摘要:
A hydrogen generating material of the present invention includes a metal material that reacts with water to generate hydrogen, and a heat generating material that reacts with water to generate heat and is a material other than the metal material. The heat generating material is unevenly distributed with respect to the metal material. The hydrogen generating material has a plurality of regions that differ in content of the heat generating material. The content of the heat generating material is preferably 30 wt % to 80 wt % in a region with the highest content of the heat generating material. A hydrogen generator of the present invention includes the hydrogen generating material and a vessel containing the hydrogen generating material. The vessel can accommodate another inner vessel.
摘要:
In a method for producing a hydrogen generating material including at least one metal powder selected from the group consisting of an aluminum powder and an aluminum alloy powder of the present invention, a metal flake powder is formed by pulverizing aluminum or aluminum alloy mechanically in a treatment solvent containing an organic solvent that is corrosive to aluminum. The hydrogen generating material of the present invention includes, e.g., at least one metal powder selected from the group consisting of an aluminum powder and an aluminum alloy powder. The metal powder is in the form of a flake and includes 60 wt % or more of aluminum in the metallic state. The carbon content of the metal powder measured by a combustion-infrared absorption method is 0.5 wt % or less.
摘要:
A hydrogen generating material of the present invention includes at least one metal material selected from aluminum and aluminum alloy. The metal material has a surface film that includes a metal phase containing aluminum in the metallic state and an inactive phase containing an oxide or hydroxide of aluminum. A method for producing the hydrogen generating material of the present invention includes pulverizing aluminum or aluminum alloy in a liquid containing water and an organic solvent. A method for producing hydrogen of the present invention includes producing hydrogen by a reaction between the hydrogen generating material of the present invention and water.
摘要:
A hydrogen generating material reacts with water to produce hydrogen and includes at least one metal material selected from the group consisting of aluminum, magnesium, and their alloys. The metal material includes particles with a particle size of 60 μm or less in a proportion of 80 wt % or more. The hydrogen generating material can produce hydrogen easily and efficiently at low temperatures. A hydrogen generator can be made portable by using the hydrogen generating material. Moreover, the use of the hydrogen generating material as a hydrogen fuel source can reduce the size of a fuel cell and improve the electrical efficiency.
摘要:
A hydrogen generator of the present invention has a vessel for containing a hydrogen generating material including a metallic material for generating hydrogen by an exothermic reaction with water. The vessel includes a water supply pipe for supplying water into the vessel and a hydrogen outlet for discharging hydrogen generated in the vessel to the outside of the vessel. In the hydrogen generator, a wall surface of the vessel facing the hydrogen outlet is set as a reference plane, a water supply port at the end of the water supply pipe disposed inside the vessel is disposed in the vicinity of the reference plane, the water supply pipe includes a perpendicular portion extending from the vicinity of the center of the reference plane in a direction perpendicular to the reference plane, and a water absorbent is disposed on the periphery of the perpendicular portion of the water supply pipe and not disposed on a portion of 15% or more of an effective length of the perpendicular portion on the hydrogen outlet side.
摘要:
A hydrogen producing apparatus according to the present invention includes a hydrogen-generating-material containing vessel 1 for containing a hydrogen generating material, a water containing vessel 2 for containing water, a water supply portion for supplying water from the water containing vessel 2 to the hydrogen-generating-material containing vessel 1, a hydrogen outflow portion for leading out hydrogen from the hydrogen-generating-material containing vessel 1, a gas-liquid separating part 7 for separating water from a mixture of hydrogen and water discharged from the hydrogen-generating-material containing vessel 1, and a water collecting portion for collecting water separated by the gas-liquid separating part 7 into the water containing vessel 2.
摘要:
A hydrogen-generating material composition of the present invention contains at least one metallic material selected from the group consisting of aluminum, silicon, zinc, magnesium, and alloys mainly composed of at least one of those metal elements, and a water-soluble salt of hydroxy acid. In the hydrogen-generating material composition, the ratio of the water-soluble salt of hydroxy acid to the total of the metallic material and the water-soluble salt of hydroxy acid is 1 mass % or more. A method for producing hydrogen according to the present invention is provided, wherein hydrogen is generated by supplying water to the hydrogen-generating material composition of the present invention so that a reaction occurs between the metallic material and the water.
摘要:
A hydrogen generating material of the present invention includes at least one metal material selected from aluminum and aluminum alloy. The metal material has a surface film that includes a metal phase containing aluminum in the metallic state and an inactive phase containing an oxide or hydroxide of aluminum. A method for producing the hydrogen generating material of the present invention includes pulverizing aluminum or aluminum alloy in a liquid containing water and an organic solvent. A method for producing hydrogen of the present invention includes producing hydrogen by a reaction between the hydrogen generating material of the present invention and water.
摘要:
A hydrogen generating material reacts with water to produce hydrogen and includes at least one metal material selected from the group consisting of aluminum, magnesium, and their alloys. The metal material includes particles with a particle size of 60 μm or less in a proportion of 80 wt % or more. The hydrogen generating material can produce hydrogen easily and efficiently at low temperatures. A hydrogen generator can be made portable by using the hydrogen generating material. Moreover, the use of the hydrogen generating material as a hydrogen fuel source can reduce the size of a fuel cell and improve the electrical efficiency.
摘要:
A hydrogen producing apparatus according to the present invention includes a hydrogen-generating-material containing vessel 1 for containing a hydrogen generating material, a water containing vessel 2 for containing water, a water supply portion for supplying water from the water containing vessel 2 to the hydrogen-generating-material containing vessel 1, a hydrogen outflow portion for leading out hydrogen from the hydrogen-generating-material containing vessel 1, a gas-liquid separating part 7 for separating water from a mixture of hydrogen and water discharged from the hydrogen-generating-material containing vessel 1, and a water collecting portion for collecting water separated by the gas-liquid separating part 7 into the water containing vessel 2.