated in each unit cell in a fuel evaporating portion, so that the fuel electrode is supplied with the evaporated fuel.
摘要:
A fuel cell includes a fuel electrode, an oxidant electrode, a fuel supply port, and a porous material layer for transferring a liquid fuel from the fuel supply port to the fuel electrode. The porous material layer has different values of at least one of a porosity, a permeability and a tortuosity factor depending on the distance of a site of the porous material layer from at least one of the fuel supply port and the fuel electrode.
摘要:
The invention provides a fuel cartridge for supplying methanol aqueous solution to a direct methanol fuel cell system, comprising a memory which stores at least a concentration of the methanol aqueous solution.
摘要:
An electrode for a fuel cell, including a porous catalytic carrier including conductive fibers having two particle diameter distribution peaks of a first particle diameter distribution peak existing at a small particle diameter side and a second particle diameter distribution peak existing at a large particle diameter side, wherein said conducting fibers are carbon nano-fibers formed from a catalyst for formation prepared by preparing a mixed powder including one or more of a reducible metallic oxide powder and a non-reducible metallic oxide powder, mixing and pulverizing the mixed powder, and heating the mixed powder under reducing atmosphere; catalyst to be carried on said conductive fibers belonging to the first particle diameter distribution peak; and a proton conductive material adhered on surface of at least the conducive fibers belonging to the first particle diameter distribution peak, so as to come into contact with the catalyst.
摘要:
A fuel cartridge to be connected to a direct methanol fuel cell power generating device includes a spare fuel tank which stores a liquid fuel and is to be connected to the direct methanol fuel cell power generating device and a harmful substance trap member. The spare fuel tank stores a liquid fuel and is to be connected to the direct methanol fuel cell power generating device. The harmful substance trap member is fixed to the spare fuel tank and is to be connected to the direct methanol fuel cell power generating device. The harmful substance trap member contains a harmful substance trap material which traps gaseous harmful substances exhausted from the direct methanol fuel cell power generating device.
摘要:
The carbon fibers of this invention is characterized in that irreducible inorganic material particles in a mean primary particle size below 500 nm and reducible inorganic material particles in a mean primary particle size below 500 nm were mixed by pulverizing and then, the mixture was heat treated under the reducing atmosphere and metal particles in a mean particle size below 1 μm were obtained, and the mixed powder of the thus obtained metal particles with the irreducible inorganic material particles are included in the carbon fibers.
摘要:
The carbon fibers of this invention is characterized in that irreducible inorganic material particles in a mean primary particle size below 500 nm and reducible inorganic material particles in a mean primary particle size below 500 nm were mixed by pulverizing and then, the mixture was heat treated under the reducing atmosphere and metal particles in a mean particle size below 1 μm were obtained, and the mixed powder of the thus obtained metal particles with the irreducible inorganic material particles are included in the carbon fibers.
摘要:
An electrolysis device of an embodiment includes: an anode, a cathode having a nitrogen-containing carbon alloy catalyst, and an electrolysis cell having a membrane electrode assembly composed of an electrolyte present between the anode and the cathode so that voltage is applied to the anode and the cathode, wherein the electrolyte is any one of acidic, neutral, or alkali, water is produced by the electrolysis device at the cathode, when the electrolyte is acidic, and hydroxide ion is produced by the electrolysis device at the anode, when the electrolyte is neutral or alkali.