High-temperature hydrogen desorption system of solid hydrogen storage material

Abstract

The utility model discloses a high-temperature hydrogen desorption system of a solid hydrogen storage material. The high-temperature hydrogen desorption system is characterized in that the hydrogen storage material is arranged in a hydrogen storage tank; the heating assembly is embedded in the hydrogen storage material and is used for heating the hydrogen storage material to release hydrogen into the hydrogen storage tank; the power generation module communicates with the hydrogen storage tank, so that hydrogen output from the hydrogen storage tank is supplied to the power generation module for power generation; the power conversion unit is electrically connected with the power generation module and converts the non-voltage-stabilizing direct current generated by the power generation module into voltage-stabilizing direct current or voltage-stabilizing alternating current to be output; the charger is electrically connected with the power conversion unit and converts the voltage-stabilized direct current or the voltage-stabilized alternating current output by the power conversion unit; the input end of the energy storage module is electrically connected with the charger, and the output end is electrically connected with the heating assembly so as to receive electric energy output by the charger and supply power to the heating assembly. According to the hydrogen storage material, the overall size is more compact, the hydrogen desorption efficiency of the hydrogen storage material is improved, and electric energy required by heating is not required to be provided by external energy sources such as a power grid source.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen storage technology field, concretely relates to a high temperature hydrogen release system of solid hydrogen storage material. BACKGROUND

[0002] Solid hydrogen storage technology is a kind of hydrogen storage technology using solid material, it is based on the physical adsorption or chemical adsorption of hydrogen gas to some solid hydrogen storage material release hydrogen process, usually need to be carried out effectively under the condition of far higher than room temperature (200 DEG C above), for this kind of material, usually need to use electric heating furnace, steam heater etc. for heating, for providing enough heat to trigger chemical reaction or promote hydrogen molecule desorption;In related technology, the existing heating equipment is usually bulky, low efficiency, and needs power grid power supply and other external energy to provide the energy required for heating. SUMMARY

[0003] The utility model aims at at least one of the technical problems in the related art to some extent. To this end, one purpose of the utility model is to provide a high temperature hydrogen release system of solid hydrogen storage material, comprising:

[0004] hydrogen storage tank;

[0005] hydrogen storage material, the hydrogen storage material is located in the hydrogen storage tank;

[0006] heating assembly, the heating assembly is embedded in the hydrogen storage material, for heating the hydrogen storage material to release hydrogen into the hydrogen storage tank;

[0007] power generation module, the power generation module is communicated with the hydrogen storage tank, so that the hydrogen output in the hydrogen storage tank is supplied to the power generation module for power generation;

[0008] power conversion unit, the power conversion unit is electrically connected with the power generation module, and converts the non-steady voltage direct current emitted by the power generation module into steady voltage direct current or steady voltage alternating current output;

[0009] charger, the charger is electrically connected with the power conversion unit, and converts the steady voltage direct current or steady voltage alternating current output by the power conversion unit;

[0010] energy storage module, the input end of the energy storage module is electrically connected with the charger, and the output end is electrically connected with the heating assembly, to receive the electric energy output by the charger and supply power to the heating assembly.

[0011] Preferably, the outlet of the hydrogen storage tank is provided with a solenoid valve, and the solenoid valve is used to control the on-off between the hydrogen storage tank and the power generation module.

[0012] Preferably, the heating assembly comprises:

[0013] An electric heating element is arranged in the hydrogen storage tank and embedded in the hydrogen storage material to heat the hydrogen storage material;

[0014] A thermocouple is arranged in the hydrogen storage material corresponding to the electric heating element to detect the temperature of the hydrogen storage material;

[0015] A first control unit is connected to the power generation module, the energy storage module, the electric heating element and the thermocouple, respectively, to control the power output of the energy storage module through the input signals of the power generation module and the thermocouple, and control the operation of the electric heating element.

[0016] Preferably, an insulating member is arranged between the electric heating element, the thermocouple and the surface of the hydrogen storage material, and the insulating member is used to insulate and isolate the electric heating element, the thermocouple and the hydrogen storage material.

[0017] Preferably, the power generation module comprises:

[0018] A fuel cell is connected to the hydrogen storage tank through a pipeline and the electromagnetic valve, so that the hydrogen gas output from the hydrogen storage tank is supplied to the fuel cell through the pipeline under the control of the electromagnetic valve;

[0019] A second control unit is connected to the electromagnetic valve, the first control unit, the energy storage module and the fuel cell, respectively, to control the operation of the electromagnetic valve and the fuel cell, and output signals to the first control unit to control the power output of the energy storage module;

[0020] A power conversion unit is arranged at the output end of the fuel cell to convert and output the electric energy output from the fuel cell.

[0021] Preferably, the input end of the fuel cell is also provided with an input port for delivering oxygen or air to the fuel cell.

[0022] The above-mentioned scheme of the utility model at least has the following beneficial effects:

[0023] The high-temperature hydrogen releasing system can heat the hydrogen storage material through the heating assembly, so that the hydrogen storage material can release hydrogen and discharge from the hydrogen storage tank to the power generation module, and then the power generation module can generate electricity through the hydrogen, and can also supply electric energy to the heating assembly, so that the overall volume is more compact, and the hydrogen releasing efficiency of the solid-state hydrogen storage material is improved.

[0024] Additional aspects and advantages of the present application will be described in the following description, some of which will become apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description only show some embodiments of the present application, and other drawings can also be obtained according to the structures shown in the drawings without creative labor for those skilled in the art.

[0026] Figure 1 is a structural schematic diagram of the high-temperature hydrogen releasing system provided in the embodiments of the present application.

[0027] Explanation of reference numerals:

[0028] 10, hydrogen storage tank; 11, electromagnetic valve; 20, hydrogen storage material; 30, heating assembly; 31, electric heating element; 32, thermocouple; 33, first control unit; 40, power generation module; 41, fuel cell; 411, input port; 42, second control unit; 43, power conversion unit; 50, insulating piece; 60, energy storage module; 70, charger; 80, load.

[0029] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0030] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0032] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0033] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In the utility model, unless otherwise specifically defined and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] The high-temperature hydrogen release system of the utility model embodiment is described in detail below with reference to the drawings.

[0036] Referring to Figure 1The high-temperature hydrogen releasing system provided by the utility model, can heat the hydrogen storage material 20 through the heating assembly 30, so that the hydrogen storage material 20 can release hydrogen and discharge from the hydrogen storage tank 10 to the power generation module 40, and then the power generation module 40 can generate electricity through hydrogen, and at the same time, electric energy can also be supplied to the heating assembly 30, so that the overall volume is more compact, and the hydrogen releasing efficiency of the solid-state hydrogen storage material 20 is improved.

[0037] The energy storage module 60 can be an energy storage battery or the like, and stores part of the electric energy of the power generation module 40, and the main function of the energy storage module 60 is to start and continuously supply power to the electric heating element, so that the system can not depend on external power supply, the overall structure is simplified, and the overall volume is more compact. In special cases, the energy storage module 60 can output electric energy to the load, and the hydrogen storage tank 10 and the internal system thereof and other peripheral units can be subjected to heat insulation treatment, so that the heat influence of the system on the outside is minimized.

[0038] The energy storage module 60 can be an energy storage battery or the like, and stores part of the electric energy of the power generation module 40, and the main function of the energy storage module 60 is to start and continuously supply power to the electric heating element, so that the system can not depend on external power supply, the overall structure is simplified, and the overall volume is more compact. In special cases, the energy storage module 60 can output electric energy to the load, and the hydrogen storage tank 10 and the internal system thereof and other peripheral units can be subjected to heat insulation treatment, so that the heat influence of the system on the outside is minimized.

[0039] Specifically, the outlet of the hydrogen storage tank 10 is provided with a solenoid valve, and the solenoid valve is used for controlling the on-off between the hydrogen storage tank 10 and the power generation module 40. The solenoid valve can control the flow of hydrogen released by the hydrogen storage tank 10, and can also control the on-off of the outlet of the hydrogen storage tank 10, so that the supply amount of hydrogen can be more accurately controlled when hydrogen is released.

[0040] Specifically, the heating assembly 30 comprises an electric heating element 31, a thermocouple 32 and a first control unit 33. The electric heating element 31 is arranged in the hydrogen storage tank 10 and embedded in the hydrogen storage material 20 to heat the hydrogen storage material 20. The thermocouple 32 is arranged in the hydrogen storage material 20 and corresponds to the electric heating element 31 to detect the temperature of the hydrogen storage material 20. The first control unit 33 is connected to the power generation module 40, the energy storage module 60, the electric heating element 31 and the thermocouple 32 respectively to control the power output of the energy storage module 60 through the input signals of the power generation module 40 and the thermocouple 32 and control the operation of the electric heating element 31.

[0041] In the embodiment, the electric heating element 31 and the thermocouple 32 can be multiple. The heating and hydrogen release process of the electric heating element 31 on the hydrogen storage material 20 can be performed in a step-by-step manner. The electric heating element 31 and the thermocouple 32 can be distributedly arranged, and the first control unit 33 can be used to control the heating power and the cutting-in sequence of each electric heating element 31 to control the hydrogen release speed of the hydrogen storage material 20, so that the hydrogen release of the hydrogen storage material 20 in the hydrogen storage tank 10 can be completed in a zoned sequence, and the control is more accurate and the hydrogen release rate is controllable.

[0042] Optionally, an insulating member 50 is arranged between the electric heating element 31, the thermocouple 32 and the surface of the hydrogen storage material 20, and the insulating member 50 is used to insulate and separate the electric heating element 31, the thermocouple 32 and the hydrogen storage material 20. The electric heating element 31 and the thermocouple 32 can be wrapped with the insulating member 50, so that the electric heating element 31 and the thermocouple 32 do not form an electrical contact with the hydrogen storage material 20 and the hydrogen storage tank 10, and the safety is higher.

[0043] Specifically, the power generation module 40 comprises a fuel cell 41, a second control unit 42 and a power conversion unit 43. The fuel cell 41 is connected to the hydrogen storage tank 10 through a pipeline and an electromagnetic valve 11 to supply hydrogen in the hydrogen storage tank 10 to the fuel cell 41 through the pipeline under the control of the electromagnetic valve 11. The second control unit 42 is connected to the electromagnetic valve 11, the first control unit 33, the energy storage module 60 and the fuel cell 41 respectively to control the operation of the electromagnetic valve 11 and the fuel cell 41 and output signals to the first control unit 33 to control the power output of the energy storage module 60. The power conversion unit 43 is arranged at the output end of the fuel cell 41 to convert and output the electric energy output by the fuel cell 41.

[0044] In the embodiment, the fuel cell 41 can be a hydrogen fuel cell 41, the power conversion unit 43 can be a DC-DC / DC-AC conversion module 43, and the second control unit 42 controls the electromagnetic valve 10 to deliver hydrogen into the fuel cell 41, so as to control the fuel cell 41 to generate an electrochemical reaction to generate electric energy, and then the output unstable electric energy can be converted into stable AC / DC electric energy by the power conversion unit 43 and output to the load 80 for use, thereby ensuring more energy-saving and efficient power generation.

[0045] Further, the input end of the fuel cell 41 is also provided with an input port 411 for delivering oxygen or air into the fuel cell 41. It can be understood that, by delivering oxygen into the fuel cell 41, an electrochemical reaction can be generated with hydrogen to output electric energy; it can be understood that the power generation mode of the fuel cell 41 can adopt the existing one, which is not described herein.

[0046] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0047] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by the utility model specification and the attached drawings, or direct / indirect application in other related technical fields under the utility model concept of the utility model is included in the patent protection range of the utility model.

Claims

1. A high temperature hydrogen desorption system for a solid hydrogen storage material, characterized in that, The application relates to a hydrogen storage device, which comprises the following components: a hydrogen storage tank; a hydrogen storage material arranged in the hydrogen storage tank; a heating assembly arranged in the hydrogen storage material for heating the hydrogen storage material to release hydrogen into the hydrogen storage tank; a power generation module connected with the hydrogen storage tank to generate power by using the hydrogen released from the hydrogen storage tank; a power conversion unit electrically connected with the power generation module and used for converting the non-stable direct current generated by the power generation module into stable direct current or stable alternating current; a charger electrically connected with the power conversion unit and used for converting the stable direct current or stable alternating current output by the power conversion unit; a storage module with an input end electrically connected with the charger and an output end electrically connected with the heating assembly, so as to receive the power output by the charger and supply the power to the heating assembly.

2. The high temperature hydrogen release system of solid state hydrogen storage material according to claim 1, characterized in that, An electromagnetic valve is arranged at the outlet of the hydrogen storage tank, and the electromagnetic valve is used for controlling the connection and disconnection between the hydrogen storage tank and the power generation module.

3. The high temperature hydrogen release system of solid state hydrogen storage material according to claim 2, wherein, The heating assembly comprises: an electric heating element arranged in the hydrogen storage tank and embedded in the hydrogen storage material, so as to heat the hydrogen storage material; a thermocouple arranged in the hydrogen storage material and corresponding to the electric heating element, so as to detect the temperature of the hydrogen storage material; a first control unit connected with the power generation module, the storage module, the electric heating element and the thermocouple, so as to control the power output of the storage module and the operation of the electric heating element by using the input signals of the power generation module and the thermocouple.

4. The high-temperature hydrogen desorption system for solid hydrogen storage materials according to claim 3, characterized in that, An insulating member is arranged between the electric heating element, the thermocouple and the surface of the hydrogen storage material, so as to insulate and separate the electric heating element, the thermocouple and the hydrogen storage material.

5. The high temperature hydrogen release system of solid state hydrogen storage material of claim 2, wherein, The power generation module comprises: a fuel cell connected with the hydrogen storage tank through a pipeline and the electromagnetic valve, so as to supply the hydrogen released from the hydrogen storage tank to the fuel cell through the pipeline under the control of the electromagnetic valve; a second control unit connected with the electromagnetic valve, the first control unit, the storage module and the fuel cell, so as to control the operation of the electromagnetic valve and the fuel cell and output signals to the first control unit to control the power output of the storage module; a power conversion unit arranged at the output end of the fuel cell and used for converting the power output by the fuel cell.

6. The high-temperature hydrogen desorption system for solid hydrogen storage materials according to claim 5, characterized in that, An input port is further arranged at the input end of the fuel cell, and the input port is used for delivering oxygen or air to the fuel cell.

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