WO2010026945A1 - 水素発生装置、およびそれを備えた燃料電池システム - Google Patents
水素発生装置、およびそれを備えた燃料電池システム Download PDFInfo
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- WO2010026945A1 WO2010026945A1 PCT/JP2009/065187 JP2009065187W WO2010026945A1 WO 2010026945 A1 WO2010026945 A1 WO 2010026945A1 JP 2009065187 W JP2009065187 W JP 2009065187W WO 2010026945 A1 WO2010026945 A1 WO 2010026945A1
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- Prior art keywords
- hydrogen
- water
- amount
- supplied
- water supply
- Prior art date
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 391
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 391
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 371
- 239000000446 fuel Substances 0.000 title claims abstract description 102
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 300
- 239000000126 substance Substances 0.000 claims abstract description 53
- 230000005611 electricity Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 52
- 238000010248 power generation Methods 0.000 description 14
- 239000008400 supply water Substances 0.000 description 13
- 150000002431 hydrogen Chemical class 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 239000000956 alloy Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 7
- 239000007769 metal material Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 230000001186 cumulative effect Effects 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- 239000005518 polymer electrolyte Substances 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
-
- 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
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/06—Integration with other chemical processes
- C01B2203/066—Integration with other chemical processes with fuel cells
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/16—Controlling the process
- C01B2203/169—Controlling the feed
-
- 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 hydrogen generator containing a hydrogen generating material, a hydrogen generator including water supply means for generating hydrogen by supplying water to the hydrogen generator, and a fuel cell system including the hydrogen generator.
- the present invention relates to a hydrogen generator capable of estimating the remaining amount of hydrogen that can be generated by the hydrogen generator, and a fuel cell system including the hydrogen generator.
- the fuel cell can be used continuously if fuel and oxygen are supplied.
- a polymer electrolyte membrane fuel cell (PEMFC: Polymer Electrolyte Fuel Fuel Cell) uses a solid polymer electrolyte as the electrolyte, oxygen in the air as the positive electrode active material, and fuel (hydrogen, methanol, etc.) as the negative electrode active material Therefore, it is attracting attention as a battery that can be expected to have a higher energy density than the current mainstream lithium ion secondary battery.
- hydrogen as a fuel used in this PEMFC
- a reaction between water and a hydrogen generating substance such as lithium, potassium, calcium, sodium, magnesium, or aluminum which is a metal having a high ionization tendency is used.
- a method for generating hydrogen has been proposed.
- JP 2006-306700 A JP 2007-45646 A JP-A-10-252567
- the conventional method for measuring the amount of hydrogen supplied requires a device for measuring the amount of hydrogen, such as a flow meter or pressure gauge, and the fuel cell used in a mobile device that is required to be small and light. This is undesirable and increases the cost.
- current detection means are required, and when all of the hydrogen generated by the fuel cell cannot be used for power generation and is discharged to the outside, the remaining amount is detected. A problem arises that an error in quantity occurs.
- the present invention has been made in view of such problems, and a hydrogen generator capable of estimating the remaining amount of hydrogen without adding a detection means that leads to high costs, and a fuel cell including the hydrogen generator The purpose is to obtain a system.
- a hydrogen generator of the present invention includes a hydrogen generator containing a hydrogen generating substance that generates hydrogen by reaction with water, water supply means for supplying water to the hydrogen generator, Water supply amount control means for controlling the water supply means to adjust the amount of water supplied to the hydrogen generation section, and the water supply means or the water supply amount control means obtained from the water supply means or supplied to the hydrogen generation section. And a remaining amount management means for estimating the remaining amount of hydrogen that can be generated by the hydrogen generator from the amount of water information.
- the fuel cell system of the present invention includes the hydrogen generator of the present invention and a fuel cell that generates power using hydrogen generated by the hydrogen generator.
- a means for detecting the amount of generated hydrogen is separately provided. The remaining amount of hydrogen that can be generated by the hydrogen generator can be estimated.
- FIG. 1 is a block diagram illustrating a schematic configuration of a hydrogen production apparatus according to a first embodiment of the present invention and a fuel cell system including the same.
- FIG. 2 is a diagram illustrating integration of the amount of supplied water in the remaining amount management device of the hydrogen generator according to the first embodiment of the present invention.
- FIG. 2A shows a change in the amount of supplied water per unit time
- FIG. 2B shows a change in the total amount of supplied water, which is an integrated water amount.
- FIG. 3 is a block diagram showing a schematic configuration of a hydrogen generator according to the second embodiment of the present invention and a fuel cell system including the hydrogen generator.
- FIG. 4 is a flowchart showing the operation of the control unit in the hydrogen generator according to the second embodiment of the present invention.
- FIG. 1 is a block diagram illustrating a schematic configuration of a hydrogen production apparatus according to a first embodiment of the present invention and a fuel cell system including the same.
- FIG. 2 is a diagram illustrating integration of the amount of supplied water
- FIG. 5 is a diagram showing the relationship between the amount of supplied water and the amount of hydrogen generated in the hydrogen generator according to the second embodiment of the present invention, and shows the relationship when the reaction between the hydrogen generating substance and water has not progressed so much. It is shown.
- FIG. 6 is a diagram showing the relationship between the amount of supplied water and the amount of hydrogen generated in the hydrogen generator according to the second embodiment of the present invention, and shows the relationship when the reaction between the hydrogen generating substance and water has progressed considerably. It is shown.
- FIG. 6A shows a case where the amount of supplied water is increased at the beginning of water supply
- FIG. 6B shows a case where water is supplied with a constant amount of water.
- the hydrogen generator according to the present invention includes a hydrogen generator containing a hydrogen generating substance that generates hydrogen by reaction with water, water supply means for supplying water to the hydrogen generator, and the water Water supply amount control means for controlling the supply means to adjust the amount of water supplied to the hydrogen generation section, and the water supplied to the hydrogen generation section obtained from the water supply means or the water supply amount control means Remaining amount management means for estimating the remaining amount of hydrogen that can be generated by the hydrogen generator from the amount of water information.
- the amount of hydrogen generated from the hydrogen generator can be grasped from the amount of water supplied to the hydrogen generator obtained from the water supply means or the water supply amount control means.
- hydrogen can be generated without providing a means such as a flow meter for measuring the amount of hydrogen generated from the hydrogen generating material.
- the remaining amount of hydrogen that can be generated by the generated substance can be estimated.
- the remaining amount management means estimates the remaining amount of hydrogen that can be generated by the hydrogen generating unit from the total amount of water supplied to the hydrogen generating unit. By doing in this way, the amount of generated hydrogen can be calculated based on the amount of water used for hydrogen generation.
- the remaining amount management unit estimates a remaining amount of hydrogen that can be generated by the hydrogen generation unit from an operation time of the water supply unit. By doing in this way, when the flow rate of the supplied water is constant, the amount of water supplied to the hydrogen generator can be calculated based on one index of time.
- the water supply means is powered by electricity, and the remaining amount management means has a hydrogen amount that can be generated by the hydrogen generator from the integrated value of the voltage applied to the water supply means. It is preferable to estimate the remaining amount. In this way, when the water supply means is an electric pump or the like, the amount of water supplied to the hydrogen generation unit can be calculated from electrical information that can be easily detected, transmitted, and calculated as information. .
- the hydrogen generation unit includes a detachable fuel cartridge that contains the hydrogen generation substance, and the fuel cartridge includes a memory unit that stores the amount of supplied water or the remaining amount of hydrogen that can be generated. It is preferable. In this way, the accumulated supply water amount supplied to the hydrogen generation unit of the fuel cartridge, or the remaining amount of hydrogen that can be generated estimated from the integrated supply water amount is stored in the memory unit, and the cartridge is Even in the case of replacement, the remaining amount of hydrogen that can be easily generated can be grasped.
- the water supply amount control means controls the amount of water supplied by the water supply means based on the water amount information of the water supplied to the hydrogen generator. By doing in this way, the appropriate quantity of water according to the integrated supply water quantity can be supplied to a hydrogen generation part. For this reason, hydrogen generation according to the degree of reaction of the hydrogen generating substance accommodated in the hydrogen generating part with water can be performed, and the power generation of the fuel cell can be started promptly.
- the fuel cell system of the present invention includes the above-described hydrogen generator of the present invention and a fuel cell that generates electric power using hydrogen generated by the hydrogen generator.
- FIG. 1 is a block diagram showing a schematic configuration of a fuel cell system according to a first embodiment of the present invention.
- the fuel cell system 200 of the present embodiment includes a hydrogen generator 100 and a fuel cell 10 that generates power using hydrogen generated by the hydrogen generator 100.
- the hydrogen generation apparatus 100 is configured to generate hydrogen by an exothermic reaction between the container 3 which is a hydrogen generation unit that stores a hydrogen generation substance 4 that generates hydrogen by an exothermic reaction with water, and the hydrogen generation substance 4 accommodated in the container 3.
- the container 3 which is a hydrogen generation unit that stores a hydrogen generation substance 4 that generates hydrogen by an exothermic reaction with water, and the hydrogen generation substance 4 accommodated in the container 3.
- a water storage tank 1 for storing water 2 to be generated, and an electric pump 5 as water supply means for supplying water 2 from the water storage tank 1 to the container 3.
- a control unit 11 that is a water supply amount control unit that operates a pump 5 that is a water supply unit to control a supply amount of water 2 that is supplied from the water storage tank 1 to a container 3 that is a hydrogen generation unit; Remaining amount management that estimates the remaining amount of hydrogen that can be generated by the hydrogen generating unit from the water amount information of the water 2 supplied to the container 3 obtained from the control unit 11 or the pump 5 that is a water supply means.
- a remaining amount management device 13 as a means.
- the container 3 and the water storage tank 1 are sectional drawing in order to show the internal structure.
- the container 3 has a container body 3a and a lid 3b.
- a water supply pipe 6 for supplying water 2 stored in the water storage tank 1 through the lid 3b and a hydrogen outlet pipe 8 for leading the generated hydrogen are provided in the container body 3a. ing.
- the water 2 sent from the water storage tank 1 by the pump 5 is supplied from the water supply port 7 of the water supply pipe 6 to the hydrogen generating material 4 in the container 1 and is generated by the reaction between the hydrogen generating material 4 and the water 2.
- the hydrogen thus introduced is led from the hydrogen lead-out port 9 to the fuel cell 10 through the hydrogen lead-out pipe 8.
- the hydrogen generating substance 4 in the container 3 is not particularly limited as long as it is a material that reacts with water to generate hydrogen, but lithium, potassium, calcium, sodium, magnesium, aluminum, which is a metal having a high ionization tendency, and silicon At least one metal material selected from the group consisting of zinc, and alloys mainly composed of these elements can be suitably used. In the case of an alloy, metal components other than the main element are not particularly limited.
- the main body refers to a substance that is contained in an amount of 80% by weight or more, more preferably 90% by weight or more based on the entire alloy.
- the metal material described above is a substance that hardly reacts with water at room temperature, but can easily exothermic reaction with water when heated.
- “normal temperature” is a temperature in the range of 20 to 30 ° C.
- the average particle size of these metal materials is preferably 0.1 ⁇ m or more and 100 ⁇ m or less, and more preferably 0.1 ⁇ m or more and 50 ⁇ m or less.
- the shape of these metal materials is not particularly limited, but for example, a substantially spherical shape (including a true spherical shape), a rugby ball shape, a scale shape, and the like can be suitably used.
- the reaction between the metal material and water can be promoted. It is preferable because it is possible.
- a hydrophilic oxide alumina, silica, titania, magnesia, zirconia, zeolite, zinc oxide and the like can be used.
- a heat generating material that is a material other than the hydrogen generating material 4 and generates heat by reacting with water.
- a heat generating material a material that reacts with water to become a hydroxide or a hydrate, a material that generates heat with water and generates hydrogen, and the like can be used. These substances may be used alone or in combination of two or more.
- the water supply pipe 6 and the hydrogen outlet pipe 8 are provided with an attaching / detaching mechanism, and the attaching / detaching mechanism connects the container 3 to the hydrogen outlet pipe 8 and the fuel cell 10 connected thereto, or the water cell. It can be separated from the storage tank 1.
- the hydrogen generating substance 4 accommodated in the container 3 is changed into a reaction product and loses the ability to generate hydrogen. For this reason, when the ratio of the hydrogen generating substance 4 that has reacted with water to become a reaction product becomes higher, further hydrogen generation becomes difficult.
- the container 3 is separated together with the hydrogen generating substance 4 having a high internal reaction rate by an attaching / detaching mechanism (not shown) and replaced with the container 3 containing the new hydrogen generating substance 4 to continuously continuously. Hydrogen can be produced.
- the water storage tank 1 since the water 2 in the water storage tank 1 is reduced by reacting with the hydrogen generating substance 4, the water storage tank 1 is also provided with a similar attachment / detachment mechanism, and a container in which the new hydrogen generating substance 4 is accommodated. At the same time as replacing 3, it is preferable to remove the water storage tank 1 and replace it with a water storage tank 1 containing a new amount of water 2.
- the material and shape of the container 3 are not particularly limited as long as the container 3 can store the hydrogen generating material 4 that generates hydrogen by exothermic reaction with the water 2.
- a material or shape that does not allow water 2 or hydrogen to leak from other than the water supply port 7 and the hydrogen outlet 9 is preferable.
- a specific material of the container a material that hardly permeates water and hydrogen and does not break even when heated to about 100 ° C. is preferable.
- a metal such as aluminum, iron, and stainless steel, polyethylene (PE), Resins such as polypropylene (PP) can be used.
- a prismatic shape, a cylindrical shape, or the like can be adopted.
- the reaction product produced by the reaction of the hydrogen generating substance 4 with the water 2 is usually larger in volume than the hydrogen generating substance 4. Therefore, the container 3 can be deformed in accordance with the reaction between the hydrogen generating material 4 and the water 2 so that it does not break when the volume of the built-in material accompanying the generation of the reaction product occurs.
- the material of the container 3 is more preferably a resin such as PE or PP among the materials exemplified above.
- a filter may be installed in the hydrogen lead-out pipe 8 or the hydrogen lead-out port 9 provided in the lid 3b of the container 3 so that the water 2 and the hydrogen generating substance 4 in the container 3 do not flow outside.
- a filter having a property of allowing gas to pass but difficult to pass liquid and solid is preferable.
- porous polytetrafluoroethylene (PTFE) gas-liquid separation membrane, polypropylene (PP) non-woven fabric, etc. can be used.
- the pump 5 provided in the water supply pipe 6 stores water at a predetermined supply speed for a predetermined supply time according to a control signal from the control unit 11.
- Water 2 in the tank 1 is supplied into the container 3.
- the pump 5 is a general electric pump.
- a micro pump such as a tube pump, a diaphragm pump, or a syringe pump can be used, but is not limited thereto.
- the specific configuration is not limited.
- the pump 5 may be provided with a function of detecting the amount of water 2 actually supplied from the water storage tank 1 to the container 3, and this detection information may be fed back to the control unit 11.
- the hydrogen produced by the reaction between the hydrogen generating substance 4 and the water 2 in the container 3 is led out from the hydrogen outlet 9 provided in the container 3 through the hydrogen outlet pipe 8.
- the derived hydrogen is sent to a device that uses the hydrogen generated by the hydrogen generator 100 of the present embodiment, for example, the fuel cell 10 in the case of FIG.
- the container 3 can be provided with a detection means (not shown) for detecting the reaction state between the hydrogen generating substance 4 and the water 2.
- a detection means for detecting the reaction state between the hydrogen generating substance 4 and the water 2.
- a temperature sensor is preferable, and a known temperature detecting means such as a thermocouple or a thermistor can be used.
- the control unit 11 controls the pump 5 based on the control signal for hydrogen generation input from the operation unit 12 in the hydrogen generator 100 of the present embodiment, and the amount of water 2 supplied to the hydrogen generating material 4, That is, control is performed so that a predetermined amount of hydrogen is generated by adjusting the supply rate and the supply time.
- control unit 11 is preferably configured by a programmable control device such as a microcomputer or a microprocessor, but can also be configured by an electronic circuit or the like.
- the operation unit 12 that instructs the control unit 11 to generate hydrogen is a user interface unit that inputs an instruction to start power generation to the fuel cell system 200.
- a switch, a touch panel, or the like can be used as the operation unit 12.
- the operation unit 12 may be one in which a user directly inputs an operation instruction, or uses a power generated by the fuel cell 10 as a power source, and switch signals of various devices are directly input to the operation unit 12. You can also.
- the remaining amount management device 13 that is the remaining amount management means receives a signal for controlling the operation of the pump 5 that is the water supply means that is output from the control unit 11 and a signal that indicates the actual operation state of the pump 5. Then, the amount of water 2 supplied from the water storage tank 1 to the container 3 which is a hydrogen generating means is detected. Then, the remaining amount management device 13 calculates the amount of hydrogen generated by the reaction between the hydrogen generating material 4 accommodated in the container 3 and the water 2 based on the amount of water 2 supplied. Further, the remaining amount management device 13 uses the total amount of hydrogen that can be generated by the hydrogen generating material 4 accommodated in the container 3 and the amount of hydrogen generated so far from the container 3 that is a hydrogen generating unit. Estimate the remaining amount of hydrogen that can be produced. Since it has such a function, it is preferable to use a programmable control device such as a microcomputer for the remaining amount management unit 13 as well as the control unit 11.
- a programmable control device such as a microcomputer for the remaining amount
- the remaining amount of hydrogen estimated by the remaining amount management device 13 is displayed on the display unit 14 and transmitted to the user.
- the display unit 14 of the hydrogen generator 100 according to the present embodiment is not limited to the case where the display unit 14 has a dedicated display terminal such as a liquid crystal display that displays the remaining amount of hydrogen in the hydrogen generator 100 as shown in FIG.
- the remaining amount information may be displayed on a display terminal that displays the power output of the fuel cell 10, or the remaining amount may be displayed on an operation terminal of a portable device that uses the fuel cell 10 as a battery. It doesn't matter.
- the outer surface of the main body 3a of the container 3 is covered with a heat insulating material, or a heater for heating the main body 3a of the container 3 is provided.
- a heat insulating material or a heater for heating the main body 3a of the container 3 is provided.
- the illustration and description in FIG. 1 are omitted.
- the hydrogen generating material 4 can contain a heat generating material.
- the hydrogen lead-out pipe 8 is separated by a gas-liquid separation unit for separating hydrogen led out from the container 3 and unreacted water, and further by a gas-liquid separation unit. It is more preferable to provide means for returning the water to the water storage tank 1.
- the hydrogen generating substance 4 and the water 2 react in the container 3 the unreacted water 2 may blow out from the hydrogen outlet pipe 8 to the outside of the container 3 as a mixture with hydrogen.
- the mixture of water and hydrogen discharged from the container 3 is separated into water (liquid) and hydrogen (gas), and the separated water is stored in water. It can be returned to the tank 1.
- the substantial amount of water supplied can be reduced, and the amount of water 2 stored in the water storage tank 1 can be reduced.
- the volume and weight of the entire hydrogen generator 100 can be reduced and the hydrogen generator 100 can be made compact.
- the fuel cell 10 is a well-known solid polymer fuel cell that reacts with oxygen using hydrogen as a fuel.
- a polymer electrolyte membrane fuel cell PEMFC
- PEMFC polymer electrolyte membrane fuel cell
- the fuel cell 10 includes a plurality of cells each including an electrolyte and a pair of electrodes (a positive electrode and a negative electrode) sandwiching the electrolyte, thereby forming a stack.
- a solid polymer electrolyte is used as the electrolyte.
- Oxygen gas (positive electrode active material) in the air flowing in through the air inflow portion 15 is supplied to the positive electrode, and hydrogen (negative electrode active material) generated by the hydrogen generator 100 is supplied to the negative electrode.
- hydrogen positive electrode active material
- the generated electric power is output from the output terminal 16 of the fuel cell 10 to a portable device or the like.
- the illustration and description about the detail of the structure and the mechanism of electric power generation are abbreviate
- the configuration of the electrolyte or the like used in the fuel cell 10 is not limited to the one exemplified above.
- FIG. 2 shows an operation of integrating the amount of water supplied to the container 3 that is a hydrogen generation unit in the remaining amount management device 13 of the hydrogen generation device 100 according to the present embodiment.
- the control unit 11 supplies power to the pump 5.
- the pump 5 starts to operate by supplying power from the control unit 11 and supplies the water 2 stored in the water storage tank 1 to the container 3 that is a hydrogen generation unit.
- the water 2 supplied through the water supply pipe 6 by the pump 5 and the hydrogen generating substance 4 react to generate hydrogen.
- the generated hydrogen is supplied to the fuel cell 10 through the hydrogen outlet pipe 8.
- the fuel cell 10 performs a power generation operation using hydrogen supplied from the hydrogen generator 100 and air (oxygen) taken from the air inflow portion 15.
- the control unit 11 supplies the water 2 supplied to the container 3 so that the fuel cell 10 can continuously generate hydrogen in an amount sufficient for stable power generation to the pump 5. To control. In particular, in a state where stable hydrogen generation can be performed, if there is no problem assuming that the supply amount of water supplied to the container 3 is constant, the control unit 11 sets the amount of water supplied by the pump 5 to be constant. Control is performed.
- the remaining amount management device 13 monitors an instruction signal from the control unit 11 to the pump 5 and monitors the operation of the pump 5 at the same time or as necessary. And the water quantity information regarding the quantity of the water which the pump 5 supplied to the container 3 is grasped
- the information regarding the supplied water amount for example, the actual total water supply amount itself calculated by integrating the supplied water amount and the supply time, which is the amount of water supplied per unit time, can be mentioned.
- FIG. 2 shows the relationship between the actual change in water supply and the total water supply integrated.
- FIG. 2A shows a change in the amount of supplied water per unit time, that is, a change in the supply speed, and
- FIG. 2A shows a change in the amount of supplied water per unit time, that is, a change in the supply speed
- water supply starts from time T1, and water is supplied at a predetermined supply speed L1 until T2.
- the total water supply amount shown in FIG. 2B increases from T1 to T2 at a constant rate.
- the supply of water is stopped between T2 and T3, and there is no change in the total amount of supplied water shown in FIG.
- the supply at the supply speed L2 is performed from T3 to T4, and the integrated total supply water amount is again at a constant rate as shown in FIG. 2 (b). Increase with.
- water is supplied at a higher supply speed L3, and the total amount of water accumulated as shown in FIG. 2 (b). Increases with a greater slope.
- the remaining amount management device 13 can obtain the water amount information of the amount of water supplied at a predetermined supply speed and a predetermined supply time by integrating the speed and time, and by repeating this, The remaining amount management device 13 can integrate and calculate the total amount of water supplied to the container 3. Then, if the integrated value of the amount of water supplied is A, and the required amount of water when all the hydrogen generating substance 4 reacts to generate hydrogen is B, it is generated in the container 3 which is the hydrogen generating part of the hydrogen generating device 100. The remaining amount (%) of hydrogen that can be obtained can be obtained by (1 ⁇ A / B) ⁇ 100, and this remaining amount is displayed on the display unit 14 as, for example,% display.
- the remaining amount of hydrogen generated in the hydrogen generator 100 calculated by the remaining amount management device 13 is calculated. The amount becomes the remaining battery level of the fuel cell 10 as it is.
- the case where the water amount information of the supplied water performed by the remaining amount management device 13 is grasped by the integrated value of the amount of water actually supplied to the container 3 has been described.
- the grasping of the water amount information in the management device 13 is not limited to this method.
- the water supplied to the container 3 is managed by managing only the operation time of the pump 5. It is possible to grasp water volume information. In this case, the remaining amount management device 13 needs to have only one index “time”, and it is necessary to manage two indexes “time” and “supply speed”, compared to the above case. Thus, the amount of supplied water can be detected more easily.
- the pump 5 is an electric pump as described above, there is a correlation between the magnitude of the voltage applied to the pump 5 and the amount of water supplied per unit time. Can grasp the water amount information based on the integrated value of the voltage applied to the pump 5, that is, the integrated result of the voltage value and the time when the voltage value is applied.
- the index to be managed by the remaining amount management device 13 is voltage information that can be grasped as a numerical value and can be easily subjected to processing such as calculation.
- the amount of generated hydrogen is measured, such as a flow meter that is a means for detecting the flow rate of the generated hydrogen and a pressure gauge that measures the hydrogen pressure. Therefore, the amount of hydrogen generated in the hydrogen generator can be calculated from the amount of supplied water without adding a detection means for the purpose. Based on the calculated water supply amount, the remaining amount of hydrogen that can be generated by the hydrogen generator 100 can be easily calculated and estimated. Furthermore, in the fuel cell system 200 of the present embodiment, the remaining amount of the fuel cell 10 can be measured from the remaining amount of hydrogen generated by the hydrogen generator 100.
- the hydrogen generating apparatus 300 is a fuel cartridge 17 in which a container 3 that is a hydrogen generating unit that contains a hydrogen generating substance that reacts with water to generate hydrogen is detachable. This is different from the hydrogen generator 100 in the first embodiment.
- FIG. 3 is a block diagram showing a schematic configuration of a fuel cell system 400 including the hydrogen generator 300 according to the present embodiment.
- the fuel cell system 400 of the present embodiment includes a container 3 that is a hydrogen generation unit that contains a hydrogen generating substance, and a memory 18 that can record the amount of hydrogen generated in the container 3 and can read and write data.
- the fuel cartridge 17 is different from the first embodiment.
- Other members constituting the hydrogen generator 300 for example, the water storage tank 1, the electric pump 5 that is a water supply means, the operation unit 12, the display unit 11, and the like are shown in FIG. Detailed description of each member having the same configuration as that of the apparatus 100 is omitted.
- the structure of the water storage tank 1 and the container 3 is also the same structure as the hydrogen generator 100 of 1st Embodiment shown in the said FIG. 1, it does not represent as sectional drawing in FIG.
- the container 3 of the hydrogen generator 300 in this embodiment can be easily attached and detached as the fuel cartridge 17.
- the container 3 can be separated by the attaching / detaching mechanism (not shown) provided in the water supply pipe 6 and the hydrogen outlet pipe 8.
- the fuel cartridge 17 is a concept indicating a unit that can be frequently and easily replaced by a user.
- the memory 18 included in the fuel cartridge 17 records the integrated value of the amount of water supplied to the container 3 in which the hydrogen generating substance is stored, and is composed of, for example, an EEPROM (electrically erasable / readable memory).
- Various types can be used in which the unit 11 can write the integrated amount of supplied water as appropriate, and the controller 11 can read the integrated amount of supplied water as appropriate.
- the control unit 11 when receiving the power generation start instruction from the operation unit 12, the control unit 11 reads the accumulated water amount supplied to the container 3 of the fuel cartridge 17 from the memory 18 of the fuel cartridge 17. Then, the ratio of the hydrogen generating substance that has already reacted with water is calculated in light of the information on the amount of the hydrogen generating material accommodated in the container 3. Further, in accordance with the calculated amount of the hydrogen generating substance that has already reacted with water, a pump 5 that is a water supply means is used to supply an appropriate amount of water to the container 3 in order to quickly generate hydrogen. In addition, a driving signal for supplying water with a predetermined amount of water is given. Further, the amount of water supplied by the pump 5 is calculated from the supply speed and supply time, the integrated amount of water supplied to the container 3 is updated, and this is written in the memory 18.
- FIG. 4 is a flowchart showing the operation of the fuel cell system according to the present embodiment.
- the water supply amount A indicates an appropriate water supply amount when the cumulative amount of water supplied to a container that is a hydrogen generation unit containing a hydrogen generating substance is 0 or smaller than a predetermined threshold.
- the water supply amount B indicates an appropriate water supply amount when the cumulative amount of water supplied to the hydrogen generation unit containing the hydrogen generating substance is large.
- the water supply amount A ⁇ water supply amount B.
- water supply amount A and water supply amount B are the material of the hydrogen generating material, the capacity of the container 3 as the hydrogen generating part, the shape and environmental temperature of the container 3, the performance of the fuel cell 10 and the performance of the fuel cell 10. It is a numerical value that is appropriately determined depending on the amount of power required for output.
- a power generation start command is given by the operation from the operation unit 12, and the operation of the hydrogen generator is started.
- step S ⁇ b> 101 the control unit 11 that has received the power generation start command reads the integrated amount of water supplied to the container 3 from the memory 18 of the fuel cartridge 17.
- step S102 the control unit 11 determines whether or not the read integrated water supply amount is less than a predetermined specified value.
- This predetermined specified value is defined as a threshold value that, when the value is exceeded, hydrogen generation is delayed when hydrogen production is started under conditions for starting a normal hydrogen generation reaction.
- the process proceeds to the next step S103, and the control unit 11 supplies water to the pump 5 with the water supply amount A. Communicate information on the amount of water that should be supplied.
- the pump 5 to which the information on the supply water amount is transmitted supplies water from the water storage tank 1 to the container 3 with the water supply amount A.
- step S102 when the integrated supply water amount read from the memory 18 is not less than the predetermined specified value (in the case of No), the process proceeds to step S104, and the control unit 11 supplies water to the pump 5. Information on the amount of water to be supplied that water should be supplied at the amount of supply B is transmitted. The pump 5 to which the information on the supply water amount is transmitted supplies water from the water storage tank 1 to the container 3 with the water supply amount B.
- step S105 the control unit 11 integrates the water supply amount from the water supply speed and the supply time based on the supply water amount information transmitted to the pump 5.
- control unit 11 stops the pump 5 and stops the supply of water (step S107).
- the control unit 11 stops the pump 5 and stops the supply of water (step S107).
- the hydrogen generation reaction between the water and the hydrogen generating substance in the container 3 is stopped, and the generation of power in the fuel cell 10 is ended when the hydrogen is not supplied.
- control unit 11 writes the calculated latest integrated water supply amount in the memory 18 (step S108), and a series of operations is completed.
- FIG. 5 and FIG. 6 show the relationship between the water supply amount and the hydrogen generation amount when the water supply amount control described in FIG. 4 is performed.
- FIG. 5 shows a case where the cumulative amount of water supplied to the container 3 which is a hydrogen generating unit is less than a predetermined specified value, that is, in a state where the reaction between the hydrogen generating substance and water has not progressed so much. The relationship between the amount of supplied water and the amount of hydrogen generation is shown.
- hydrogen begins to be generated at time t1.
- the amount A of water supplied at this time is an amount suitable for hydrogen generation in the hydrogen generating material when the reaction with water is not progressing so much.
- the amount of hydrogen generation has risen.
- FIG. 6 shows a case where the integrated water supply amount supplied to the container 3 is not less than a predetermined specified value, that is, in a state where the reaction between the hydrogen generating substance and water has progressed to some extent.
- a predetermined specified value that is, in a state where the reaction between the hydrogen generating substance and water has progressed to some extent.
- the relationship between the amount of water and the amount of hydrogen generation is shown.
- FIG. 6A shows the case of the fuel cell system according to the present embodiment.
- the water is supplied at a supply water amount B larger than the supply water amount A until t2.
- the generation of hydrogen is started at the time t3 even in the case of a hydrogen generating substance in which the reaction with water is delayed, particularly at the start of hydrogen generation.
- the so-called rise time which is the time for the generated hydrogen amount to reach a steady amount, is also accelerated.
- the amount of water supplied to the hydrogen generating material housed in the container that is frequently removed and attached to the fuel cartridge 17 can be ascertained. Generation can be performed easily and promptly.
- the method of generating hydrogen by supplying water to the hydrogen generating material as in the present invention when water is supplied at the same supply amount according to the history of how much water the hydrogen generating material has reacted with.
- the problem is that the rise time from the start of water supply to the generation of hydrogen differs, and if the amount of hydrogen generating material that has reacted with water exceeds a certain percentage, unreacted hydrogen generating material remains.
- hydrogen may not be stably generated.
- the problem related to the existing reaction amount of the hydrogen generating substance can be solved and quickly and stably.
- a hydrogen generator that can generate hydrogen for a long time can be realized. For this reason, the start of power generation from the fuel cell is accelerated, and a fuel cell system capable of generating power for a long time by effectively using the hydrogen generating material with a preferable water supply amount according to the state of the hydrogen generating material Can be provided.
- the amount of water supplied at the initial stage of hydrogen generation is set to the amount of water B suitable for the hydrogen generating material that has reacted with water.
- the control of the water supply amount in the fuel cell of the present invention is not limited to this example. Based on the total amount of water supplied to the hydrogen generating material, the water supply to the hydrogen generating material was stabilized at the start of water supply, depending on the characteristics of the reaction between water and the hydrogen generating material. It is possible to increase the amount of water supply until hydrogen generation is started. Thus, the present invention does not prevent the control unit 11 from appropriately controlling the amount of water supplied so that more optimal hydrogen generation conditions can be obtained.
- the example in which the integrated value of the amount of water supplied to the container 3 in which the hydrogen generating substance is stored is recorded in the memory 18, but is recorded in the memory 18 of the present embodiment.
- the information is not limited to the integrated value of the water amount, but the remaining amount of hydrogen that can be generated by the hydrogen generating substance contained in the container 3 estimated by the remaining amount management device 13 described in the first embodiment. It may be.
- the water supply means is controlled to supply the most appropriate supply rate and supply amount of water. It goes without saying that the function of performing can also be applied to the hydrogen generator of the first embodiment in which the hydrogen generator is not formed into a fuel cartridge.
- the condition for supplying water to the hydrogen generating material is changed based on the cumulative amount of water supplied to the hydrogen generating material obtained from the memory provided in the fuel cartridge.
- the time required for starting hydrogen generation can be shortened.
- the fuel cell system including the hydrogen generator of the present invention and the fuel cell using the hydrogen generated by the hydrogen generator as a fuel has been described. Is not limited to those that produce hydrogen as fuel for fuel cells. For example, it can be generally used as a hydrogen generator for generating hydrogen to be used or used in various devices such as one that generates hydrogen stored in a hydrogen storage alloy.
- the hydrogen generator of the present invention can be widely used industrially as a hydrogen generator capable of calculating the remaining amount of hydrogen that can be generated.
- the fuel cell system including the hydrogen generator and a fuel cell using hydrogen as a fuel can be widely used for various power sources including a power source for small portable devices.
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Abstract
Description
図1は、本発明の第1の実施形態にかかる燃料電池システムの概略構成を示すブロック図である。
次に、本発明の水素発生装置とこれを用いた燃料電池システムの第2の実施形態について、図3を用いて説明する。
Claims (7)
- 水との反応により水素を発生する水素発生物質を収容した水素発生部と、
前記水素発生部に水を供給する水供給手段と、
前記水供給手段を制御して前記水素発生部への水の供給量を調節する水供給量制御手段と、
前記水供給手段または前記水供給量制御手段から得られる、前記水素発生部へ供給された水の水量情報から、前記水素発生部が発生させることができる水素量の残量を推定する残量管理手段とを備えたことを特徴とする水素発生装置。 - 前記残量管理手段が、前記水素発生部に供給された水の総量から前記水素発生部が発生させることができる水素量の残量を推定する請求項1に記載の水素発生装置。
- 前記残量管理手段が、前記水供給手段の動作時間から前記水素発生部が発生させることができる水素量の残量を推定する請求項1に記載の水素発生装置。
- 前記水供給手段が電気を動力とするものであって、前記残量管理手段が、前記水供給手段に印加された電圧の積算値から前記水素発生部が発生させることができる水素量の残量を推定する請求項1に記載の水素発生装置。
- 前記水素発生部として、前記水素発生物質を収容した着脱可能な燃料カートリッジを備え、
前記燃料カートリッジは、供給された水量または発生させることができる水素量の残量を記憶するメモリ部を有する請求項1から4のいずれか1項に記載の水素発生装置。 - 前記水供給量制御手段が、前記水素発生部へ供給された水の水量情報に基づいて、前記水供給手段による水の供給量を制御する請求項1から5のいずれか1項に記載の水素発生装置。
- 請求項1から6のいずれか1項に記載の水素発生装置と、
前記水素発生装置で生成された水素を用いて発電を行う燃料電池とを備えたことを特徴とする燃料電池システム。
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CN2009801342198A CN102137810A (zh) | 2008-09-02 | 2009-08-31 | 氢产生装置以及具备该氢产生装置的燃料电池系统 |
US13/061,301 US20110159385A1 (en) | 2008-09-02 | 2009-08-31 | Hydrogen generator and fuel cell system including the same |
JP2010503151A JPWO2010026945A1 (ja) | 2008-09-02 | 2009-08-31 | 水素発生装置、およびそれを備えた燃料電池システム |
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JP (1) | JPWO2010026945A1 (ja) |
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JP2017074790A (ja) * | 2016-12-07 | 2017-04-20 | 利仁 曽根 | Icチップ、交換部品および装置 |
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US9301460B2 (en) * | 2011-02-25 | 2016-04-05 | The Toro Company | Irrigation controller with weather station |
JP7029268B2 (ja) * | 2017-10-16 | 2022-03-03 | 株式会社デンソー | 燃料電池システム |
US11383975B2 (en) | 2020-05-25 | 2022-07-12 | Silican Inc. | Composite for generating hydrogen |
CN113620237A (zh) * | 2021-07-23 | 2021-11-09 | 昆明理工大学 | 基于钠-空气电池的循环制氢方法及装置 |
CN114520348A (zh) * | 2022-01-05 | 2022-05-20 | 哈尔滨工程大学 | 一种基于氢气水合物供氢方式的水下燃料电池系统 |
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- 2009-08-31 US US13/061,301 patent/US20110159385A1/en not_active Abandoned
- 2009-08-31 KR KR1020117004994A patent/KR20110033955A/ko active IP Right Grant
- 2009-08-31 JP JP2010503151A patent/JPWO2010026945A1/ja active Pending
- 2009-08-31 CN CN2009801342198A patent/CN102137810A/zh active Pending
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CN102137810A (zh) | 2011-07-27 |
JPWO2010026945A1 (ja) | 2012-02-02 |
US20110159385A1 (en) | 2011-06-30 |
KR20110033955A (ko) | 2011-04-01 |
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