WO2009028722A1 - Unité portable de génération d'hydrogène - Google Patents

Unité portable de génération d'hydrogène Download PDF

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Publication number
WO2009028722A1
WO2009028722A1 PCT/JP2008/065913 JP2008065913W WO2009028722A1 WO 2009028722 A1 WO2009028722 A1 WO 2009028722A1 JP 2008065913 W JP2008065913 W JP 2008065913W WO 2009028722 A1 WO2009028722 A1 WO 2009028722A1
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WO
WIPO (PCT)
Prior art keywords
hydrogen
unit according
hydrogen generation
generation unit
container
Prior art date
Application number
PCT/JP2008/065913
Other languages
English (en)
Japanese (ja)
Inventor
Akihiko Komatsu
Hitoshi Hirano
Original Assignee
Rubycon Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rubycon Corporation filed Critical Rubycon Corporation
Priority to JP2009530231A priority Critical patent/JP5409367B2/ja
Publication of WO2009028722A1 publication Critical patent/WO2009028722A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H01M8/065—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by dissolution of metals or alloys; by dehydriding metallic substances
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • C01B3/08—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents with metals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Definitions

  • the present invention relates to a portable hydrogen generation unit that can efficiently and safely supply hydrogen supplied to a fuel cell.
  • Lithium secondary batteries have been used as power sources for small electric appliances such as mobile phones and personal computers.
  • lithium ion secondary batteries have problems such as short continuous use time, long charge time, and inability to charge easily. Have.
  • Fuel cells are attracting attention as a countermeasure.
  • a fuel cell can be recharged by supplying fuel and oxygen.
  • polymer electrolyte fuel cells with a low operating temperature are attracting attention and various improvements have been made.
  • the polymer electrolyte fuel cell uses oxygen as a positive electrode active material, hydrogen or methanol as a negative electrode active material, and a solid polymer membrane as an electrolyte.
  • Methanol used as the negative electrode active material is a voltage drop due to the crossover phenomenon of methanol, the harmfulness of methanol itself, and reaction products (generates a small amount of formaldehyde as an intermediate product)
  • reaction products generate a small amount of formaldehyde as an intermediate product
  • hydrogen used as the negative electrode active material is a clean fuel with no environmental problems, but it is explosive at room temperature and normal pressure, and has a problem in terms of safety.
  • the hydrogen supply device is used for large hydrogen generators and small electrical appliances that use a tank for containing water or a pump for supplying water, and is small and small enough to supply hydrogen at a low temperature. Hydrogen generators are being considered.
  • Japanese Laid-Open Patent Publication No. 2 0 2-1 6 1 3 2 5 discloses a method of generating hydrogen gas by reacting an aluminum alloy with water, but the removal of aluminum hydroxide generated by the reaction is disclosed. A large amount of water is required to immerse the aluminum alloy, and water may leak from the container, which is disadvantageous in terms of miniaturization and portability. .
  • Japanese Patent Laid-Open No. 2000-0 2 6 9 3 2 3 discloses a container having a first chamber and a second chamber in an internal space, a water vapor generation source housed in the first chamber, and a second chamber.
  • a partition that partitions the first chamber and the second chamber, a first opening that communicates the first chamber and the second chamber provided in the partition, and
  • a hydrogen generator comprising: a first water-repellent porous body disposed so as to cover an opening of the second chamber; and a second opening formed on a surface surrounding the second chamber excluding the wall portion.
  • water for generating water vapor may leak from the container, which is disadvantageous in terms of portability.
  • the hydride is powdered and the reaction with water vapor is abrupt.
  • the outer shape is formed in a flat rectangular parallelepiped shape, a container for containing pure iron powder therein, and an opening provided on one side of the container A lid for closing the part and an introduction part for introducing pure water or water vapor to react with pure iron, pure iron and water
  • a hydrogen generation cell having a derivation unit for deriving hydrogen gas generated by reacting water vapor has been disclosed.
  • pure iron powder is reacted with water, the hydrogen generation reaction rapidly occurs.
  • the iron powder aggregates during the reaction between the iron powder and water and the reaction is not performed efficiently, and hydrogen is not supplied sufficiently. This is not only an iron powder, but the same problem arises if the metal to which water reacts is a powder.
  • Japanese Patent Laid-Open No. 2 0 0 6 — 2 7 3 6 0 9 discloses that a hydrogen generating substance that reacts with water in a heated state to generate hydrogen but does not substantially generate hydrogen at room temperature is contained in the container.
  • a hydrogen generator that is provided with a means for heating the container from the outside of the container and in which the water is supplied to the container to heat the container and react the hydrogen generating substance with water is disclosed.
  • it is necessary to provide a heating means to remove the oxide film formed on the hydrogen generating material, which is problematic in terms of portability and safety. Disclosure of the invention
  • the object of the present invention is to solve the above-mentioned problems of the prior art.
  • the purpose of the present invention is not a large generation unit as in the prior art, but a small and portable hydrogen generation unit.
  • a hydrogen generation unit that can generate hydrogen according to demand by reacting water and metal foil efficiently rather than reacting metal fine particles with water or water vapor. Is to provide.
  • the present invention for achieving the above object is as follows.
  • reaction element in which a metal foil containing aluminum or an aluminum alloy and a separating material are stacked in layers, and a container containing the reaction element, and the reaction element reacts with water in the container.
  • a hydrogen generation unit that is capable of generating hydrogen gas.
  • reaction element has a structure in which a plurality of the metal foils and a plurality of the separators are alternately stacked.
  • the hydration reaction promoting substance includes at least one compound selected from the group consisting of inorganic acids and salts thereof, organic acids and salts thereof, and amines. Hydrogen generation unit.
  • the inorganic acid is selected from sulfuric acid, hydrochloric acid, phosphoric acid, sulfonic acid or derivatives thereof, and the organic acid is formic acid, benzoic acid, oxalic acid, adipic acid, phthalic acid, or derivatives thereof, citrate Selected from malic acid, tartaric acid or derivatives thereof, and the salt of the inorganic acid and organic acid is selected from sodium salt, potassium salt, calcium salt, and the amine is monoethanolamine, diethanolamine,
  • the separator is a non-woven fabric made of at least one fiber selected from aramid fibers, amide fibers, cellulose fibers, vinylon fibers, polyolefin fibers, rayon fibers, and acetate fibers.
  • the hydrogen generation unit according to any one of (1) to (12).
  • the inner surface of the container is coated with at least one selected from a resin, a silicon compound, and a metal oxide, according to any one of the above (1) to (15) The hydrogen generation unit described. '
  • the resin of the coating is at least one selected from a polyolefin resin, a polyester resin, a polystyrene resin, a vinyl resin, and an amide resin, and the metal oxide is aluminum,
  • the sealing body is an elastic body made of ethylene propylene copolymer rubber or isoprene isoprene rubber, or a cushioning material made of elastic body of polytetrafluoroethylene, silicone rubber, synthetic rubber or natural rubber.
  • the hydrogen generating unit according to any one of (18) or (19) above, which is a resin encapsulant comprising at least one of phenol, polytetrafluoroethylene, nylon and polystyrene.
  • the water-impermeable gas permeable material is at least one selected from the group consisting of polytetrafluoroethylene, polyethylene, polypropylene, polyvinylidene fluoride, polyacrylonitrile, polyamide, and polyimide.
  • Figure 1 shows an example of a roll of metal foil and separator.
  • Figure 2 shows an example of a laminate of metal foil and separator.
  • FIG. 3 shows a schematic diagram of an example of the hydrogen generation unit of the present invention.
  • the present invention has a reaction element in which a metal foil containing aluminum or an aluminum alloy and a separator are stacked in layers, and a container containing the reaction element, and the reaction element reacts with water in the container. It is a hydrogen generation unit that is capable of generating hydrogen gas.
  • this hydrogen generation unit hydrogen gas can be generated efficiently, and it is possible to provide a hydrogen generation unit that is highly safe, small, excellent in portability, and easy to replace. .
  • the hydrogen generation unit of the present invention enables hydrogen generation not by the reaction of metal fine particles and water or water vapor as in the prior art, but by the reaction of water and a metal foil containing aluminum or aluminum alloy. Is. If the metal foil is simply stacked to form a reaction element, the metal foils are in direct contact with each other, and the area where the metal foil can contact with water is reduced. The problem is that it is difficult to increase the On the other hand, according to the present invention, since the metal foil has the separator between the metal foils, the metal foils are not in direct contact with each other, and the surface area that can be contacted with water is not reduced. The reaction efficiency between water and water can be increased.
  • the separator is porous or is a separator that absorbs water, since water is supplied to the entire metal foil, and the efficiency of the reaction between the metal foil and water can be increased. Also, increasing the number of layers of metal foil and separator increases the surface area of the metal foil, A sufficient amount of hydrogen can be supplied for various applications.
  • the use of metal foil causes a problem that the reaction efficiency due to agglomeration is reduced as in the case of using metal fine particles, and water and metal particles react rapidly and are dangerous. Can be solved. As a result, hydrogen gas can be generated efficiently, and a highly safe hydrogen generation unit can be provided.
  • the hydrogen generation unit of the present invention can generate hydrogen gas by supplying water from a supply unit to a new unused hydrogen generation unit, so that it can be used safely and easily as a hydrogen supply source for fuel cells. It can be used. For example, when it is urgently desired to generate power from a fuel cell, hydrogen can be supplied to the fuel cell by supplying water from the supply unit to the hydrogen generation unit of the present invention to generate hydrogen gas.
  • the hydrogen generation unit after use can be recovered and recycled by reusing the metal foil inside.
  • the reaction element used in the hydrogen generation unit of the present invention preferably has a wound structure or a structure in which a plurality of metal foils and a plurality of separators are alternately stacked. With this configuration, it is easy to reduce the size of the reaction element, and thus it is possible to provide a small-sized and highly portable hydrogen generation unit.
  • the metal foil used in the hydrogen generation unit of the present invention is preferably a metal foil containing aluminum or an aluminum alloy. Particularly preferred is a metal foil made of aluminum or aluminum alloy. Although foils made of other metals can be used, aluminum or an aluminum alloy is preferable in terms of production cost, reactivity with water, and safety. Examples of the aluminum alloy include iron, copper, manganese, magnesium, zinc, nickel, titanium, silver or gold alloy with aluminum. This Among them, titanium, copper or iron and aluminum ⁇ : gold is useful. By the way, as an example of the reaction between the metal foil and water, an example of the reaction between the aluminum foil and water is shown below.
  • the surface of the metal foil is preferably subjected to a surface expansion treatment or a surface expansion treatment (roughening treatment).
  • a surface expansion treatment By increasing the surface area of the metal foil, the reaction between the metal foil and water can be promoted.
  • the surface expansion treatment can be performed by an etching process such as a chemical etching process or an electrolytic etching process.
  • the larger the specific surface area per area of the metal foil the more effective the reaction rate, that is, the hydrogen generation rate.
  • the surface of the metal foil is enlarged and the surface is roughened, there is an effect that a large amount of hydrogen is generated in the case of the same material metal foil.
  • the metal foil preferably has a large number of through holes. If the metal foil has a large number of through holes, it is advantageous because water can sufficiently permeate into the wound body or laminated body of the reaction element.
  • Tunnel-type etching can be performed as a method of forming a large number of through holes in a metal foil.
  • tunnel-type etching refers to etching in which through holes are formed, and is a technique known as an aluminum foil etching method.
  • the effect of promoting the reaction between the metal foil and water is particularly remarkable, and the reaction area with water is increased and water penetration is carried out sufficiently. Gas can be generated.
  • the method of forming a large number of through holes in the metal foil is not limited to tunnel type etching.
  • the thickness of the metal foil is preferably about 30 to 100 m.
  • the dimensions of the metal foil are determined by the unit size and the required amount of hydrogen generation. In calculations, 0.25 grams of aluminum is consumed to generate 300 milliliters of hydrogen. In portable applications, for example, it is desirable that the hydrogen generation amount is about 1.5 liters.
  • the separator according to the present invention exists between metal foils of aluminum or aluminum alloy, and allows water to spread over the surface of the metal foil.
  • a porous separator is preferred.
  • a more preferable separator is one in which the separator adsorbs water, spreads the water evenly over the metal foil, and allows water and the metal foil to react efficiently. By making such a separator cover the entire metal foil, the reaction efficiency between the metal foil and water can be increased.
  • Examples of the sequestering material that adsorbs water include a material containing a substituent having a hydrogen bond or a compound having a molecular structure.
  • Examples of such a material include paper or film made of natural cellulose fibers or chemically synthesized fibers.
  • examples of the separating material include nonwoven fibers made of aramid fibers, amide fibers (nylon fibers), cellulose fibers, vinylon fibers, polyolefin fibers, rayon fibers, and acetate fibers.
  • non-woven fabric is preferred because non-woven fabric can contain more water because there are more gaps.
  • the density of the separator is preferably 0.1 to 0.7 g / cm 3 . With this configuration, sufficient water exists in the gaps of the separator, and the reaction between aluminum and water can be maintained efficiently and for a long time. From this viewpoint, it is more preferably 0.1 to 0.5 g / cm 3 .
  • the constituent material of the container is preferably aluminum or an aluminum alloy, or iron or an iron alloy.
  • aluminum or aluminum alloy is preferable because it has good workability and can reduce the weight of the unit.
  • the shape of the container should be any shape such as cylindrical, prismatic, or box Can do.
  • the dimensions of the container need only be able to accommodate the reaction element and water, and are selected in consideration of the desired amount of hydrogen generation and ease of handling.
  • water that reacts with the metal foil still reacts sufficiently, but the presence of a hydration reaction promoting substance that promotes the reaction between the aluminum or aluminum alloy foil and water. Further, the reaction can be promoted, which is very preferable for practical use.
  • the hydration reaction promoting substance is not limited as long as it promotes the reaction between aluminum or aluminum alloy foil and water. Since both acids and bases promote hydration reactions, they can be used as hydration reaction accelerators.
  • the acid may be either an inorganic acid or an organic acid, and their salts can be used because they dissolve in water and act as an acid or base.
  • the organic acid is not limited as long as it is a carboxylic acid or a derivative thereof, an oxycarboxylic acid or a derivative thereof.
  • An amine is preferred as the base because it is easy to handle.
  • inorganic acids selected from sulfuric acid, hydrochloric acid, phosphoric acid, sulfonic acid or derivatives thereof, formic acid, benzoic acid, oxalic acid, carboxylic acids such as adipic acid, phthalic acid or derivatives thereof, kenic acid Organic acids selected from oxycarboxylic acids such as phosphoric acid and tartaric acid or their derivatives, salts of the above-mentioned inorganic and organic acids selected from sodium salts, potassium salts and calcium salts, and monoethanolamine, diethanol Amines selected from amines and triethanolamine are preferred hydration promoting substances.
  • hydration reaction promoting substances are preferably present in the container in advance.
  • the hydration reaction promoting substance dissolves in water and reacts with aluminum or the aluminum alloy.
  • the surface of the metal foil is hydroxylated. Even if an aluminum film is formed, the hydrogen reaction will not stop, so hydrogen gas can be generated efficiently.
  • the hydration reaction promoting substance previously present in the container is in the form of a solid powder.
  • the hydration reaction promoting substance may be preliminarily present in the container or may be contained in water supplied from the supply unit.
  • Water containing the hydration reaction promoting substance can be used as the dedicated supply water for the hydrogen generation unit of the present invention.
  • the form in which the hydration reaction promoting substance is present in the container is, for example, dispersed in the separating material, sprayed on the bottom of the container, or devised at or near the water supply port to the container. May be present locally, or a combination thereof.
  • the hydrogen generation unit of the present invention typically does not contain water in the container during storage, and starts water generation reaction by supplying water into the container during use. It is also possible to store the water separately from the metal foil in the interior and generate hydrogen by contacting the water with the metal foil during use.
  • the mass ratio of aluminum: water is about 1: 1, and is preferably in the range of 1: 100 to 100: 1, more preferably 1:10 to 1. 0: The range is 1. Based on this mass ratio, metal From the mass of the foil, the volume of the separator, and the desired water mass, the volume of the water storage space (margin space) in the container can be calculated. It is better to leave a blank space after filling the container with the initial amount of water.
  • the inner surface of the container is preferably coated, especially when the container is made of metal. This is to prevent reaction between the container and water.
  • resin silicon compound and metal oxide are used.
  • the resin include polyolefin resins such as polyethylene and polypropylene, polyester resins such as polyethylene terephthalate, polyvinyl acetate, and methyl methacrylate, and vinyl resins such as polystyrene resin and polyvinyl alcohol.
  • Resins with chemical resistance such as amide resins and metal oxides such as aluminum, zinc, titanium, copper and iron are preferred.
  • the container preferably has a structure in which the container body has an opening and the opening is sealed with a sealing body.
  • the sealing body is preferably a resin sealing body including a buffer material made of an elastic body or an elastic body.
  • the sealing body may be an elastic body such as ethylene propylene copolymer rubber or isoprene isoprene rubber, or elastic such as volite rubber fluoroethylene, silicone rubber, synthetic rubber, natural rubber, etc. It may be a resin-encapsulated body composed of at least one of phenol, polytetrafluoroethylene, nylon, or polystyrene having a buffer material composed of a body. It may be sealed with a metal lid like an aluminum can or a steel can.
  • the sealing body part of the container can be crimped.
  • a fixing member it is preferable to fix between the container and the reaction element using a fixing member.
  • a container or a sealing body is typically provided with a supply hole for supplying water and a discharge hole for discharging generated hydrogen.
  • the water supply hole and the hydrogen discharge hole may be the same single hole, but are preferably separate.
  • the number and form of the water supply holes and the hydrogen discharge holes may be determined as appropriate according to the unit and its usage.
  • the water supply hole and hydrogen discharge hole should be sealed with a lid.
  • a water-impermeable gas permeable material may be provided in the discharge hole provided in the sealing body.
  • a water-impermeable gas permeable material is a member that does not transmit water but allows gas to pass.
  • the provision of a water-impermeable gas permeable material has the advantage that liquid (water) can be prevented from leaking from the discharge hole for hydrogen extraction after water is supplied into the container.
  • the water-impermeable gas permeable material may include polytetrafluoroethylene, polyethylene, polypropylene, polyvinylidene fluoride, polyacrylonitrile 1, ril, polyamide, and polyimide.
  • the water-impermeable gas permeable material may be, for example, a film that simply blocks the discharge hole, or may be attached to the discharge hole in a bag shape.
  • the form in which hydrogen discharged from the discharge hole is used for an application such as a fuel cell is arbitrary, such as connecting the discharge hole directly to a fuel cell, or through an appropriate pipe or tube.
  • the metal foil 1 of aluminum or aluminum alloy A cylindrical reaction element 4 configured by separating the separator 2 between the metal foils 1 through the separator 2 by winding the separator 2 is shown.
  • the metal foil 1 preferably has a through hole.
  • the reaction element may have a structure in which the metal foils 1 and the separators 3 are alternately laminated as shown in FIG. 2, but the following description is based on the cylindrical reaction element 4.
  • the reaction element 4 is accommodated in a cylindrical container 5, and the opening of the container 5 is sealed with a sealing body 6.
  • the sealing body 6 is provided with a water supply hole 7 and a discharge hole 8 for discharging hydrogen gas.
  • the reaction element 4 is fixed to the sealing body 6 by using a fixing member 9.
  • the fixing member 9 is not essential and may be one.
  • the water supply hole 7 and the discharge hole 8 have plugs 7 'and 8', respectively (the plug 8 'is not shown in FIG. 3).
  • the discharge hole 8 in the container 5 may be covered with a membrane-like gas permeable material 11 or may be attached with a bag-like gas permeable material (not shown).
  • the stopper 8 is already removed when water 10 is supplied into the container 5.
  • the water 10 supplied into the container 5 is absorbed by the separator 2 made of non-woven fabric or paper between the metal foils 1 of the reaction element 4 and reacts with the aluminum or aluminum alloy on the surface of the metal foil 1. Hydrogen is generated.
  • the generated hydrogen 12 is discharged to the outside through the discharge hole 8.
  • the hydrogen permeable material 11 is made of a material that transmits gas but does not transmit liquid, and is provided for the purpose of preventing liquid leakage.
  • the hydrogen permeable material 11 is not essential for the hydrogen generation unit of the present invention.
  • the water supply hole 7 and the discharge hole 8 may be provided in the container 5 instead of being provided in the sealing body 6 as shown in FIG.
  • the mounting position is arbitrary.
  • the discharge hole 8 Is used so that it is positioned above the container.
  • the container is preferably provided with a safety valve (not shown) for allowing gas to escape when the internal pressure rises abnormally above a predetermined value.
  • Two pieces of aluminum metal foil (thickness 100 mm, width 16 mm, length 180 mm) with through-type tunnel etching were prepared.
  • a reaction element was formed by winding with a non-woven cloth of rayon fiber interposed therebetween.
  • This reaction element is placed in an aluminum cylindrical case (inner diameter 12.5 mm, height 26 mm), and the case opening is sealed with a sealing rubber (EPT) with a rubber valve, and then the case is crimped.
  • EPT sealing rubber
  • One hydrogen generation unit was placed in a glass container with an N-shaped glass tube attached to a rubber stopper, and the amount of hydrogen generated by replacing the water in a female cylinder was measured.
  • Example 2 The amount of hydrogen generation was measured according to Example 1, but the aqueous solution injected into the hydrogen generation unit was changed as shown in Table-1.
  • the amount of hydrogen generation was measured according to Example 1, but pure water was injected into the hydrogen generation unit.
  • a control example using pure water is also within the scope of the present invention, and in that sense is an example.
  • Table 1 shows the hydrogen generation time and the hydrogen generation amount after 24 hours depending on the type of aqueous solution contained in the hydrogen unit (the hydrogen generation amount after 192 hours since the control example did not generate in 24 hours).
  • Table 1 shows that the hydrogen generation time of the aqueous solution containing the electrolyte is faster than that of pure water alone. Looking at the difference depending on the type of electrolyte, the hydrogen generation time of the sodium salt was 24 hours faster than that of the acid (Example 5), amine (Example 6) and ammonium salt (Example 7). Later, the amount of hydrogen generated also became more than 100 (ml).
  • the generation time was slow even with pure water alone, but hydrogen was found to be generated after 192 hours.
  • the amount of hydrogen generated was measured according to Example 1, but the amount of electrolyte was changed as shown in Table 1-2.
  • Example 9 with an electrolytic mass of 10 wt. was slower in hydrogen generation start time than other Examples 1, 10, and 11, but the amount of hydrogen generated after 24 hours was different. It did not change compared with the example of.
  • the concentration of sodium citrate was 20% to 30% by weight, which was the best result in terms of hydrogen generation start time and hydrogen generation amount.
  • the hydrogen generation time and hydrogen generation amount were measured according to Example 1, but the separator was changed to cellulose fiber paper.
  • the hydrogen generation time and the amount of hydrogen generation were measured according to Example 1, but the metal foil was changed as shown in Table 1.
  • the metal foils in Table 1 are as follows.
  • Tunnel tunnel etching penetration foil for high-voltage capacitors As shown in Table 1, the control example 3 using a plain foil that has not been etched has a slow start time for hydrogen generation, and the amount generated after 24 hours is also etched. It was less compared to Examples 1, 13, and 14 where the test was performed.
  • the etching foil for low-voltage capacitors (Example 13) and the tunnel were higher than the etching foil for high-voltage capacitors (Example 14).
  • the etching etching type foil (Example 1) had a faster hydrogen generation start time, and the generation amount after 24 hours increased. '' Industrial applicability
  • the apparatus of the present invention can safely generate desired hydrogen gas by the reaction of water and metal foil, can be compact and safe to carry, can easily supply hydrogen, and It is an environmentally friendly hydrogen generation unit that is inexpensive and highly recyclable. Therefore, industrial applicability as a raw material for portable fuel cells is clear.

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Abstract

L'invention se rapporte à une unité portable compacte de génération d'hydrogène, capable de générer l'hydrogène demandé, par l'intermédiaire d'une réaction efficace entre de l'eau et une feuille de métal, mais pas par l'intermédiaire d'une réaction entre des microparticules de métal et de l'eau ou de la vapeur d'eau. L'unité de génération d'hydrogène est caractérisée en ce qu'elle présente un élément de réaction consistant en une feuille de métal contenant de l'aluminium ou un alliage d'aluminium et un matériau d'isolation superposés l'un sur l'autre en couches, l'élément de réaction présentant de préférence une structure enroulée ou laminée de feuille de métal et de matériau d'isolation stratifié, et un réservoir recevant l'élément de réaction de telle sorte que l'hydrogène gazeux peut être généré par réaction entre l'élément de réaction et l'eau dans le réservoir.
PCT/JP2008/065913 2007-08-29 2008-08-28 Unité portable de génération d'hydrogène WO2009028722A1 (fr)

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JP2009530231A JP5409367B2 (ja) 2007-08-29 2008-08-28 携帯型水素発生ユニット

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JP2007223129 2007-08-29
JP2007-223129 2007-08-29

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WO2009028722A1 true WO2009028722A1 (fr) 2009-03-05

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015145248A1 (fr) * 2014-03-26 2015-10-01 RAVET, Christophe Dispositif et procede de production d'un gaz inflammable pour moteur a explosion
WO2016104007A1 (fr) * 2014-12-22 2016-06-30 国立大学法人京都大学 Dispositif de production d'hydrogène et récipient de génération d'hydrogène
JP2018030743A (ja) * 2016-08-23 2018-03-01 株式会社アンノオフィス 水素発生器の反応容器
JP2018143770A (ja) * 2017-03-08 2018-09-20 株式会社環境技研 カートリッジ、水素ガス吸引具および水素ガス発生用混合物
CN109689146A (zh) * 2016-09-11 2019-04-26 竹原隆 氢气吸引工具

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01208301A (ja) * 1988-02-15 1989-08-22 Mitsubishi Heavy Ind Ltd 水素発生方法
JPH07237901A (ja) * 1994-02-25 1995-09-12 Tanaka Kikinzoku Kogyo Kk 水素吸蔵金属への水素の充填方法
JP2004231466A (ja) * 2003-01-30 2004-08-19 Uchiya Thermostat Kk 水素発生材料、水素発生方法及び水素発生装置
JP2006056753A (ja) * 2004-08-20 2006-03-02 Materials & Energy Research Institute Tokyo Ltd 水素発生方法、水素発生装置及び燃料電池システム
JP2006069875A (ja) * 2004-09-06 2006-03-16 Nitto Denko Corp 水素ガス発生装置及び水素ガス発生システム
WO2007018244A1 (fr) * 2005-08-11 2007-02-15 Hitachi Maxell, Ltd. Matériau générateur d’hydrogène et appareil générateur d’hydrogène

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002293501A (ja) * 2001-03-29 2002-10-09 Akinori Tanaka 水素の発生方法及び装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01208301A (ja) * 1988-02-15 1989-08-22 Mitsubishi Heavy Ind Ltd 水素発生方法
JPH07237901A (ja) * 1994-02-25 1995-09-12 Tanaka Kikinzoku Kogyo Kk 水素吸蔵金属への水素の充填方法
JP2004231466A (ja) * 2003-01-30 2004-08-19 Uchiya Thermostat Kk 水素発生材料、水素発生方法及び水素発生装置
JP2006056753A (ja) * 2004-08-20 2006-03-02 Materials & Energy Research Institute Tokyo Ltd 水素発生方法、水素発生装置及び燃料電池システム
JP2006069875A (ja) * 2004-09-06 2006-03-16 Nitto Denko Corp 水素ガス発生装置及び水素ガス発生システム
WO2007018244A1 (fr) * 2005-08-11 2007-02-15 Hitachi Maxell, Ltd. Matériau générateur d’hydrogène et appareil générateur d’hydrogène

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015145248A1 (fr) * 2014-03-26 2015-10-01 RAVET, Christophe Dispositif et procede de production d'un gaz inflammable pour moteur a explosion
FR3019167A1 (fr) * 2014-03-26 2015-10-02 Vt Eco2 France Dispositif et procede de production d'un gaz inflammable pour moteur a explosion
WO2016104007A1 (fr) * 2014-12-22 2016-06-30 国立大学法人京都大学 Dispositif de production d'hydrogène et récipient de génération d'hydrogène
JP2018030743A (ja) * 2016-08-23 2018-03-01 株式会社アンノオフィス 水素発生器の反応容器
CN109689146A (zh) * 2016-09-11 2019-04-26 竹原隆 氢气吸引工具
CN109689146B (zh) * 2016-09-11 2021-09-17 竹原隆 氢气吸引工具
JP2018143770A (ja) * 2017-03-08 2018-09-20 株式会社環境技研 カートリッジ、水素ガス吸引具および水素ガス発生用混合物
WO2019171639A1 (fr) * 2017-03-08 2019-09-12 株式会社環境技研 Cartouche, inhalateur de gaz hydrogène et mélange générant du gaz hydrogène

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