EP4473598A2 - Energieversorgungseinrichtung - Google Patents
EnergieversorgungseinrichtungInfo
- Publication number
- EP4473598A2 EP4473598A2 EP23702985.5A EP23702985A EP4473598A2 EP 4473598 A2 EP4473598 A2 EP 4473598A2 EP 23702985 A EP23702985 A EP 23702985A EP 4473598 A2 EP4473598 A2 EP 4473598A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel cell
- cell units
- units
- supply device
- energy supply
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/249—Grouping of fuel cells, e.g. stacking of fuel cells comprising two or more groupings of fuel cells, e.g. modular assemblies
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
-
- 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
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04246—Short circuiting means for defective 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
- 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 invention relates to an energy supply device.
- the invention relates to an energy supply device with a plurality of fuel cell units arranged in parallel lines, each line having at least two fuel cell units or two groups of fuel cell units. It is advantageous that the strands are each connected to one another at a node via at least one cross-connector. Furthermore, it is advantageous that the junction points are formed between two fuel cell units of a train connected in series or between two groups of fuel cell units of a train.
- a fuel cell unit is in series with at least one other fuel cell unit and in parallel with at least one other fuel cell unit interconnected.
- a single group of fuel cell units is connected in series with at least one further group of fuel cell units and in parallel with at least one further group of fuel cell units. Problems of individual fuel cell units or groups of fuel cell units can advantageously be compensated for. There is no failure of the entire energy supply device or larger parts of the energy supply device.
- fuses or electrical switches are formed in the cross-connectors.
- the function of the electrical cross-connector can advantageously be activated or deactivated.
- fuses are a simple way of preventing destruction in the event of a fault.
- At least one, in particular all, of the fuses are in the form of bonding wires.
- Such a fuse is a simple and inexpensive way to secure the power supply system and its components.
- At least one group of fuel cell units has at least two fuel cell units that are connected in parallel and/or in series. Flexibility can advantageously be increased and the risk of failure reduced.
- An advantageous development is that at least one group of fuel cell units or at least one fuel cell unit has a serially arranged voltage converter, in particular a DC/DC converter. The voltages can advantageously be adjusted in this way.
- each cross-connector connects two nodes of two strands to one another.
- FIG. 2 shows schematically the electrical wiring of an energy supply device according to one embodiment
- FIG. 3 schematically shows the electrical wiring of an energy supply device according to a further development
- FIG. 4 shows the process sequence of a method for regulating the fuel cell units.
- the invention relates to an energy supply device 1.
- the energy supply device 1 comprises at least one Fuel cell device 10 and a plurality of fuel cell units 12.
- FIG. 1 shows the structure of a fuel cell device 10 by way of example.
- FIG. 2 shows the structure of an energy supply device 1 with six fuel cell units 12 as an example.
- FIG. 3 shows the structure of an energy supply device 1 with six groups of fuel cell units 12 as an example.
- Figures 2 and 3 are simplified in that only the electrical paths are shown schematically.
- the energy supply device 1 shown in FIGS. 2 and 3 also has additional processor units 14 in addition to the fuel cell units 12 .
- the processor units 14 are described in more detail below in FIG. As described below, the fuel cell units 12 and the processor units 14 can be arbitrarily combined to form the fuel cell device 10 . Also, a fuel cell device 10 can form a group of fuel cell units.
- the fuel cell device 10 comprises, for example, two fuel cell units 12. Preferably, more than the two fuel cell units 12 shown in FIG. 1 can be formed.
- the fuel cell units 12 are designed as fuel cell stacks which have a multiplicity of fuel cells, in the present case solid oxide fuel cells (SOFC).
- SOFC solid oxide fuel cells
- the fuel cell device 10 includes a large number of processor units 14.
- the number and scaling of the processor units 14 depends on the number of fuel cell units 12 and on the design and structure of the entire energy supply device 1.
- a “processor unit” 14 is intended in particular to mean a unit or component of the fuel cell device 10 or the Energy supply device 1 can be understood, which is not a fuel cell unit 12 .
- the processor units 14 are units for the chemical and/or thermal preparation and/or post-processing of at least one medium to be converted and/or converted in a fuel cell unit 12, such as an oxidation medium, in particular air and/or oxygen, and/or an exhaust gas and/or a fuel, preferably a combustible gas, in particular natural gas or hydrogen.
- One of the processor units 14 is a heat exchanger 18 arranged in an air supply 16 for heating an oxidizing medium, in particular air L containing oxygen, supplied to the fuel cell units 12.
- the oxidizing medium in particular the air L, for example in normal operation, is one Supplied to the cathode space 20 of the fuel cell units 12, while in each case an anode space 22 is supplied with reformed fuel RB, in this case hydrogen or natural gas.
- the reformed fuel RB is electrochemically converted by the participation of oxygen from the air L, with the generation of electricity and heat. Electrical energy is generated.
- the reformed fuel RB is generated by fuel B, in particular natural gas or hydrogen or methane or coal gas, being supplied to the fuel cell device 10 via a fuel supply 24, which fuel is reformed in a further processor unit 14, in the present case a reformer 26.
- fuel B in particular natural gas or hydrogen or methane or coal gas
- the fuel cell units 12 are connected on the exhaust gas side to a further processor unit 14 , in the present case to an afterburner 28 .
- Exhaust gas from the fuel cell units 12 is supplied to the afterburner 28, in the present case cathode exhaust gas KA via a cathode exhaust gas duct 30 and part of the anode exhaust gas AA via an anode exhaust gas duct 32.
- the cathode exhaust gas KA contains unused oxidation medium, in particular air L or unused oxygen.
- the anode off-gas AA may contain unreacted, reformed fuel RB and/or possibly non-reformed fuel B.
- the anode waste gas AA or any unreacted, reformed fuel RB contained therein and/or the non-reformed fuel B contained therein, is mixed with the cathode waste gas KA, or the oxygen contained therein Oxidizing medium, in particular the air L, burned, whereby additional heat can be generated.
- the hot exhaust gas A produced during the combustion in the afterburner 28 is discharged from the afterburner 28 via an exhaust gas duct 34 via a further processor unit 14, in the present case via a heat exchanger 36.
- the heat exchanger 36 is in turn fluidically connected to the reformer 26 so that heat is transferred from the hot exhaust gas A to the fuel B supplied to the reformer 26 . Accordingly, the heat of the hot exhaust gas A can be used for reforming the fuel B supplied in the reformer 26 .
- a further processor unit 14, in the present case the heat exchanger 18, is located downstream of the heat exchanger 36 in the exhaust gas duct 34, so that the remaining heat of the hot exhaust gas A can be transferred to the supplied oxidation medium, in particular air L in the air supply 16.
- the remaining heat of the hot exhaust gas can be used for preheating the supplied oxidation medium, in particular the air L in the air duct 16 .
- the fuel cell device 10 has a return 38 by means of which part of the anode exhaust gas AA can be branched off from the anode exhaust gas line 32 and fed to an anode recirculation circuit 40 .
- the anode waste gas AA that is branched off passes through a further processor unit 14, in the present case a further heat exchanger 39.
- the branched-off part of the anode waste gas AA can be returned or fed back to the respective anode space 22 of the fuel cell units 12 and/or the reformer 26, see above that the unreacted, reformed fuel RB possibly contained in the branched off anode waste gas AA can subsequently be converted in the fuel cell unit 12 and/or the unreformed fuel B possibly contained in the branched off anode waste gas AA can subsequently be reformed in the reformer 26.
- the efficiency of the fuel cell device 10 can be further increased.
- fresh fuel B can be admixed via the fuel feed line 24 to the anode exhaust gas AA that has been branched off and recirculated in the anode recirculation circuit 40 .
- heat can then be transferred from the branched off anode waste gas AA from the return line 38 to the fuel mixture produced by the admixture of the fresh fuel B in the anode recirculation circuit 40 for thermal treatment.
- the fuel cell device preferably has a heating element 44 for, in the present case additional, heating of the oxidation medium supplied to the fuel cell units 12, in particular air L in a bypass line 46, as a result of which the operating efficiency of the fuel cell device 10 is increased.
- the invention is not limited to solid oxide fuel cells. Rather, any fuel cells can be designed.
- the fuel cells can also be classified as alkaline fuel cell (AFC), low temperature polymer electrolyte fuel cell (NT-PEMFC), high temperature polymer electrolyte membrane fuel cell (HT-PEMFC), direct methanol fuel cell (DMFC), phosphoric acid fuel cell (PAFC), molten carbonate Fuel cell (MCFC) be running.
- AFC alkaline fuel cell
- N-PEMFC low temperature polymer electrolyte fuel cell
- HT-PEMFC high temperature polymer electrolyte membrane fuel cell
- DMFC direct methanol fuel cell
- PAFC phosphoric acid fuel cell
- MCFC molten carbonate Fuel cell
- the fuels used or the oxidizing medium differ accordingly.
- fuels are hydrogen, alcohols (ethanol, propanol, glycerine, methanol), methane, coal gas, ammonia reformate gas, especially methanol.
- oxidation media
- the process units 14 are adapted depending on the fuel cell used in the fuel cell unit 12 .
- the electrical wiring of an energy supply device 1 is shown schematically in FIG.
- the energy supply device 1 has, for example, three strands 50, 60, 70, each with two fuel cell units 12.
- the number of fuel cell units 12 is not limited to two per line.
- the fuel cell units 12 of a train 50, 60, 70 are connected to one another in series here, for example.
- the strands 50, 60, 70 are electrically connected in parallel to one another. According to the invention, any number of strands 50, 60, 70 can be selected. The number of fuel cell units 12 per strand can also be selected as desired.
- the fuel cell units 12 of a train 50, 60, 70 form a fuel cell device 10. Accordingly, one fuel cell device 10 per train, ie three fuel cell devices 10, are shown in FIG.
- a fuel cell device 10 can also have more or fewer than the two fuel cell units 12 indicated in FIG.
- the processor units 14 required by a fuel cell unit are adapted in terms of number, power and dimensions.
- Each fuel cell unit 12 preferably requires a large number of processor units 14 as shown in FIG.
- Individual processor units 14 can be designed and set up in such a way that they share a number of fuel cell units 12 .
- For example 1 shows two fuel cell units 12 and a large number of processor units 14 for supplying them.
- individual processor units 14 can supply several fuel cell units 12 at the same time.
- a single processor unit 14 can also supply fuel cell units 12 from more than one line 50 , 60 , 70 .
- a compressor 42 can be provided for two or more fuel cell units 12 .
- the air supply 16 can also be used for many, in particular all, fuel cell units 12 .
- the strands 50, 60, 70 are connected to one another via at least one cross-connector 90.
- Three cross-connectors 90′, 90′′, 90′′ are embodied as an example.
- the cross-connectors 90 connect two strands 50, 60, 70 each at one of the node points 92, which are formed between two serially arranged fuel cell units 12.
- the cross-connector 90' connects a node 92 of the first line 50 to a node 92 of the second line 60.
- the cross-connector 90' connects the first line 50 to the second line 60.
- the cross-connector 90" connects a node 92 of the second line 60 to a node 92 of the third line 70.
- the cross-connector 90" connects the second line 60 to the third line 70.
- the cross-connector 90''" connects a node 92 of the third line 70 to a node 92 of the first line 50.
- the cross-connector 90 ''' connects the third strand 70 to the first strand 50.
- the cross-connector 90''' is optional.
- the cross-connector 90'' is particularly necessary when the cross-connector 90 has a component.
- the cross-connector 90 establishes an electrical connection between two nodes 92, in particular strands 50, 60, 70.
- a matrix-like parallel and serial connection of the fuel cell units 12 preferably results. If one of the fuel cell units 12 falls, in particular due to maintenance, damage, aging, the energy supply device 1 can nevertheless continue to provide energy.
- the cross-connectors 90 has an additional electrical component 82 or an electrical circuit.
- the electrical component 82 can be in the form of a fuse, switch, diode or converter, preferably a voltage converter, or a combination thereof.
- a fuse and a diode or a fuse and a switch would preferably be possible.
- a diode would have to be installed in such a way that it opens in the desired direction of current flow and blocks in the opposite current direction.
- the fuse can preferably be designed as a bond fuse.
- the switch can be designed in particular as a thyristor, relay, contactor, pyro switch or semiconductor switch, in particular a transistor, preferably a field effect transistor, for example MosFet, JFet or bipolar transistor. It is also conceivable that a combination of different switches or fuses mentioned is formed. A parallel connection of several semiconductor switches, transistors, field effect transistors, MosFets, JFets or bipolar transistors is also conceivable.
- the electrical component is advantageously formed in all cross-connectors that would have the same potential without the electrical component. In particular, all cross-connectors that result in two fuel cell units 12 being connected in parallel.
- some or all strands 50, 60, 70 have at least one electrical component 80.
- a component 80 is preferably assigned to at least one fuel cell unit 12 .
- each fuel cell unit 12 is assigned a component 80 .
- the fuel cell unit 12 and the associated component 80 are in particular connected in series with one another.
- At least one electrical component is preferably formed between at least one, in particular all, nodes 92 (including nodes 92′) of a strand 50, 60, 70.
- the component 80 can be designed in particular as a fuse, switch, diode or converter. Inequalities between the fuel cell units can thus preferably be compensated for. Such inequalities occur, for example, when there are minimal temperature differences in the fuel cell units during start-up or shut-down operation. The inequalities lead in particular to different current strengths in the individual strands.
- the fuse can preferably be designed as a bond fuse.
- the switch can be designed in particular as a thyristor or semiconductor switch, preferably MosFet.
- the component 80 can preferably be in the form of a diode, semiconductor switch or relay.
- the individual fuel cell units 12 In the warm-up phase and the cool-down phase of the energy supply device 1, the individual fuel cell units 12 generally have different voltages and internal resistances. The reason for this is that the warm-up or cool-down process is usually not completely synchronous. The result of this is that the voltage of the fuel cell units 12 would differ from the voltage of a fuel cell unit 12 connected in parallel in the case of a non-parallel connection. However, since the voltage in parallel circuits is always the same without any interruption at 80 or 82, equalizing currents flow which can lead to damage, in particular cell oxidation or unwanted aging, of the fuel cell units 12. Current is prevented from flowing into the fuel cell units 12 in the reverse direction than it actually does is provided.
- the components 80 designed as diodes or corresponding switches, relays, thyristors, MosFets or the like prevent the flow of such compensating currents.
- the components 80 are each designed as voltage converters, in particular DC/DC converters. According to an advantageous development, at least one electrical component 80 per row can be omitted.
- Fuel cell units 12 leads. In addition, different performances can be compensated for when driving off and/or when driving off.
- a control unit which controls the components 80 .
- the control can take place as a function of detected defects or errors.
- faults or defects are, for example, a short circuit within the fuel cell unit, a reduction in the active anode or cathode area, a reduction in the cell voltage generated, an increase in the internal resistance.
- control unit can be designed, in particular continuously, to perform scenario calculations that check whether it makes sense to switch off individual strands 50, 60, 70 or fuel cell units 12 or groups of fuel cell units 12 according to one or more of the following criteria.
- a first criterion is that maximization the total electrical output of the entire energy supply device 1.
- a further criterion is the achievement of maximum efficiency, in particular with a predetermined target output.
- a further criterion is the achievement of maximum efficiency, in particular with a specified target output.
- Another criterion is the achievement of minimal aging, in particular individually for each fuel cell unit 12.
- Another criterion is the fulfillment of specifications (grid codes) for a rapid load change, in particular one or more fuel cell units 12 in partial load, in a specified time to enable a power increase or power reduction. Another criterion is continued operation of the system when a fuel cell unit 12 is deactivated.
- the electrical component 80 and/or 82 can be designed as a switch, in particular an electrical switch, preferably a semiconductor switch, for example a transistor. This allows the individual fuel cell units 12 to be electrically isolated between two nodes 92 . This has no direct effects on the other fuel cell unit 12.
- the energy supply device 1 When viewed mathematically, the energy supply device 1 according to FIG. 2 has two rows and 3 columns. The columns correspond to the strands. The rows are at the same voltage when there is a cross connector 90 but without an electrical component 82 thereon.
- FIG. 1 A further embodiment is shown in FIG. In contrast to the embodiment according to FIG. 2, individual fuel cell units 12 are replaced by groups 13 of fuel cell units 12 .
- each group 13 of fuel cell units 12 has two fuel cell units 12 by way of example.
- Each group 13 of fuel cell unit 12 could preferably form a fuel cell device 10 .
- Each group 13 of fuel cell units 12 can preferably also have more than two fuel cell units 12 .
- the groups 13' of fuel cell units 12 of the first row are connected to one another in series, for example.
- the fuel cell unit 12 of the group 13' of fuel cell unit 12 and the optional component 80 are connected in series between two nodes 92.
- the groups 13′′ of fuel cell unit 12 of the second row are connected to one another in parallel, for example.
- the fuel cell unit 12 of the group 13 ′′ of the fuel cell unit 12 and the optional component 80 are connected in series between two nodes 92 .
- a mixed, ie parallel and serial, connection is preferably also conceivable. At least four or more fuel cell units 12 per group 13 are preferably necessary for this purpose.
- individual fuel cell units 12 can be regulated in such a way that the current and voltage occurring between two nodes 92 are adjusted to the fuel cell units 12 connected in parallel.
- Such a rule is also referred to below as regulation.
- Processor units 14, which are used for regulation, are preferably designed separately for the individual fuel cell units 12 or groups of fuel cell units 12 to be regulated.
- the regulation 120 preferably takes place by appropriate activation 122 of a processor unit 14, in particular of a plurality of processor units 14.
- the method 100 and its method steps are explained in detail in FIG.
- the current that develops depends on the internal resistance of the fuel cell units 12 .
- the internal resistance depends, for example, on the temperature of the fuel cell unit 12, the aging of the fuel cell unit 12, the oxidation medium supplied and the fuel supplied.
- fuel cell units 12 with many locally adjacent fuel cell units 12 are additionally heated by them.
- a warmer fuel cell unit 12 has lower thermal losses.
- the fuel cell unit 12 when heated, has a low internal resistance. The low internal resistance leads to an increased current, which in turn leads to an increased temperature. A spiral can ensue.
- An optional converter 98 is implemented in the exemplary embodiments according to FIGS. This is preferably a DC/AC voltage converter, which converts the direct voltage generated by the fuel cell unit 12 into alternating voltage.
- This is preferably a DC/AC voltage converter, which converts the direct voltage generated by the fuel cell unit 12 into alternating voltage.
- the public power grids and most consumers work with an AC voltage.
- a further voltage converter 96 is preferably connected upstream of the optional converter 98 .
- the voltage converter 96 is a DC/DC converter.
- the further voltage converter 96 can be omitted if the components 80 themselves are in the form of voltage converters, in particular DC/DC converters.
- the voltage converter 96 is necessary in particular because a defined minimum voltage level is always required upstream of a DC/AC converter 98, so that the DC/AC converter 98 can convert 98 reasonably and efficiently into alternating current.
- the voltage converter 96 and additionally or alternatively the voltage converters that are formed at position 80 generate an intermediate circuit voltage 97 with a minimum necessary voltage level, so that the voltage converter 98 can work sensibly and/or efficiently.
- All components 80 are preferably of identical design.
- All components 82 are preferably of identical design.
- the components 80 and 82 can also have differences, but these are based on the fuel cell units 12 with which they are connected in series or in parallel.
- FIG. 1 A method 100 according to the invention is shown in FIG. 1
- a first method step 110 the current flowing between two nodes is determined. All streams are preferably determined.
- the determination 110 takes place in particular by measuring individual currents. The currents that were not measured can then be calculated from the measured currents as part of the determination.
- the currents are preferably determined using a shunt resistor.
- the shunt resistor can be arranged according to component 80 .
- the shunt resistor is arranged in series with the fuel cell unit or units 12 or the group of fuel cell units 12 .
- At least one fuel cell unit 12, in particular a plurality of fuel cell units 12, preferably all fuel cell units 12, is regulated.
- Regulating 120 includes changing, in particular increasing or reducing, the supply of a fuel and/or the supply of a fuel Oxidation medium and / or the heating of the supplied oxidizing medium and / or the heating of the fuel and / or the recirculation rate in the fuel cell unit to be regulated.
- regulating 120 a change in the current is achieved.
- the fuel cell units 12 react more sensitively to a change in the supply of fuel than to a change in the oxidation medium and/or the recirculation rate.
- Each fuel cell unit 12 is preferably regulated individually.
- Groups 13 of fuel cell units 12 are preferably regulated.
- the fuel cell units 12 are preferably regulated jointly between two nodes 92, 92'.
- the supply of air L can be regulated.
- a compressor 42 in the fuel supply 24 can regulate the supply of fuel B.
- a compressor 42 in the anode recirculation circuit 40 can regulate the recirculation rate of the anode exhaust gas AA.
- method step 120 depending on the string currents determined in method step 110, individual or multiple fuel cell units 12 are regulated.
- the regulation 120 in method step 120 preferably takes place in such a way that the streams adjust to one another.
- the currents are negligibly different.
- the flows are substantially equal.
- step 122 individual or multiple processor units 14 are activated.
- the activation 122 is a sub-method step of method step 120.
- step 116 the fuel cell units 12, which are regulated in method step 120, are selected.
- the fuel cell units 12 are selected that have a current that deviates from the other currents by a tolerance.
- the aging of individual fuel cell units 12 can also be determined.
- the selection 116 is then also made based on the aging of the fuel cell units 12.
- the selection 116 can be made depending on the position of the fuel cell unit 12 relative to other fuel cell units 12 .
- fuel cell units 12 that have many adjacent fuel cell units 12 tend to be warmer and thereby have a lower internal resistance.
- the fuel cell units 12 to be regulated are preferably selected whose determined currents deviate from a defined target current.
- the target current is preferably defined.
- the setpoint current is determined from the total current. To do this, the total current is divided by the number of strands 50, 60, 70.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022201058.2A DE102022201058A1 (de) | 2022-02-01 | 2022-02-01 | Energieversorgungseinrichtung |
| PCT/EP2023/052226 WO2023148135A2 (de) | 2022-02-01 | 2023-01-31 | Energieversorgungseinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4473598A2 true EP4473598A2 (de) | 2024-12-11 |
Family
ID=85158717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23702985.5A Withdrawn EP4473598A2 (de) | 2022-02-01 | 2023-01-31 | Energieversorgungseinrichtung |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4473598A2 (de) |
| CN (1) | CN118633185A (de) |
| DE (1) | DE102022201058A1 (de) |
| WO (1) | WO2023148135A2 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023205108A1 (de) | 2023-06-01 | 2024-12-05 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zum Überprüfen eines Sensors einer elektrochemischen Vorrichtung, Verfahren zur Überwachung einer elektrochemischen Vorrichtung, sowie elektrochemische Vorrichtung |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7491457B2 (en) * | 2002-08-16 | 2009-02-17 | Hewlett-Packard Development Company, L.P. | Fuel cell apparatus |
| US20060152085A1 (en) * | 2004-10-20 | 2006-07-13 | Fred Flett | Power system method and apparatus |
-
2022
- 2022-02-01 DE DE102022201058.2A patent/DE102022201058A1/de active Pending
-
2023
- 2023-01-31 EP EP23702985.5A patent/EP4473598A2/de not_active Withdrawn
- 2023-01-31 WO PCT/EP2023/052226 patent/WO2023148135A2/de not_active Ceased
- 2023-01-31 CN CN202380019678.1A patent/CN118633185A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN118633185A (zh) | 2024-09-10 |
| DE102022201058A1 (de) | 2023-08-03 |
| WO2023148135A2 (de) | 2023-08-10 |
| WO2023148135A3 (de) | 2024-01-04 |
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