EP4233112A1 - Système et procédé de refroidissement d'un ensemble de piles à combustible - Google Patents
Système et procédé de refroidissement d'un ensemble de piles à combustibleInfo
- Publication number
- EP4233112A1 EP4233112A1 EP21794588.0A EP21794588A EP4233112A1 EP 4233112 A1 EP4233112 A1 EP 4233112A1 EP 21794588 A EP21794588 A EP 21794588A EP 4233112 A1 EP4233112 A1 EP 4233112A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- loop
- fuel cells
- cells
- temperature
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 123
- 239000000446 fuel Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims description 29
- 238000005259 measurement Methods 0.000 claims abstract description 33
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 239000012809 cooling fluid Substances 0.000 claims description 48
- 230000033228 biological regulation Effects 0.000 claims description 23
- 238000011144 upstream manufacturing Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 claims description 3
- 239000002826 coolant Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 238000009529 body temperature measurement Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- AEDZKIACDBYJLQ-UHFFFAOYSA-N ethane-1,2-diol;hydrate Chemical compound O.OCCO AEDZKIACDBYJLQ-UHFFFAOYSA-N 0.000 description 1
- -1 heat Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000013529 heat transfer fluid Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
-
- 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
- H01M8/04701—Temperature
- H01M8/04731—Temperature of other components of a fuel cell or fuel cell stacks
-
- 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
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Definitions
- the invention relates to a system for cooling a set of fuel cells intended to equip a transport vehicle, in particular an air transport vehicle such as an aircraft.
- the invention also relates to a method for cooling a set of fuel cells.
- a fuel cell also designated by the acronym PAC
- PAC electrolysis
- dihydrogen and dioxygen constitute the chemical fuel under which energy can be stored within a fuel cell application.
- a second reaction provided by the fuel cell as such makes it possible to reverse the process and produce electricity from these two fuels.
- the electrolysis reaction described is generally carried out on the ground so that the hydrogen is directly embarked in a dedicated tank and the oxygen is supplied by the air taken from outside the aircraft.
- the fuel cell as such is therefore an electrical generator with two electrodes which makes it possible to produce electrical energy by oxidation on one electrode of a reducing fuel, such as hydrogen, coupled with a reduction on the another electrode of an oxidant, such as the oxygen in the air for example.
- a reducing fuel such as hydrogen
- an oxidant such as the oxygen in the air for example.
- the cell's redox reaction generates not only electricity, but also by-products such as water, heat, and oxygen-depleted air.
- One of the solutions commonly used in the aeronautical field to evacuate this heat is to provide a cooling liquid circulation loop in thermal interaction with outside air, the flow rate of which is sized for the full power of the battery for the temperatures outdoor maximums observed.
- the circulation of the liquid in the loop can be carried out by a pump controlled according to the power of the cell to be cooled.
- the inventors have sought to develop an optimized cooling system for a set of fuel cells which overcomes at least some of the drawbacks of the known solutions.
- the invention thus aims to provide a system for cooling a set of fuel cells which overcomes at least some of the drawbacks of known cooling systems, in particular for on-board aeronautical applications.
- the invention also aims to provide, in at least one embodiment, a cooling system which has a limited bulk compared to known systems.
- the invention aims in particular to provide, in at least one embodiment, a cooling system that can be applied to a set of cells that can each deliver a level of power that is very different from each other.
- the invention aims in particular to provide, in at least one mode of achievement, a cooling system that does not require a dedicated control pump for each stack.
- the invention also aims to provide a method for cooling a set of fuel cells.
- the invention relates to a system for cooling a set of fuel cells of a transport vehicle, such as an aircraft, comprising:
- cooling loop a cooling fluid circulation loop, called the cooling loop
- a cooling heat exchanger configured to be able to provide heat exchange between said cooling loop and a cooling air circulation channel taken from outside the transport vehicle.
- the cooling system according to the invention is characterized in that it further comprises, arranged on said cooling loop:
- variable-speed pump for supplying said cooling loop with cooling fluid according to a measurement representative of the need for cooling said set of fuel cells
- a 3-way valve for regulating the flow of cooling fluid supplying this cell according to a measurement representative of the need for cooling of this cell.
- the system according to the invention therefore comprises a single cooling loop supplied with cooling fluid by a single pump controlled according to a measurement representative of the cooling requirement of all the cells.
- each stack of the set of stacks is supplied with cooling fluid by a regulation valve arranged on the cooling loop and controlled according to a measurement representative of the need for cooling of this stack.
- the system according to the invention combines global regulation of all the stacks according to a measurement of the need for cooling of all the stacks with local regulation of each stack according to the need for cooling of each cell.
- This particular architecture makes it possible to have only one cooling loop supply pump for global regulation and one regulation valve per stack for local regulation.
- this architecture equipped with a single global flow regulation pump and several 3-way local flow regulation valves ensures optimized control of the cooling of a plurality of fuel cells which can deliver levels of power very different from each other.
- the invention makes it possible to control the total cooling power necessary for all the cells, whatever their arrangements and the power they develop.
- the system also comprises a 3-way valve, called a bypass valve, arranged on said cooling loop upstream of the heat exchanger, associated with a by-pass line of the heat exchanger, so as to be able to regulate the temperature of the cooling fluid upstream of said set of cells.
- a 3-way valve called a bypass valve
- This advantageous variant makes it possible to regulate the temperature of the cooling fluid upstream of all the stacks regardless of the temperature of the cooling air circulating in the cooling air circulation channel.
- the control of the bypass valve makes it possible to control the quantity of the cooling fluid in heat exchange with the cooling air and therefore to control the temperature of the cooling fluid which supplies the various 3-way valves of regulation of the various batteries. of all fuel cells.
- the flow of cooling fluid is determined by the variable speed pump controlled by a measurement representative of the need for cooling of the stack assembly and the coolant temperature is determined by the bypass valve.
- the invention also makes it possible to have a heating mode in which at least one stack of all the stacks heats the other stacks, by controlling the 3-way valves.
- the system further comprises a computer for controlling said variable-speed pump, all the 3-way regulation valves and said bypass valve.
- the calculator is configured to determine the total power of the losses of the stacks and to define the total flow of cooling fluid necessary in the cooling loop and the inlet temperature of the various stacks of the set of stacks.
- the computer thus ensures the control (or piloting) of the pump, the diversion valve and the various 3-way valves associated respectively with each stack of the set of stacks.
- the system further comprises at least one temperature sensor arranged at the outlet of each fuel cell of said set of fuel cells so as to be able to provide a temperature measurement of the cooling fluid at the cell outlet forming said measurement representative of the need for cooling of this stack.
- the measurement representative of the cooling requirement of each stack of the set of stacks is a temperature measurement at the stack outlet. This temperature measurement thus enables the computer to regulate the flow sent to each stack in order to maintain a target temperature.
- the system further comprises at least one temperature sensor arranged on the cooling loop upstream of said set of fuel cells so as to be able to provide a measurement of the temperature of the cooling fluid of the cooling loop forming said measure representative of the need for cooling said set of cells.
- the measurement representative of the cooling requirement of the set of cells is a measurement of the temperature of the cooling fluid of the cooling loop upstream of said set of cells. This measure of temperature thus enables the computer to regulate the inlet temperature of the batteries.
- the invention also relates to a method for cooling a set of fuel cells of a transport vehicle, such as an aircraft, comprising the following steps:
- cooling loop circulation of a cooling fluid in a loop, called cooling loop
- the method according to the invention is advantageously implemented by a system according to the invention and the system according to the invention advantageously implements a method according to the invention.
- the technical advantages and effects of a system according to the invention apply mutatis mutandis to a method according to the invention.
- the method further comprises a step of regulating the temperature of said cooling fluid upstream of said set of fuel cells by regulating the flow rate of fluid in heat exchange with said cooling air taken from outside of the transport vehicle.
- a method according to this variant is advantageously implemented by a system equipped with a bypass valve according to the invention.
- the benefits and effects techniques of a system according to this variant of the invention equipped with a bypass valve apply mutatis mutandis to a method according to this variant of the invention.
- the method further comprises, for each fuel cell of said set of cells, said measurement representative of the need for cooling of this fuel cell consists of a measurement of the temperature of the cooling fluid at the outlet of this pile.
- a method according to this variant is advantageously implemented by a system equipped with temperature sensors arranged at the outlet of the batteries of said set of batteries.
- the technical advantages and effects of a system according to this variant of the invention equipped with temperature sensors at the outlet of the batteries apply mutatis mutandis to a method according to this variant of the invention.
- the invention also extends to a set of fuel cells mounted in series (same current delivered by the different cells) or in parallel (same voltage delivered by the different cells) or a combination of cells mounted in series and in parallel, characterized in that it is cooled by a cooling system according to the invention.
- the invention can be used for main electrical generation (peak power when starting certain aircraft loads, for example) or for auxiliary power generation (power supply in hot conditions, for example) or for a propulsion application in as such.
- the invention also relates to a transport vehicle such as an aircraft, characterized in that it comprises a set of fuel cells according to the invention.
- An aircraft according to the invention can be equipped with a set of fuel cells cooled by a cooling system according to the invention for use as main electrical generation, auxiliary electrical generation or even propulsion electrical generation or a combination of these various uses.
- the invention also relates to a system and a method for cooling a set of fuel cells, a set of fuel cells and a transport vehicle such as an aircraft characterized in combination by all or some of the characteristics mentioned above. or below.
- FIG. 1 is a schematic view of a cooling system for a set of fuel cells according to one embodiment of the invention
- FIG. 2 is a schematic view of a method for cooling a set of fuel cells according to one embodiment of the invention.
- FIG. 1 schematically illustrates a system for cooling a set 10 of fuel cells according to one embodiment of the invention.
- This set 10 of fuel cells comprises three cells 10a, 10b, 10c according to the embodiment of the invention.
- Each cell 10a, 10b, 10c conventionally comprises (not shown in the figures) an anode equipped with an anode inlet intended to be supplied with a combustible fluid and an anode outlet intended to deliver an anode product fluid, a cathode equipped with a cathode inlet intended to be fed by an oxidizing fluid, and a cathode outlet intended to deliver a cathode product fluid.
- the cooling system according to the invention aims to cool the anode and/or the cathode of each cell of the set of fuel cells.
- the heat exchanges between the anode and/or the cathode and the cooling fluid can be obtained by heat exchangers, heat dissipation plates attached to the anode and/or the cathode of each cell, such as bipolar plates , or any equivalent means.
- FIG. 1 only the main elements of the set of cells relating to the cooling system according to the invention are represented.
- the system comprises a loop 20 for circulation of a cooling fluid, called the cooling loop.
- This cooling loop 20 is supplied with cooling fluid, such as for example a heat transfer liquid, by a pump 21 with variable speed.
- the pump 21 therefore makes it possible to regulate the flow rate of cooling fluid which circulates in the cooling loop 20 .
- variable-speed pump 21 is controlled by a computer 30 from a measurement representative of the need for cooling, such as for example the measurement of the temperature of the cooling fluid supplied by a sensor 22 arranged on the cooling loop 20, upstream of the set of batteries 10 and downstream of the variable speed pump 21.
- FIG. 1 schematically illustrate the control signals from the computer 30 intended for the equipment that it controls.
- the sensor 22 can be of any known type and is configured to transmit the temperature measurement to the computer 30 by communication means not shown in the figure for clarity.
- the transmission of the measurement to the computer can be carried out by wired means, wireless means or a combination of wired and wireless means.
- the sensor 22 therefore provides the computer 30 with information representative of the cooling requirement of all 10 of the fuel cells and makes it possible to ensure that the temperature objective has indeed been achieved.
- each cell 10a, 10b, 10c is connected to the cooling loop 20 via a pipe 13a, 13b, 13c and a 3-way regulation valve 12a, 12b, 12c arranged on the loop 20 cooling.
- Each control valve 12a, 12b, 12c is controlled by the computer 30 from a measurement of the temperature of the cooling fluid supplied by a sensor 1 ia, 11b, 11c arranged at the output of the stack 10a, 10b, 10c, on the pipe 14a, 14b, 14c returning to the cooling loop 20, downstream of the assembly 10 of the batteries.
- These sensors 1a, 11b, 11c can be of any known type and are configured to transmit the temperature measurement to the computer 30 by communication means not shown in the figure for clarity.
- the transmission of the measurement to the computer can be carried out by wired means, wireless means or a combination of wired and wireless means.
- the sensor 22 provides the computer with information representative of the cooling requirement of all the stacks while the sensors 1 ia , 11b, 1 le each provide information representative of the cooling requirement of each stack taken individually.
- the information representing the need for cooling can be provided by means other than a temperature sensor.
- This particular architecture makes it possible to have only one cooling loop supply pump for global regulation and one regulation valve per stack for local regulation.
- the system according to the invention also comprises a cooling heat exchanger 24 configured to be able to ensure heat exchanges between the cooling fluid circulating in the cooling loop 20 and a cooling air taken from outside the transport vehicle and circulating in a channel 25 for air circulation.
- the arrow 26 of Figure 1 schematically illustrates the cooling air taken from outside the transport vehicle.
- this air is dynamic air, better known under the English name of "RAM air” or “Rammed air”, that is to say literally outside air which enters an ad hoc opening.
- the air circulation in the channel 25 can be ensured, for example, by a fan, not shown in FIG. 1.
- This fan can be an electric fan or a fan carried by a turbomachine shaft of the aircraft, such as for example a turbomachine of a air conditioning system.
- a flow control valve also makes it possible to modulate the air flow of the system and provides a first level of temperature regulation for the sensor 22
- the heat exchanger 24 can be of any known type and is not described here in detail.
- the cooling system according to the embodiment of Figure 1 also comprises a 3-way valve, called bypass valve 27, arranged on the cooling loop 20, between the pump 21 and the exchanger 24.
- This control valve 27 can either supply the exchanger 24 with cooling fluid, or supply a bypass pipe 28 (also designated by the terms bypass pipe), which is arranged so as to bypass the heat exchanger 24 .
- This control valve 27 is controlled by the computer 30.
- the combination of the control valve 27, the heat exchanger 24 and the bypass pipe 28, makes it possible to regulate the temperature of the cooling fluid at the inlet of the batteries l ia , 11b, 11c, regardless of the outside air temperature. It also allows the heating of the heat transfer fluid circuit (such as a mixture of ethylene, glycol and water, better known by the English acronym EGW for "Ethylene Glycol Water), for example during starting in cold weather.
- EGW Ethylene Glycol Water
- the cooling system also comprises and according to the embodiment of Figure 1, a filter 29 configured to filter the cooling fluid.
- the filter 29 makes it possible to capture the particles present in the liquid loop and which could pollute the batteries.
- a De-ionizing filter can also be arranged on the circuit (not shown in the figures) and makes it possible to maintain the electrical properties of the coolant.
- a system according to the invention makes it possible to precisely adjust the output temperature of each battery 10a, 10b, 10c whatever the power transients of the batteries and to protect them overtemperature in the event of overload or operation at very high temperatures.
- the flow rate of the pump 21 is adjusted to the total cooling requirement of the assembly 10 of the stacks 10a, 10b, 10c. This flow is regulated at constant temperature by exchange with an external air flow circulating in channel 25.
- the flow rate in each stack 10a, 10b, 10c is adjusted in order to keep the temperature constant.
- the computer 30 ensures the determination of the cold power requirement, the flow control of the pump 21, the temperature regulation of each cell by measuring the temperatures acquired by the sensors 11a, 11b, 11c and 22, and the control of the various valves 12a, 12b, 12c and 27 of the system.
- variable-speed pump 21 provides the total flow adapted to the losses of all 10 of the stacks in the system.
- the temperature of the cooling fluid is regulated by the evacuation of the calories in the exchanger 24 cooled by the flow of outside air 26, which makes it possible to evacuate the total losses of the batteries to the outside.
- the computer 30 evaluates the total power loss of the cells and defines the total flow rate necessary and the inlet temperature of the cooling fluid of the cells.
- the 3-way valves 12a, 12b, 12c each regulate the flow of fluid in each cell to ensure the evacuation of calories and define the temperature at the outlet of the cell.
- the total flow of the pump 21 is distributed between the stacks 10a, 10b, 10c according to their need for cooling. Each stack thus receives the minimum flow necessary to guarantee the desired internal temperature of the stack.
- the invention also extends to a transport vehicle, in particular railway, automotive or air, equipped with a set of fuel cells cooled by a system according to the invention.
- the invention also extends to a method for cooling a set of fuel cells of a transport vehicle, such as an aircraft.
- This process represented schematically by FIG. 2 comprises the following steps:
- step 130 (optional) of regulating the temperature of the cooling fluid upstream of the set of fuel cells by regulating the flow of fluid in heat exchange with the cooling air taken from outside the transport vehicle ,
- step 140 of regulating the flow of cooling fluid supplying each fuel cell from the cooling loop according to a measurement representative of the need for cooling of this cell.
- the method according to the invention is advantageously implemented by a system according to the invention and the system according to the invention advantageously implements a method according to the invention.
- a method and a system according to the invention ensure precise temperature regulation of several cells connected to the same liquid loop. In addition, they make it possible to control the total cooling power required by the combination of cells, regardless of their arrangements and the power they develop.
- a method and a system according to the invention are not limited only to the embodiments described and to the only aeronautical application described. In particular, the method and the system according to the invention can be applied to any type of vehicle, in particular air, railway or automobile, and for any type of application (main generation of energy, auxiliary generation of energy or generation propulsion energy).
Landscapes
- 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)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2010966A FR3115635B1 (fr) | 2020-10-26 | 2020-10-26 | Système et procédé de refroidissement d’un ensemble de piles à combustible |
| PCT/EP2021/079573 WO2022090173A1 (fr) | 2020-10-26 | 2021-10-25 | Système et procédé de refroidissement d'un ensemble de piles à combustible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4233112A1 true EP4233112A1 (fr) | 2023-08-30 |
Family
ID=74205991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21794588.0A Pending EP4233112A1 (fr) | 2020-10-26 | 2021-10-25 | Système et procédé de refroidissement d'un ensemble de piles à combustible |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20230402625A1 (fr) |
| EP (1) | EP4233112A1 (fr) |
| CN (1) | CN116529919A (fr) |
| FR (1) | FR3115635B1 (fr) |
| WO (1) | WO2022090173A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3087491B1 (fr) * | 2018-10-18 | 2020-11-06 | Safran Aircraft Engines | Procede de commande d'une turbomachine comportant un moteur electrique |
| US11824234B1 (en) * | 2022-09-29 | 2023-11-21 | First Mode Ipp Limited | Cooling multiple parallel hydrogen fuel cell stacks |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2792259B1 (fr) * | 1999-04-15 | 2001-06-15 | Valeo Thermique Moteur Sa | Dispositif de refroidissement pour vehicule electrique a pile a combustible |
| US20030064262A1 (en) * | 2001-05-31 | 2003-04-03 | Plug Power Inc. | Method and apparatus for controlling a combined heat and power fuel cell system |
| CA2406331C (fr) * | 2002-10-01 | 2009-12-22 | Long Manufacturing Ltd. | Systeme de gestion thermique |
| US8298713B2 (en) * | 2006-10-25 | 2012-10-30 | GM Global Technology Operations LLC | Thermally integrated fuel cell humidifier for rapid warm-up |
| DE102009039364A1 (de) * | 2009-08-29 | 2011-03-03 | Daimler Ag | Fahrzeug mit wenigstens einem Kühlkreislauf zum Kühlen eines Brennstoffzellensystems |
| CN108054411A (zh) * | 2018-01-17 | 2018-05-18 | 中国重汽集团济南动力有限公司 | 一种商用车燃料电池热管理系统 |
-
2020
- 2020-10-26 FR FR2010966A patent/FR3115635B1/fr active Active
-
2021
- 2021-10-25 EP EP21794588.0A patent/EP4233112A1/fr active Pending
- 2021-10-25 WO PCT/EP2021/079573 patent/WO2022090173A1/fr not_active Ceased
- 2021-10-25 CN CN202180072336.7A patent/CN116529919A/zh active Pending
- 2021-10-25 US US18/033,799 patent/US20230402625A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20230402625A1 (en) | 2023-12-14 |
| FR3115635A1 (fr) | 2022-04-29 |
| FR3115635B1 (fr) | 2022-09-23 |
| CN116529919A (zh) | 2023-08-01 |
| WO2022090173A1 (fr) | 2022-05-05 |
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