WO2023054347A1 - Système de génération d'hydrogène et système de génération d'électricité - Google Patents

Système de génération d'hydrogène et système de génération d'électricité Download PDF

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Publication number
WO2023054347A1
WO2023054347A1 PCT/JP2022/035905 JP2022035905W WO2023054347A1 WO 2023054347 A1 WO2023054347 A1 WO 2023054347A1 JP 2022035905 W JP2022035905 W JP 2022035905W WO 2023054347 A1 WO2023054347 A1 WO 2023054347A1
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Prior art keywords
hydrogen
generator
generation system
generated
hydrogen peroxide
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PCT/JP2022/035905
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English (en)
Japanese (ja)
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友和 戸澤
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株式会社カネカ
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/01Hydrogen peroxide
    • C01B15/027Preparation from water
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/01Hydrogen peroxide
    • C01B15/037Stabilisation by additives
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/04Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/06Production 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/06Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H01M8/0656Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/12Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte

Definitions

  • the present invention relates to a hydrogen generation system and a power generation system.
  • Patent Document 1 a photocatalyst that decomposes water with sunlight to generate hydrogen is attracting attention.
  • the method of producing hydrogen raw materials using photocatalysts can generate hydrogen without emitting carbon dioxide by receiving sunlight and applying a voltage to the photocatalyst, so it has a lower environmental impact than the conventional method of producing hydrogen using fossil fuels. is small.
  • the amount of hydrogen that can be generated by photocatalysts is not sufficient compared to conventional hydrogen production methods that use fossil fuels, and further improvements in the amount of hydrogen generated have been desired.
  • an object of the present invention is to provide a hydrogen generation system that can generate hydrogen with higher efficiency than before and a power generation system that can reduce the amount of fossil fuel used compared to conventional power generation systems.
  • One aspect of the present invention for solving the above problems is a first hydrogen generator for generating hydrogen and hydrogen peroxide, and a hydrogen peroxide-containing solution containing hydrogen peroxide generated by the first hydrogen generator. and a storage device for storing the hydrogen produced by the first hydrogen generator and the hydrogen produced by the second hydrogen generator.
  • hydrogen and hydrogen peroxide are generated by the first hydrogen generator, and the hydrogen peroxide generated by the first hydrogen generator is decomposed by the second hydrogen generator to generate hydrogen.
  • Hydrogen can be generated more efficiently than when hydrogen is generated only by the hydrogen generator.
  • the first hydrogen generator has a first photocatalyst electrode and includes a first hydrogen generator that photolyzes the first electrolytic solution to generate hydrogen and hydrogen peroxide.
  • hydrogen and hydrogen peroxide can be generated by light energy, so the environmental load can be suppressed.
  • a more preferable aspect is that the first electrolytic solution is water.
  • the first hydrogen generator has a solution generator that adds a stabilizer to the hydrogen peroxide generated in the first hydrogen generator to form the hydrogen peroxide-containing solution. is.
  • hydrogen peroxide is stabilized, making it easier to supply and transport the hydrogen peroxide-containing solution.
  • the stabilizer contains at least one selected from phosphoric acid, calcined sodium phosphate, 8-oxyquinoline, and acetanilide.
  • the stabilizer forms a stabilizing complex with a large stability constant with hydrogen peroxide, so the hydrogen peroxide-containing solution is easily stabilized.
  • the second hydrogen generator has a second photocatalyst electrode and a second hydrogen generator that photolyzes the hydrogen peroxide-containing solution to generate hydrogen.
  • One aspect of the present invention is a power generation system comprising the hydrogen generation system described above and a fuel cell module using hydrogen as a fuel, and supplying hydrogen stored in the hydrogen generation system to a fuel electrode of the fuel cell module. is.
  • One aspect of the present invention includes a first hydrogen generator that generates hydrogen and hydrogen peroxide, and a second hydrogen generator that decomposes a hydrogen peroxide-containing solution containing hydrogen peroxide generated by the first hydrogen generator to generate hydrogen. 2. It has a hydrogen generator, a storage device, and a fuel cell module, and supplies hydrogen generated by the first hydrogen generator and hydrogen generated by the second hydrogen generator to the fuel electrode of the fuel cell module. , is the power generation system.
  • hydrogen generation system of the present invention hydrogen can be generated with higher efficiency than conventional systems. According to the power generation system of the present invention, it is possible to reduce the amount of fossil fuel used compared to the conventional power generation system, and to suppress the environmental load.
  • FIG. 1 is a block diagram conceptually showing a power generation system according to a first embodiment of the present invention
  • FIG. FIG. 2 is an explanatory diagram of the power generation system in FIG. 1, where (a) is a model diagram schematically showing a first hydrogen generating section, and (b) is a model diagram schematically showing a second hydrogen generating section. .
  • the power generation system 1 of the first embodiment of the present invention includes, as main constituent members, a first hydrogen generator 2, a second hydrogen generator 3, a storage device 5, and a fuel cell module 6. , and a gas supply device 7, which are connected by pipes or the like.
  • the first hydrogen generator 2, the second hydrogen generator 3, and the storage device 5 constitute a hydrogen generation system 8, which is capable of generating hydrogen.
  • the first hydrogen generator 2 includes a first hydrogen generator 10 and a solution generator 11, as shown in FIG.
  • the first hydrogen generator 10 is a part that generates hydrogen and hydrogen peroxide from the first electrolytic solution 23 by light energy such as sunlight, supplies the generated hydrogen to the storage device 5, and generates hydrogen peroxide. can be supplied to the solution generation unit 11 .
  • the hydrogen peroxide to be supplied to the solution generation unit 11 may be supplied to the solution generation unit 11 in a liquid state, or may be supplied to the solution generation unit 11 in a gaseous state. As shown in FIG.
  • the first hydrogen generating unit 10 includes, as main constituent members, a first electrolytic cell 20, a first photocatalyst electrode 21, a first counter electrode 22, a first electrolytic solution 23, A first auxiliary power supply 25 is provided.
  • the first hydrogen generating unit 10 has a first photocatalyst electrode 21 and a first counter electrode 22 immersed in a first electrolytic solution 23 in a first electrolytic bath 20 , and the first photocatalyst electrode 21 and the first counter electrode 22 are immersed outside the first electrolytic bath 20 .
  • a first auxiliary power supply 25 is electrically connected between the first counter electrodes 22 .
  • the first photocatalyst electrode 21 is an anode electrode that receives light such as sunlight to oxidize the first electrolytic solution 23 to generate hydrogen peroxide.
  • the first photocatalyst electrode 21 is obtained by laminating a first photocatalyst 31 on a first conductive substrate 30 as shown in FIG. 2(a).
  • the first conductive substrate 30 is not particularly limited as long as it has conductivity.
  • a transparent conductive oxide substrate in which a transparent conductive oxide is laminated on a transparent substrate, a metal substrate, etc. can be used.
  • the first photocatalyst 31 is not particularly limited as long as it has photocatalytic activity in the hydrogen peroxide generation reaction.
  • tungsten trioxide (WO3 ) catalyst a bismuth vanadate ( BiVO4 ) catalyst, a tin oxide ( SnO2 ) catalyst, a titanium oxide ( TiO2 ) catalyst, or the like can be used.
  • BiVO4 bismuth vanadate
  • SnO2 tin oxide
  • TiO2 titanium oxide
  • the first counter electrode 22 is a cathode electrode that forms a pair with the first photocatalyst electrode 21 and reduces the first electrolytic solution 23 to generate hydrogen.
  • the first counter electrode 22 is not particularly limited as long as it has conductivity, and for example, a platinum electrode, a gold electrode, a silver electrode, or the like can be used.
  • the first electrolytic solution 23 is an electrolytic solution that generates hydrogen by reduction and generates hydrogen peroxide by oxidation, and is specifically a solution containing water. Water or the like can be used as the first electrolytic solution 23, and an electrolyte such as sodium bicarbonate may be added to the first electrolytic solution 23 from the viewpoint of promoting the reaction.
  • the first auxiliary power supply 25 applies a voltage so that the potential difference between the first photocatalyst electrode 21 and the first counter electrode 22 generated by light reception by the first photocatalyst electrode 21 falls within a predetermined range. It is an auxiliary power supply.
  • the first auxiliary power supply 25 is not particularly limited as long as it can apply a voltage between the first photocatalyst electrode 21 and the first counter electrode 22, but from the viewpoint of environmental load, it is preferably a solar cell. .
  • the solution generator 11 is a part that adds a stabilizer to the hydrogen peroxide generated in the first hydrogen generator 10 to generate a hydrogen peroxide-containing solution containing hydrogen peroxide.
  • the stabilizer is not particularly limited as long as it forms a compound with hydrogen peroxide that is more stable than hydrogen peroxide.
  • Stabilizers that can be used include, for example, phosphoric acid, calcined sodium phosphate, 8-oxyquinoline, and acetanilide.
  • the solution generator 11 of this embodiment adds phosphoric acid to the hydrogen peroxide generated by the first hydrogen generator 10 to generate a hydrogen peroxide-containing solution.
  • the second hydrogen generator 3 includes a second hydrogen generator 40 as shown in FIG.
  • the second hydrogen generator 40 is a part that generates hydrogen from the second electrolytic solution 53 by light energy such as sunlight, and supplies the generated hydrogen to the storage device 5 .
  • the second hydrogen generating unit 40 includes, as main constituent members, a second electrolytic cell 50, a second photocatalyst electrode 51, a second counter electrode 52, a second electrolytic solution 53, A second auxiliary power supply 55 is provided.
  • the second hydrogen generating part 40 has a second photocatalyst electrode 51 and a second counter electrode 52 immersed in a second electrolytic solution 53 in a second electrolytic bath 50 , and the second photocatalyst electrode 51 and the second counter electrode 52 are immersed in the second electrolytic bath 50 .
  • a second auxiliary power supply 55 is electrically connected between the second counter electrodes 52 .
  • the second photocatalyst electrode 51 is a cathode electrode that reduces the second electrolytic solution 53 by receiving light such as sunlight to generate hydrogen.
  • the second photocatalyst electrode 51 is obtained by laminating the second photocatalyst 61 on the second conductive substrate 60 as shown in FIG. 2(b).
  • the second conductive base material 60 is not particularly limited as long as it has conductivity, and for example, a carbon substrate or the like can be used.
  • the second photocatalyst 61 is not particularly limited as long as it has photocatalytic activity in the decomposition reaction of hydrogen peroxide.
  • a metal-free catalyst supporting (GQDs) can be used.
  • the second counter electrode 52 is an anode electrode that forms a pair with the second photocatalyst electrode 51 and oxidizes the second electrolytic solution 53 .
  • the second counter electrode 52 is not particularly limited as long as it has conductivity, and for example, a platinum electrode, a gold electrode, a silver electrode, or the like can be used.
  • the second electrolytic solution 53 is an electrolytic solution that generates hydrogen by reduction, and is a hydrogen peroxide-containing solution that is generated and supplied by the solution generation unit 11 .
  • the second electrolytic solution 53 of the present embodiment is a hydrogen peroxide-containing solution obtained by adding phosphoric acid to hydrogen peroxide.
  • the second auxiliary power supply 55 is not particularly limited as long as it can apply a voltage between the second photocatalyst electrode 51 and the second counter electrode 52, but from the viewpoint of environmental load, it is preferably a solar cell. .
  • the storage device 5 temporarily stores the hydrogen produced by the first hydrogen generator 2 and the hydrogen produced by the second hydrogen generator 3, as shown in FIG.
  • the storage device 5 has a supply amount adjusting unit that adjusts the amount of hydrogen supplied to the fuel cell module 6, and can supply hydrogen to the fuel electrode of the fuel cell according to the hydrogen demand of the fuel cell module 6. It's becoming
  • the fuel cell module 6 includes a fuel cell having a fuel electrode and an air electrode, and generates electrical energy from hydrogen supplied from the storage device 5 to the fuel electrode and oxygen supplied from the gas supply device 7 to the air electrode. is taken out.
  • a fuel cell for example, a polymer electrolyte fuel cell (PEFC), a phosphoric acid fuel cell (PAFC), a solid oxide fuel cell (SOFC), or the like can be used.
  • PEFC polymer electrolyte fuel cell
  • PAFC phosphoric acid fuel cell
  • SOFC solid oxide fuel cell
  • the gas supply device 7 is a device that supplies an oxidizing gas to the air electrode of the fuel cell module 6, specifically an oxygen supply device that supplies oxygen.
  • the first hydrogen generator 2 when the first photocatalyst electrode 21 of the first hydrogen generating unit 10 is irradiated with light such as sunlight from a light source such as the sun, the light energy causes the first photocatalyst electrode 21 to Hydrogen peroxide is generated from the first electrolytic solution 23 at , and hydrogen is generated from the first electrolytic solution 23 on the first counter electrode 22 .
  • the hydrogen peroxide generated by the first photocatalyst electrode 21 is taken out in a liquid form from the bottom (lower part) of the first electrolytic cell 20 and supplied to the solution generator 11 .
  • a gaseous by-product (for example, oxygen) generated in the first photocatalyst electrode 21 is discharged to the outside of the first electrolytic cell 20 from the top (upper portion) of the first electrolytic cell 20 .
  • the hydrogen generated at the first counter electrode 22 is taken out from the top (upper portion) of the first electrolytic cell 20 and supplied to the storage device 5 where it is stored.
  • the hydrogen peroxide supplied to the solution generation unit 11 is added with phosphoric acid as a stabilizer in the solution generation unit 11, and supplied as a hydrogen peroxide-containing solution to the second hydrogen generation unit 40 of the second hydrogen generation device 3. be.
  • the hydrogen peroxide-containing solution supplied to the second hydrogen generation unit 40 is used as the second electrolytic solution 53 in the second hydrogen generation unit 40, and is used in the second hydrogen generation device 3 as the second electrolyte of the second hydrogen generation unit 40.
  • the photocatalyst electrode 51 is irradiated with light such as sunlight from a light source such as the sun, hydrogen is generated from the hydrogen peroxide-containing solution on the second photocatalyst electrode 51 by the light energy.
  • the hydrogen generated by the second photocatalyst electrode 51 is supplied to the storage device 5 and stored in the storage device 5 .
  • the hydrogen generated by the first hydrogen generator 2 and the second hydrogen generator 3 is mixed in the storage device 5 and supplied to the fuel electrode of the fuel cell module 6 at a constant supply amount.
  • the hydrogen supplied from the storage device 5 reacts with the oxygen supplied from the gas supply device 7 to become water in the fuel cell module 6, and part or all of the reaction energy is taken out as electrical energy.
  • hydrogen and hydrogen peroxide are generated by the first hydrogen generator 2, and the hydrogen peroxide generated by the first hydrogen generator 2 is decomposed by the second hydrogen generator 3. Therefore, hydrogen can be generated more efficiently than when hydrogen is generated only by the first hydrogen generator 2 .
  • the first hydrogen generator 10 photolyzes the first electrolytic solution 23 to generate hydrogen and hydrogen peroxide. That is, since the first electrolyte solution 23 can be decomposed by light energy to generate hydrogen and hydrogen peroxide, environmental load can be suppressed.
  • the hydrogen generation system 8 of the present embodiment since water is used as the first electrolytic solution 23, the amount of impurities mixed in the hydrogen and hydrogen peroxide generated in the first hydrogen generation unit 10 can be suppressed. .
  • the stabilizer is added to the hydrogen peroxide generated in the first hydrogen generation unit 10 in the solution generation unit 11 to form the hydrogen peroxide-containing solution.
  • Hydrogen oxide is stabilized, making it easier to supply and transport hydrogen peroxide-containing solutions. That is, even when the second hydrogen generator 3 is located away from the solution generator 11, hydrogen peroxide can be easily transported as a hydrogen peroxide-containing solution.
  • hydrogen is generated by photolyzing the hydrogen peroxide-containing solution in the second hydrogen generation section 40, so the environmental load can be suppressed.
  • both the first hydrogen generator 2 and the second hydrogen generator 3 generate hydrogen using light energy, hydrogen can be generated without using fossil fuels. , the environmental load can be reduced.
  • the hydrogen stored in the storage device 5 of the hydrogen generation system 8 is supplied to the fuel electrode of the fuel cell module 6, power can be generated without using fossil fuels, and environmental Load can be suppressed.
  • the first hydrogen generator 10 extracts hydrogen peroxide from the bottom of the first electrolytic cell 20 by utilizing the difference between the gaseous state and the liquid state. Therefore, substantially only hydrogen peroxide can be supplied to the solution generator 11 without being mixed with hydrogen without providing a separation membrane or the like for separating hydrogen peroxide from hydrogen. As a result, the device structure can be simplified. Further, according to the hydrogen generation system 8 of the present embodiment, hydrogen peroxide is taken out from the bottom of the first electrolytic cell 20, so even if oxygen is generated as a by-product on the first photocatalyst electrode 21, oxygen Substantially only hydrogen peroxide can be supplied to the solution generator 11 without being mixed with the hydrogen peroxide. As a result, mixing of hydrogen and oxygen in the second hydrogen generator 40 of the second hydrogen generator 3 can be suppressed.
  • the first hydrogen generator 10 of the first hydrogen generator 2 and the storage device 5 are connected by a pipe, and the hydrogen generated in the first hydrogen generator 10 is transferred to the storage device 5 via the pipe.
  • the hydrogen generated in the first hydrogen generation unit 10 is temporarily stored in a storage member such as a hydrogen storage alloy tank or a hydrogen cylinder, the storage member is transported to the storage device 5, and hydrogen is supplied from the storage member to the storage device 5.
  • the solution generator 11 of the first hydrogen generator 2 and the second hydrogen generator 40 of the second hydrogen generator 3 are connected by a pipe, and the hydrogen peroxide-containing solution is supplied via the pipe.
  • the hydrogen peroxide-containing solution may be manually supplied from the solution generator 11 to the second hydrogen generator 40 .
  • the hydrogen peroxide-containing solution is temporarily stored in the transport tank in the solution generation unit 11 of the first hydrogen generator 2, and the transport tank is transported to the second hydrogen generation unit 40 of the second hydrogen generator 3 and transported.
  • the hydrogen peroxide-containing solution may be supplied from the tank to the second hydrogen generator 40 .
  • the second hydrogen generator 40 of the second hydrogen generator 3 and the storage device 5 are connected by a pipe, and the hydrogen generated in the second hydrogen generator 40 is transferred to the storage device 5 via the pipe.
  • the hydrogen generated by the second hydrogen generation unit 40 is temporarily stored in a storage member such as a hydrogen storage alloy tank or a hydrogen cylinder, the storage member is transported to the storage device 5, and hydrogen is supplied from the storage member to the storage device 5.
  • the storage device 5 and the fuel cell module 6 are connected by a pipe, and the hydrogen stored in the storage device 5 is supplied to the fuel electrode of the fuel cell module 6 through the pipe.
  • the invention is not limited to this.
  • Hydrogen generated in the storage device 5 is temporarily stored in a storage member such as a hydrogen storage alloy tank or a hydrogen cylinder, the storage member is transported to the fuel cell module 6, and hydrogen is supplied from the storage member to the fuel cell module 6. good too.
  • the gas supply device 7 supplies oxygen as an oxidizing gas to the air electrode of the fuel cell module 6, but the present invention is not limited to this.
  • the type of oxidizing gas supplied by the gas supply device 7 is not particularly limited as long as it functions in the air electrode of the fuel cell module 6 .
  • all the hydrogen peroxide generated in the first hydrogen generator 10 of the first hydrogen generator 2 is supplied to the solution generator 11, but the present invention is not limited to this. Part of the hydrogen peroxide generated in the first hydrogen generator 10 may be used for other purposes.
  • auxiliary power sources 25 and 55 are used as the auxiliary power sources 25 and 55 in the above-described embodiments, the present invention is not limited to this.
  • the auxiliary power sources 25, 55 may be other power sources.
  • first auxiliary power supply 25 and the second auxiliary power supply 55 are provided separately in the above embodiment, the present invention is not limited to this.
  • the first auxiliary power supply 25 and the second auxiliary power supply 55 may be a shared auxiliary power supply.
  • the hydrogen generated in the first hydrogen generation unit 10 and the hydrogen generated in the second hydrogen generation unit 40 are supplied to the fuel cell module 6 via the storage device 5, but the present invention It is not limited to this.
  • the hydrogen generated by the first hydrogen generator 10 and the hydrogen generated by the second hydrogen generator 40 may be directly supplied to the fuel cell module 6 without going through the storage device 5 .
  • hydrogen peroxide is extracted from the bottom of the first hydrogen generating section 10, but the present invention is not limited to this. Hydrogen peroxide may be extracted from the side portion of the first hydrogen generating portion 10 as long as the first electrolytic solution 23 is filled from the bottom portion of the first hydrogen generating portion 10 .
  • hydrogen and by-product gases such as oxygen are extracted from the top of the first hydrogen generating section 10, but the present invention is not limited to this.
  • By-product gases such as hydrogen and oxygen may be taken out from the side of the first hydrogen generator 10 as long as they are above the liquid surface of the first electrolytic solution 23 .
  • each constituent member can be freely replaced or added between the embodiments.

Abstract

La présente invention concerne : un système de génération d'hydrogène qui peut générer de l'hydrogène avec un rendement plus élevé que jamais auparavant ; et un système de génération d'électricité permettant de réduire la quantité d'un combustible fossile à utiliser par comparaison avec celle dans les systèmes de génération d'électricité classiques. Le système de génération d'hydrogène comprend : un premier dispositif de génération d'hydrogène pour générer de l'hydrogène et du peroxyde d'hydrogène ; un second dispositif de génération d'hydrogène pour décomposer une solution contenant du peroxyde d'hydrogène produite dans le premier dispositif de génération d'hydrogène et contenant du peroxyde d'hydrogène pour produire de l'hydrogène ; et un dispositif de stockage, le système de génération d'hydrogène étant conçu de telle sorte que l'hydrogène généré dans le premier dispositif de génération d'hydrogène et l'hydrogène généré dans le second dispositif de génération d'hydrogène soient stockés dans le dispositif de stockage.
PCT/JP2022/035905 2021-09-28 2022-09-27 Système de génération d'hydrogène et système de génération d'électricité WO2023054347A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105970247A (zh) * 2016-07-19 2016-09-28 李国岭 一种制备过氧化氢用单晶半导体氧化物阳极及电解槽
JP2017166067A (ja) * 2016-03-09 2017-09-21 公立大学法人首都大学東京 水分解光電気化学セル、並びにそれを用いた水素製造装置及び過酸化水素製造装置
WO2018074456A1 (fr) * 2016-10-20 2018-04-26 国立大学法人大阪大学 Procédé de production de peroxyde d'hydrogène, kit de production de peroxyde d'hydrogène, photocatalyseur polymère organique utilisé dans ledit procédé et kit, et procédé de production dudit photocatalyseur polymère organique
CN108591822A (zh) * 2018-05-02 2018-09-28 赫普科技发展(北京)有限公司 一种分布式电解制氢加氢站
JP2021522156A (ja) * 2018-05-02 2021-08-30 イシラブズ サス 水素キャリア化合物

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017166067A (ja) * 2016-03-09 2017-09-21 公立大学法人首都大学東京 水分解光電気化学セル、並びにそれを用いた水素製造装置及び過酸化水素製造装置
CN105970247A (zh) * 2016-07-19 2016-09-28 李国岭 一种制备过氧化氢用单晶半导体氧化物阳极及电解槽
WO2018074456A1 (fr) * 2016-10-20 2018-04-26 国立大学法人大阪大学 Procédé de production de peroxyde d'hydrogène, kit de production de peroxyde d'hydrogène, photocatalyseur polymère organique utilisé dans ledit procédé et kit, et procédé de production dudit photocatalyseur polymère organique
CN108591822A (zh) * 2018-05-02 2018-09-28 赫普科技发展(北京)有限公司 一种分布式电解制氢加氢站
JP2021522156A (ja) * 2018-05-02 2021-08-30 イシラブズ サス 水素キャリア化合物

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DISSELKAMP R S: "Energy storage using aqueous hydrogen peroxide", ENERGY STORAGE USING AQUEOUS HYDROGEN PEROXIDE, vol. 22, no. 4, 22 September 2011 (2011-09-22), pages 2771 - 2774, XP002659677, DOI: 10.1021/EF800050T *
SHIRAISHI, Y. ET, NATURE COMMUNICATIONS, vol. 11, no. 3386, 7 July 2020 (2020-07-07), DOI: 10.1038/s411467-020-17216-2 *

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