摘要:
A vehicle using hydrogen absorbing alloys includes: a plurality of hydrogen absorbing alloy storing vessels for independently storing a plurality of hydrogen absorbing alloys with a different hydrogen equilibrium decomposition pressure; a connecting section for passing hydrogen to and fro among the plurality of hydrogen absorbing alloy storing vessels; and a heating section for heating a low pressure hydrogen absorbing alloy which has the lowest hydrogen equilibrium decomposition pressure among the plurality of hydrogen absorbing alloys, using the combustion heat from fuel of an internal combustion engine or an external combustion engine of the vehicle as a heat source. Heat of reaction generated by absorption or desorption of hydrogen is utilized for heating or cooling the air in a passenger compartment or a component of the vehicle. The connecting section includes a hydrogen gas storing vessel.
摘要:
A vehicle using hydrogen absorbing alloys includes: a plurality of hydrogen absorbing alloy storing vessels for independently storing a plurality of hydrogen absorbing alloys with a different hydrogen equilibrium decomposition pressure; a connecting section for passing hydrogen to and fro among the plurality of hydrogen absorbing alloy storing vessels; and a heating section for heating a low pressure hydrogen absorbing alloy which has the lowest hydrogen equilibrium decomposition pressure among the plurality of hydrogen absorbing alloys, using the combustion heat from fuel of an internal combustion engine or an external combustion engine of the vehicle as a heat source. Heat of reaction generated by absorption or desorption of hydrogen is utilized for heating or cooling the air in a passenger compartment or a component of the vehicle. The connecting section includes a hydrogen gas storing vessel.
摘要:
In a molten carbonate fuel cell having an anode a cathode which are both porous gas-diffusion electrodes, and an electrolyte making contact with both the electrodes, the cathode includes a metal oxide represented by the formula Li.sub.x Ni.sub.1-x O (0.05.ltoreq..times.
摘要:
Disclosed is a polymer electrolyte fuel cell having an improved separator plate. The fuel cell comprises a solid polymer electrolyte membrane; an anode and a cathode sandwiching the solid polymer electrolyte membrane therebetween; an anode-side conductive separator plate having a gas flow path for supplying a fuel gas to the anode; and a cathode-side conductive separator plate having a gas flow path for supplying an oxidant gas to the cathode, wherein each of the anode-side and cathode-side conductive separator plates is composed of a metal and a conductive coat which has resistance to oxidation and covers a surface of the metal. Alternatively, the above-mentioned separator plates are formed of a metal and a coat having resistance to oxidation and have roughened surfaces with recessions and protrusions, and portions of a top surface of the protruding portions, which lack the coat, are electrically connected to an electrode.
摘要:
In a polymer electrolyte fuel cell including a hydrogen ion conductive polymer electrolyte membrane; a pair of electrodes composed of catalyst layers sandwiching the hydrogen ion conductive polymer electrolyte membrane between them and gas diffusion layers in contact with the catalyst layers; a conductive separator plate having a gas flow channel for supplying a fuel gas to one of the electrodes; and a conductive separator plate having a gas flow channel for supplying an oxidant gas to the other electrode, in order to bring a hydrogen ion conductive polymer electrolyte and a catalyst metal of the catalyst layers containing the hydrogen ion conductive polymer electrolyte and conductive carbon particles carrying the catalyst metal sufficiently and uniformly into contact with each other, the polymer electrolyte is provided in pores of an agglomerate structure of the conductive carbon particles. Consequently, the reaction area inside the electrodes is increased, and higher performance is exhibited.
摘要:
A fuel cell comprises a reformer interposed between a fuel electrode and an oxidant electrode and having a preheating zone and a reforming zone in which a reforming catalyst is laid. Fuel gas introduced into the fuel is at first introduced into the preheating zone where it is preheated by heat generated during power generation.
摘要:
A molten carbonate fuel cell includes unit cells and separator plates stacked alternately, with each unit cell having an anode of porous nickel-base alloy, a cathode of porous nickel-oxide doped with lithium, and an electrolyte plate including a eutectic mixture of a carbonate of alkaline metals disposed between the anode and cathode. The separator plate is a heat-resistant metal plate. The anode of porous nickel-base alloy contains 1 to 10 weight % of at least one of molybdenum and tungsten, resulting in less deterioration after a long operation.
摘要:
There is provided an internal reforming type molten carbonate fuel cell comprising unit cells, bipolar plates and plate-like reformer each having the same peripheral shape and being stacked to form a cell stack which is penetrated by an inside manifold for supplying the raw fuel, exhausting the reacted gas, etc., wherein the plate-like reformer is provided with props and reforming catalyst so arranged that uniform temperature distribution in the cell, reduced IR loss in operation, and long life were obtained.
摘要:
A hydrogen absorbing alloy comprising Laves phases with a C14-type crystal structure is provided. The alloy can absorb or release different hydrogen isotopes one after another in accordance with changes In pressure, by utilizing the differences in equilibrium absorption or desorption pressures of the respective hydrogen isotopes. This alloy can be used to effectively separate hydrogen isotopes by utilizing the differences in equilibrium absorption or desorption pressures between the respective hydrogen isotopes, or by utilizing the differences in desorption rates between the hydrogen isotopes.
摘要:
This invention provides a solid electrolyte fuel cell operable with high efficiency even in the temperature range of about 850.degree. to 650.degree. C., The invention is characterized by the use of a novel perovskite double oxide of the composition A.sub.X B.sub.Y O.sub.3-.alpha.. The fabrication of the electrolyte, air electrode and fuel electrode layers by tape casting has contributed to marked improvement in processability and productivity.