CN107154504A - Intelligent power and method of supplying power to based on liquid hydrogen source and high temperature fuel cell - Google Patents
Intelligent power and method of supplying power to based on liquid hydrogen source and high temperature fuel cell Download PDFInfo
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- CN107154504A CN107154504A CN201610122645.1A CN201610122645A CN107154504A CN 107154504 A CN107154504 A CN 107154504A CN 201610122645 A CN201610122645 A CN 201610122645A CN 107154504 A CN107154504 A CN 107154504A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/22—Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elements; Fuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
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- 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
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Abstract
The present invention relates to hydrogen energy source technical field, there is provided a kind of intelligent power and method of supplying power to based on liquid hydrogen source and high temperature fuel cell.The described intelligent power based on liquid hydrogen source and high temperature fuel cell, for in the onboard power systems of new-energy automobile, including the organic liquid hydrogen source device for providing hydrogen, the Hydrogen Energy conversion equipment for Hydrogen Energy to be converted to electric energy and the electric power controller for managing electric energy, and temperature control device of vehicle；Wherein, Hydrogen Energy conversion equipment is high temperature fuel cell pile.The intelligent power of the present invention, it is a kind of clean environment firendly, power-supply system easy to use, for new-energy automobile, the problem of not only solving charging interval and course continuation mileage, it is prior to be that of avoiding existing high-pressure hydrogen storing tank and potential safety hazard of the lithium battery on same car, the security of system is substantially increased, enables to carry out large-scale commercial applications application using the new-energy automobile of the intelligent power, brings huge Social benefit and economic benefit.
Description
Technical field
The present invention relates to hydrogen energy source technical field, more particularly to a kind of intelligent power and method of supplying power to based on liquid hydrogen source and high temperature fuel cell.
Background technology
New-energy automobile is more and more paid attention in recent years, and various types of new-energy automobiles are listed successively.At present commonly using lithium battery as the new-energy automobile of power supply, there is cleanliness without any pollution, meet environmental requirement instantly.But, using lithium battery as power supply, there are problems that charging interval length, course continuation mileage, and be that the auxiliary facilities such as its charging station for providing electric energy and existing gas station and shipping storage facility are incompatible, replacing completely needs to put into huge financial resource and material resource, with high costs.
Another new-energy automobile pattern is that, as energy offer power, its Hydrogen Energy translative mode includes two kinds of hydrogen internal combustion engine or hydrogen fuel cell using hydrogen.Wherein, hydrogen fuel cell is combined as new-energy automobile power with lithium battery, the problem of can solving charging interval and course continuation mileage.Existing technology is to use high-pressure hydrogen storing tank hydrogen storage, and hydrogen is provided for hydrogen fuel cell.Due to lithium battery have because overheat or short circuit cause combustion explosion the problem of, and the high-pressure hydrogen storing tank of fuel cell it is also possible to because hydrogen leak cause combustion explosion so that potential safety hazard of the lithium battery with high-pressure hydrogen storing tank on same car is greatly increased.And safety be new-energy automobile can one of the most important determinant of large-scale application, therefore, above mentioned problem causes existing new energy, hydrogen fuel cell automobile to cannot be introduced into large-scale commercial applications application.
China University of Geosciences（Wuhan）Sustainable energy laboratory research team, under the leading that Cheng Hansong is taught, a class organic liquid conjugated molecule hydrogen storage material is found that through long-term research, this kind of material has flash-point high, the features such as fusing point is low, desorption temperature is low, release gas purity is high under effective catalyst effect, and invertibity is strong, cycle life is high, and does not produce the gas that carbon monoxide etc. poisons fuel-cell catalyst.As the carrier of hydrogen, this kind of material exists in a liquid-like manner at normal temperatures, can store and transport at normal temperatures and pressures as gasoline, using existing gasoline mode of movement and equipment In Oil Service Station.The discovery of this organic material, the safety problem for the existing new energy, hydrogen fuel cell automobile of solution provides the foundation.
The content of the invention
Present invention solves the technical problem that being to provide a kind of intelligent power based on liquid hydrogen source and high temperature fuel cell, the security of new energy, hydrogen fuel cell automobile is improved, and the problem of solution charging interval and course continuation mileage.
To achieve these goals, present invention employs following technical scheme：
Intelligent power based on liquid hydrogen source and high temperature fuel cell, for in the onboard power systems of new-energy automobile, including the organic liquid hydrogen source device for providing hydrogen, the Hydrogen Energy conversion equipment for Hydrogen Energy to be converted to electric energy and the electric power controller for managing electric energy, and temperature control device of vehicle；
The organic liquid hydrogen source device includes the storage facilities for being used to store organic liquified hydrogen source material and organic liquid hydrogen storage carrier, and for producing the dehydrogenation unit of hydrogen；
The Hydrogen Energy conversion equipment includes the hydrogen fuel cell for generating electricity, and the hydrogen fuel cell is intermediate temperature fuel cell pile or high-temperature fuel cell pile；
The electric power controller includes the secondary cell for storing electric energy and the electric energy management unit for electric energy management；
The dehydrogenation unit is provided with the first heat-exchange apparatus, the hydrogen fuel cell is provided with the second heat-exchange apparatus, the secondary cell is provided with the 3rd heat-exchange apparatus, and first heat-exchange apparatus, the second heat-exchange apparatus, the 3rd heat-exchange apparatus are connected by pipe heat-transfer equipment；
The temperature control device of vehicle is used for management system temperature and controls the operation of first heat-exchange apparatus, the second heat-exchange apparatus, the 3rd heat-exchange apparatus and pipe heat-transfer equipment.
Further, the electric energy that the hydrogen fuel cell is produced inputs the secondary cell storage, and the secondary cell is powered under the control of the electric energy management unit to external loading.
Further, the electric energy management unit connects the car running computer of automobile, and the driving provided according to the car running computer and road condition data calculate energy consumption of averagely driving a vehicle, the reasonable distribution of regulation secondary cell and fuel cell electricity controls the hydrogen fuel cell even running.
It is preferred that, the storage facilities includes the first holding vessel/storage room for depositing organic liquid hydrogen source material and the second holding vessel/storage room for depositing organic liquid hydrogen storage carrier, and the delivery outlet of first holding vessel/storage room is provided with the pump for conveying organic liquid hydrogen source material.
It is preferred that, the dehydrogenation unit includes being used for the dehydrogenation reactor of organic liquid hydrogen source material progress dehydrogenation reaction and the dehydrogenation for catalytic dehydrogenating reaction.
Further, the organic liquid hydrogen source device also includes surge tank, and the surge tank is used to store the hydrogen that the dehydrogenation unit is produced, and the hydrogen fuel cell uses the hydrogen gas generation in the surge tank.
It is preferred that, the reaction condition that dehydrogenation reaction is carried out in the dehydrogenation unit is 120~280 DEG C of temperature, 0.1~0.4MPa of air pressure.
Further, the dehydrogenation unit is additionally provided with the heater for heating the dehydrogenation unit, and the temperature control device of vehicle is additionally operable to control the operating temperature of the heater.
It is preferred that, the heater is electric heating equipment, and the electric energy provided using the secondary cell is heated.
It is preferred that, the heater is hydrogen burning equipment, and the combustion of hydrogen provided using the dehydrogenation unit is heated.
Further, the operating temperature of the intermediate temperature fuel cell pile is 140~300 DEG C, and the operating temperature of the high-temperature fuel cell pile is 300~800 DEG C.
It is preferred that, the heat-conducting medium in the pipe heat-transfer equipment is high temperature heat conducting medium.
It is preferred that, the heat-conducting medium in the pipe heat-transfer equipment is that the organic liquid hydrogen source material in organic liquid hydrogen source material, the storage facilities enters dehydrogenation unit progress dehydrogenation reaction after the pipe heat-transfer equipment.
Present invention also offers a kind of method powered using the above-mentioned intelligent power based on liquid hydrogen source and high temperature fuel cell, comprise the following steps：The organic liquid hydrogen source material being stored in storage facilities is inputted by dehydrogenation unit by pump and carries out dehydrogenation reaction, obtain hydrogen and organic liquid hydrogen storage carrier, the hydrogen enters hydrogen fuel cell, the hydrogen fuel cell is charged by PMU for secondary cell, and the electric power controller is that automobile or other external loadings are powered.
Present invention also offers another method powered using the above-mentioned intelligent power based on liquid hydrogen source and high temperature fuel cell, comprise the following steps：The organic liquid hydrogen source material being stored in storage facilities is sent into by the pipe heat-transfer equipment by pump, absorb and enter dehydrogenation unit progress dehydrogenation reaction after heat, obtain hydrogen and organic liquid hydrogen storage carrier, the hydrogen enters hydrogen fuel cell, the hydrogen fuel cell is charged by PMU for secondary cell, and the electric power controller is that automobile or other external loadings are powered.
Further, the hydrogen that the dehydrogenation unit is produced is introduced into surge tank storage, and the hydrogen fuel cell uses the hydrogen gas generation in surge tank.
The intelligent power based on liquid hydrogen source and high temperature fuel cell of the present invention, using the organic liquid hydrogen storage material being stored in storage facilities as hydrogen source, hydrogen is produced when using, hydrogen supply fuel cell is used in dehydrogenation unit through dehydrogenation reaction.The organic liquid hydrogen storage material has that flash-point is high, fusing point is low, can discharge high-purity hydrogen under catalyst action, and desorption temperature is low, invertibity strong, the advantages of have extended cycle life, do not produce the gas of harmful fuel cell catalyst.Therefore, using this kind of organic liquid hydrogen storage material as hydrogen source, contrast existing by the way of high-pressure hydrogen storing tank is as hydrogen source, it is to avoid because hydrogen leak causes the risk of combustion explosion, substantially increase the security of hydrogen source.The electric energy that hydrogen fuel cell is produced charges for secondary cell, and is managed collectively the charging and discharging of secondary cell by electric energy management unit, and conventional secondary cell is lithium battery.In this way, secondary cell had both been avoided because overheat or short circuit cause the danger of combustion explosion, can be stablized the lasting external loading in new-energy automobile again and be powered, the problem of also solving charging interval and course continuation mileage while security is improved.As a further improvement, above-mentioned electric energy management unit connects the car running computer of automobile.The car running computer includes electronic control unit ECU (Electronic
Control Unit) and on-vehicle navigation apparatus etc., it is control electronics of the common configuration in automobile, it can not only manage the electronic equipment on car, moreover it is possible to be communicated with external equipment by wireless network, obtains the data messages such as real-time road.The driving and road condition data that electric energy management unit is provided according to the car running computer calculate energy consumption of averagely driving a vehicle, adjust the reasonable distribution of secondary cell and fuel cell electricity, to reach the control hydrogen fuel cell even running, so as to save energy consumption, improve the purpose in hydrogen fuel cell life-span.
The intelligent power based on liquid hydrogen source and high temperature fuel cell of the present invention, its hydrogen fuel cell is intermediate temperature fuel cell pile of the operating temperature in 140~300 DEG C of scopes, or operating temperature is in the high-temperature fuel cell pile of 300~800 DEG C of scopes.Because hydrogen fuel cell has higher operating temperature, heat liquid hydrogen source material can be provided as thermal source, so as to improve the utilization efficiency of heat energy of whole system.Meanwhile, secondary cell operationally can also generate heat, and produce waste heat, therefore can also be used as thermal source.Specifically, being provided with the first heat-exchange apparatus on the dehydrogenation unit, second, third heat-exchange apparatus is respectively equipped with the hydrogen fuel cell, secondary cell, first, second, third heat-exchange apparatus is connected by pipe heat-transfer equipment.In above-mentioned pipe heat-transfer equipment, heat-conducting medium can be high temperature heat conducting medium, so as to which the after-heat of hydrogen fuel cell, secondary cell generation is delivered on dehydrogenation unit, meet the reaction condition in dehydrogenation unit, hydrogen fuel cell and secondary cell are also cooled simultaneously, the thermal efficiency of system is improved.
It is furthermore preferred that the heat-conducting medium in pipe heat-transfer equipment can also be organic liquid hydrogen source material.During using organic liquid hydrogen source material, pipe heat-transfer equipment can be connected with the storage facilities and dehydrogenation unit of organic liquid hydrogen source material respectively, organic liquid hydrogen source material is entered dehydrogenation unit after absorbing heat through the pipe heat-transfer equipment and carry out dehydrogenation reaction, so as to further improve the utilization efficiency of heat energy of system, and system architecture is simplified, save space.
Meanwhile, in order to avoid the heat that heat-exchange apparatus is provided can not meet the reaction condition in dehydrogenation unit, the system is also in being provided with heater on dehydrogenation unit, to ensure being normally carried out for dehydrogenation reaction.
The intelligent power based on liquid hydrogen source and high temperature fuel cell of the present invention, the organic liquid hydrogen storage carrier after the organic liquid hydrogen source material for storing hydrogen and dehydrogenation is deposited using two holding vessels respectively.As the carrier of hydrogen, this kind of material exists in a liquid-like manner all the time in use, can store and transport at normal temperatures and pressures so that image-stone oil is the same, completely using existing gasoline mode of movement and gas station's framework, greatly save cost of investment.Dehydrogenation unit uses dehydrogenation reactor, and can efficiently produce hydrogen under the catalysis of the first heat-exchange apparatus and/or heating devices heat and dehydrogenation supplies fuel cell power generation.It is preferred that, the hydrogen that dehydrogenation unit is produced is introduced into surge tank storage, and fuel cell uses the hydrogen gas generation in surge tank, can improve the stability and generating efficiency of hydrogen supply.The reaction condition that dehydrogenation reaction is carried out in the dehydrogenation reactor is 120~280 DEG C of temperature, 0.1~0.4MPa of air pressure.Above-mentioned heater can be the electric heater unit powered by secondary cell or the hydrogen burning equipment that hydrogen is provided by surge tank, and compact conformation saves space.Intelligent power provided by the present invention based on liquid hydrogen source and high temperature fuel cell, it is a kind of clean environment firendly, power-supply system easy to use, for new-energy automobile, the problem of not only solving charging interval and course continuation mileage, it is prior to be that of avoiding existing high-pressure hydrogen storing tank and potential safety hazard of the lithium battery on same car, substantially increase the security of system, enable to carry out large-scale commercial applications application using the new-energy automobile of the intelligent power, bring huge Social benefit and economic benefit.Meanwhile, intelligent power of the invention can be used for automobile, steamer, and the mobile device such as aircraft or fixing equipment are as power source, and tool has been widely used.
The method powered using the intelligent power based on liquid hydrogen source and high temperature fuel cell of the present invention, have the advantages that clean and effective, security are good, heat utilization rate is high and power supply is stable, new-energy automobile or other vehicles or fixing equipment can be widely used in, it is good in economic efficiency, there is good commercial application prospect.
Brief description of the drawings
Fig. 1 is the structural representation of a preferred embodiment of the intelligent power based on liquid hydrogen source and high temperature fuel cell of the present invention；
Description of reference numerals：1- holding vessels one, 2- pumps, 3- pipe heat-transfer equipment, 4- dehydrogenation reactors, 5- surge tanks, 6- hydrogen fuel cells, the heat-exchange apparatus of 7- first, 8- temperature control device of vehicle, 9- lithium batteries, the heat-exchange apparatus of 10- second, the heat-exchange apparatus of 11- the 3rd, 12- electric power controllers, 13- holding vessels two.
Embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, but it is to be understood that these descriptions are simply to further illustrate the features and advantages of the present invention, rather than limiting to the claimed invention.
The invention provides a kind of intelligent power based on liquid hydrogen source and high temperature fuel cell, in the onboard power systems for new-energy automobile, including：
Organic liquid hydrogen source device, the Hydrogen Energy conversion equipment for Hydrogen Energy to be converted to electric energy and the electric power controller for managing electric energy for providing hydrogen, and temperature control device of vehicle；
The organic liquid hydrogen source device includes the storage facilities for being used to store organic liquified hydrogen source material and organic liquid hydrogen storage carrier, and for producing the dehydrogenation unit of hydrogen；
The Hydrogen Energy conversion equipment includes the hydrogen fuel cell for generating electricity, and the hydrogen fuel cell is intermediate temperature fuel cell pile or high-temperature fuel cell pile；
The electric power controller includes the secondary cell for storing electric energy and the electric energy management unit for electric energy management；
The dehydrogenation unit is provided with the first heat-exchange apparatus, the hydrogen fuel cell is provided with the second heat-exchange apparatus, the secondary cell is provided with the 3rd heat-exchange apparatus, and first heat-exchange apparatus, the second heat-exchange apparatus, the 3rd heat-exchange apparatus are connected by pipe heat-transfer equipment；
The temperature control device of vehicle is used for management system temperature and controls the operation of first heat-exchange apparatus, the second heat-exchange apparatus, the 3rd heat-exchange apparatus and pipe heat-transfer equipment.
Wherein, the organic liquid hydrogen storage carrier that uses is a kind of the hydrogen storage system of liquid can be presented at normal temperatures and pressures in the intelligent power of the present invention, including at least two different organic hydrogen storage components, hydrogen storage component is heterocycle insatiable hunger or unsaturated aromatic hydrocarbon and compound, and at least one organic hydrogen storage component is the low-melting compound that fusing point is less than 80 DEG C.Above-mentioned organic liquid hydrogen storage carrier carries out hydrogenation chemical reaction generation organic liquid hydrogen source material in the presence of hydrogenation catalyst, organic liquid hydrogen source material carries out dehydrogenation chemical reaction in the presence of dehydrogenation and is reduced to organic liquid hydrogen storage carrier, it is low with flash-point height, fusing point, high-purity hydrogen can be discharged under effective catalyst effect, and desorption temperature is low, have extended cycle life, invertibity is strong, the advantages of do not produce the gas for poisoning fuel-cell catalyst.
Storage facilities for storing organic liquified hydrogen source material and organic liquid hydrogen storage carrier, can be holding vessel or other forms, volume can be it is miniature or it is vehicle-mounted or bulk storage tank body.Storage facilities can be respectively arranged with input port and delivery outlet using the holding vessel for storing organic liquified hydrogen source material and organic liquid hydrogen storage carrier respectively, each holding vessel.Storage facilities can also be provided with depositing the space of organic liquid hydrogen source material and organic liquid hydrogen storage carrier respectively：First storage chamber and the second storage chamber, the first and second storage chambers are each provided with input port and delivery outlet.The delivery outlet of first holding vessel or storage chamber is provided with pump, by the operating of pump, and organic liquid hydrogen source material is transfused to dehydrogenation reactor.
Dehydrogenation reactor in dehydrogenation unit can use tower, shell and tube, board-like or other forms, and inside is filled with dehydrogenation.Certain embodiments are at 120~250 DEG C, carried out under 0.1~0.4MPa atmospheric pressure, in the presence of dehydrogenation, organic liquid hydrogen source material is catalytically decomposed as hydrogen and organic liquid hydrogen storage carrier in the reactor, reaction product is directly separated in reactor, hydrogen is generated electricity into hydrogen fuel cell, and tank or storage chamber are deposited in organic liquid hydrogen storage carrier backflow second.Or reaction product is first transfused in gas-liquid separation device and separated, hydrogen is generated electricity into hydrogen fuel cell, and tank or storage chamber are deposited in organic liquid hydrogen storage carrier backflow second.
As further preferred scheme, the hydrogen produced in said process is first transported to surge tank, and hydrogen is transported to fuel cell from surge tank afterwards, so as to ensure that the stable supply of hydrogen.
In the intelligent power of the present invention, hydrogen fuel cell is intermediate temperature fuel cell pile of the operating temperature in 140~300 DEG C of scopes, or operating temperature is in the high-temperature fuel cell pile of 300~800 DEG C of scopes.Due to higher operating temperature, heat liquid hydrogen source material can be provided as thermal source, so as to improve the utilization efficiency of heat energy of whole system；Meanwhile, lithium battery operationally can also generate heat, and produce waste heat, therefore can also be as thermal source, so as to improve the utilization efficiency of heat energy of whole system.
Specifically, being provided with the first heat-exchange apparatus on dehydrogenation unit, second, third heat-exchange apparatus is respectively equipped with hydrogen fuel cell, secondary cell, first, second, third heat-exchange apparatus is connected by pipe heat-transfer equipment.High temperature heat conducting medium is provided with pipe heat-transfer equipment.When system works, the heat of intermediate temperature fuel cell pile or high-temperature fuel cell pile and lithium battery is absorbed by the heat-conducting medium in pipe heat-transfer equipment, both fuel cell and lithium battery are cooled, reactor can be heated through heat-exchange apparatus again, so as to substantially increase the utilization efficiency of heat energy of system.
Or, as further preferred scheme, the heat-conducting medium that the two ends of above-mentioned pipe heat-transfer equipment are connected in the delivery outlet of machine liquid hydrogen source material storage facilities and the input port of dehydrogenation reactor, pipe heat-transfer equipment is organic liquid hydrogen source material.Now, organic liquid hydrogen source material enters back into the first heat-exchange apparatus after being introduced into the 3rd heat-exchange apparatus, the second heat-exchange apparatus through pipe heat-transfer equipment, the heat that secondary cell and hydrogen fuel cell are produced is conducted to after dehydrogenation reactor, enter back into reactor and carry out dehydrogenation reaction, so as to further improve the thermal efficiency of system, while also simplify system architecture.In said process, reactor heating, the cooling of hydrogen fuel cell and lithium battery passes through temperature control device of vehicle control.
The shortage of heat provided in order to avoid heat-exchange apparatus is to meet the reaction condition of dehydrogenation reaction in dehydrogenation unit, as a further improvement, heater can also be set outside dehydrogenation reactor, and the heater can be electric heater unit, hydrogen burning heater, microwave heating equipment or other heaters.Wherein, electric heater unit can use secondary cell as power supply, the equipment that hydrogen heater is the heat that produces after the hydrogen partial produced using reactor is burnt to be heated.Above-mentioned heater combines the first heat-exchange device, and the temperature outside dehydrogenation reactor is maintained at into 120~290 DEG C so that organic liquid hydrogen source material can carry out dehydrogenation reaction inside the dehydrogenation reactor at a temperature of 120~250 DEG C.
In the intelligent power of the present invention, what hydrogen fuel cell was sent supplies electricity to secondary cell charging, and secondary cell is powered to external loading again.It is preferred that, secondary cell is lithium battery, is charged and discharged under the unified management of electric energy management unit.In this way, lithium battery had both been avoided because overheat or short circuit cause the danger of combustion explosion, can be stablized the lasting external loading in new-energy automobile again and be powered.Further improvement is the car running computer that electric energy management unit connects automobile, to obtain the data messages such as running car data and real-time road.The driving and road condition data that electric energy management unit is provided according to the car running computer calculate energy consumption of averagely driving a vehicle, and the average driving energy consumption and front traffic information obtained according to calculating controls hydrogen fuel cell even running, and the electricity of reasonable distribution lithium battery, the purpose saved energy consumption and improve the hydrogen fuel cell life-span is reached while enough electric energy are provided.
Specifically, in a simple embodiment, it may include following steps：
1）Electric energy management unit connects car running computer, obtains projected trip distance, the traffic information provided according to current and projected trip apart from interior car running computer（Such as congestion in road situation）Obtain average overall travel speed；
2）Electric energy management unit is calculated according to above- mentioned information, estimates the average driving energy consumption of automobile in lower a period of time；
3）According to above-mentioned result of calculation, the operation power of hydrogen fuel cell is controlled so that fuel cell is interior during running, it is minimum that it runs changed power（Stable operation power can improve life-span and the energy conversion efficiency of fuel cell and lithium battery simultaneously）；
4）Electric energy management unit adjusts above-mentioned calculating data according to actual traffic information, controls the operation of hydrogen fuel cell and the power energy allocation of lithium battery.
Below in conjunction with the accompanying drawings and specific embodiment, the invention will be further described.
As shown in figure 1, storage facilities is holding vessel, organic liquid hydrogen source material is stored in holding vessel 1, and holding vessel 1 has been provided with input port and delivery outlet, and the delivery outlet of holding vessel 1 is provided with pump 2.Lithium battery 9 is provided with the 3rd heat-exchange apparatus 11, hydrogen fuel cell 6 is provided with the second heat-exchange apparatus 10, dehydrogenation reactor 4 is provided with the first heat-exchange apparatus 7, and said pump 2, the 3rd heat-exchange apparatus 11, the second heat-exchange apparatus 10, the first heat-exchange apparatus 7 pass sequentially through pipe heat-transfer equipment 3 and connected；Or or pipe heat-transfer equipment 3 be set around the 3rd heat-exchange apparatus 11, the second heat-exchange apparatus 10 successively, on the first heat-exchange apparatus 7.By the operating of pump 2, organic liquid hydrogen source material enters dehydrogenation reactor 4 after sequentially entering the 3rd heat-exchange apparatus 11, the second heat-exchange apparatus 10 and the first heat-exchange apparatus 7 through pipe heat-transfer equipment 3；Or enter dehydrogenation reactor 4 through being set around the 3rd heat-exchange apparatus 11, the second heat-exchange apparatus 10, the pipe heat-transfer equipment on the first heat-exchange apparatus 7.Dehydrogenation reactor 4 is tower reactor, and inside is filled with dehydrogenation.Organic liquid hydrogen source material is broken down into hydrogen and organic liquid hydrogen storage carrier in dehydrogenation reactor 4, and organic liquid hydrogen storage carrier is transmitted back to holding vessel 2 13.Hydrogen is transported to surge tank 5, is then delivered to hydrogen fuel cell 6 from surge tank.The temperature for the heat-exchange apparatus of flow control first, second, third that temperature control device of vehicle 12 passes through thermocouple and pump.Fuel cell 6 is that lithium battery 9 charges by electric power controller 8, and electric power controller 8 is electric motor of automobile or other load supplyings.
Although the present invention is disclosed as above with preferred embodiment; but embodiment and accompanying drawing be not for limiting the present invention, it is any to be familiar with this those skilled in the art, without departing from the spirit and scope of the invention; it can make various changes or retouch from working as, but it is same within protection scope of the present invention.What therefore protection scope of the present invention should be defined by claims hereof protection domain is defined.
Claims (16)
1. in the intelligent power based on liquid hydrogen source and high temperature fuel cell, the onboard power systems for new-energy automobile, it is characterised in that：Including the organic liquid hydrogen source device for providing hydrogen, the Hydrogen Energy conversion equipment for Hydrogen Energy to be converted to electric energy and the electric power controller for managing electric energy, and temperature control device of vehicle；
The organic liquid hydrogen source device includes the storage facilities for being used to store organic liquified hydrogen source material and organic liquid hydrogen storage carrier, and for producing the dehydrogenation unit of hydrogen；
The Hydrogen Energy conversion equipment includes the hydrogen fuel cell for generating electricity, and the hydrogen fuel cell is intermediate temperature fuel cell pile or high-temperature fuel cell pile；
The electric power controller includes the secondary cell for storing electric energy and the electric energy management unit for electric energy management；
The dehydrogenation unit is provided with the first heat-exchange apparatus, the hydrogen fuel cell is provided with the second heat-exchange apparatus, the secondary cell is provided with the 3rd heat-exchange apparatus, and first heat-exchange apparatus, the second heat-exchange apparatus, the 3rd heat-exchange apparatus are connected by pipe heat-transfer equipment；
The temperature control device of vehicle is used for management system temperature and controls the operation of first heat-exchange apparatus, the second heat-exchange apparatus, the 3rd heat-exchange apparatus and pipe heat-transfer equipment.
2. the intelligent power as claimed in claim 1 based on liquid hydrogen source and high temperature fuel cell, it is characterised in that：The electric energy that the hydrogen fuel cell is produced inputs the secondary cell storage, and the secondary cell is powered under the control of the electric energy management unit to external loading.
3. the intelligent power as claimed in claim 2 based on liquid hydrogen source and high temperature fuel cell, it is characterised in that：The electric energy management unit connects the car running computer of automobile, and the driving provided according to the car running computer and road condition data calculate energy consumption of averagely driving a vehicle, and the reasonable distribution of regulation secondary cell and fuel cell electricity controls the hydrogen fuel cell even running.
4. the intelligent power as claimed in claim 1 based on liquid hydrogen source and high temperature fuel cell, it is characterised in that：The storage facilities includes the first holding vessel/storage room for depositing organic liquid hydrogen source material and the second holding vessel/storage room for depositing organic liquid hydrogen storage carrier, and the delivery outlet of first holding vessel/storage room is provided with the pump for conveying organic liquid hydrogen source material.
5. the intelligent power as claimed in claim 1 based on liquid hydrogen source and high temperature fuel cell, it is characterised in that：The dehydrogenation unit includes being used for the dehydrogenation reactor of organic liquid hydrogen source material progress dehydrogenation reaction and the dehydrogenation for catalytic dehydrogenating reaction.
6. the intelligent power as claimed in claim 1 based on liquid hydrogen source and high temperature fuel cell, it is characterised in that：The organic liquid hydrogen source device also includes surge tank, and the surge tank is used to store the hydrogen that the dehydrogenation unit is produced, and the hydrogen fuel cell uses the hydrogen gas generation in the surge tank.
7. the intelligent power based on liquid hydrogen source and high temperature fuel cell as described in claim any one of 1-6, it is characterised in that：The reaction condition that dehydrogenation reaction is carried out in the dehydrogenation unit is 120~280 DEG C of temperature, 0.1~0.4MPa of air pressure.
8. the intelligent power as claimed in claim 7 based on liquid hydrogen source and high temperature fuel cell, it is characterised in that：The dehydrogenation unit is additionally provided with the heater for heating the dehydrogenation unit, and the temperature control device of vehicle is additionally operable to control the operating temperature of the heater.
9. the intelligent power as claimed in claim 8 based on liquid hydrogen source and high temperature fuel cell, it is characterised in that：The heater is electric heating equipment, and the electric energy provided using the secondary cell is heated.
10. the intelligent power as claimed in claim 8 based on liquid hydrogen source and high temperature fuel cell, it is characterised in that：The heater is hydrogen burning equipment, and the combustion of hydrogen provided using the dehydrogenation unit is heated.
11. the intelligent power based on liquid hydrogen source and high temperature fuel cell as described in claim any one of 7-10, it is characterised in that：The operating temperature of the intermediate temperature fuel cell pile is 140~300 DEG C, and the operating temperature of the high-temperature fuel cell pile is 300~800 DEG C.
12. the intelligent power as claimed in claim 11 based on liquid hydrogen source and high temperature fuel cell, it is characterised in that：Heat-conducting medium in the pipe heat-transfer equipment is high temperature heat conducting medium.
13. the intelligent power as claimed in claim 11 based on liquid hydrogen source and high temperature fuel cell, it is characterised in that：Heat-conducting medium in the pipe heat-transfer equipment is that the organic liquid hydrogen source material in organic liquid hydrogen source material, the storage facilities enters dehydrogenation unit progress dehydrogenation reaction after the pipe heat-transfer equipment.
14. usage right requires the method that the intelligent power based on liquid hydrogen source and high temperature fuel cell described in any one of 1-12 is powered, it is characterised in that comprise the following steps：The organic liquid hydrogen source material being stored in storage facilities is inputted by dehydrogenation unit by pump and carries out dehydrogenation reaction, obtain hydrogen and organic liquid hydrogen storage carrier, the hydrogen enters hydrogen fuel cell, the hydrogen fuel cell is charged by PMU for secondary cell, and the electric power controller is that automobile or other external loadings are powered.
15. the method that the intelligent power based on liquid hydrogen source and high temperature fuel cell described in usage right requirement 13 is powered, it is characterised in that comprise the following steps：The organic liquid hydrogen source material being stored in storage facilities is sent into by the pipe heat-transfer equipment by pump, absorb and enter dehydrogenation unit progress dehydrogenation reaction after heat, obtain hydrogen and organic liquid hydrogen storage carrier, the hydrogen enters hydrogen fuel cell, the hydrogen fuel cell is charged by PMU for secondary cell, and the electric power controller is that automobile or other external loadings are powered.
16. the method that intelligent power of the use based on liquid hydrogen source and high temperature fuel cell as described in claims 14 or 15 is powered, it is characterised in that：The hydrogen that the dehydrogenation unit is produced is introduced into surge tank storage, and the hydrogen fuel cell uses the hydrogen gas generation in surge tank.
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