WO2013083828A1 - Dispositif et procédé pour le stockage d'énergie dans des bâtiments, et pour l'alimentation en énergie de bâtiments - Google Patents

Dispositif et procédé pour le stockage d'énergie dans des bâtiments, et pour l'alimentation en énergie de bâtiments Download PDF

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Publication number
WO2013083828A1
WO2013083828A1 PCT/EP2012/074909 EP2012074909W WO2013083828A1 WO 2013083828 A1 WO2013083828 A1 WO 2013083828A1 EP 2012074909 W EP2012074909 W EP 2012074909W WO 2013083828 A1 WO2013083828 A1 WO 2013083828A1
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WO
WIPO (PCT)
Prior art keywords
chemical reactor
substrate
hydrogen
fuel cell
energy
Prior art date
Application number
PCT/EP2012/074909
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German (de)
English (en)
Inventor
Wolfgang Arlt
Original Assignee
Friedrich-Alexander-Universität Erlangen-Nuernberg
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
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Application filed by Friedrich-Alexander-Universität Erlangen-Nuernberg filed Critical Friedrich-Alexander-Universität Erlangen-Nuernberg
Priority to EP12799174.3A priority Critical patent/EP2789047A1/fr
Publication of WO2013083828A1 publication Critical patent/WO2013083828A1/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
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • H01M8/04216—Reactant storage and supply, e.g. means for feeding, pipes characterised by the choice for a specific material, e.g. carbon, hydride, absorbent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M16/00—Structural combinations of different types of electrochemical generators
    • H01M16/003—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers
    • 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
    • H01M8/0656—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/40—Fuel cell technologies in production processes

Definitions

  • the present invention relates to an arrangement for supplying power to or
  • Oxidation of oxygen is widely known and occurs in a variety of ways.
  • An essential and critical aspect of using fuel cells is the storage or storage of hydrogen, which is known to be extremely explosive in the presence of oxygen.
  • containers of compressed hydrogen are difficult to seal and hydrogen explodes or detonates with pressure waves> 1000 m / s in almost every 4-75% mixture with air.
  • the minimum ignition energy is lower than other gaseous substances.
  • Hydrogen is classified as highly flammable (F +) and can be found at high levels
  • the hydrogen incorporated by means of hydrogenation can subsequently be recovered from the hydrogenated product by regeneration of the aromatic substance in the reverse reaction merely by raising the temperature and / or reducing the hydrogen pressure.
  • N-ethylcarbazole N-ethylcarbazole
  • H12-NEC perhydro form
  • the hydrogen storage density of this reaction is about twice as high in volume as in a hydrogen-filled 700 bar tank.
  • the method and the arrangement are aimed at the energy supply of buildings and at the same time the buffering of electrical networks, in which electricity is fed from unstable renewable energies. These have full load hours from about 1000 h (photovoltaic) to 3500 h (wind energy), compared to 8600 h / a that is little. To the same
  • Home area is a common technology, and depending on location, roof area and orientation, plants up to 30 kW peak power are common practice.
  • a cost effective way photovoltaic electricity or other electricity in the medium term, i. for a few days to a few weeks or to save is therefore an essential step to enable further growth of photovoltaic and renewable electricity generation.
  • Electricity store to compensate for peaks or rapid waste, e.g. In the case of cloud cover, it may be just as important to contribute as the selection of suitable cell technology, which, for example, does not lead to complete shutdown of the module in the case of partial shading.
  • Described fuel cell system which is a complete, closed ensemble, and a PEM fuel cell and a PEM electrolyzer with each other united. This meets the demand for a simple and cost-effective system.
  • the power supply of this system takes place with the help of available renewable energy sources, such as solar and / or wind energy or an excess electrical energy.
  • the structure of the proposed fuel cell system allows a long
  • the PEM electrolyzer requires distilled water to operate.
  • the system automatically regulates the water balance required by the PEM electrolyzer from a dedicated reservoir.
  • the described Brennstoffze II system also includes a hydrogen storage formed in the form of a metal hydride reservoir.
  • This memory is made of specific metal alloys and allows the intermediate storage of gaseous hydrogen.
  • the metal hydride reservoir can be close to the hydrogen with hydrogen
  • metal hydride storage as a hydrogen storage is not very suitable for use in private households. They are expensive, often inefficient and have a number of intrinsic safety issues.
  • the arrangement includes the energy supply of buildings, in particular of isolated single buildings such as private houses, holiday homes, commercial real estate or production buildings,
  • At least one energy-generating plant in particular a photovoltaic plant, for providing an electric current, and / or at least one connection to the public grid,
  • At least one electrolyzer for the production of hydrogen from water using the electrical power from the power generating plant
  • At least one first chemical reactor for the at least partial hydrogenation of at least one substrate with an extended ⁇ -conjugated system below
  • At least one storage tank for storing the substrate at least partially hydrogenated in the first chemical reactor
  • At least one second chemical reactor for the at least partial dehydrogenation of the at least partially hydrogenated substrate produced in the first chemical reactor and stored in the storage tank with liberation of hydrogen
  • At least one fuel cell for the oxidation of the hydrogen released in the second chemical reactor with the release of energy At least one fuel cell for the oxidation of the hydrogen released in the second chemical reactor with the release of energy.
  • the arrangement may comprise an electrical power connection to an external power network for providing an alternating current.
  • the arrangement may include a rectifier for rectifying the provided alternating current.
  • the energy released by the fuel cell may be in the form of electrical power, such as DC and heat.
  • the arrangement may comprise an inverter for generating an alternating current from a direct current generated by the fuel cell.
  • the inverter may be a third-party or grid-guided inverter or be a self-commutated inverter and / or include a shutdown of the system in power disturbances.
  • the inverter may include diodes, thyristors, triacs, transistors or IGBTs.
  • the arrangement may include a plurality of fuel cells connected in series to form a stack to obtain a higher voltage.
  • Provision of heat and electricity in the house to increase the efficiency such as the use of waste heat of the above-described conversions to
  • Bypass hydrogen storage but still allow the coupling with the photovoltaic or other renewable energy sources.
  • By the conversion of the hydrogen and conversion by means of a fuel cell can thus be a closed circuit.
  • the present arrangement thus makes it possible to ensure the autonomous
  • a low-energy substrate is converted into its high-energy form, in which e.g. from sunlight by photovoltaic, but also from other suitable renewable energy sources, electrical energy is generated, which in turn is used to generate hydrogen and oxygen with splitting of water.
  • the hydrogen formed is then used to hydrogenate the low-energy form of the
  • Particularly suitable low-energy substrates are polycyclic, aromatic compounds with a
  • Fuel cell generates electrical energy and heat.
  • the advantage of the present arrangement and a method described below is that a building such as e.g. a private house renewable energy such as Photovoltaic but also decentralized wind energy stores and even through the
  • Heat conversion is heated.
  • the heat demand of the building is independent of other sources of energy.
  • a stand-alone building such as a building
  • a private house under
  • renewable energy such as Photovoltaic but also wind energy
  • the energy demand and the energy supply can be covered independently and independently of other energy sources and thus a power grid.
  • Another advantage is that, unlike previously known methods and models, the hydrogen factor, which is essential for energy production, need not be present in large quantities, but must be present in a chemical substance safely and without pressure in an existing infrastructure, such as e.g. in the tanks of an oil heater can be stored unlimited in time. Using existing infrastructure reduces the cost of the system.
  • the at least one electrolyzer is connected to the at least one fuel cell via the first chemical reactor, the storage tank and the second chemical reactor.
  • the individual cells and reactors of the present arrangement are connected to suitable connecting lines for the transfer of hydrogen and the low-energy or high-energy form of the aromatic hydrocarbon.
  • the lines for the transport of hydrogen are preferably made of gas-tight and pressure-resistant materials.
  • the at least one low energy substrate having an extended TT conjugated system is selected from the group consisting of polycyclic aromatic hydrocarbons, polycyclic heteroaromatic hydrocarbons, ⁇ -conjugated organic polymers, or a combination thereof.
  • the at least one low-energy substrate having an extended ⁇ -conjugated system is selected from a group containing fused heteroaromatic hydrocarbons with N, S or O heteroatom, wherein the
  • heteroatoms substituted or unsubstituted are preferably ring systems with C6 to C30, preferably C8 to C20, in particular C12.
  • the heteroatoms of the condensed hydrocarbons are substituted by at least one alkyl group, at least one aryl group, at least one alkenyl group, at least one alkynyl group, at least one cycloalkyl group and / or at least one cycloalkenyl group, substitutions of the heteroatoms with Ci-C 30 alkyl , Preferably C 1 -C 1 0 alkyl, in particular with C 2 -C 5 alkyl are advantageous and may contain further heteroatoms.
  • N-ethylcarbazole, N-n-propylcarbazole or N-isopropylcarbazole is used as the low-energy substrate suitable for the storage of hydrogen.
  • substituted when used with “alkyl”, “alkenyl”, “aryl”, etc., refers to the substitution of one or more atoms, usually H atoms, by one or more of the following substituents, preferably by one or two of the following substituents: halogen, hydroxy, protected hydroxy, oxo, protected oxo, C 3 -C 7 cycloalkyl, bicyclic alkyl, phenyl, naphthyl, amino, protected amino, monosubstituted amino, protected monosubstituted amino, disubstituted amino, guanidino, protected guanidino, a heterocyclic ring, substituted heterocyclic ring, imidazolyl, indolyl, pyrrolidinyl, CrCl 2 alkoxy, C 1 -C 12 acyl, Ci-Ci 2 acyloxy, acryloyloxy, nitro, carboxy, protected carboxy, carbamoyl
  • Examples of C 2 -C 6 alkynyls include ethynyl, propynyl, 2-butynyl, 2-pentynyl, 3-pentynyl, 2-hexynyl, 3-hexynyl, 4-hexynyl, vinyl and di- and tri- ines of straight ones and branched alkyl chains.
  • aryl refers to aromatic hydrocarbons, for example, phenyl, benzyl, naphthyl, or anthryl.
  • Substituted aryl groups are aryl groups which are substituted with one or more substituents as defined above, as defined above.
  • cycloalkyl includes the groups cyclopropyl, cyclobutyl, cyclopentyl,
  • cycloalkenyl includes the groups cyclopentenyl, cyclohexenyl, cycloheptenyl and cyclooctenyl.
  • the low-energy substrate with an extended ⁇ -conjugated system in the first chemical reactor at a temperature between 50 and 180 ° C, preferably 80 and 150 ° C and a pressure between 2 and 200 bar, preferably 10 to 100 Bar in the presence of a suitable noble metal catalyst is at least partially hydrogenated.
  • a suitable noble metal catalyst include the element ruthenium.
  • a low-temperature polymer electrolyte membrane fuel cell is used as the fuel cell.
  • PEM low-temperature polymer electrolyte membrane fuel cell
  • These fuel cells can be used not only in their actual function for hydrogen oxidation, wherein the oxygen required for the hydrogen oxidation is obtained from the air, but can also be operated in reverse function as an electrolyzer, wherein the water required for the electrolysis based solely on the humidity becomes. However, it is also possible that the required water from the fuel cell is recycled or taken from a tank.
  • the at least one electrolyzer is preferably operated as an inversely operated low temperature polymer electrolyte membrane fuel cell (PEM).
  • the preferably used storage tank for the intermediate storage of the high-energy and possibly low-energy form of the hydrocarbon used has the configuration and construction of conventionally used conventional heating oil tanks.
  • the present arrangement enables the implementation of a method for
  • the electric current of the fuel cell may be a direct current. Further, the method may include the step of inverting that produced by the fuel cell
  • the inverter can be a power-driven or grid-controlled inverter or a self-commutated inverter.
  • the inverter may include diodes, thyristors, triacs, transistors or IGBTs.
  • the method may use multiple stacked fuel cells to obtain a higher voltage. Further, the method may include the step of shutting down the device or power storage in the event of power failure.
  • the hydrogen produced in the electrolyzer is used without intermediate storage to at least partially hydrogenate the at least one substrate having an extended ⁇ -conjugated system in the first chemical reactor.
  • the at least partially hydrocarbon to be hydrogenated is preferably present in liquid form in the first chemical reactor. However, it would also be conceivable to use hydrocarbons in a solid state of matter.
  • the heat produced in the at least partial hydrogenation of the at least one substrate with an expanded ⁇ -conjugated system in the first chemical reactor is introduced into a heating system of the stand-alone device or the building.
  • the at least partially hydrogenated substrate with an extended ⁇ -conjugated system is dehydrogenated in the second chemical reactor with heat input.
  • the heat required for the dehydration is preferably from the heating system of the stand-alone building or a heat storage, but may also be supplied, as needed, from another, external source, such as e.g. be supplied direct sunlight.
  • the substrate dehydrated in the second chemical reactor is recycled from the second chemical reactor via the storage tank into the electrolyzer. So there is a complete recycling of the substances used. Since the substrate used is not consumed, very long periods of use or a large number of recycling cycles can be sought.
  • the water formed in the fuel cell during the hydrogen oxidation is transferred into the electrolyzer. It is also conceivable that the water formed in the fuel cell is only partially recycled.
  • the heat released in the fuel cell and in the first chemical reactor functioning as the hydrogenation reactor is preferably introduced into the heating system of the building and the released electrical current into the public electrical network or into the network of the individual building.
  • the oxygen required for hydrogen oxidation in the fuel cell is preferably from the outside, i. outside the building, fed into the fuel cell in the form of air or pure oxygen.
  • the installation of oxygen-generating devices is not necessary. But it is also conceivable that in the electrolyzer during the
  • Hydrogenysis formed oxygen directly into the fuel cell.
  • Figure 1 is a schematic representation of an embodiment of the inventive arrangement.
  • FIG. 1 schematically shows a preferred embodiment of the arrangement according to the invention.
  • a photovoltaic system can be preferably used with several arranged on the roof of a building solar cell panels or the public network. These panels should preferably be arranged so be that a maximum yield of solar radiation is guaranteed.
  • the photovoltaic system 1 also enables the generation of direct current, with which risk-free hydrogen can be produced.
  • the produced direct current or rectified electricity is transferred to an electrolyzer 2 e.g. introduced a PEM electrolyzer, which is designed in the form of a backward acting as an electrolytic cell PEM fuel cell.
  • a PEM electrolyzer which is designed in the form of a backward acting as an electrolytic cell PEM fuel cell.
  • This dual function of the fuel cell simplifies and reduces the cost of the system. It is also possible to use a commercially available electrolysis cell and a separate fuel cell instead of a PEM electrolyzer.
  • the electrolysis is exothermic and the heat generated during the electrolysis can be detected in a building immediately, e.g. can be used for hot water supply or heating. In this respect, the efficiency of the electrolysis cells used is not crucial.
  • the hydrogen produced is immediately used without intermediate storage for the hydrogenation of N-ethylcarbazole or its partially hydrogenated high-energy counterparts.
  • a hydrogen storage may be added.
  • the tank contents 4 is pumped through a chemical reactor 3 and partially hydrogenated. Full hydrogenation is possible but not necessary.
  • the (partially) hydrogenated content of the storage tank 4 is passed through an endothermically operating dehydrogenation reactor 5, thereby releasing hydrogen.
  • This is stored in the fuel cell 6 e.g. a PEM fuel cell converted into electricity, water and heat.
  • the water is possibly ready for electrolysis, the heat is used to heat the dehydrogenation reactor and for domestic heat supply or heat supply to the building.
  • a thermal store can be charged (not shown in FIG. 1).
  • Figure 1 also shows an external power connector 9, with which the supply of external power is possible.
  • the external connection 9 also allows the recovery of excess energy in the power network of the house or in the public network.
  • the basis is a 120sqm house built to ENEV 2012 and one
  • a thermal store is used.
  • This example is based on identical conditions, but differs in that the house is not heated but cooled as in summer. Then the heat and part of the electricity is fed to an absorption chiller, which then releases the cold for domestic cooling.
  • This example is based on the same principles as Example 1 and 2, but is electricity.
  • This example is the case when electricity is traded, ie the profit is obtained by introducing electricity at favorable prices into the plant of FIG. 1 via line 9 and delivering it via line 9 at high prices.
  • the heat is not or only partially for home heating (as Example 1) or house cooling (as Example 2) usable, it can be stored or to the
  • Embodiment 4 The basis is a 120sqm house built to ENEV 2012 and one
  • Tank size of an oil heater In addition there is an electrical demand of 4065 kWh, so that the total energy requirement is 9165 kWh / a.
  • the present invention further relates to:
  • a method and a first arrangement for buffering excess electricity in buildings comprising: at least one electrical power connection to an external power grid or at least one power generating system (1), in particular a photovoltaic system, for providing an electrical current; at least one electrolyzer (2) for producing hydrogen from water using the electric power from the external power grid or the power plant (1); at least one first chemical reactor (3) for the at least partial hydrogenation of at least one substrate with an extended ⁇ -conjugated system below
  • At least one storage tank (4) for storing the at least partially hydrogenated substrate in the first chemical reactor (3); at least one second chemical reactor (5) for at least partially dehydrogenating the at least partially hydrogenated substrate produced in the first chemical reactor (3) and stored in the storage tank (4) with the release of hydrogen; and at least one fuel cell (6) for oxidizing the hydrogen released in the second chemical reactor (4) to release energy.
  • a fourth arrangement having the features of one of the preceding arrangements, characterized in that the at least one substrate with an extended ⁇ -conjugated system is selected from a group comprising condensed heteroaromatic
  • a fifth arrangement having the features of the fourth arrangement, characterized in that the fused heteroaromatic hydrocarbons ring systems with C6 to C30, preferably C8 to C20, in particular C12.
  • a sixth arrangement having the features of the fourth or fifth arrangement, characterized in that the heteroatoms are substituted by at least one alkyl group, at least one aryl group, at least one alkenyl group, at least one alkynyl group, at least one cycloalkyl group and / or at least one cycloalkylene group.
  • a seventh arrangement having the features of one to sixth arrangement, characterized in that the heteroatoms with Ci-C 30 alkyl, preferably Ci-Ci 0 alkyl, substituted fourth particular C 2 -C 5 alkyl.
  • An eighth arrangement having the features of one of the preceding arrangements, characterized in that N-ethylcarbazole, N-n-propylcarbazole, N-isopropylcarbazole are used as substrates with an extended ⁇ -conjugated system.
  • a ninth arrangement having the features of one of the preceding arrangements, characterized in that the substrate with an expanded ⁇ -conjugated system in the first chemical reactor (3) at a temperature between 50 and 180 ° C and a pressure between 2 and 200 bar in The presence of a suitable catalyst is at least partially hydrogenated.
  • a tenth arrangement having the features of one of the preceding arrangements, characterized in that the at least one fuel cell (6) has a
  • Low-temperature polymer electrolyte membrane fuel cell is and that of at least one electrolyzer (2) is a reverse-flow, low-temperature polymer electrolyte membrane fuel cell (PEM).
  • An eleventh arrangement having the features of one of the preceding arrangements, characterized in that in the at least one electrolyzer (2) at least one
  • Memory is stored.
  • the aforementioned arrangements comprising the steps of: providing an electrical current, preferably a direct current, from an external electrical network (9) or at least one renewable energy source (1), in particular a photovoltaic system;
  • Storage tank (4) and optionally storing the at least partially hydrogenated substrate in the storage tank (4); Transferring the at least partially hydrogenated substrate from the
  • a second method having the features of the first method characterized in that the hydrogen produced in the electrolyzer is used without intermediate storage for the at least partial hydrogenation of the at least one substrate with an extended TT-conjugated system in the first chemical reactor (3).
  • a third method having the features of the first or second method characterized in that in the at least partial hydrogenation of the at least one substrate with an expanded ⁇ -conjugated system in the first chemical reactor (3) resulting heat in a heating system or in the cooling system of the building
  • a fourth method having the features of one of the first to third methods, characterized in that the at least partially hydrogenated substrate is dehydrated with an expanded ⁇ -conjugated system in the second chemical reactor (5) under heat supply.
  • a fifth method with the features of the fourth method characterized in that the heat necessary for the dehydration from the heating system of the building or from a thermal storage is used.
  • a sixth method having the features of one of the first to fifth methods, characterized in that the substrate dehydrogenated in the second chemical reactor (5) from the second chemical reactor (5) via the storage tank (4) in the first chemical reactor (3) recycled becomes.
  • a seventh method having the features of one of the first to sixth methods, characterized in that the water formed in the fuel cell (6) during the hydrogen oxidation is transferred to the electrolyzer (2).
  • An eighth method having the features of one of the first to seventh methods, characterized in that in the absence of heating or cooling demand of the building a
  • thermal storage is installed for the accumulating heat.
  • a ninth method having the features of one of the first to eighth methods, characterized in that the heat released in the fuel cell (6) is introduced into the heating system and the released electrical current in the electrical network of the building or in an external power grid (9) ,
  • a tenth method having the features of one of the first to ninth methods characterized in that the oxygen required for hydrogen oxidation in the fuel cell (6) is externally supplied to the fuel cell (6) in the form of air.
  • An eleventh method having the features of the first to tenth methods characterized in that, if necessary, additional electric power from the fuel cell (6) is fed back into the external electrical network (9) and the financial gain not from the house heating or cooling but from fluctuating electricity prices.
  • a twelfth method having the features of one of the first to eleventh methods, characterized in that, if necessary, additional electric power from another
  • Power source (9) is fed into the electrical network (8) of the building.
  • the building may be a single building.

Abstract

L'invention concerne un dispositif pour l'alimentation en énergie de bâtiments, comprenant au moins un raccordement externe pour la fourniture d'un courant électrique, au moins un électrolyseur (2), pour la production d'hydrogène à partir de l'eau, en utilisant le courant électrique provenant du raccordement (9), au moins un premier réacteur chimique (3) pour une hydrogénation, au moins partielle, d'au moins un substrat, au moyen d'un système ττ-conjugué étendu, en utilisant l'hydrogène formé dans l'électrolyseur (2), au moins un réservoir de stockage (4), pour le stockage du substrat au moins partiellement hydrogéné dans le premier réacteur chimique (3), au moins un second réacteur chimique (5) pour une déshydrogénation, au moins partielle, du substrat au moins partiellement hydrogéné, produit dans le premier réacteur chimique (3) et stocké dans le réservoir de stockage (4), avec libération d'hydrogène, et au moins une pile à combustible (6) pour l'oxydation de l'hydrogène libéré dans le second réacteur chimique (4), avec libération d'énergie. L'invention concerne également un procédé pour l'alimentation en énergie, caractérisé en ce qu'on utilise le dispositif précité, l'énergie étant utilisée pour le chauffage ou le refroidissement du bâtiment. Dans le cas où le bâtiment n'a aucune demande en fourniture de chaleur ou de froid, on peut envisager en outre l'installation d'un accumulateur thermique. Le gain financier est obtenu grâce à l'accumulateur thermique et au stockage du courant électrique.
PCT/EP2012/074909 2011-12-10 2012-12-10 Dispositif et procédé pour le stockage d'énergie dans des bâtiments, et pour l'alimentation en énergie de bâtiments WO2013083828A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12799174.3A EP2789047A1 (fr) 2011-12-10 2012-12-10 Dispositif et procédé pour le stockage d'énergie dans des bâtiments, et pour l'alimentation en énergie de bâtiments

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DE102011121704.9 2011-12-10
DE102011121704A DE102011121704A1 (de) 2011-12-10 2011-12-10 Anordnung und Verfahren zur Energiespeicherung in Gebäuden

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WO2013083828A1 true WO2013083828A1 (fr) 2013-06-13

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Cited By (3)

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EP2764568B1 (fr) * 2011-10-09 2016-07-27 Hydrogenious Technologies GmbH Source d'énergie permettant de faire fonctionner des véhicules aquatiques
EP3415609A1 (fr) * 2017-06-13 2018-12-19 N-ERGIE Aktiengesellschaft Procédé d'accumulation et de stockage d'hydrogène
EP3415610A1 (fr) * 2017-06-13 2018-12-19 N-ERGIE Aktiengesellschaft Procédé de réaménagement d'une installation de biogaz

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013223591A1 (de) * 2013-11-19 2015-05-21 Hydrogenious Technologies Gmbh Anlage und Verfahren zum Speichern von Energie
DE102013223589B4 (de) * 2013-11-19 2016-11-17 Hydrogenious Technologies Gmbh Anlage und Verfahren zum Speichern von Energie
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DE102015201065A1 (de) 2015-01-22 2016-07-28 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Energieversorgung mit einem Reaktor zur Freisetzung von Wasserstoff aus flüssigen Verbindungen
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DE102021102123A1 (de) 2021-01-29 2022-08-04 N-ERGIE Aktiengesellschaft Verfahren zur Trocknung von Klärschlamm
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