CN209896182U - Solid oxide fuel cell system and water vapor generating device thereof - Google Patents
Solid oxide fuel cell system and water vapor generating device thereof Download PDFInfo
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- CN209896182U CN209896182U CN201920828330.8U CN201920828330U CN209896182U CN 209896182 U CN209896182 U CN 209896182U CN 201920828330 U CN201920828330 U CN 201920828330U CN 209896182 U CN209896182 U CN 209896182U
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- 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
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Abstract
The utility model relates to a solid oxide fuel cell system and a steam generating device thereof, wherein, the steam generating device comprises a water inlet pipe, a shell and a heat exchange device arranged in the shell; a heat exchange cavity is formed between the outer wall of the heat exchange device and the inner wall of the shell, the water inlet pipe is communicated with the heat exchange cavity and is used for introducing liquid water into the heat exchange cavity, and the liquid water can exchange heat with the heat exchange device in the heat exchange cavity to form steam; the shell is also provided with a steam outlet for discharging the steam in the heat exchange cavity to the reforming device; the top wall of one side of the water inlet pipe facing the shell is provided with a steam-water separation grid. The continuity and the uniformity of the liquid water evaporation can be improved, so that the stability and the reliability of the solid oxide fuel cell system are ensured.
Description
Technical Field
The utility model discloses fuel cell technical field, concretely relates to solid oxide fuel cell system and vapor generating device thereof.
Background
The existing fuel steam mixing device for the solid oxide fuel cell system is designed in a heat exchanger mode based on the boiler principle, a plate type or shell-and-tube type heat exchanger is designed in a steam generating device, liquid water enters the inside or the surface of the heat exchanger through a water inlet device, is heated to be boiled into steam through a high-temperature heat source in the heat exchanger or through an electric and fuel heating mode, and the boiled steam and carbon fuel are mixed and then enter a reforming device through a fuel gas outlet to carry out reforming reaction.
Although the boiling heat exchanger based on the boiler principle has a simple structure, the steam yield and the steam pressure have periodic fluctuation in the boiling process of liquid water due to the uncontrollable principle of boiling heat exchange. The periodic fluctuation of the steam yield and the pressure greatly influences the subsequent fuel steam mixing uniformity, the steam reforming reaction continuity and the electrochemical reaction continuity in the electric pile. Therefore, the improvement of the continuity and uniformity of the liquid water evaporation plays an important role in improving the stability and reliability of the system.
Therefore, it is a technical problem to be solved by those skilled in the art to provide a steam generating device capable of improving the continuity and uniformity of liquid water evaporation to ensure the stability and reliability of a solid oxide fuel cell system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a solid oxide fuel cell system and vapor generating device thereof can promote the continuity and the homogeneity of liquid water evaporation to guarantee solid oxide fuel cell system's stability and reliability.
In order to solve the above technical problem, the present invention provides a steam generator of a solid oxide fuel cell system, which comprises a water inlet pipe, a casing and a heat exchanger arranged in the casing; a heat exchange cavity is formed between the outer wall of the heat exchange device and the inner wall of the shell, the water inlet pipe is communicated with the heat exchange cavity and is used for introducing liquid water into the heat exchange cavity, and the liquid water can exchange heat with the heat exchange device in the heat exchange cavity to form water vapor; the shell is also provided with a steam outlet for discharging the steam in the heat exchange cavity to the reforming device; the inlet tube is towards one side roof of casing is equipped with the catch water grid.
A steam-water separation grid is arranged on the top wall of one side of the water inlet pipe facing the heat exchange cavity and is positioned outside the shell, because the temperature of the working environment of the water vapor generating device is higher (about 100 ℃ to 200 ℃), the water in the water inlet pipe can exchange heat with the external environment before being introduced into the heat exchange cavity from the water inlet, so that the liquid water in the water inlet pipe generates a part of water vapor, and the part of water vapor generated in the water inlet pipe is separated out of the water inlet pipe from the steam-water separation grid when passing through the steam-water separation grid, so that the liquid water in the water inlet pipe is kept in a liquid state before entering the heat exchange cavity, the pressure fluctuation at the water vapor outlet caused by the unstable airflow in the heat exchange cavity due to the gas entering the heat exchange cavity is avoided, thereby enabling the steam generator to continuously and stably supply steam to the reformer.
In the reforming reaction process, the proportion of the carbon fuel and the steam is controlled, the dispersibility of the steam is improved, and the mixing uniformity of the steam and the carbon fuel is improved, so that the system efficiency is improved, and the durability of the electric pile is improved. Therefore, the steam generator provided by the embodiment can continuously and stably supply the steam to the reforming device, and can ensure the stability and reliability of the reforming reaction in the reforming device and the electrochemical reaction in the electric pile.
Optionally, the water tank is used for supplying water to the water inlet pipe, and the circulating steam pipe is connected between the water tank and the steam-water separation grid.
Optionally, the water inlet pipe further comprises a first temperature sensor and an on-off valve, wherein the first temperature sensor is arranged on one side, facing the shell, of the water inlet pipe; the on-off valve is arranged on the circulation steam pipe, and is opened when the temperature detected by the first temperature sensor reaches a preset temperature value and is closed when the temperature detected by the first temperature sensor is lower than the preset temperature value.
Optionally, the side wall of the water inlet pipe is further provided with a heat insulation layer.
Optionally, the heat insulating layer is a heat insulating cavity arranged on the outer wall of the water inlet pipe, and the heat insulating cavity is filled with air, argon or carbon dioxide.
Optionally, the water inlet pipe is further provided with a regulating valve, and the water vapor outlet is further provided with a pressure sensor and a second temperature sensor.
Optionally, still including locating the water droplet device of heat transfer intracavity, the water droplet device with the inlet tube intercommunication, just the water droplet device includes a plurality of drippers.
Optionally, the drippers are the same in height and are evenly spaced.
Optionally, one end of the water inlet pipe communicated with the water drop device is provided with a conical structure, and the small diameter end of the conical structure is connected with the water drop device.
In addition, the utility model also provides a solid oxide fuel cell system, it includes reforming unit and the steam generator of last.
The technical effect of the solid oxide fuel cell system with the water vapor generating device is similar to that of the water vapor generating device, and for saving the space, the details are not repeated herein.
Drawings
Fig. 1 is a schematic structural diagram of a water vapor generation device of a solid oxide fuel cell system according to an embodiment of the present invention.
In fig. 1, the reference numerals are illustrated as follows:
1-a water inlet pipe, 11-a steam-water separation grid, 12-a heat insulation layer, 13-a regulating valve, 14-a first temperature sensor and 15-a conical structure;
2-shell, 21-steam outlet, 22-pressure sensor, 23-second temperature sensor;
3-heat exchange device, 31-pit, 32-fin, 33-fluid inlet, 34-fluid outlet;
4-a heat exchange cavity;
5-water tank, 51-water inlet, 52-water outlet;
6-circulation steam pipe, 61-on-off valve, 62-third temperature sensor;
7-water droplet device, 71-water dropper.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a water vapor generation device of a solid oxide fuel cell system according to an embodiment of the present invention.
The embodiment of the utility model provides a solid oxide fuel cell system and vapor generation device thereof, wherein, solid oxide fuel cell system includes above-mentioned vapor generation device and reforming unit, and vapor generation device is used for providing vapor in to the reforming unit, and vapor takes place the vapor reforming reaction at 300 ℃ -800 ℃ with carbon fuel in the reforming unit, and hydrogen and carbon monoxide that the vapor reforming reaction produced are carried out electrochemical reaction by the pile that lets in solid oxide fuel cell system.
Specifically, as shown in fig. 1, the water vapor generating device includes a water inlet pipe 1, a housing 2 and a heat exchanging device 3 disposed in the housing 2, a heat exchanging cavity 4 is formed between an outer wall of the heat exchanging device 3 and an inner wall of the housing 2, the water inlet pipe 1 is communicated with the heat exchanging cavity 4, liquid water can enter the heat exchanging cavity 4 from the water inlet pipe 1, and forms water vapor after exchanging heat with the heat exchanging device 3; the shell 2 is further provided with a steam outlet 21 for discharging steam in the heat exchange chamber 4 to the reformer.
That is to say, enclose between the inner wall of casing 2 and the outer wall that is located heat transfer device 3 in casing 2 and form heat transfer chamber 4, this casing 2 is equipped with the water inlet and the vapor discharge port 21 with heat transfer chamber 4 intercommunication, and wherein, inlet tube 1 communicates with the water inlet, lets in outside liquid water in heat transfer chamber 4 through the water inlet to take place the heat transfer with heat transfer device 3 in heat transfer chamber 4 and form vapor, finally discharge to reforming unit from vapor discharge port 21.
A steam-water separation grid 11 is arranged on the top wall of one side of the water inlet pipe 1 facing the heat exchange cavity 4, the steam-water separation grid 11 is positioned outside the shell 2, because the temperature of the working environment of the water vapor generating device is higher (about 100 ℃ to 200 ℃), the liquid water in the water inlet pipe 1 can exchange heat with the external environment before being introduced into the heat exchange cavity 4 from the water inlet, so that the liquid water in the water inlet pipe 1 generates a part of water vapor, and the part of water vapor generated in the water inlet pipe 1 is separated out of the water inlet pipe 1 from the steam-water separation grid 11 when passing through the steam-water separation grid 11, so that the water in the water inlet pipe 1 is kept in a liquid state before entering the heat exchange cavity 4, the pressure fluctuation at the steam outlet 21 caused by the unstable airflow in the heat exchange cavity 4 due to the gas entering the heat exchange cavity 4 is avoided, thereby enabling the steam generator to continuously and stably supply steam to the reformer.
In the reforming reaction process, the proportion of the carbon fuel and the steam is controlled, the dispersibility of the steam is improved, and the mixing uniformity of the steam and the carbon fuel is improved, so that the system efficiency is improved, and the durability of the electric pile is improved. Therefore, the steam generator provided by the embodiment can continuously and stably supply the steam to the reforming device, and can ensure the stability and reliability of the reforming reaction in the reforming device and the electrochemical reaction in the electric pile.
Specifically, in this embodiment, the structure of the steam-water separation grille 11 is not limited, and the water vapor in the water inlet pipe 1 may be discharged when passing through the steam-water separation grille 11.
In the above embodiment, the water vapor generating device further includes a water tank 5 and a circulation steam pipe 6, the water tank 5 is used for supplying water to the water inlet pipe 1, that is, the water inlet pipe 1 is communicated between the water tank 5 and the heat exchange cavity 4, and is used for conveying water in the water tank 5 into the heat exchange cavity 4, the circulation steam pipe 6 is connected between the water tank 5 and the steam-water separation grille 11, and is used for discharging the steam in the water inlet pipe 1 to the water tank 5, that is, in this embodiment, the steam formed in the water inlet pipe 1 can enter the circulation steam pipe 6 through the steam-water separation grille 11 and returns to the water tank 5 again, and the water is condensed in the water tank 5 to be liquid water and enter the water inlet pipe 1 again to realize water circulation. In this embodiment, the water tank 5 is further provided with a water inlet 51 and a water outlet 52 for supplying and discharging water to and from the water tank 5, respectively.
In the above embodiment, the steam generating device further includes a first temperature sensor 14 and an on-off valve 61, the first temperature sensor 14 is disposed on one side of the water inlet pipe 1 facing the casing 2 and located outside the casing 2, the first temperature sensor 14 is used for detecting the temperature of the liquid water in the water inlet pipe 1 before entering the heat exchange cavity 4, the on-off valve 61 is disposed on the circulation steam pipe 6 and used for controlling the opening and closing of the circulation steam pipe 6, when the temperature detected by the first temperature sensor 14 reaches a preset temperature value, steam can be formed in the water inlet pipe 1, and at this time, the on-off valve 61 is opened, so that the steam formed in the water inlet pipe 1 is discharged into the water tank 5 through the steam-water separation grid 11 and the circulation steam pipe 6; when the temperature detected by the first temperature sensor 14 is lower than the preset temperature value, the liquid water in the water inlet pipe 1 does not generate steam, and at the moment, the on-off valve 61 is closed, so that the liquid water can be prevented from flowing out along the steam-water separation grid 11. This temperature sensor and on-off valve 61's setting can make this catch water 11 open according to the condition selectivity of liquid water before getting into heat transfer chamber 4, when guaranteeing that the vapor in inlet tube 1 can discharge, can avoid the liquid water in the inlet tube 1 to discharge along here, and the flexibility is good.
When the temperature of the liquid water in the water inlet pipe 1 reaches the preset temperature value, steam will be generated in the water inlet pipe 1, and when the temperature of the liquid water in the water inlet pipe 1 does not reach the preset temperature value, the water in the air inlet pipe 1 will keep a liquid state. Specifically, in this embodiment, the specific numerical range of the preset temperature value is not limited, and may be set according to the conditions such as the geographical location of the water vapor generation device, or may be summarized according to multiple tests.
In addition, circulation steam pipe 6 still is equipped with third temperature sensor 62 for detect the temperature in circulation steam pipe 6, and this third temperature sensor 62's setting can be used for calibrating first temperature sensor 14, avoids because first temperature sensor 14 takes place to damage etc. and makes the vapor in inlet tube 1 let in heat exchange cavity 4.
In the above embodiment, the side wall of the water inlet pipe 1 is further provided with the heat insulation layer 12, and the arrangement of the heat insulation layer 12 can reduce the heat exchange between the water in the water inlet pipe 1 and the external environment, so as to reduce the amount of water vapor generated in the water inlet pipe 1, and ensure that the water inlet pipe 1 can continuously and stably introduce liquid water into the heat exchange cavity 4.
Further, this insulating layer 12 is for locating the thermal-insulated chamber of inlet tube 1 outer wall, and the inside in thermal-insulated chamber is full of the insulating gas of low coefficient of heat conductivity such as air, argon gas, carbon dioxide, perhaps, can also set up this insulating layer 12 to set firmly all can in the heat insulating mattress of inlet tube 1's outer wall etc. do not do specific limitation here. The scheme that the heat insulation layer 12 is provided with the heat insulation cavity filled with heat insulation gas inside does not need to change the water inlet pipe 1, is convenient for arrangement of the heat insulation layer 12, and can ensure that the heat insulation layer 12 is high temperature resistant and has long service life. Specifically, the thickness of the thermal insulation layer 12 is not required, and is set to be 0.2mm as in the present embodiment, and certainly, the thickness may be set to be other dimensions, such as 0.1 to 0.5 nn.
In the above embodiment, the water inlet pipe 1 is further provided with the regulating valve 13 for regulating the flow rate of the liquid water entering the heat exchange chamber 4 through the water inlet pipe 1, and the steam outlet 21 is further provided with the pressure sensor 22 and the second temperature sensor 23, and the pressure sensor 22 and the second temperature sensor 23 are arranged for monitoring the pressure and temperature conditions of the steam discharged from the steam outlet 21 to the reforming device and judging the discharge condition of the steam in the heat exchange chamber 4 according to the pressure and the temperature. Specifically, the opening degree of the regulating valve 13 can be adjusted in real time through data detected by the pressure sensor 22 and the second temperature sensor 23 and parameters such as the steam quantity required by the reforming device, so as to control the liquid water quantity entering the heat exchange cavity 4 through the water inlet pipe 1, so that the steam discharged from the steam outlet 21 can be maintained stable, and the pressure fluctuation at the steam outlet is ensured to be stable at about 4mbar and maximally not more than 16 mbar.
In the above embodiment, the water vapor generating device further includes a water drop device 7 disposed in the heat exchange cavity 4, one end of the water drop device 7 is communicated with the water inlet pipe 1, and the other end is provided with a plurality of water drops 71, that is, in this embodiment, the liquid water in the water inlet pipe 1 is introduced into the heat exchange cavity 4 through the water drop device 7. So set up, can avoid because under the extreme condition, the vapor in the inlet tube 1 is more and not make the vapor in the inlet tube 1 let in the heat transfer chamber 4 from the steam-water separation grid 11 exhaust, at this moment, if the steam volume that inlet tube 1 let in the heat transfer chamber 4 is great, let in the pressure fluctuation that can reduce the vapor that lets in the heat transfer chamber 4 bleed through a plurality of drippers 71, and then reduce the pressure fluctuation of vapor discharge port 21 department, guarantee that it can be evenly, discharge vapor to the reforming apparatus in steadily.
Furthermore, the height of each dripper 71 is the same (i.e. the height position of each dripper 71 in the heat exchange cavity 4 is the same), and each dripper 71 is evenly spaced and arranged in the middle region of the heat exchange cavity 4, and the middle region of the heat exchange cavity 4 is a partial region extending outwards from the center of the transverse section, so that the arrangement can ensure that liquid water can uniformly exchange heat with the heat exchange device 3 when being dripped into the heat exchange cavity 4 by a plurality of drippers 71, and simultaneously, the vapor in the water inlet pipe 1 can be uniformly and stably introduced into the heat exchange cavity 4, thereby reducing the air flow air entraining fluctuation in the heat exchange cavity 4 and ensuring the stability of the vapor in the heat exchange cavity 4.
In the above embodiment, the end of the water inlet pipe 1 communicating with the water droplet device 7 is provided with the conical structure 15, and the small diameter end of the conical structure 15 is connected with the water droplet device 7. This toper structure 15 forms the throttle structure, specifically, liquid water in inlet tube 1 is when flowing through this toper structure 15, because the cross section reduces, under the same flow, pressure increase, simultaneously because water droplet device 7 need be with liquid water injection to each water dropper 71 and base to heat transfer chamber 4 in, that is to say, liquid water after pressure increase is after getting into water droplet device 7 through toper structure 15, the cross section increases suddenly, pressure reduction and temperature reduction, so set up and can avoid taking place the liquid water in water dropper 71 and taking place the heat exchange and boil and produce the condition of vapor in water dropper 71 with outside heat transfer chamber 4, and then guarantee to be the liquid state by the water that each water dropper 71 drips to heat transfer chamber 4.
In this embodiment, as shown in fig. 1, a cavity is disposed inside the heat exchanging device 3, and the cavity is provided with a fluid inlet 33 and a fluid outlet 34 for circulating a heat exchanging fluid, specifically, the heat exchanging fluid may be high-temperature hot air generated by combustion of a burner of the solid oxide fuel cell system, or may be high-temperature liquid, and the like, which is not limited specifically herein. This heat transfer fluid is for being used for taking place the heat transfer with liquid water, this heat transfer device 3's top still is equipped with pit 31, the below of the water inlet of casing 2 is located to this pit 31, liquid water that gets into in heat transfer chamber 4 through inlet tube 1 (water droplet device 7) can just fall into in pit 31, and partial can form vapor in pit 31 internal liquid water, and remaining liquid water fills up and to spill over outwards along the circumference of pit 31 behind pit 31, and flow downwards along the outer wall of cavity, and liquid water is at the in-process that flows downwards along the outer wall of cavity, will take place the heat transfer and form vapor with the heat transfer fluid in the cavity.
The heat exchanger 3 in this embodiment is a plate heat exchanger, and of course, the specific structure of the heat exchanger 3 is not limited, and it may be a tubular heat exchanger. This pit 31 set up can buffer liquid water to liquid water in the pit 31 can guarantee the even distribution of liquid water meeting when outwards overflowing on the lateral wall surface of cavity, guarantee with the abundant heat transfer of heat exchanger. In addition, in this embodiment, the heat exchanging device 3 is a cylindrical structure, and the upper end surface of the heat exchanging device is provided with a circular recess 31, or the heat exchanging device can be further configured to have a polygonal cross section, the shape of the recess 31 is regular or irregular, the shape of the recess 31 is matched with the shape of the cross section of the heat exchanging device 3, and the size, the depth and the like of the recess 31 are not particularly required, and the heat exchanging device can be specifically configured according to the size of the cross section of the heat exchanging device 3.
Further, the lateral wall of cavity still is equipped with fin 32, can further increase heat transfer area, can guarantee the evaporation effect of liquid water, promote the evaporation efficiency of liquid water. Alternatively, in this embodiment, the outer side wall of the cavity may be provided with a fin, or the surface of the outer side wall of the cavity may be provided with a corrugated structure, and the like, which is not limited specifically herein.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A water vapor generating device of a solid oxide fuel cell system is characterized by comprising a water inlet pipe (1), a shell (2) and a heat exchange device (3) arranged in the shell (2);
a heat exchange cavity (4) is formed between the outer wall of the heat exchange device (3) and the inner wall of the shell (2), the water inlet pipe (1) is communicated with the heat exchange cavity (4) and is used for introducing liquid water into the heat exchange cavity (4), and the liquid water can exchange heat with the heat exchange device (3) in the heat exchange cavity (4) to form water vapor;
the shell (2) is also provided with a steam outlet (21) for discharging the steam in the heat exchange cavity (4) to a reforming device;
the water inlet pipe (1) faces the top wall of one side of the shell (2) and is provided with a steam-water separation grid (11).
2. A water vapor generating device according to claim 1, further comprising a water tank (5) and a circulating steam pipe (6), the water tank (5) being for supplying water to the water inlet pipe (1), the circulating steam pipe (6) being connected between the water tank (5) and the steam-water separation grid (11).
3. A water vapor generating device according to claim 2, further comprising a first temperature sensor (14) and an on-off valve (61), the first temperature sensor (14) being provided on a side of the water inlet pipe (1) facing the housing (2);
the on-off valve (61) is arranged on the circulation steam pipe (6), and the on-off valve (61) is opened when the temperature detected by the first temperature sensor (14) reaches a preset temperature value and is closed when the temperature detected by the first temperature sensor (14) is lower than the preset temperature value.
4. A water vapor generating device according to any one of claims 1-3, characterized in that the side wall of the water inlet pipe (1) is further provided with a heat insulating layer (12).
5. A water vapor generating device according to claim 4, characterized in that the heat insulating layer (12) is a heat insulating chamber provided in the outer wall of the water inlet pipe (1), and the heat insulating chamber is filled with air, argon or carbon dioxide.
6. A water vapor generating device according to any one of claims 1-3, characterized in that the water inlet pipe (1) is further provided with a regulating valve (13), and the water vapor outlet (21) is further provided with a pressure sensor (22) and a second temperature sensor (23).
7. A water vapor generating device according to any one of claims 1-3, further comprising a water droplet device (7) arranged in the heat exchange chamber (4), the water droplet device (7) being in communication with the water inlet pipe (1), and the water droplet device (7) comprising a plurality of water droplets (71).
8. A water vapor generating device according to claim 7, wherein each of said drippers (71) has the same height and is uniformly spaced.
9. A water vapor generating device according to claim 7, characterized in that the end of the water inlet pipe (1) communicating with the water droplet means (7) is provided with a conical structure (15), and the small diameter end of the conical structure (15) is connected with the water droplet means (7).
10. A solid oxide fuel cell system comprising a reformer and a water vapor generator as claimed in any one of claims 1 to 9.
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| CN201920828330.8U CN209896182U (en) | 2019-06-03 | 2019-06-03 | Solid oxide fuel cell system and water vapor generating device thereof |
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| CN201920828330.8U CN209896182U (en) | 2019-06-03 | 2019-06-03 | Solid oxide fuel cell system and water vapor generating device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022101659A1 (en) * | 2020-11-11 | 2022-05-19 | Ceres Intellectual Property Company Limited | Solid oxide fuel cell system and steam generator thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022101659A1 (en) * | 2020-11-11 | 2022-05-19 | Ceres Intellectual Property Company Limited | Solid oxide fuel cell system and steam generator thereof |
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