CN106410332A - Composite aluminum air cell and control method therefor - Google Patents
Composite aluminum air cell and control method therefor Download PDFInfo
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- CN106410332A CN106410332A CN201610865274.6A CN201610865274A CN106410332A CN 106410332 A CN106410332 A CN 106410332A CN 201610865274 A CN201610865274 A CN 201610865274A CN 106410332 A CN106410332 A CN 106410332A
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- air cell
- aluminium
- hydrogen
- heap
- electrolyte
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 title abstract 5
- 239000001257 hydrogen Substances 0.000 claims abstract description 70
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 70
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 65
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000000446 fuel Substances 0.000 claims abstract description 44
- 239000003792 electrolyte Substances 0.000 claims abstract description 43
- 230000005611 electricity Effects 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000000605 extraction Methods 0.000 claims abstract description 11
- 238000004146 energy storage Methods 0.000 claims abstract description 7
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 47
- 239000003990 capacitor Substances 0.000 claims description 34
- 150000001875 compounds Chemical class 0.000 claims description 34
- 239000007789 gas Substances 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 10
- 230000001133 acceleration Effects 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000000178 monomer Substances 0.000 description 9
- 238000001914 filtration Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M16/00—Structural combinations of different types of electrochemical generators
- H01M16/003—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M16/00—Structural combinations of different types of electrochemical generators
- H01M16/003—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers
- H01M16/006—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers of fuel cells with rechargeable batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/10—Applications of fuel cells in buildings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Hybrid Cells (AREA)
Abstract
The invention provides a composite aluminum air cell and a control method therefor. The composite aluminum air cell comprises an aluminum air cell pile used for generating electricity through operation to generate hydrogen, a hydrogen fuel cell pile for generating electricity through the hydrogen generated by the aluminum air cell pile, a supercapacitor bank used for performing power conversion, a lithium cell pile used for performing energy storage, and a control system, wherein the control system is connected with the aluminum air cell pile, the hydrogen fuel cell pile, the supercapacitor bank and the lithium cell pile separately; and the control system comprises an electrolyte control module for controlling an electrolyte, a hydrogen extraction module for collecting the hydrogen generated by the aluminum air cell pile and sending the hydrogen to the hydrogen fuel cell pile, and a cell management module for detecting related information of the composite aluminum air cell. The composite aluminum air cell provided by the invention has the advantages of high output power, safe and reliable operation, and good environment-friendly property.
Description
Technical field
The present invention relates to cell art, particularly to a kind of compound aluminium-air cell and its control method.
Background technology
Increasingly serious with environmental issue, countries in the world, all in development New-energy electric vehicle, and restrict new energy at this stage
Source electric car development is the use demand that battery performance at this stage is not met by automobile, is embodied in electric automobile
Course continuation mileage short, charging pile be difficult to road and residential block popularization, car lithium battery management system complexity high cost, pure electronic
Car automobile lithium battery Frequent Accidents etc.
The battery system of main flow has lithium ion battery, hydrogen fuel cell, aluminium-air cell etc. now.The specific energy of lithium battery
It is only 200-280wh/kg, the capacity usage ratio in lithium battery under the conditions of high-multiplying power discharge is low.Lithium battery poor stability is also system
The bottleneck of about Development of Electric Vehicles, easy super-charge super-discharge, need complicated BMS system that lithium battery monomer is managed, lithium electricity
Energy can all be discharged at short notice by pond in collision and puncture, causes on fire and explosion accident.Vehicle lithium battery
Cycle life is short, and the capacity of general electrokinetic cell is less than during the 80% of rated capacity and just to process it is impossible to be used in electronic again when scrapping
On automobile, when actually scrapping, still there is larger value, make the utilization rate of lithium battery low.Recycling after scrapping is not complete
Kind, the material in waste and old lithium ion battery when dealing with improperly enters in environment and can cause heavy metal nickel, cobalt pollution, fluoride pollution, has
The environmental pollutions such as machine thing pollution.
Hydrogen fuel cell is the battery of environmental protection, and power density can meet automobile-used requirement, but the matter that hydrogen fuel cell uses
Proton exchange price is high, and high-power hydrogen fuel cell is relatively costly at present.And because the molecule of hydrogen is little, easily leakage it is difficult to
Storage and transport, hydrogenation stations are not popularized less, are difficult at present promote as car power source.
Aluminium-air cell is a kind of metal fuel battery of safety and environmental protection, energy stores in metal aluminium flake, as long as by electricity
Solution liquid is discharged, and reaction will stop, and energy stops output, and it is good to compare lithium battery safety, and specific energy, energy density are high.But
The specific power of aluminium-air cell relatively low it is impossible to be directly used in driving automobile climbing and the significant power demand occasion such as run at high speed, if
Need high-power output, need substantial amounts of aluminium-air cell connection in series-parallel, the volume of aluminium-air cell can be led to very big, do not meet
The lightweight requirements of automobile.Because aluminium-air cell is from corroding liberation of hydrogen, potential safety hazard is existed on automobile.Aluminium-air cell is anti-
Seasonable aluminium oxide, aluminium hydroxide etc. of producing needs to carry out filtration separation process, and fluid passage otherwise can be caused to block, impact aluminum air combustion
The normal work of material battery.
Content of the invention
For problem above, patent purpose of the present invention is to devise a kind of compound aluminium-air cell and its control method,
There is output power, safe and reliable, good environmental protection.
The specific technical scheme of the present invention is as follows：
The present invention provides a kind of compound aluminium-air cell, including generating electricity in order to run and produce the aluminium-air cell of hydrogen
Heap, in order to generated electricity using the hydrogen that described aluminium-air cell heap produces h2 fuel cell stack, in order to carry out power conversion
Super capacitor group, the lithium battery heap in order to carry out energy storage, an and control system；Described control system is empty with described aluminum respectively
Gas battery pile, h2 fuel cell stack, super capacitor group and lithium battery heap connect, and described control system includes carrying out electrolyte
The electrolyte control module controlling, in order to collect the hydrogen of described aluminium-air cell heap generation and to send into described h2 fuel cell stack
Hydrogen extraction module, in order to detect the battery management module of described compound aluminium-air cell relevant information, and in order to carry out
The refrigerating module of radiating.
Specifically, refrigerating module of the present invention includes temperature sensor and radiator fan, for empty to described clad aluminum
Radiated in pneumoelectric pond.
Specifically, electrolyte control module of the present invention includes liquid level sensor, acceleration transducer, liquid feeding pump, row
Liquid pump, circulating pump and effusion meter.
Specifically, hydrogen extraction module of the present invention includes gas-liquid separation chamber, liquid level sensor, overflow valve, hydrogen pump
And gas washing chamber.
Specifically, battery management module of the present invention include voltage detection module, current detection module, switch module and
Power output control module.
The present invention also provides a kind of control method of compound aluminium-air cell, including：
It is controlled using aluminium-air cell stack operation generation electric energy and to the electrolyte of aluminium-air cell heap, including to electricity
Solution liquid carries out feed liquor, discharge opeing and loop control；
Collect the hydrogen producing during described aluminium-air cell stack operation and send into h2 fuel cell stack and carry out reaction and produce
Raw electric energy；
Aluminium-air cell heap, h2 fuel cell stack, super capacitor group and lithium battery heap are carried out by voltage detecting and fill
Electric discharge management.
Specifically, the method for the invention further includes to aluminium-air cell heap, h2 fuel cell stack, super capacitor group
Radiated with lithium battery heap.
Specifically, of the present invention collect described aluminium-air cell stack operation during produce hydrogen and send into hydrogen fuel
Battery pile carries out reaction and produces electric energy, further includes：Gas-liquid separation and purification processes are carried out to described hydrogen.
The compound aluminium-air cell and its control method that the present invention provides can control aluminium-air cell heap and hydrogen fuel
The steady generating of battery pile, and control aluminium-air cell heap can shift storage to each energy-storage system with h2 fuel cell stack.Using
Aluminium-air cell, hydrogen fuel cell, lithium battery and super capacitor are had complementary advantages, and avoid respective shortcoming, are formed a kind of new
Battery system.The air combined battery of aluminum is enable to be applied to high-power and long playing application scenario.Aluminum air electricity
Chi Dui and h2 fuel cell stack are energy source, are controlled to each lithium battery in super capacitor group and lithium battery heap by control system
Monomer charges respectively, can thoroughly efficiently solve lithium battery super-charge super-discharge problem in use.Lithium battery heap and super capacitor group
Can also be charged using brake energy recovery on charging pile, automobile etc..
Brief description
Embodiments of the present invention is further illustrated referring to the drawings, wherein：
Fig. 1 is a kind of structure chart of compound aluminium-air cell of the present invention；
Fig. 2 is a kind of system diagram of the electrolyte control module of compound aluminium-air cell of the present invention；
Fig. 3 is a kind of system diagram of the hydrogen extraction module of compound aluminium-air cell of the present invention；
Fig. 4 is a kind of system diagram of the refrigerating module of compound aluminium-air cell of the present invention；
Fig. 5 is a kind of battery management module electric energy transfer module map of compound aluminium-air cell of the present invention.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
The present invention proposes the present invention and provides a kind of compound aluminium-air cell, refers to Fig. 1, generates electricity simultaneously including in order to run
Produce aluminium-air cell heap, the hydrogen fuel cell in order to be generated electricity of hydrogen using the hydrogen that described aluminium-air cell heap produces
Heap, super capacitor group, the lithium battery heap in order to carry out energy storage in order to carry out power conversion, and a control system；Described control
System processed is connected with described aluminium-air cell heap, h2 fuel cell stack, super capacitor group and lithium battery heap respectively, and described control is
System includes carrying out the electrolyte control module of electrolyte control, in order to collect the hydrogen that described aluminium-air cell heap produces simultaneously
Send into the hydrogen extraction module of described h2 fuel cell stack, in order to detect the cell tube of described compound aluminium-air cell relevant information
Reason module, and the refrigerating module in order to be radiated.
Integrated CAN controller in control system, during compound aluminium-air cell serial or parallel connection, each pile is single
Solely operational mode, can send corresponding instruction by outside CAN module and control the related operation of pile execution, and rate output control
Molding block externally conveys electric energy.
Specifically, described electrolyte control module includes liquid level sensor, acceleration transducer, liquid feeding pump, positive displacement pump, follows
Ring pump and effusion meter.According to liquid level sensor and acceleration transducer reading information, automatically controlled using controlling pump and battery valve
Feed liquor and discharge opeing, control circulating pump to discharge the solid impurity producing in each battery pile.Effusion meter be used for detecting feed liquor discharge opeing with
Loop condition.Electrolyte control module is managed using electric-control system, using acceleration transducer, enables pile many in kinestate
Use on the automobile becoming.Enter discharge opeing all using pump, aluminium-air cell heap can carry out rapid liquid inlet work and move back liquid and quit work.
Referring to Fig. 2 is electrolyte control module system diagram, and control process is as follows：
Feed liquor process：After electrolyte control module receives the instruction that communication bus brings into operation, control liquid feeding pump by electricity
Solution liquid is by electrolyte tank through, in effusion meter injection filtering ponds, electrolyte enters aluminium-air cell heap, aluminum by inlet opening after filtering
Air cell heap brings into operation generating.After liquid level detecting sensor detection liquid reaches specified location, liquid feeding pump stops liquid feeding；
Monitoring process：Aluminium-air cell heap using a period of time after, liquid level detecting sensor detect liquid level decline after by
Automatically add electrolyte according to above-mentioned injection process to specified location.Battery motion, tilt liquid level change when, according to acceleration
Degree sensor signal correction liquid level position, prevents from mistakenly filling and discharges electrolyte；
Discharge opeing process：After electrolyte control module receives order out of service, control positive displacement pump by electrolyte by filtering
Pond entered in electrolyte tank through effusion meter battery valve, and after electrolyte is discharged totally, liquid level sensor provides corresponding signal, row
Liquid pump quits work.Electrolyte tank is connected by pipe with electrolyte tank, and muddy electrolyte is stored in electrolyte tank；
Circulating filtration work process：Control system will be pressed into electricity through the electrolyte filtering with fixed cycle driving cycle pump
In heap, the liquid of flowing takes filtering ponds to by reacting the particulate matter producing, and electrolyte falls large granular impurity through system filter
It is back in pile through effusion meter, circulating pump again.Control system timing controlled positive displacement pump by the impurity in filtering ponds through effusion meter,
Battery valve delivers to electrolyte tank, when circulating pump work, if the effusion meter liquid flowing through per second is less than designated value then it is assumed that runner
There may be blocking, system can be carried out operating to pile and change electrolyte.
Specifically, described hydrogen extraction module recycles hydrogen, produces extra electric energy, including gas-liquid separation chamber, liquid
Level sensor, overflow valve, hydrogen pump and gas washing chamber.Described hydrogen extraction module is according to aluminium-air cell heap, h2 fuel cell stack
Response situation control hydrogen pump by hydrogen extract out purification, send into h2 fuel cell stack reaction produce electric energy.
Referring to Fig. 3 is hydrogen extraction module system diagram, and concrete control process is as follows：
Hydrogen extraction module is made up of gas-liquid separation chamber, non-contact liquid level sensor, overflow valve, hydrogen pump and gas washing chamber.
Aluminium-air cell starts reaction after piling up injection electrolyte and releases hydrogen, and control system drives when aluminium-air cell starts fluid injection
Hydrogen pump operation, the gas that the reaction of aluminium-air cell heap produces enters gas-liquid separation chamber by steam vent and carries out gas-liquid separation.Hydrogen
Gas enters gas washing chamber through hydrogen pump and carries out purification processes, sends into h2 fuel cell stack and produce electric energy after purification；Liquid level sensor is examined
Survey the indoor liquid height of gas-liquid separation, control overflow valve to drain back into electrolyte tank by separating indoor liquid.The effect of air pump
It is generation negative pressure inside aluminium-air cell, prevents hydrogen gas leakage, and force hydrogen to flow into gas washing chamber.Acting as of gas washing chamber is clear
Except the alkaline steam fog in hydrogen, protect hydrogen fuel cell.When the running status of aluminium-air cell is to stop, hydrogen pump stops fortune
OK.
Specifically, described refrigerating module includes temperature sensor and radiator fan, for described compound aluminium-air cell
Radiated, refrigerating module, in addition to basic air cooling way, can be changed electrolyte according to electrolyte temperature and be radiated, in temperature
Set according to temperature when spending high and reduce power output and carry out moving back liquid operation, aluminium-air cell running is safer.Cooling
Module, according to temperature sensor reading, controls radiator fan and exchange electrolyte that each pile is radiated.When temperature is too high
Execution overtemperature protection program, the safety of protection pile, battery and super capacitor.
Referring to Fig. 4 is refrigerating module system diagram.Refrigerating module obtains and is arranged on aluminium-air cell heap, hydrogen fuel cell
The temperature of temperature sensor in heap, super capacitor group and lithium battery heap, controls corresponding cooling according to the temperature protection value setting
The fan module too high to temperature radiates.When ambient temperature is too high or battery in superelevation load operation when, if cooling fan
Heat-sinking capability is not enough, and aluminium-air cell heap is radiated by the way of changing electrolyte, by electricity higher for pile internal temperature
Solution liquid is discharged, and electrolyte relatively low for external temperature is injected pile.When system detectio to aluminium-air cell heap temperature exceeds normally
Value, reduces power or cut-out electric current output according to related desired temperature, carries out moving back liquid operation, to ensure safety to battery.
When control system detects h2 fuel cell stack, lithium battery heap and super capacitor group temperature beyond normal value, according to the temperature setting
Degree protection value reduces power output and cut-out charge-discharge circuit, and low temperature or overtemperature protection information are issued use by CAN
Family equipment is reported to the police, until temperature reaches safety range and just automatically recovers to use, and stop sending low temperature or heat alarm to
CAN network.
Specifically, to include voltage detection module, current detection module, switch module and power defeated for described battery management module
Go out control module.Described battery management module obtains aluminium-air cell monomer voltage, lithium battery monomer electricity by voltage detection module
Pressure and super-capacitor voltage, control the discharge and recharge of lithium battery and super capacitor, and the electricity control according to each battery and super capacitor
Power output control module processed externally conveys electric energy.
Voltage detecting is the basis of battery management module, and the detection of control system builtin voltage uses the isolation with communication function
Formula ADC, can measure aluminium-air cell monomer voltage, single lithium battery voltage, hydrogen fuel cell voltage and super capacitor
Voltage.
Refer to Fig. 5, battery management system obtains aluminium-air cell monomer voltage, single lithium battery voltage, hydrogen fuel electricity
Cell voltage and super-capacitor voltage.Control system is according to the energy management algorithm controls metal-oxide-semiconductor switch module of compound pile to lithium
Battery and super capacitor discharge and recharge complete the transfer of energy, and control power output by power output control module, and power is defeated
Go out and inside control module, have current sensor, control system controls on power bus according to the energy storage situation of internal system battery
Output is it is ensured that the safety of internal cell system.Lithium battery may be from aluminium-air cell, hydrogen fuel with the energy of super capacitor
Battery and external charging, external charging includes Brake energy recovery that charging pile charges with car running process etc..
Battery management module can charge according to battery management algorithm controls lithium battery and super capacitor, each pile according to
The situation of oneself individually manages, and the connection in series-parallel of many piles does not affect each other, and the convenient pile quantity that increases increases power, each electricity
Heap is controlled operation and is stopped by communication bus, and pile passes through communication bus and sends the every real-time parameter of battery to custom system.
Have and be easy to extension and convenient detection maintenance.
According to compound aluminium-air cell of the present invention, the present invention also provides a kind of controlling party of compound aluminium-air cell
Method, including：
It is controlled using aluminium-air cell stack operation generation electric energy and to the electrolyte of aluminium-air cell heap, including to electricity
Solution liquid carries out feed liquor, discharge opeing and loop control；
Collect the hydrogen producing during described aluminium-air cell stack operation and send into h2 fuel cell stack and carry out reaction and produce
Raw electric energy；
Aluminium-air cell heap, h2 fuel cell stack, super capacitor group and lithium battery heap are carried out by voltage detecting and fill
Electric discharge management.
Specifically, further include aluminium-air cell heap, h2 fuel cell stack, super capacitor group and lithium battery heap are carried out
Radiating.
Specifically, further include to carry out gas-liquid separation and purification processes to described hydrogen.
The compound aluminium-air cell and its control method that the present invention provides can control aluminum pile and hydrogen electric stack steadily to send out
Electricity, and control aluminum pile to shift storage with hydrogen electric stack electric energy to each energy-storage system.Using aluminium-air cell, hydrogen fuel cell, lithium
Battery is had complementary advantages with super capacitor, avoids respective shortcoming, forms a kind of new battery system.Make the air combined battery of aluminum
High-power and long playing application scenario can be applied to.Aluminum air pile and hydrogen electric stack are energy source, by control
System control processed is charged respectively to each lithium battery monomer in super capacitor group and lithium pile, can thoroughly efficiently solve lithium battery
Super-charge super-discharge problem in use.Lithium battery heap and super capacitor group can also reclaim electricity using the braking on charging pile, automobile
Energy etc. charges.
The specific energy of aluminium-air cell is 3～5 times of lithium battery.When this compound pile is applied on pure electric automobile,
Can solve the problems, such as that course continuation mileage is short and automobile lithium battery super-charge super-discharge problem, the present invention utilizes aluminium-air cell to lithium electricity simultaneously
Pond monomer is charged respectively, and the battery low to voltage adopts large current charge, and the battery high to voltage uses low current charge,
Do not need the lithium battery equalizing system of complexity, extend the service life of lithium battery simultaneously.Drop to specified appearance in lithium battery capacity
The 80% of amount still can be continuing with, and reduces the scrappage of lithium battery.By battery control system by aluminum pile and hydrogen electric stack
The electric energy producing, the power storage braking recovery, to lithium pile and super capacitor group, balance the power changeable with meeting automobile
Demand.
In the compound aluminium-air cell embodiment that the present invention provides, taking apply on automobile as a example, automobile operationally, is
System is on the premise of ensureing to meet power of vehicle demand, electric to lithium by energy stores unnecessary to aluminium-air cell and hydrogen fuel cell
Chi Zhong, when electric quantity of lithium battery is less than 60%, System Priority ensures the electricity of lithium battery in the range of 60%～95%, and system is examined
Survey the monomer voltage of each lithium battery, control system controls the fet switch lithium battery low to electricity to be charged, by system
Unnecessary electric energy transfer is to lithium ion battery it is ensured that the significant power demand in acceleration and climbing for the automobile is met.When lithium electricity
When 60%～95%, System Priority coordinates energy stores in super capacitor to the electricity in pond, and control system is according to power bus
On voltage and super-capacitor voltage control the off and on of super capacitor to carry out discharge and recharge, the power on balance power bus
Changes in demand, reduces the discharge and recharge number of times to lithium battery, extends lithium battery service life.
The ceiling voltage of wherein aluminium-air cell is 22V, and, in 14.4～12V, super capacitor is for high power discharge platform
High voltage is 16.2V.Ferric phosphate lithium cell ceiling voltage is 14.6V, and high power discharge platform is in 12.8～12V.Therefore it is empty in aluminum
During gas battery operation, lithium battery only just participates in electric discharge when system needs great power output, and system detectio is to aluminum air
Battery total voltage is less than the switch connecting lithium battery and main power supply circuits during lithium battery voltage.When aluminium-air cell generated energy is abundant
When unnecessary electricity is transferred in lithium battery, when lithium battery and super capacitor electricity reach 95% and car load power consumption be less than
Aluminium-air cell peak power 80% when aluminum air pile out of service with hydrogen fuel cell.
The specific embodiment of present invention described above, does not constitute limiting the scope of the present invention.Any basis
Various other corresponding change and deformation that the technology design of the present invention is made, should be included in the guarantor of the claims in the present invention
In the range of shield.
Claims (10)
1. a kind of compound aluminium-air cell it is characterised in that include run generate electricity and produce hydrogen aluminium-air cell heap,
In order to generated electricity using the hydrogen that described aluminium-air cell heap produces h2 fuel cell stack, in order to carry out the super of power conversion
Level capacitance group, the lithium battery heap in order to carry out energy storage, and a control system, described control system is electric with described aluminum air respectively
Chi Dui, h2 fuel cell stack, super capacitor group and lithium battery heap connect, and described control system includes carrying out electrolyte control
Electrolyte control module, in order to collect the described aluminium-air cell heap hydrogen producing the hydrogen sending into described h2 fuel cell stack
Gas extraction module, and in order to detect the battery management module of described compound aluminium-air cell relevant information.
2. a kind of compound aluminium-air cell according to claim 1 it is characterised in that described control system also include in order to
The refrigerating module being radiated.
3. a kind of compound aluminium-air cell according to claim 2 is it is characterised in that described refrigerating module includes temperature biography
Sensor and radiator fan, for radiating to described compound aluminium-air cell.
4. a kind of compound aluminium-air cell according to claim 1 is it is characterised in that described electrolyte control module includes
Liquid level sensor, acceleration transducer, liquid feeding pump, positive displacement pump, circulating pump and effusion meter.
5. a kind of compound aluminium-air cell according to claim 1 is it is characterised in that described hydrogen extraction module includes gas
Liquid separation chamber, liquid level sensor, overflow valve, hydrogen pump and gas washing chamber.
6. a kind of compound aluminium-air cell according to claim 1 is it is characterised in that described battery management module includes electricity
Pressure detection module, current detection module, switch module and power output control module.
7. a kind of control method of the compound aluminium-air cell as described in any one as claim 1-6 is it is characterised in that include：
It is controlled using aluminium-air cell stack operation generation electric energy and to the electrolyte of aluminium-air cell heap；
Collect the hydrogen producing during described aluminium-air cell stack operation and send into h2 fuel cell stack and carry out reaction and produce electricity
Energy；
Voltage detecting is carried out to aluminium-air cell heap, h2 fuel cell stack, super capacitor group and lithium battery heap and carries out discharge and recharge
Management.
8. compound aluminium-air cell according to claim 7 control method it is characterised in that described to aluminium-air cell
The electrolyte of heap is controlled carrying out feed liquor, discharge opeing and loop control including to electrolyte.
9. the control method of compound aluminium-air cell according to claim 7 is it is characterised in that methods described is wrapped further
Include and aluminium-air cell heap, h2 fuel cell stack, super capacitor group and lithium battery heap are radiated.
10. the control method of compound aluminium-air cell according to claim 7 is it is characterised in that the described aluminum of described collection
During air cell stack operation produce hydrogen and send into h2 fuel cell stack carry out reaction produce electric energy, further include：
Gas-liquid separation and purification processes are carried out to described hydrogen.
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| CN109301402A (en) * | 2018-10-23 | 2019-02-01 | 郑州佛光发电设备有限公司 | Integrated power generation system based on air battery and hydrogen fuel cell |
| CN109638317A (en) * | 2019-01-29 | 2019-04-16 | 清华大学 | Metal air fuel cell electrolyte total management system and method |
| CN110184616A (en) * | 2019-07-09 | 2019-08-30 | 深圳市锐劲宝能源电子有限公司 | A kind of hydrogen-rich water generating device and hydrogen-rich water preparation method based on aluminium-air cell |
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| CN114335820A (en) * | 2021-12-16 | 2022-04-12 | 中国人民解放军火箭军工程大学 | Aluminum-air power supply electrolyte temperature-changing operation system and method |
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| CN114335820A (en) * | 2021-12-16 | 2022-04-12 | 中国人民解放军火箭军工程大学 | Aluminum-air power supply electrolyte temperature-changing operation system and method |
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Application publication date: 20170215 |