CN109755605A - Fuel battery double plates, preparation method and methanol recapitalization fuel cell unit based on grapheme material - Google Patents
Fuel battery double plates, preparation method and methanol recapitalization fuel cell unit based on grapheme material Download PDFInfo
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- CN109755605A CN109755605A CN201910122762.1A CN201910122762A CN109755605A CN 109755605 A CN109755605 A CN 109755605A CN 201910122762 A CN201910122762 A CN 201910122762A CN 109755605 A CN109755605 A CN 109755605A
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The present invention provides a kind of fuel battery double plates based on grapheme material, preparation method and methanol recapitalization fuel cell unit, fuel battery double plates to be made of grapheme material, and grapheme material includes 10-90 parts by weight of graphite alkene, 20-60 part by weight of metal.Fuel battery double plates provided by the invention based on grapheme material have the following advantages that bipolar plates plates can reach Centimeter Level or more；The density of this kind of grapheme material is 1.5 to 3.5 grams/cc, so that its lighter in weight；The radiation coefficient of grapheme material is more than 0.95, and the radiation coefficient of metal is only 0.1；The graphene bipolar plates can be realized the integration of structure function, so that its intensity is reached 40MPa to 300MPa, meets the structural requirement of fuel cell；Graphene bipolar plates equally possess good thermal conductivity and thermal diffusivity; local temperature caused by when can react to avoid hydrogen, oxygen is excessively high; it plays a protective role to anode catalyst layer, proton exchange membrane, cathode catalyst layer, while also improving the service life etc. of fuel cell.
Description
Technical field
The present invention relates to field of fuel cell technology, in particular to a kind of fuel cell bipolar based on grapheme material
Plate, preparation method and methanol recapitalization fuel cell unit.
Background technique
Bipolar plates are one of fuel cell important components.The function of bipolar plates is to provide gas flow, prevents battery gas chamber
In hydrogen ganged up with oxygen, and establish current path between concatenated yin-yang the two poles of the earth.Keeping certain mechanical strength and good
Under the premise of good choke effect, bipolar plate thickness should be thin as much as possible, to reduce the conduction resistance to electric current and heat.
Existing bipolar plate material is broadly divided into 3 classes: the composite material of carbonaceous material, metal material and metal and carbonaceous.
However, disadvantages such as existing bipolar plates there are weight big, poor radiation, service life are low.
Summary of the invention
The present invention provides a kind of fuel battery double plates based on grapheme material, fuel battery double plates are graphene
Material is made, and grapheme material includes 10-90 parts by weight of graphite alkene, 20-60 part by weight of metal.
Preferably, metal is any one or more in copper, aluminium, gold, silver, iron, molybdenum and tin.
Preferably, metal is copper, and grapheme material includes 55-75 parts by weight of graphite alkene, 25-45 parts by weight copper.
Preferably, metal is aluminium, and grapheme material includes 45-95 parts by weight of graphite alkene, 5-55 parts by weight aluminium.
Preferably, metal is molybdenum, and grapheme material includes 85-95 parts by weight of graphite alkene, 5-15 parts by weight molybdenum.
The present invention provides a kind of methods for preparing the fuel battery double plates based on grapheme material, including with
Lower step:
(1) by graphene oxide ultrasonic disperse in deionized water, graphene oxide water solution is obtained；
(2) by metal powder immersion step (1) obtained graphene oxide solution, by hydro-thermal method or chemical reduction method,
Load has the metal powder of graphene hydrogel in preparation hole；
(3) there is the metal powder of graphene hydrogel by freeze-drying load in step (2) resulting hole, obtain hole
It is interior to load the metal powder for having graphene aerogel；
(4) there is the metal powder of graphene aerogel as template to load in step (3) resulting hole, utilize chemical gaseous phase
Sedimentation obtains the three-dimensional grapheme containing substrate；
(5) after protecting the resulting three-dimensional grapheme containing substrate of step (4) by polymer, etched, cleaning is obtained
Molding grapheme material, then fuel made of numerical control processing or mold compacting or other moulding process is carried out to grapheme material
Cell bipolar plate.
Preferably, graphene oxide is prepared from the following steps:
(1) graphite, sodium nitrate and sodium hydroxide solution are uniformly mixed, mixture is made；
(2) mixture made from step (1) is slowly added in concentrated nitric acid, is maintained at 25-40 DEG C and stirs 1-2h, then
It is slowly added to the aqueous solution of sodium peroxide, reacts sealing and standing 4-5h after 10-20min, excessive deionized water is then added and carries out
Dilution, and pH is adjusted to neutrality, cetyl pyridinium bromide is then added, is heated to 20-40 DEG C of reaction 1-2h, then carries out anti-
Multiple filtration washing obtains filter cake, is placed in vacuum drying oven, and graphite oxide is made in dry 40-60h at being 100-120 DEG C in temperature
Alkene.
Preferably, in the step (1), graphene oxide water solution concentration is 0.5mg/mL -2mg/mL；
In the step (2), the reaction temperature of hydro-thermal method is 250 DEG C-280 DEG C, and the time is 2-4 hours；Chemical reduction method
The reducing agent used is selected from: sodium hydrogensulfite, ascorbic acid, vulcanized sodium, sodium ascorbate, hydrazine hydrate, hypophosphorous acid/iodine, to benzene
Diphenol, hydroiodic acid, reaction temperature are 100 DEG C -120 DEG C；
In the step (4), chemical vapour deposition technique growth temperature is 300-500 DEG C, and growth time is 3min-10h, raw
Long pressure is 10mTorr -800Torr；
In the step (5), the polymer for protection is selected from polymethyl methacrylate, polyethylene, polyphenyl second
Alkene or polypropylene；Etching use etching solution be selected from sulfur acid, hydrochloric acid, nitric acid, iron chloride, ferric nitrate, ammonium persulfate and
The solution of any one or two or more mixtures in Marble reagent.
The present invention provides a kind of methanol recapitalization fuel cell unit, including evaporator, the evaporator is connected with reformer chamber,
The reformer chamber is connected with high-temperature fuel cell pile, and the high-temperature fuel cell pile is by described based on grapheme material
Fuel battery double plates, monocell, sealing ring composition, the evaporator is equipped with methanol aqueous solution feed inlet, in the evaporator
Portion is equipped with evaporation plate, is provided with plate hole in the evaporation plate, the reformer chamber is connect with the evaporator, the reformer chamber surface
Coated with catalyst.
Preferably, the high-temperature fuel cell pile is equipped with waste gas outlet, and the exhaust gas is the reformation gas not reacted completely,
The waste gas outlet is connected with oxidizing chamber, by the complete oxidation of hydrogen of unreacted is water by oxidizing chamber, and generates heat；
For the oxidizing chamber by heat exchanger and the reformer chamber, the heat transfer that reaction is generated is reformer chamber, to reform
The catalysis reaction of room provides heat；
The methanol recapitalization fuel cell unit is provided with radiator structure, and the radiator structure is used to fire the methanol recapitalization
Expect that battery pack carries out radiating treatment.
Preferably, the radiator structure includes；
By the heat dissipating layer for the cuboid that alloy material body is constituted, it is set to the lower part of the methanol recapitalization fuel cell unit, institute
It states heat dissipating layer and is internally provided with first and hold cavity, described first holds and fill heat eliminating medium in cavity；
The two sides of the heat dissipating layer are linked with feed pathway and liquid outlet channel respectively, the feed pathway and liquid outlet channel it
Between respectively by water pump, cooling device and air-out apparatus connection；
The air-out apparatus includes the inlet and liquid outlet being connected to respectively with the feed pathway and liquid outlet channel, described
Air-out apparatus includes that second be connected to respectively with the inlet and liquid outlet holds cavity；
Described second top for holding cavity is communicated with liquid limit pipeline, and the height of the liquid limit pipeline, which is greater than, to be dissipated
The height of thermosphere；
It is provided with fluid infusion in the liquid limit pipeline, the liquid limits in pipeline, and level height is located at liquid limit
Between the upper port of position pipeline and the level height of heat dissipating layer；
Fluid infusion is connect by input duct and fluid infusion pump with heat eliminating medium apparatus for placing；The heat eliminating medium be refrigerant or
Any one in other liquid with flowing property.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of fuel battery double plates；
Fig. 2 a is the structural schematic diagram of radiator structure；
Fig. 2 b is that the feed pathway of connection and the structural schematic diagram of liquid outlet channel are distinguished in the two sides of heat dissipating layer；
Fig. 2 c is that the feed pathway of connection and the schematic cross-sectional view of liquid outlet channel are distinguished in the two sides of heat dissipating layer；
Fig. 3 is the side sectional view of the first embodiment of water conservancy diversion mixed plate；
Fig. 4 is the structural schematic diagram of second of embodiment of water conservancy diversion mixed plate；
Fig. 5 is flow regulator side sectional view in second of embodiment of water conservancy diversion mixed plate；
Fig. 6 is regulation pipe side sectional view in second of embodiment of water conservancy diversion mixed plate；
Fig. 7 is the side sectional view of the third embodiment of water conservancy diversion mixed plate；
Fig. 8 is block side sectional view in the third embodiment of water conservancy diversion mixed plate；
Fig. 9 is the middle block front view of the third embodiment of water conservancy diversion mixed plate；
Figure 10 is the electrical block diagram of electric quantity monitoring unit.
01, plates；011, through-hole；02, heat dissipating layer；021, heat eliminating medium；022, alloy material body；023, feed pathway；
024, liquid outlet channel；0201, water pump；0202, cooling device；0203, exhaust apparatus；0301, second cavity is held；0302, it limits
Position pipeline；0303, fluid infusion；10, water conservancy diversion mixed plate；11, upper sealing plate；12, lower sealing plate；13, inlet tube；14, discharge pipe；15,
Partition；20, flow regulator；21, regulation pipe；22, ring is adjusted；23, adjusting block；24, slideway；25, lead screw；26, handle；
27, flow-disturbing ring；28, dictyosome；29, block；30, bull stick；31, torque spring；32, the first rope；33, the second rope；34, flow-disturbing slot；
35, spoiler；36, flow-disturbing hole；37, flabellum；38, shaft.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The present invention provides a kind of fuel battery double plates based on grapheme material, as shown in Figure 1, fuel cell bipolar
Plate is made of grapheme material, and grapheme material includes 10-90 parts by weight of graphite alkene, 20-60 part by weight of metal.
Preferably, metal is any one or more in copper, aluminium, gold, silver, iron, molybdenum and tin.
Preferably, metal is copper, and grapheme material includes 55-75 parts by weight of graphite alkene, 25-45 parts by weight copper.
Preferably, metal is aluminium, and grapheme material includes 45-95 parts by weight of graphite alkene, 5-55 parts by weight aluminium.
Preferably, metal is molybdenum, and grapheme material includes 85-95 parts by weight of graphite alkene, 5-15 parts by weight molybdenum.
The present invention also provides a kind of methods for preparing the fuel battery double plates based on grapheme material, including
Following steps:
(1) by graphene oxide ultrasonic disperse in deionized water, graphene oxide water solution is obtained；
(2) by metal powder immersion step (1) obtained graphene oxide solution, by hydro-thermal method or chemical reduction method,
Load has the metal powder of graphene hydrogel in preparation hole；
(3) there is the metal powder of graphene hydrogel by freeze-drying load in step (2) resulting hole, obtain hole
It is interior to load the metal powder for having graphene aerogel；
(4) there is the metal powder of graphene aerogel as template to load in step (3) resulting hole, utilize chemical gaseous phase
Sedimentation obtains the three-dimensional grapheme containing substrate；
(5) after protecting the resulting three-dimensional grapheme containing substrate of step (4) by polymer, etched, cleaning is obtained
Molding grapheme material, then fuel made of numerical control processing or mold compacting or other moulding process is carried out to grapheme material
Cell bipolar plate.
Preferably, graphene oxide is prepared from the following steps:
(1) graphite, sodium nitrate and sodium hydroxide solution are uniformly mixed, mixture is made；
(2) mixture made from step (1) is slowly added in concentrated nitric acid, is maintained at 25-40 DEG C and stirs 1-2h, then
It is slowly added to the aqueous solution of sodium peroxide, reacts sealing and standing 4-5h after 10-20min, excessive deionized water is then added and carries out
Dilution, and pH is adjusted to neutrality, cetyl pyridinium bromide is then added, is heated to 20-40 DEG C of reaction 1-2h, then carries out anti-
Multiple filtration washing obtains filter cake, is placed in vacuum drying oven, and graphite oxide is made in dry 40-60h at being 100-120 DEG C in temperature
Alkene.
Preferably, in the step (1), graphene oxide water solution concentration is 0.5mg/mL -2mg/mL；
In the step (2), the reaction temperature of hydro-thermal method is 250 DEG C-280 DEG C, and the time is 2-4 hours；Chemical reduction method
The reducing agent used is selected from: sodium hydrogensulfite, ascorbic acid, vulcanized sodium, sodium ascorbate, hydrazine hydrate, hypophosphorous acid/iodine, to benzene
Diphenol, hydroiodic acid, reaction temperature are 100 DEG C -120 DEG C；
In the step (4), chemical vapour deposition technique growth temperature is 300-500 DEG C, and growth time is 3min-10h, raw
Long pressure is 10mTorr -800Torr；
In the step (5), the polymer for protection is selected from polymethyl methacrylate, polyethylene, polyphenyl second
Alkene or polypropylene；Etching use etching solution be selected from sulfur acid, hydrochloric acid, nitric acid, iron chloride, ferric nitrate, ammonium persulfate and
The solution of any one or two or more mixtures in Marble reagent.
The graphene bipolar plates made of above method have the following advantages that,
1, the bipolar plates plates of the application can reach Centimeter Level or more；
2, the density of this kind of grapheme material is 1.5 to 3.5 grams/cc, so that its lighter in weight；
3, the radiation coefficient of grapheme material is more than 0.95, and the radiation coefficient of metal is only 0.1；
4, the graphene bipolar plates being made by this method can be realized the integration of structure function, arrive its intensity
Up to 40MPa to 300MPa, meet the structural requirement of fuel cell
5, grapheme material is the best material of known heating conduction, referred to as " king of new material ", and graphene is bipolar
Plate equally possesses good thermal conductivity and thermal diffusivity, can to avoid hydrogen, oxygen reaction when caused by local temperature it is excessively high, to sun
Electrode catalyst layer, proton exchange membrane, cathode catalyst layer play a protective role, while also improving the service life of fuel cell
Deng；
6, by this method make graphene bipolar plates have good chemical stability, substantially not with acid-base reaction,
2800 DEG C can be up to using temperature in a vacuum or inert atmosphere, graphene bipolar plates and anode catalyst layer, proton exchange
The substance of the film layers such as film, cathode catalyst layer does not react, and can significantly improve fuel cell to avoid the generation of carburizing reagent
Reaction efficiency and service life etc.；
7, the runner of graphene bipolar plates production can be various forms.The first embodiment party of bipolar plates shown in Fig. 1
Formula, including plates 01 and the through-hole 011 being set on plates 01.
A kind of methanol recapitalization fuel cell unit, including evaporator, the evaporator are connected with reformer chamber, the reformer chamber with
High-temperature fuel cell pile is connected, and the high-temperature fuel cell pile is made of the fuel battery double plates of grapheme material, institute
Evaporator is stated equipped with methanol aqueous solution feed inlet, the evaporator inside is equipped with evaporation plate, is provided with plate hole in the evaporation plate, institute
It states reformer chamber to connect with the evaporator, the reformer chamber surface is coated with catalyst.
In one embodiment, the high-temperature fuel cell pile is equipped with waste gas outlet, and the exhaust gas is not reaction completely
Reformation gas, the waste gas outlet is connected with oxidizing chamber, by the complete oxidation of hydrogen of unreacted is water by oxidizing chamber, and generate heat
Amount.
In one embodiment, the oxidizing chamber is by heat exchanger and the reformer chamber, the heat transfer that reaction is generated
For reformer chamber, heat is provided for the catalysis reaction of reformer chamber.
In one embodiment, the methanol recapitalization fuel cell unit is provided with radiator structure, and the radiator structure is used for
Radiating treatment is carried out to the methanol recapitalization fuel cell unit.The radiator structure includes；
By the heat dissipating layer for the cuboid that alloy material body is constituted, it is set to the lower part of the fuel battery double plates, it is described to dissipate
Thermosphere is internally provided with first and holds cavity, and described first holds and fill heat eliminating medium in cavity；
The two sides of the heat dissipating layer are linked with feed pathway and liquid outlet channel respectively, the feed pathway and liquid outlet channel it
Between respectively by water pump, cooling device and air-out apparatus connection；
The air-out apparatus includes the inlet and liquid outlet being connected to respectively with the feed pathway and liquid outlet channel, described
Air-out apparatus includes that second be connected to respectively with the inlet and liquid outlet holds cavity；
Described second top for holding cavity is communicated with liquid limit pipeline, and the height of the liquid limit pipeline, which is greater than, to be dissipated
The height of thermosphere；
It is provided with fluid infusion in the liquid limit pipeline, the liquid limits in pipeline, and level height is located at liquid limit
Between the upper port of position pipeline and the level height of heat dissipating layer；
Fluid infusion is connect by input duct and fluid infusion pump with heat eliminating medium apparatus for placing；The heat eliminating medium be refrigerant or
Any one in other liquid with flowing property.
In one embodiment, the structural schematic diagram of the radiator structure as shown in Fig. 2 a, 2b and 2c, the radiator structure packet
It includes；
The heat dissipating layer 02 for the cuboid being made of alloy material body 022 is set under the methanol recapitalization fuel cell unit
Portion, the heat dissipating layer 02 are internally provided with first and hold cavity, and described first holds and fill heat eliminating medium 021 in cavity, wherein
Alloy material body can be made of any two metal；
The two sides of the heat dissipating layer 02 are linked with feed pathway 023 and liquid outlet channel 024, the feed pathway 023 respectively
Pass through water pump 0201, cooling device 0202 and air-out apparatus connection respectively between liquid outlet channel 024；
The air-out apparatus includes the inlet being connected to respectively with the feed pathway 023 and liquid outlet channel 024 and liquid out
Mouthful, the air-out apparatus includes that second be connected to respectively with the inlet and liquid outlet holds cavity 0301；
Described second top for holding cavity 0301 is communicated with liquid limit pipeline 0302, and the liquid limits pipeline 0302
Height be greater than heat dissipating layer 02 height；
It is provided with fluid infusion 0303 in the liquid limit pipeline 0302, the liquid limits in pipeline 0302, horizontal high
Degree is located between the upper port of liquid limit pipeline 0302 and the level height of heat dissipating layer 02；
Fluid infusion is connect by input duct and fluid infusion pump with heat eliminating medium apparatus for placing；The heat eliminating medium be refrigerant or
Any one in other liquid with flowing property.
The effect and principle of above-mentioned technical proposal are:
The heat that fuel battery double plates distribute is transferred at heat eliminating medium 021 by alloy material body, and is situated between by heat dissipation
Matter 021, which flows the heat for distributing fuel battery double plates, to be taken away.Fluid infusion, the liquid are provided in the liquid limit pipeline
Body limits in pipeline, and level height is located between the upper port of liquid limit pipeline and the level height of heat dissipating layer；Fluid infusion is logical
It crosses input duct and fluid infusion pump is connect with heat eliminating medium apparatus for placing.The two sides of heat dissipating layer 02 are linked with feed pathway 023 respectively
With liquid outlet channel 024, passes through water pump 0201, cooling device 0202 between feed pathway 023 and liquid outlet channel 024 respectively and go out
Device of air 0203 connects, and the heat eliminating medium 021 in heat dissipating layer 02 drives by water pump 0201, followed by cooling device 0202,
Then feed pathway 023, heat dissipating layer 02, liquid outlet channel 024 and air-out apparatus 0203 are flow back into cooling device 0202 again, lead to
It crosses this cyclic process the heat eliminating medium 021 in heat dissipating layer 02 with heat is made constantly to flow through cooling device 0202 and freeze so
It flows back in heat dissipating layer 02 again afterwards, is recycled and radiated with this.And then reaches and radiate to the lower part of fuel battery double plates
Purpose.
In one embodiment, including being set to the water conservancy diversion mixed plates of fuel battery double plates, as shown in Fig. 3,4,5 and 6,
Water conservancy diversion mixed plate is multilayer, and every layer of water conservancy diversion mixed plate is provided with cellular deflector hole, the top setting of water conservancy diversion mixed plate
Lower sealing plate is arranged in upper sealing plate, the bottom of water conservancy diversion mixed plate, and inlet tube and discharge pipe is respectively set in the opposite two sides of upper sealing plate, into
Liquid pipe and discharge pipe penetrate through water conservancy diversion mixed plate.Water conservancy diversion mixed plate corresponds to inlet tube and discharge pipe position is respectively provided with partition, and two
Partition is oppositely arranged, and water conservancy diversion mixed plate is located between two partitions, and inlet tube and discharge pipe are located at diaphragm internal, and bulkhead sides are set
Pore is set, reactant flows into water conservancy diversion mixed plate by pore.
The effect and principle of above-mentioned technical proposal are:
Achieve the purpose that radiate to the top of fuel battery double plates by water conservancy diversion mixed plate, and water conservancy diversion mixed plate
Interior real-time flowing has liquid, and then achievees the purpose that take away heat.And deflector hole is in honeycomb, so that being connect at water conservancy diversion mixed plate
The heat of receipts can be sufficiently transmitted in liquid.
In one embodiment, as shown in Fig. 7,8 and 9, flow regulator, flow regulator packet are set on inlet tube
It including regulation pipe, adjusts ring and adjusting block, in adjusting ring, the Single port for adjusting ring is fixedly connected with inlet tube for regulation pipe setting,
Regulation pipe is connected to inlet tube, is adjusted two sides opposite in ring and is respectively provided with slideway, the vertical inlet tube setting of slideway, slideway two
End is mounted slidably adjusting block, and adjusting block is connect with pipe outer wall is adjusted, and regulation pipe is between two adjusting blocks, adjusting block
It is arranged with insertion setting lead screw, lead screw in regulation pipe along slideway direction, opposite screw thread is set along lead screw from centre to both ends, two
A adjusting block is cooperatively connected with threads of lead screw, and lead screw both ends are rotatably and tightly connected with regulation pipe, and lead screw wherein stretch by one end
Regulation pipe and it is fixedly connected with handle out, several circle flow-disturbing rings is uniformly arranged in regulation pipe, flow-disturbing ring is fixed in regulation pipe
On side wall, dictyosome is respectively provided in each flow-disturbing ring, adjusting block is projection shape, and the tip of two pieces of adjusting blocks is oppositely arranged, and is adjusted
Block is set in pipe and bull stick, bull stick are arranged in parallel with lead screw, bull stick is rotatably connected with inside pipe wall is adjusted, bull stick and regulation pipe
Torque spring is connected between inner wall, block passes through the first rope connection, block between lead screw and bull stick between block and lead screw
By the second rope connection between bull stick, block opens up flow-disturbing slot towards lead screw side, and several flow-disturbings are arranged in the notch of flow-disturbing slot
Plate, every piece of spoiler and liquid flow direction are respectively provided with different angle, and the length of multiple spoilers is different, and spoiler is linear type
Or multistage shaped form；Several flow-disturbing holes are set in flow-disturbing slot, flabellum, radially fixed setting turn in flow-disturbing hole are set in flow-disturbing hole
Axis, flabellum are connect by bearing with shaft, axis of the shaft perpendicular to flow-disturbing hole.
The effect and principle of above-mentioned technical proposal are:
The fluid flow of water conservancy diversion mixed plate can be adjusted by flow regulator, when fuel battery double plates
When exothermic temperature is excessive, the fluid flow controlled in water conservancy diversion mixed plate increases, and increases its heat-sinking capability, works as fuel battery double plates
Exothermic temperature it is lower when, control water conservancy diversion mixed plate in fluid flow reduce, avoid the wasting of resources.It also can reach to regulation pipe
The purpose that the liquid flowed out in 21 flows slowly.
In one embodiment, further include temperature sensor, display and for temperature sensor and display into
The battery of row power supply, temperature sensor are used to monitor the temperature of fuel battery double plates and are shown by display device,
It further include the electric quantity monitoring unit for being monitored to accumulator electric-quantity；
The electric quantity monitoring unit passes through Hall sensor, integrating circuit, integrating capacitor discharge circuit and pulse generation electricity
Road composition, Hall sensor are electrically connected with integrating circuit, and wherein Hall sensor is used to obtain the electric current of accumulator cell charging and discharging, when
Current signal is converted into negative voltage signal by Hall sensor when battery is discharge condition, is believed by integrating circuit the voltage
Number Integral Processing is carried out, pulse generating circuit generates the pulse of a discharge electricity amount when being integrated to setting voltage, and passes through integral
Capacitor discharging circuit discharges to the integrating capacitor of integrating circuit, and is integrated next time, when battery is charging shape
Current signal is converted into being converted into negative voltage signal, integrating circuit pair by phase inverter after positive voltage signal by state Hall sensor
The voltage signal carries out Integral Processing, and pulse generating circuit generates a charge capacity pulse when being integrated to setting voltage, and right
The integrating capacitor of integrating circuit is discharged, and is then integrated next time, with counter respectively to battery charge capacity arteries and veins
Punching and discharge electricity amount step-by-step counting, then subtraction is done, carry out the monitoring of storage battery charge state.
In one embodiment, integrating circuit includes the 5th resistance R5, the 6th resistance R6, the second capacitor C2, third capacitor
C3, the 7th diode Z7, the 8th diode Z8, the first operational amplifier U1, second operational amplifier U2 and phase inverter U3, wherein
One end of 5th resistance R5 and the input terminal of phase inverter U3 are connected to Hall current sensor output end, the 5th resistance R5 other end
The reverse side of the first operational amplifier is connect, the 7th diode Z7 anode is connect after the second capacitor C2 is in parallel with the 7th diode Z7
First operational amplifier U1 reverse side, the 7th diode Z7 cathode are connected to the first operational amplifier U1 output end, phase inverter U3
Connect second operational amplifier U2 reverse side with after the 6th resistance R6 series connection, the second capacitor C2 it is in parallel with the 8th diode Z8 it
The 8th diode Z8 anode connects second operational amplifier U2 reverse side afterwards, and the 8th diode Z8 cathode is connected to the second operation and puts
Big device U2 output end.
The integrating capacitor discharge circuit includes the first analog switch K1, the second analog switch K2, wherein the first simulation is opened
Pass K1 is in parallel with the second capacitor C2, and the control terminal of the first analog switch K1 is connect with reverse current output pulse ends, the second simulation
Switch K2 is in parallel with the second capacitor C2, and the control terminal of the second analog switch K2 is connect with forward current output pulse ends.
The pulse generating circuit includes the 7th resistance R7, the 8th resistance R7, first voltage comparator U4, second voltage ratio
Compared with device U5, the 7th resistance R7 is being connected to the first operational amplifier U1 output end in integrating circuit and first voltage comparator U4 just
Between phase end, the reverse phase of first voltage comparator U4 terminates the reference voltage of setting, and first voltage comparator U4 output end is reversed
To current output pulse end, the 8th resistance R8 is connected to second operational amplifier U2 output end and second voltage in integrating circuit
Between comparator U5 positive terminal, the reference voltage of the reverse phase termination setting of second voltage comparator U5, second voltage comparator U5
Output termination forward current exports pulse ends.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (11)
1. a kind of fuel battery double plates based on grapheme material, which is characterized in that fuel battery double plates are graphene material
Material is made, and grapheme material includes 10-90 parts by weight of graphite alkene, 20-60 part by weight of metal.
2. fuel battery double plates according to claim 1, which is characterized in that metal be copper, aluminium, gold, silver, iron, molybdenum with
And any one or more in tin.
3. fuel battery double plates according to claim 2, which is characterized in that metal is copper, and grapheme material includes 55-
75 parts by weight of graphite alkene, 25-45 parts by weight copper.
4. fuel battery double plates according to claim 2, which is characterized in that metal is aluminium, and grapheme material includes 45-
95 parts by weight of graphite alkene, 5-55 parts by weight aluminium.
5. fuel battery double plates according to claim 2, which is characterized in that metal is molybdenum, and grapheme material includes 85-
95 parts by weight of graphite alkene, 5-15 parts by weight molybdenum.
6. a kind of method for preparing the fuel battery double plates described in any one of claims 1 to 5 based on grapheme material,
Characterized by comprising the following steps:
(1) by graphene oxide ultrasonic disperse in deionized water, graphene oxide water solution is obtained；
(2) graphene oxide solution for obtaining metal powder immersion step (1) passes through hydro-thermal method or chemical reduction method, preparation
Load has the metal powder of graphene hydrogel in hole；
(3) there is the metal powder of graphene hydrogel by freeze-drying load in step (2) resulting hole, obtain in hole and bear
It is loaded with the metal powder of graphene aerogel；
(4) there is the metal powder of graphene aerogel as template to load in step (3) resulting hole, utilize chemical vapor deposition
Method obtains the three-dimensional grapheme containing substrate；
(5) after protecting the resulting three-dimensional grapheme containing substrate of step (4) by polymer, etched, cleaning is formed
Grapheme material, then to grapheme material carry out numerical control processing or mold compacting or other moulding process made of fuel cell
Bipolar plates.
7. according to the method described in claim 6, it is characterized in that, graphene oxide is prepared from the following steps:
(1) graphite, sodium nitrate and sodium hydroxide solution are uniformly mixed, mixture is made；
(2) mixture made from step (1) is slowly added in concentrated nitric acid, is maintained at 25-40 DEG C and stirs 1-2h, then slowly
The aqueous solution of sodium peroxide is added, reacts sealing and standing 4-5h after 10-20min, excessive deionized water is then added and is diluted,
And pH is adjusted to neutrality, cetyl pyridinium bromide is then added, is heated to 20-40 DEG C of reaction 1-2h, then carries out mistake repeatedly
Filter washing obtains filter cake, is placed in vacuum drying oven, and graphene oxide is made in dry 40-60h at being 100-120 DEG C in temperature.
8. according to the method described in claim 6, it is characterized in that,
In the step (1), graphene oxide water solution concentration is 0.5mg/mL -2mg/mL；
In the step (2), the reaction temperature of hydro-thermal method is 250 DEG C-280 DEG C, and the time is 2-4 hours；Chemical reduction method uses
Reducing agent be selected from: sodium hydrogensulfite, ascorbic acid, vulcanized sodium, sodium ascorbate, hydrazine hydrate, hypophosphorous acid/iodine, hydroquinone,
Hydroiodic acid, reaction temperature are 100 DEG C -120 DEG C；
In the step (4), chemical vapour deposition technique growth temperature is 300-500 DEG C, and growth time is 3min-10h, growth pressure
Power is 10mTorr -800Torr；
In the step (5), it is described for protection polymer be selected from polymethyl methacrylate, polyethylene, polystyrene or
Polypropylene；The etching solution that etching uses is selected from sulfur acid, hydrochloric acid, nitric acid, iron chloride, ferric nitrate, ammonium persulfate and Marble
The solution of any one or two or more mixtures in reagent.
9. a kind of methanol recapitalization fuel cell unit, which is characterized in that including evaporator, the evaporator is connected with reformer chamber, institute
It states reformer chamber to be connected with high-temperature fuel cell pile, the high-temperature fuel cell pile is as described in claim 1 to 5 based on stone
Fuel battery double plates, monocell, the sealing ring composition of black alkene material, the evaporator are equipped with methanol aqueous solution feed inlet, institute
It states and is equipped with evaporation plate inside evaporator, be provided with plate hole in the evaporation plate, the reformer chamber is connect with the evaporator, described heavy
Whole chamber internal surface is coated with catalyst.
10. methanol recapitalization fuel cell unit according to claim 9, which is characterized in that
The high-temperature fuel cell pile is equipped with waste gas outlet, and the exhaust gas is the reformation gas not reacted completely, and the exhaust gas goes out
Mouthful it is connected with oxidizing chamber, by the complete oxidation of hydrogen of unreacted is water by oxidizing chamber, and generate heat；
For the oxidizing chamber by heat exchanger and the reformer chamber, the heat transfer that reaction is generated is reformer chamber, is reformer chamber
Catalysis reaction provides heat；
The methanol recapitalization fuel cell unit is provided with radiator structure, and the radiator structure is used for the methanol recapitalization fuel electricity
Pond group carries out radiating treatment.
11. methanol recapitalization fuel cell unit according to claim 10, which is characterized in that
The radiator structure includes；
By the heat dissipating layer for the cuboid that alloy material body is constituted, it is set to the lower part of the methanol recapitalization fuel cell unit, it is described to dissipate
Thermosphere is internally provided with first and holds cavity, and described first holds and fill heat eliminating medium in cavity；
The two sides of the heat dissipating layer are linked with feed pathway and liquid outlet channel respectively, divide between the feed pathway and liquid outlet channel
It Tong Guo not water pump, cooling device and air-out apparatus connection；
The air-out apparatus includes the inlet and liquid outlet being connected to respectively with the feed pathway and liquid outlet channel, the outlet
Device includes that second be connected to respectively with the inlet and liquid outlet holds cavity；
Described second top for holding cavity is communicated with liquid limit pipeline, and the height of the liquid limit pipeline is greater than heat dissipating layer
Height；
It is provided with fluid infusion in the liquid limit pipeline, the liquid limits in pipeline, and level height is located at liquid position-limiting tube
Between the upper port in road and the level height of heat dissipating layer；
Fluid infusion is connect by input duct and fluid infusion pump with heat eliminating medium apparatus for placing；The heat eliminating medium be refrigerant or other
Any one in liquid with flowing property.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668508A (en) * | 2020-06-16 | 2020-09-15 | 氢源科技(赣州)有限公司 | Flow channel structure of bipolar plate of hydrogen fuel cell |
| CN113690456A (en) * | 2021-08-06 | 2021-11-23 | 米库玻璃纤维增强塑料泰州有限责任公司 | High-performance graphene bipolar plate for fuel cell and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500841A (en) * | 2013-10-18 | 2014-01-08 | 中国科学院宁波材料技术与工程研究所 | Composite bipolar plate of flow battery and method for manufacturing composite bipolar plate |
| CN105523546A (en) * | 2016-01-22 | 2016-04-27 | 复旦大学 | Preparation method of three-dimensional graphene |
| CN107210456A (en) * | 2014-11-03 | 2017-09-26 | 于利奇研究中心有限公司 | Bipolar plates and its manufacture method for electrochemical cell |
| CN108199058A (en) * | 2017-12-15 | 2018-06-22 | 中国第汽车股份有限公司 | A kind of preparation method of conducting polymer-graphene composite dual-electrode plates |
| CN109192993A (en) * | 2018-09-12 | 2019-01-11 | 上海电气集团股份有限公司 | A kind of electric conductive oxidation graphene board preparation method can be used for bipolar plate of all-vanadium redox flow battery |
-
2019
- 2019-02-19 CN CN201910122762.1A patent/CN109755605B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500841A (en) * | 2013-10-18 | 2014-01-08 | 中国科学院宁波材料技术与工程研究所 | Composite bipolar plate of flow battery and method for manufacturing composite bipolar plate |
| CN107210456A (en) * | 2014-11-03 | 2017-09-26 | 于利奇研究中心有限公司 | Bipolar plates and its manufacture method for electrochemical cell |
| CN105523546A (en) * | 2016-01-22 | 2016-04-27 | 复旦大学 | Preparation method of three-dimensional graphene |
| CN108199058A (en) * | 2017-12-15 | 2018-06-22 | 中国第汽车股份有限公司 | A kind of preparation method of conducting polymer-graphene composite dual-electrode plates |
| CN109192993A (en) * | 2018-09-12 | 2019-01-11 | 上海电气集团股份有限公司 | A kind of electric conductive oxidation graphene board preparation method can be used for bipolar plate of all-vanadium redox flow battery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668508A (en) * | 2020-06-16 | 2020-09-15 | 氢源科技(赣州)有限公司 | Flow channel structure of bipolar plate of hydrogen fuel cell |
| CN113690456A (en) * | 2021-08-06 | 2021-11-23 | 米库玻璃纤维增强塑料泰州有限责任公司 | High-performance graphene bipolar plate for fuel cell and preparation method thereof |
| CN113690456B (en) * | 2021-08-06 | 2022-07-22 | 米库玻璃纤维增强塑料泰州有限责任公司 | High-performance graphene bipolar plate for fuel cell and preparation method thereof |
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