CN217544669U - Integrated hydrogen storage alloy hydrogen supply fuel cell system - Google Patents
Integrated hydrogen storage alloy hydrogen supply fuel cell system Download PDFInfo
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- CN217544669U CN217544669U CN202221341273.9U CN202221341273U CN217544669U CN 217544669 U CN217544669 U CN 217544669U CN 202221341273 U CN202221341273 U CN 202221341273U CN 217544669 U CN217544669 U CN 217544669U
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Abstract
The utility model relates to a fuel cell technical field discloses a hydrogen storage alloy hydrogen supply fuel cell system of integration. The fuel cell system comprises a fuel cell stack, a hydrogen storage tank, a hydrogen supply system, an air supply system, a thermal management system and a control system. The utility model discloses a hydrogen storage tank exit is provided with three-dimensional netted electric heater, is equipped with heat-conducting fluid flow pipe in the jar, and is provided with the fin on the pipeline and increases heating area. When the system is operated, the high-temperature heat-conducting fluid flowing out of the fuel cell stack heats the hydrogen storage tank, the hydrogen discharging process of the hydrogen storage alloy is accelerated, and the system is in a dynamic balance state; in the hydrogenation process, the heat released by the hydrogen storage alloy is utilized to maintain the temperature of the galvanic pile, so that cold start is avoided. The utility model discloses a fuel cell pile's waste heat utilization has reduced energy consumption, avoids the high-power radiator of installation in the system, has reduced system's volume and cost.
Description
Technical Field
The utility model belongs to the technical field of fuel cell, a hydrogen storage alloy hydrogen supply fuel cell system of integration is related to.
Background
The hydrogen energy has the advantages of cleanness, high efficiency, reproducibility and the like. In the face of increasingly outstanding environmental problems in the world, hydrogen fuel cells have the advantages of environmental protection and high energy conversion rate, so that the hydrogen fuel cells become a new technology industry which is vigorously supported by various countries, and the fuel cell technology is expected to be applied in large scale in the fields of automobiles, power generation, aerospace and the like.
At present, the storage and transportation modes of hydrogen mainly include the following modes: high pressure gaseous hydrogen storage, low temperature liquid hydrogen storage, organic liquid storage and transportation, and solid hydrogen storage. The solid hydrogen storage is to store hydrogen in a solid material, and the hydrogen which can be stored in the same volume is more than twice of that of liquid hydrogen storage, and the storage pressure is low and the safety is good. In the solid-state hydrogen storage technology, the utilization of metal hydride as the hydrogen storage material is relatively well developed. When hydrogen absorption and desorption reactions occur in the hydrogen storage tank, the hydrogen storage alloy is generally accompanied by heat absorption and desorption. During dehydrogenation, the hydrogen storage alloy needs to absorb heat to release hydrogen gas, and therefore a heating device needs to be provided in the hydrogen storage tank. During hydrogenation, the hydrogen storage alloy releases heat. How to fully utilize the heat released by the hydrogen storage alloy, reduce energy consumption and improve energy utilization rate has very important significance.
The invention discloses a Chinese patent application with the publication number of CN108011114A and a method for starting a vehicle fuel cell at a low temperature by using an alloy hydrogen storage material. The method for low-temperature starting comprises the following steps: hydrogen in the high-pressure gas cylinder charges hydrogen to the alloy hydrogen storage tank, the hydrogen storage material releases heat when charging hydrogen, cooling liquid in a water tank is heated, when the cooling liquid reaches a set temperature, a circulating water pump is started to heat a fuel cell stack, when the temperature of the stack reaches a set operable temperature, hydrogen charging is stopped, and a fuel cell system is started. Although the invention provides a thought of utilizing the heat released by the hydrogen storage alloy to solve the problem of low-temperature starting, the heat is not fully utilized, and the whole vehicle needs a high-pressure gas cylinder to store hydrogen, thereby reducing the safety.
SUMMERY OF THE UTILITY MODEL
To the existing problem, the utility model aims to provide a fuel cell system that hydrogen storage alloy that energy utilization is higher, safer, the integration supplies hydrogen.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
An integrated hydrogen storage alloy hydrogen supply fuel cell system comprises a fuel cell stack, a hydrogen storage tank, a hydrogen supply device, an air supply device, a heat exchange circulating device and a control device, wherein hydrogen storage alloy with a hydrogen adding and releasing function is stored in the hydrogen storage tank, hydrogen released by the hydrogen storage alloy provides fuel for the fuel cell stack through the hydrogen supply device, the air supply device provides air for the fuel cell stack, the heat exchange circulating device is used for realizing heat transfer between the hydrogen storage tank and the fuel cell stack, and the control device is in control connection with the hydrogen storage tank, the hydrogen supply device, the air supply device and the heat exchange circulating device; wherein, an electric heating device is arranged at the hydrogen outlet of the hydrogen storage tank; the heat exchange circulating device comprises a radiator, a heat exchange circulating pump, a first circulating pipeline, a second circulating pipeline and a bypass pipeline; the heat-conducting fluid outlet of the fuel cell stack is connected with the heat-conducting fluid inlet of the hydrogen storage tank through the second circulating pipeline, the heat-conducting fluid inlet of the fuel cell stack is connected with the heat-conducting fluid outlet of the hydrogen storage tank through the first circulating pipeline, and the hydrogen storage tank, the first circulating pipeline, the fuel cell stack and the second circulating pipeline jointly form a heat exchange circulating loop; the heat exchange circulating pump is arranged on the heat exchange circulating loop; the bypass pipeline is connected between the first circulation pipeline and the second circulation pipeline, and the radiator is arranged on the bypass pipeline; a third valve is arranged on the bypass pipeline; and a first temperature sensor and a second temperature sensor are respectively arranged at a heat-conducting fluid inlet and a heat-conducting fluid outlet of the fuel cell stack.
More preferably, the hydrogen storage alloy is hydrogen storage alloy particles arranged in the hydrogen storage tank, and the hydrogen storage alloy particles are ZrCo alloy particles, laNi alloy particles or Mg 2 Ni alloy particles.
More preferably, the electric heating device has a three-dimensional network structure, and the hydrogen storage alloy particles are attached to the three-dimensional network structure.
More preferably, a heat exchange pipeline for heat transfer fluid to flow through is arranged in the hydrogen storage tank, the heat exchange pipeline is coiled in the hydrogen storage tank, and the heat exchange pipeline is provided with fins.
More preferably, the hydrogen supply device includes a second valve disposed at a hydrogen outlet of the hydrogen storage tank, a hydrogen flowmeter is disposed behind the second valve, and the control device is in control connection with the second valve and the hydrogen flowmeter.
More preferably, a hydrogen circulating pump is connected between the hydrogen inlet and the hydrogen outlet of the fuel cell stack, and the hydrogen circulating pump is in control connection with the control device.
More preferably, the air supply device is provided with a supply valve, a flow meter and a humidity adjusting device which are controlled by the control device, and the supply valve, the flow meter and the humidity adjusting device are used for controlling the air flow, the pressure and the humidity entering the fuel cell stack.
The control method in the startup state is as follows: starting the electrical heating device in the hydrogen storage tank while starting the fuel cell system; hydrogen is released by the hydrogen storage alloy to enter the fuel cell stack, and the fuel cell stack normally operates; and heat-conducting fluid starts to enter the fuel cell stack for cooling, and the heated heat-conducting fluid enters the heat exchange pipeline of the hydrogen storage tank to heat the hydrogen storage alloy.
The control method after the system stably operates comprises the following steps: closing the electric heating device in the hydrogen storage tank, wherein the heat of the fuel cell system is in a dynamic balance state; at the moment, high-temperature heat-conducting fluid flowing out of the fuel cell stack enters the hydrogen storage tank to heat the hydrogen storage alloy, and the temperature of the heat-conducting fluid is reduced; the cooled heat-conducting fluid enters the fuel cell stack to cool the fuel cell stack, and the temperature of the heat-conducting fluid is increased; and circulating in this way.
When the fuel cell stack is in a high-power running state, the radiator is started to perform auxiliary heat dissipation, at the moment, part of high-temperature heat-conducting fluid flowing out of the fuel cell stack flows into the radiator to cool, part of high-temperature heat-conducting fluid flows into the hydrogen storage tank to heat the hydrogen storage alloy, and the cooled heat-conducting fluid is mixed and then flows into the fuel cell stack again.
When the fuel cell stack is in a high-power operation state, whether the radiator is needed to be used for assisting in heat dissipation is judged by monitoring the consumption of hydrogen in the hydrogen storage tank and the temperature of heat-conducting fluid entering the fuel cell stack.
In the hydrogenation process of the hydrogen storage tank, low-temperature heat-conducting fluid is used for taking away heat; flowing high-temperature heat-conducting fluid flowing out of the hydrogen storage tank into the fuel cell stack to maintain the temperature of the fuel cell stack; when the temperature of the heat-conducting fluid flowing into the fuel cell stack is monitored to be overhigh, the radiator is started, at the moment, a part of the high-temperature heat-conducting fluid flowing out of the hydrogen storage tank flows into the radiator to be cooled, and a part of the high-temperature heat-conducting fluid flows into the fuel cell stack to maintain the temperature of the fuel cell stack.
Compared with the prior art, the utility model discloses following beneficial effect has.
1) The hydrogen desorption process for hydrogen storage alloys typically requires heating to increase the rate of hydrogen desorption, and conventional systems typically use electrical heating. And the utility model discloses make full use of the heat that fuel cell pile produced for the heating of hydrogen storage alloy, realized the circulation and the make full use of waste heat, energy-conserving effect is showing.
2) The utility model provides an electric heating device is three-dimensional network structure, and this structure does benefit to and stores up hydrogen alloy granule and attaches to it, has increased heating device and stores up hydrogen alloy's area of contact, has shortened the heating start-up time.
3) The utility model provides an install the fin on the heat-conducting fluid runner, increased the area of contact of hydrogen storage alloy with the cooling runner, improved heating efficiency.
4) In a traditional fuel cell system, a high-power radiator is often needed for cooling and radiating, and the radiator is often large in size and high in energy consumption. And the utility model discloses in, the hydrogen storage tank has played radiating effect during the system operation, sets up small-size radiator and only is used for supplementary heat dissipation, when reducing the energy consumption, has reduced fuel cell system's volume and cost.
5) The utility model discloses in, utilize the heat that hydrogenation process hydrogen storage alloy released to maintain the temperature of fuel cell galvanic pile, avoid the galvanic pile cold start phenomenon to appear, improved energy utilization.
Drawings
Fig. 1 is a schematic diagram of a fuel cell system according to the present invention.
Fig. 2 is a schematic structural view of a hydrogen storage tank according to an embodiment of the present invention.
Reference numerals indicate the same.
1: fuel cell stack, 2: hydrogen storage tank, 3: hydrogen gas supply device, 4: air supply device, 5: heat exchange cycle device, 6: and a control device.
2-1: electric heating device, 2-2: heat exchange pipeline, 2-3: hydrogen storage alloy particles, 2-4: a first valve.
3-1: second valve, 3-2: hydrogen flowmeter, 3-3: and a hydrogen circulating pump.
5-1: radiator, 5-2: heat exchange circulating pump, 5-3: first circulation line, 5-4: second circulation line, 5-5: bypass line, 5-6: third valve, 5-7: first temperature sensor, 5-8: a second temperature sensor.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected with each other or connected with each other through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature "above," "below," and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply an elevation where the first feature is at a higher level than the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
As shown in fig. 1, an integrated hydrogen storage alloy hydrogen supply fuel cell system includes a fuel cell stack 1, a hydrogen storage tank 2, a hydrogen supply device 3, an air supply device 4, a heat exchange circulation device 5 and a control device 6, wherein the hydrogen storage alloy is stored in the hydrogen storage tank 2 and has a hydrogen adding and releasing function, hydrogen released by the hydrogen storage alloy provides fuel for the fuel cell stack 1 through the hydrogen supply device 3, the air supply device 4 provides air for the fuel cell stack 1, the heat exchange circulation device 5 is used for realizing heat transfer between the hydrogen storage tank 2 and the fuel cell stack 1, and the control device 6 is in control connection with the hydrogen storage tank 2, the hydrogen supply device 3, the air supply device 4 and the heat exchange circulation device 5.
MHn is stored in the hydrogen storage tank, wherein M is hydrogen storage alloy, such as ZrCo alloy, laNi alloy, and Mg 2 Ni, etc. may be used, MHn is a hydrogen storage hydride. The hydrogen discharging process of the hydrogen storage alloy isThe endothermic process requires an increase in the hydrogen desorption rate by heating, and the higher the temperature, the higher the hydrogen desorption rate of the hydrogen occluding alloy. On the contrary, a large amount of heat is released in the hydrogenation process, and the heat needs to be dissipated for the hydrogen storage tank in time.
Fig. 2 is a schematic structural diagram of the hydrogen storage tank 2 in this embodiment, and a first valve 2-4 is provided at a hydrogenation port of the hydrogen storage tank 2. An electric heating device 2-1 is arranged at the hydrogen outlet of the hydrogen storage tank 2 and is used for heating the hydrogen storage alloy particles 2-3 in the hydrogen storage tank 2. The electric heating device 2-1 is a three-dimensional net structure, which is beneficial to attaching the hydrogen storage alloy particles 2-3 on the electric heating device and shortens the heating time. The hydrogen storage tank is internally provided with a heat exchange pipeline 2-2, and the hydrogen storage alloy particles 2-3 are fully heated by utilizing heat-conducting fluid in the heat exchange pipeline 2-2. The heat exchange pipeline 2-2 is spirally arranged inside the hydrogen storage tank 2, and fins are arranged on the heat exchange pipeline 2-2, so that the heating area is increased.
Referring again to fig. 1, the hydrogen gas supply device 3 includes a second valve 3-1 provided at the outlet of the hydrogen storage tank 2 for controlling the flow rate of hydrogen gas into the fuel cell stack 1. A hydrogen flowmeter 3-2 is arranged behind the second valve 3-1, the real-time flow of the hydrogen is monitored, and the total amount of the hydrogen flowing out of the hydrogen storage tank can be obtained after the flow and the time are integrated by a control device 6. The control device 6 is in control connection with the second valve 3-1 and the hydrogen flowmeter 3-2 and is used for controlling the hydrogen flow, pressure and the like entering the fuel cell stack 1. A hydrogen circulating pump 3-3 is connected between the hydrogen inlet and the hydrogen outlet of the fuel cell stack 1 for realizing the recycling of residual hydrogen.
The air supply device 4 is provided with a supply valve, a flow meter and a humidity adjusting device which are controlled by the control device 6 and are used for controlling the air flow, the pressure, the humidity and the like entering the fuel cell stack 1.
The heat exchange circulating device 5 is used for realizing heat exchange circulation between the fuel cell stack 1 and the hydrogen storage tank 2 and heat dissipation during hydrogenation of the hydrogen storage tank. The heat exchanger comprises a radiator 5-1, a heat exchange circulating pump 5-2, a first circulating pipeline 5-3, a second circulating pipeline 5-4 and a bypass pipeline 5-5; a heat-conducting fluid outlet of the fuel cell stack 1 is connected with a heat-conducting fluid inlet of the hydrogen storage tank 2 through a second circulating pipeline 5-4, a heat-conducting fluid inlet of the fuel cell stack 1 is connected with a heat-conducting fluid outlet of the hydrogen storage tank 2 through a first circulating pipeline 5-3, and the hydrogen storage tank 1, the first circulating pipeline 5-3, the fuel cell stack 1 and the second circulating pipeline 5-4 jointly form a heat exchange circulating loop; the heat exchange circulating pump 5-2 is arranged on the heat exchange circulating loop; the bypass pipeline 5-5 is connected between the first circulating pipeline 5-3 and the second circulating pipeline 5-4, and the radiator 5-1 is arranged on the bypass pipeline 5-5; a third valve 5-6 is arranged on the bypass pipeline 5-5; a first temperature sensor 5-7 and a second temperature sensor 5-8 are respectively arranged at the heat-conducting fluid inlet and the heat-conducting fluid outlet of the fuel cell stack 1.
When the device works, heat-conducting fluid circularly flows between the fuel cell stack 1 and the hydrogen storage tank 2 under the driving of the heat exchange circulating pump 5-2, the third valve 5-6 is used for controlling the flow of the heat-conducting fluid entering the radiator 5-1, the first temperature sensor 5-7 and the second temperature sensor 5-8 are used for measuring the temperature of the heat-conducting fluid entering and exiting the fuel cell stack 1, and acquired data are returned to the control device 6.
The integrated hydrogen storage alloy hydrogen supply fuel cell system provided by the embodiment adopts the following control method.
1) And (4) starting the state.
The fuel cell system is started up while the electric heating device 2-1 of the hydrogen storage tank 2 is turned on. Heating to make MH n Hydrogen is released and enters the fuel cell stack 1 to react to generate heat. The temperature of the heat-conducting fluid flowing out of the fuel cell stack 1 is continuously increased, and the temperature T of the heat-conducting fluid flowing out of the fuel cell stack 1 is obtained by monitoring the temperature of the heat-conducting fluid at the outlet of the fuel cell stack 1 by the second temperature sensor 5-8 in real time out . When the measured temperature T of the heat transfer fluid out Above a predetermined value T L When the electric heating device 2-1 is turned off. The heat conducting fluid can completely provide the heat required by the hydrogen discharging process of the hydrogen storage alloy.
2) And (5) stabilizing the running state.
When the second temperature sensor 5-8 at the outlet of the fuel cell stack 1 measures the temperature T of the heat-conducting fluid out In a predetermined temperature interval T L ,T H ]At the same time, the system heat is in a dynamic equilibrium state. At this time, the low-temperature heat transfer fluid flows into the fuel cell stack 1, and the fuelThe high-temperature heat-conducting fluid flowing out of the cell stack 1 enters the hydrogen storage tank 2 to heat the hydrogen storage alloy, and the temperature of the heat-conducting fluid is reduced. And the cooled heat-conducting fluid flows through the heat exchange circulating pump 5-2 and then enters the fuel cell stack 1 again to cool the fuel cell stack 1.
When the power of the fuel cell needs to be increased, more hydrogen and oxygen need to be supplied to the fuel cell stack 1, and the amount of heat released from the fuel cell stack 1 increases with the increase of the power. The temperature of the heat transfer fluid flowing out of the fuel cell stack 1 increases as the power of the fuel cell stack 1 increases, and the temperature at which the hydrogen storage alloy is heated increases. The rate of hydrogen release from the hydrogen storage alloy increases with increasing heating temperature, providing more hydrogen to the stack. The whole system is still in a dynamic balance state.
3) A high power operating state.
When the fuel cell system is in operation, the first temperature sensor 5-7 at the inlet of the fuel cell stack 1 monitors the temperature T of the heat-conducting fluid flowing into the fuel cell stack 1 in real time in The hydrogen flow rate q is monitored by the hydrogen flow meter 3-2 at the outlet of the hydrogen storage tank 2 in real time, and the total consumption V of the hydrogen can be calculated by integrating the hydrogen flow rate with time. The temperature T of the heat-conducting fluid flowing into the fuel cell stack 1 can be prepared by carrying out experiments for a plurality of times in advance in And the consumption V of the hydrogen and whether the radiator 5-1 is required to be used for auxiliary heat radiation. According to the temperature T of the heat-conducting fluid in And when the consumption V of the hydrogen gas is judged to obtain the requirement of auxiliary heat dissipation, opening a third valve 5-6 in front of the radiator 5-1, and starting the radiator 5-1. At the moment, part of the high-temperature heat-conducting fluid flowing out of the fuel cell stack 1 flows into the radiator 5-1 to be cooled, and part of the high-temperature heat-conducting fluid flows into the hydrogen storage tank 2 to heat the hydrogen storage alloy. The cooled heat-conducting fluid is mixed and flows into the fuel cell stack 1 again after passing through the heat exchange circulating pump 5-2.
4) Hydrogenation state.
When the hydrogen in the hydrogen storage tank 2 is used up, the hydrogen storage tank 2 needs to be hydrogenated, and the fuel cell stack 1 stops operating. The hydrogen storage alloy releases a large amount of heat in the hydrogenation process, and the heat is taken away by utilizing the heat-conducting fluid. The heat carried away by the heat-conducting fluid can pass throughConsumption was performed in the following manner: a) The high-temperature heat-conducting fluid flowing out of the hydrogen storage tank 2 flows into the fuel cell stack 1 to maintain the temperature of the stack, and cold start of the stack when the stack operates again is avoided. b) In the hydrogenation process, the first temperature sensor 5-7 at the inlet of the fuel cell stack 1 monitors the temperature T of the heat-conducting fluid flowing in real time in When T is in Above a predetermined value T limit When the radiator 5-1 is started, part of the high-temperature heat-conducting fluid flowing out of the hydrogen storage tank 2 flows into the radiator 5-1 to be cooled, and part of the high-temperature heat-conducting fluid flows into the fuel cell stack 1 to maintain the temperature.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the invention is not limited to the specific embodiments described above, and that modifications and substitutions based on known techniques in the art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (7)
1. An integrated hydrogen storage alloy hydrogen supply fuel cell system comprises a fuel cell stack, a hydrogen storage tank, a hydrogen supply device, an air supply device, a heat exchange circulation device and a control device, wherein hydrogen storage alloy with a hydrogen adding and releasing function is stored in the hydrogen storage tank, hydrogen released by the hydrogen storage alloy provides fuel for the fuel cell stack through the hydrogen supply device, the air supply device provides air for the fuel cell stack, the heat exchange circulation device is used for realizing heat transfer between the hydrogen storage tank and the fuel cell stack, and the control device is in control connection with the hydrogen storage tank, the hydrogen supply device, the air supply device and the heat exchange circulation device; it is characterized in that the preparation method is characterized in that,
an electric heating device is arranged at the hydrogen outlet of the hydrogen storage tank;
the heat exchange circulating device comprises a radiator, a heat exchange circulating pump, a first circulating pipeline, a second circulating pipeline and a bypass pipeline; a heat-conducting fluid outlet of the fuel cell stack is connected with a heat-conducting fluid inlet of the hydrogen storage tank through the second circulating pipeline, a heat-conducting fluid inlet of the fuel cell stack is connected with a heat-conducting fluid outlet of the hydrogen storage tank through the first circulating pipeline, and the hydrogen storage tank, the first circulating pipeline, the fuel cell stack and the second circulating pipeline jointly form a heat exchange circulating loop; the heat exchange circulating pump is arranged on the heat exchange circulating loop; the bypass pipeline is connected between the first circulating pipeline and the second circulating pipeline, and the radiator is arranged on the bypass pipeline; a third valve is arranged on the bypass pipeline; and a first temperature sensor and a second temperature sensor are respectively arranged at a heat-conducting fluid inlet and a heat-conducting fluid outlet of the fuel cell stack.
2. An integrated hydrogen storage alloy hydrogen supply fuel cell system according to claim 1, wherein said hydrogen storage alloy is hydrogen storage alloy particles provided in said hydrogen storage tank, said hydrogen storage alloy particles being ZrCo alloy particles, laNi alloy particles or Mg 2 Ni alloy particles.
3. An integrated hydrogen occluding alloy and hydrogen supplying fuel cell system as set forth in claim 2, wherein said electric heating means has a three-dimensional network structure to which said hydrogen occluding alloy particles are attached.
4. An integrated hydrogen storage alloy hydrogen supply fuel cell system as claimed in claim 1, wherein heat exchange tubes for heat transfer fluid to flow through are provided in said hydrogen storage tank, said heat exchange tubes are coiled in said hydrogen storage tank, and fins are provided on said heat exchange tubes.
5. An integrated hydrogen occluding alloy hydrogen supplying fuel cell system as set forth in claim 1, wherein said hydrogen supplying means comprises a second valve provided at a hydrogen gas outlet of said hydrogen storage tank, a hydrogen gas flow meter is provided behind said second valve, and said control means is in control connection with said second valve and said hydrogen gas flow meter.
6. An integrated hydrogen occluding alloy hydrogen supplying fuel cell system as recited in claim 1, wherein a hydrogen circulating pump is connected between a hydrogen inlet and a hydrogen outlet of said fuel cell stack, and said hydrogen circulating pump is in control connection with said control device.
7. An integrated hydrogen occluding alloy hydrogen supply fuel cell system as recited in claim 1, wherein said air supply device is provided with a supply valve, a flow meter and a humidity adjusting device controlled by said control device for controlling the flow rate, pressure and humidity of air entering said fuel cell stack.
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| CN115632148A (en) * | 2022-11-29 | 2023-01-20 | 北京海望氢能科技有限公司 | Hybrid power generation system and method |
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| CN115632148A (en) * | 2022-11-29 | 2023-01-20 | 北京海望氢能科技有限公司 | Hybrid power generation system and method |
| CN115632148B (en) * | 2022-11-29 | 2023-03-21 | 北京海望氢能科技有限公司 | Hybrid power generation system and method |
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