CN220856622U - Magnesium-based solid state high temperature hydrogen supply system for solid oxide fuel cell - Google Patents
Magnesium-based solid state high temperature hydrogen supply system for solid oxide fuel cell Download PDFInfo
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- CN220856622U CN220856622U CN202322561844.0U CN202322561844U CN220856622U CN 220856622 U CN220856622 U CN 220856622U CN 202322561844 U CN202322561844 U CN 202322561844U CN 220856622 U CN220856622 U CN 220856622U
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 150
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 150
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 147
- 239000007787 solid Substances 0.000 title claims abstract description 137
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 239000011777 magnesium Substances 0.000 title claims abstract description 82
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 77
- 239000000446 fuel Substances 0.000 title claims abstract description 60
- 238000005338 heat storage Methods 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000003507 refrigerant Substances 0.000 claims description 12
- 238000004146 energy storage Methods 0.000 claims description 10
- 239000011232 storage material Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 2
- 239000012528 membrane Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 229910012375 magnesium hydride Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000003570 air Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a magnesium-based solid high-temperature hydrogen supply system for a solid oxide fuel cell, which comprises a water tank, a heat storage module, a magnesium-based solid hydrogen storage module, a hydrogen pipeline, a first heat exchange medium pipeline, a second heat exchange medium pipeline and a heat exchanger, wherein the heat storage module is coated outside the magnesium-based solid hydrogen storage module, and an outlet of the water tank is communicated with an inlet of the heat storage module. The heat storage module provides heat required by starting the SOFC, shortens the starting time, and simultaneously enables the solid oxide fuel cell not to depend on other external energy sources. The magnesium-based solid hydrogen storage module is used as a hydrogen supply unit of the SOFC, has the characteristics of large hydrogen storage amount and high hydrogen production temperature, and can simplify the system and improve the generated energy of the SOFC. Through heat exchange management, heat generated during SOFC operation is efficiently applied to regeneration of the heat storage module and hydrogen release of the magnesium-based solid hydrogen storage module, so that the efficiency of SOFC is improved, an additional energy supply system is not required to be additionally arranged in the system, and the operation cost of the system is reduced.
Description
Technical Field
The utility model relates to the technology of solid oxide fuel cells, in particular to a magnesium-based solid high-temperature hydrogen supply system for a solid oxide fuel cell.
Background
The Solid Oxide Fuel Cell (SOFC) power generation technology is a novel and efficient power generation technology, and the mode adopts gases such as hydrogen, methane and the like as fuel, and the gases react with air electrochemically at high temperature and emit electric energy. The working temperature of the SOFC is very high, usually 600-1000 ℃, when the SOFC works, the normal-temperature raw material gas needs to be preheated to a certain temperature before entering the SOFC system for internal reaction, the heat generated by the SOFC system reaction can cause the problems of high system temperature, damage of SOFC materials, service life reduction and the like, and the waste heat of the reaction needs to be discharged in time.
When SOFC is fuelled with pure hydrogen, its reaction product is only water, enabling zero carbon emissions. However, the SOFC system using pure hydrogen as fuel has the problems of slow starting, difficult heat recovery application, complex system, large occupied space and the like due to the difficult storage and transportation of hydrogen with large capacity and the heat management problem during the operation of SOFC.
Disclosure of utility model
Aiming at the problems of slow starting, difficult heat recovery application and complex system of the traditional solid oxide fuel cell, the utility model provides a magnesium-based solid high-temperature hydrogen supply system for the solid oxide fuel cell, which has the advantages of fast starting, high energy recovery rate, no dependence on other external energy sources and simple system.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the magnesium-based solid high-temperature hydrogen supply system for the solid oxide fuel cell comprises a water tank, a heat storage module, a magnesium-based solid hydrogen storage module, a hydrogen pipeline, a first heat exchange medium pipeline, a second heat exchange medium pipeline and a heat exchanger, wherein the heat storage module is coated outside the magnesium-based solid hydrogen storage module, and an outlet of the water tank is communicated with an inlet of the heat storage module;
The hydrogen outlet of the magnesium-based solid hydrogen storage module is communicated with the inlet of a first heat exchange pipeline in the heat storage module, the outlet of the first heat exchange pipeline in the heat storage module is communicated with the inlet of the first heat exchange pipeline in the solid oxide fuel cell, and the outlet of the first heat exchange pipeline in the solid oxide fuel cell is communicated with the inlet of the first heat exchange pipeline in the heat storage module;
the heat exchanger heating medium outlet is communicated with a second heat exchange pipeline inlet in the solid oxide fuel cell, and the second heat exchange pipeline outlet in the solid oxide fuel cell is communicated with the heat exchanger heating medium inlet; the first refrigerant outlet of the heat exchanger is communicated with the inlet of a second heat exchange pipeline in the heat storage module, and the outlet of the second heat exchange pipeline in the heat storage module is communicated with the first refrigerant inlet of the heat exchanger; the hydrogen outlet of the magnesium-based solid hydrogen storage module is communicated with the second refrigerant inlet of the heat exchanger through a hydrogen pipeline, and the second refrigerant outlet of the heat exchanger is communicated with the hydrogen inlet of the solid oxide fuel cell through a hydrogen pipeline.
Further, the magnesium-based solid high-temperature hydrogen supply system for the solid oxide fuel cell further comprises a control unit, wherein the control unit is respectively in communication connection with the water tank, the heat storage module, the magnesium-based solid hydrogen storage module, the hydrogen pipeline, the first heat exchange medium pipeline, the second heat exchange medium pipeline and the heat exchanger.
Further, a flow control valve, a temperature measuring device and a pressure measuring device are arranged in the hydrogen pipeline, the first heat exchange medium pipeline and the second heat exchange medium pipeline, and the control unit is respectively in communication connection with the flow control valve, the temperature measuring device and the pressure measuring device.
Further, the heat storage module is a CaO/Ca (OH) 2 thermochemical energy storage module or a MgO/Mg (OH) 2 thermochemical energy storage module, and the CaO/Ca (OH) 2 and MgO/Mg (OH) 2 systems have the characteristics of high energy storage density, safety, innocuity, low price, simple operation and the like, and are widely researched and focused in the thermochemical energy storage field. The heat storage module disclosed by the utility model is prepared from CaO/Ca (OH) 2 or MgO/Mg (OH) 2 heat storage materials, so that heat required for heating and starting is provided for the magnesium-based solid hydrogen storage materials and the SOFC, and the system starting time can be shortened.
Further, the magnesium-based solid state hydrogen storage module is filled with a solid state hydrogen storage material including, but not limited to, a magnesium hydride block.
Further, an electric heating film is arranged in the magnesium-based solid-state hydrogen storage module.
Further, heat exchange fins are arranged between the magnesium-based solid hydrogen storage modules of the heat storage modules, so that the heat exchange effect is enhanced. The outer surface of the magnesium-based solid hydrogen storage module is provided with heat exchange fins.
Further, heat exchange media are filled in the first heat exchange medium pipeline and the second heat exchange medium pipeline. The heat exchange medium is liquid or gas, the liquid is molten salt, and the gas is one or more of air, carbon dioxide and helium.
Further, a hydrogen outlet of the magnesium-based solid hydrogen storage module is communicated with a hydrogen inlet of the solid oxide fuel cell through a hydrogen pipeline.
Further, the heat storage module and the magnesium-based solid hydrogen storage module are provided with circulation pipelines, heat transfer media (including but not limited to high-temperature heat conduction oil) are filled in the circulation pipelines, and the circulation pipelines in the magnesium-based solid hydrogen storage module are spirally distributed.
Another object of the present utility model is also to disclose a solid oxide fuel cell system comprising the magnesium-based solid state high temperature hydrogen supply system for a solid oxide fuel cell as described above and a solid oxide fuel cell.
The working principle of the solid oxide fuel cell system of the utility model takes a heat storage module as an example, and adopts a CaO/Ca (OH) 2 thermochemical energy storage module:
When the solid oxide fuel cell is started, water tank 1 inputs water or water vapor into heat storage module 2, water or water vapor reacts with CaO in the heat storage module to generate Ca (OH) 2, a large amount of heat is emitted, the control system controls the temperature of heat storage module 2 to be 250-500 ℃ by regulating and controlling the input quantity of water or water vapor, heat conduction is utilized between the side walls of the heat storage module and the magnesium-based solid hydrogen storage module, and/or heat is input into the magnesium-based solid hydrogen storage module 3 by circulating flow of a heat transfer medium in a circulating pipeline between the heat storage module and the magnesium-based solid hydrogen storage module, magnesium hydride materials in the magnesium-based solid hydrogen storage module 3 are heated and decomposed to release hydrogen, the hydrogen enters the solid oxide fuel cell SOFC after being heated again through a hydrogen pipeline and flows through CaO/Ca (OH) 2 heat storage module to heat-exchange and heat, and then the hydrogen circularly flows between the CaO/Ca (OH) 2 heat storage module and the SOFC, and the heat generated by the CaO/Ca (OH) 2 is continuously transferred to the SOFC, and the temperature of the SOFC is promoted to be quickly raised to an operating temperature interval.
After the solid oxide fuel cell is started, stopping the exothermic reaction of the CaO/Ca (OH) 2 heat storage module, utilizing the heat exchange medium circularly flowing in the second heat exchange medium pipeline 6, continuously using the high-temperature waste heat (600-800 ℃) generated by the SOFC reaction to heat the hydrogen in the hydrogen release pipeline and the heat exchange medium in the first heat exchange medium pipeline 5 respectively through the heat exchanger 7, circularly entering the SOFC after the hydrogen in the hydrogen release pipeline is subjected to heat exchange and temperature rise to enable the SOFC to continuously work, and transmitting the heat to the CaO/Ca (OH) 2 heat storage module through the heat exchange medium in the first heat exchange medium pipeline 5, so that the Ca (OH) 2 absorbs the heat to be decomposed to be changed into CaO on one hand, and continuously inputting the heat to the magnesium-based solid hydrogen storage module through the heat conduction and the heat transfer medium on the other hand, so that the magnesium hydride material in the magnesium-based solid hydrogen storage module is continuously decomposed to generate new hydrogen to be supplied to the SOFC.
Compared with the prior art, the magnesium-based solid-state high-temperature hydrogen supply system for the solid oxide fuel cell has the following advantages:
1) The utility model utilizes the reaction characteristic of the CaO/Ca (OH) 2 heat storage module, provides the heat required by the system start, shortens the start time of the SOFC, and simultaneously ensures that the solid oxide fuel cell system does not depend on other external energy sources, thereby having better applicability.
2) The utility model uses the magnesium-based solid hydrogen storage module filled with the magnesium-based solid hydrogen storage material as the hydrogen supply unit of the SOFC, has the characteristics of large hydrogen storage amount and high hydrogen production temperature, can simplify the system and improve the generated energy of the SOFC.
3) According to the utility model, through heat exchange management, heat generated during SOFC operation is effectively applied to the regeneration of the CaO/Ca (OH) 2 heat storage module and the hydrogen release of the magnesium-based solid hydrogen storage module, so that the efficiency of the SOFC is improved, an additional energy supply system is not required to be additionally arranged in the system, and the operation cost of the system is reduced.
In conclusion, the magnesium-based solid hydrogen storage module is adopted as the hydrogen supply unit of the SOFC, so that on one hand, the hydrogen storage amount is large, and the reduction of the space occupation amount of the system is facilitated; on the other hand, the temperature of the hydrogen released by the magnesium-based solid hydrogen storage module is higher (250-350 ℃), and the released high-temperature hydrogen is easy to further heat, so that the SOFC is preheated and hydrogen is supplied; thirdly, after the SOFC works, a large amount of high temperature (600-1000 ℃) is released, and the SOFC can be just used as a heat source required by the magnesium-based solid hydrogen storage module to release hydrogen and recover the heat storage state of CaO/Ca (OH) 2 or MgO/Mg (OH) 2, so that the energy is applied to the maximization, and the economy is better.
Drawings
Fig. 1 is a schematic structural diagram of a magnesium-based solid state high temperature hydrogen supply system for a solid oxide fuel cell.
Detailed Description
The utility model is further illustrated by the following examples:
Example 1
The embodiment discloses a magnesium-based solid high-temperature hydrogen supply system for a solid oxide fuel cell, as shown in fig. 1, the system comprises a water tank 1, a heat storage module 2, a magnesium-based solid hydrogen storage module 3, a hydrogen pipeline 4, a first heat exchange medium pipeline 5, a second heat exchange medium pipeline 6 and a heat exchanger 7, wherein the heat storage module 2 is coated outside the magnesium-based solid hydrogen storage module 3, an outlet of the water tank 1 is communicated with an inlet of the heat storage module 2, and the water tank 1 can provide water or water vapor for the heat storage module 2.
A first heat exchange pipeline and a second heat exchange pipeline are respectively arranged in the heat storage module 2; the solid oxide fuel cell is internally provided with a first heat exchange pipeline and a second heat exchange pipeline respectively. The hydrogen outlet of the magnesium-based solid hydrogen storage module 3 is communicated with the first heat exchange pipeline inlet in the heat storage module 2 through a hydrogen pipeline 4, the first heat exchange pipeline outlet in the heat storage module 2 is communicated with the first heat exchange pipeline inlet in the solid oxide fuel cell 8 through the hydrogen pipeline 4, and the first heat exchange pipeline outlet in the solid oxide fuel cell 8 is communicated with the first heat exchange pipeline inlet in the heat storage module 2 through the hydrogen pipeline 4;
A heating medium pipeline and two cooling medium pipelines are arranged in the heat exchanger 7. The heat medium outlet of the heat exchanger 7 is communicated with the inlet of a second heat exchange pipeline in the solid oxide fuel cell 8, and the outlet of the second heat exchange pipeline in the solid oxide fuel cell is communicated with the heat medium inlet of the heat exchanger 7; the first refrigerant outlet of the heat exchanger 7 is communicated with the inlet of a second heat exchange pipeline in the heat storage module 2, and the outlet of the second heat exchange pipeline in the heat storage module 2 is communicated with the first refrigerant inlet of the heat exchanger 7; the hydrogen outlet of the magnesium-based solid hydrogen storage module 3 is communicated with the second refrigerant inlet of the heat exchanger 7 through a hydrogen pipeline 4, and the second refrigerant outlet of the heat exchanger 7 is communicated with the hydrogen inlet of the solid oxide fuel cell through the hydrogen pipeline 4.
The magnesium-based solid high-temperature hydrogen supply system for the solid oxide fuel cell further comprises a control unit, wherein the control unit is respectively in communication connection with the water tank 1, the heat storage module 2, the magnesium-based solid hydrogen storage module 3, the hydrogen pipeline 4, the first heat exchange medium pipeline 5, the second heat exchange medium pipeline 6 and the heat exchanger 7. Specifically, the hydrogen pipeline 4, the first heat exchange medium pipeline 5 and the second heat exchange medium pipeline 6 are provided with a flow control valve, a temperature measuring device and a pressure measuring device, and the control unit is respectively in communication connection with the flow control valve, the temperature measuring device and the pressure measuring device.
The heat storage module 2 is a CaO/Ca (OH) 2 thermochemical energy storage module, and the CaO/Ca (OH) 2 system has the characteristics of high energy storage density, safety, innocuity, low price, simple operation and the like, and is widely researched and focused in the thermochemical energy storage field. The heat storage module 2 provides heat required for heating and starting for the magnesium-based solid hydrogen storage material and the SOFC, so that the system starting time can be shortened.
The magnesium-based solid hydrogen storage module 3 is filled with a solid hydrogen storage material, and the solid hydrogen storage material is a magnesium hydride block. An electric heating film is arranged in the magnesium-based solid hydrogen storage module 3.
The magnesium-based solid hydrogen storage modules 3 of the heat storage modules 2 are closely attached, and heat exchange fins are arranged on the outer surfaces of the magnesium-based solid hydrogen storage modules 3, so that the heat exchange effect is enhanced.
And heat exchange media are filled in the first heat exchange medium pipeline 5 and the second heat exchange medium pipeline 6. The heat exchange medium is liquid or gas, the liquid is molten salt, and the gas is one or more of air, carbon dioxide and helium.
The solid oxide fuel cell system of this embodiment operates on the principle:
When the solid oxide fuel cell is started, water tank 1 inputs water or water vapor into heat storage module 2, water or water vapor reacts with CaO in the heat storage module to generate Ca (OH) 2, a large amount of heat is emitted simultaneously, the control system controls the temperature of the module to be 250-500 ℃ by regulating the input quantity of water or water vapor, heat is input into magnesium-based solid hydrogen storage module 3 by utilizing heat conduction and heat transfer media, magnesium hydride materials in magnesium-based solid hydrogen storage module 3 are heated and decomposed to release hydrogen, hydrogen is heated again through a hydrogen pipeline and flows through CaO/Ca (OH) 2 heat storage module and then enters into the solid oxide fuel cell SOFC to perform heat exchange and heating, and then hydrogen circularly flows between CaO/Ca (OH) 2 heat storage module and SOFC to continuously transfer the heat generated by CaO/Ca (OH) 2 heat storage module to the SOFC, so that the temperature of the SOFC is promoted to be quickly increased to the working temperature range.
After the solid oxide fuel cell is started, stopping the exothermic reaction of the CaO/Ca (OH) 2 heat storage module, utilizing the heat exchange medium circularly flowing in the second heat exchange medium pipeline 6, continuously using the high-temperature waste heat (600-800 ℃) generated by the SOFC reaction to heat the hydrogen in the hydrogen release pipeline and the heat exchange medium in the first heat exchange medium pipeline 5 respectively through the heat exchanger 7, circularly entering the SOFC after the hydrogen in the hydrogen release pipeline is subjected to heat exchange and temperature rise to enable the SOFC to continuously work, and transmitting the heat to the CaO/Ca (OH) 2 heat storage module through the heat exchange medium in the first heat exchange medium pipeline 5, so that the Ca (OH) 2 absorbs the heat to be decomposed to be changed into CaO on one hand, and continuously inputting the heat to the magnesium-based solid hydrogen storage module through the heat conduction and the heat transfer medium on the other hand, so that the magnesium hydride material in the magnesium-based solid hydrogen storage module is continuously decomposed to generate new hydrogen to be supplied to the SOFC.
Example 2
This example discloses a solid oxide fuel cell system comprising the magnesium-based solid state high temperature hydrogen supply system for a solid oxide fuel cell and a solid oxide fuel cell described in example 1.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The magnesium-based solid high-temperature hydrogen supply system for the solid oxide fuel cell is characterized by comprising a water tank (1), a heat storage module (2), a magnesium-based solid hydrogen storage module (3), a hydrogen pipeline (4), a first heat exchange medium pipeline (5), a second heat exchange medium pipeline (6) and a heat exchanger (7), wherein the heat storage module (2) is coated outside the magnesium-based solid hydrogen storage module (3), and an outlet of the water tank (1) is communicated with an inlet of the heat storage module (2);
The hydrogen outlet of the magnesium-based solid hydrogen storage module (3) is communicated with the first heat exchange pipeline inlet in the heat storage module (2), the first heat exchange pipeline outlet in the heat storage module (2) is communicated with the first heat exchange pipeline inlet in the solid oxide fuel cell (8), and the first heat exchange pipeline outlet in the solid oxide fuel cell (8) is communicated with the first heat exchange pipeline inlet in the heat storage module (2);
The heat medium outlet of the heat exchanger (7) is communicated with the inlet of a second heat exchange pipeline in the solid oxide fuel cell, and the outlet of the second heat exchange pipeline in the solid oxide fuel cell (8) is communicated with the heat medium inlet of the heat exchanger (7); the first refrigerant outlet of the heat exchanger (7) is communicated with the inlet of a second heat exchange pipeline in the heat storage module (2), and the outlet of the second heat exchange pipeline in the heat storage module (2) is communicated with the first refrigerant inlet of the heat exchanger (7); the hydrogen outlet of the magnesium-based solid hydrogen storage module (3) is communicated with the second refrigerant inlet of the heat exchanger (7) through a hydrogen pipeline (4), and the second refrigerant outlet of the heat exchanger (7) is communicated with the hydrogen inlet of the solid oxide fuel cell (8) through the hydrogen pipeline (4).
2. The magnesium-based solid state high temperature hydrogen supply system for a solid oxide fuel cell of claim 1, further comprising a control unit communicatively connected to the water tank (1), the heat storage module (2), the magnesium-based solid state hydrogen storage module (3), the hydrogen gas line (4), the first heat exchange medium line (5), the second heat exchange medium line (6) and the heat exchanger (7), respectively.
3. The magnesium-based solid state high temperature hydrogen supply system for a solid oxide fuel cell according to claim 2, wherein a flow control valve, a temperature measuring device and a pressure measuring device are arranged in the hydrogen pipeline (4), the first heat exchange medium pipeline (5) and the second heat exchange medium pipeline (6), and the control unit is respectively in communication connection with the flow control valve, the temperature measuring device and the pressure measuring device.
4. The solid high temperature hydrogen supply system based on magnesium for solid oxide fuel cells according to claim 1, characterized in that the heat storage module (2) is a CaO/Ca (OH) 2 thermo-chemical energy storage module or a MgO/Mg (OH) 2 thermo-chemical energy storage module.
5. The magnesium-based solid state high temperature hydrogen supply system for a solid oxide fuel cell of claim 1, wherein said magnesium-based solid state hydrogen storage module (3) is filled with a solid state hydrogen storage material.
6. The magnesium-based solid state high temperature hydrogen supply system for a solid oxide fuel cell of claim 1, wherein an electric heating membrane is provided within said magnesium-based solid state hydrogen storage module (3).
7. The magnesium-based solid state high temperature hydrogen supply system for a solid oxide fuel cell of claim 1, wherein the outer surface of said magnesium-based solid state hydrogen storage module (3) is provided with heat exchanging fins.
8. The magnesium-based solid state high temperature hydrogen supply system for solid oxide fuel cells according to claim 1, wherein the first heat exchange medium pipeline (5) and the second heat exchange medium pipeline (6) are filled with heat exchange medium.
9. The magnesium-based solid state high temperature hydrogen supply system for a solid oxide fuel cell of claim 1, wherein the hydrogen outlet of the magnesium-based solid state hydrogen storage module (3) is in communication with the hydrogen inlet of the solid oxide fuel cell (8) through a hydrogen line.
10. The magnesium-based solid state high temperature hydrogen supply system for solid oxide fuel cells according to claim 1, wherein the heat storage module (2) and the magnesium-based solid state hydrogen storage module (3) are provided with circulation pipelines, the circulation pipelines are filled with heat transfer medium, and the circulation pipelines in the magnesium-based solid state hydrogen storage module (3) are spirally arranged.
Publications (1)
| Publication Number | Publication Date |
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| CN220856622U true CN220856622U (en) | 2024-04-26 |
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