CN109037731A - A kind of liquid-cooled module for high power fuel cell heat transfer samming - Google Patents
A kind of liquid-cooled module for high power fuel cell heat transfer samming Download PDFInfo
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- CN109037731A CN109037731A CN201810662690.5A CN201810662690A CN109037731A CN 109037731 A CN109037731 A CN 109037731A CN 201810662690 A CN201810662690 A CN 201810662690A CN 109037731 A CN109037731 A CN 109037731A
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- 238000012546 transfer Methods 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000012528 membrane Substances 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 239000000110 cooling liquid Substances 0.000 claims abstract description 25
- 238000009833 condensation Methods 0.000 claims abstract description 19
- 230000005494 condensation Effects 0.000 claims abstract description 19
- 239000002826 coolant Substances 0.000 claims abstract description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000001257 hydrogen Substances 0.000 claims abstract description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 10
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- 230000005611 electricity Effects 0.000 claims description 9
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000013528 metallic particle Substances 0.000 claims description 4
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Classifications
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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
-
- 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
-
- 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
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04225—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during start-up
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (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)
Abstract
The invention discloses a kind of liquid-cooled modules for high power fuel cell heat transfer samming；Mainly it is made of fuel cell pile, cooling liquid flowing channel, ultra-thin temperature-uniforming plate, storage liquid case, circulating liquid pump and heating device；It stores liquid case, circulating liquid pump, heating device to be sequentially connected in series by cooling liquid flowing channel, forms heat transfer samming circulation loop；Cooling liquid flowing channel passes through the condensation end of the ultra-thin temperature-uniforming plate of multiple spaced fuel cell piles；The two sides of membrane electrode are respectively equipped with ultra-thin temperature-uniforming plate, and multiple membrane electrodes and ultra-thin temperature-uniforming plate are arranged alternately；The cavity body setting of ultra-thin temperature-uniforming plate in the housing, at least stretches out shell from one end of shell, is equipped with liquid-sucking core and working medium in cavity；The upper surface or lower surface of shell are respectively equipped with air flow channel or hydrogen runner.Heat is passed to ultra-thin temperature-uniforming plate condensation segment by working medium of the present invention, and heat is taken away by coolant liquid, achievees the effect that pile temperature uniforming heat radiation, remains that pile works at good temperature.
Description
Technical field
The present invention relates to field of fuel cell technology, equal for high current density fuel cell heat transfer more particularly to one kind
The liquid-cooled separate unit modular system of temperature.
Background technique
Fuel cell is referred to as after water power, thermoelectricity and nuclear power to continue to generate the 4th kind of continuous power generation side of electric power
Formula, many technical advantages for having traditional thermal power generation to hardly match, it does not suffer from heat engine carnot's cycle process and straight
It connects and the chemical energy of fuel is transformed into electric energy, then vehicle is driven by motor, when with internal-combustion engine drives generator, efficiency
Only 30%~40%；And the efficiency of fuel cell is up to 50%~60%, outstanding advantages are to reduce disposal of pollutants, for hydrogen
Fuel cell, the product after power generation there was only water, it can be achieved that no pollution.So fuel cell powerplant is in environmental protection and energy saving two sides
The advantage in face is extremely prominent.Superior function of PEMFC in terms of started quickly at low temperature, specific power makes it
It is fast, room temperature work with simple structure, starting since electrolyte uses polymeric membrane as the preferred power supply of delivery vehicle
Advantage, optimum provide free of contamination electrical source of power for vehicles such as automobiles.And the heat dissipation of PEMFC fuel cell is to influence combustion
Expect battery performance, the principal element in service life and operational safety, and one of the Research Emphasis of next-generation fuel cell technology.
While chemically reacting generation electric energy along with PEMFC, there are also part chemical energy to be converted to heat, adds pile
When being output to the outside electric energy, since therein can also generate the heats such as polarization heat, ohm heat, wherein 40%~50% energy
Dissipation will generate thermal energy, these thermal energy cause stack temperature constantly to increase in pemfc stack inner accumulation.Temperature is to PEMFC
The influence of performance is very significant, and PEMFC constantly generates heat in operation, and extra heat is such as discharged not in time, and inside will
It is gradually warmed up, temperature increases, and is conducive to improve the transmission speed of electrochemical reaction rates and proton in dielectric film, obtain more
Big electric current, battery performance improve, but temperature is excessively high so that proton exchange membrane is dehydrated, and are unsatisfactory for the wet condition of film, conductance
Rate decline, deterioration of cell properties, when temperature is close to 100 DEG C, since PEMFC is using polymer dielectric, proton membrane
Intensity will decline, at this point, film will appear micropore as cooled down not in time, so that hydrogen enters air system, jeopardize operational safety,
If the temperature in battery component reaches the boiling point of water, the water in battery membrane module is in gaseous state, is unfavorable for dimension in membrane electrode
Hold necessary wetting moisture.When internal temperature of battery is too low, output voltage will decline, and battery pack overall performance deteriorates.Therefore,
Should be maintained at by maintaining the temperature of normal electrochemical reactions inside PEMFC by 60~80 DEG C, and pile internal request each section temperature is basic
Unanimously, to guarantee its working performance.
Current density is in 0.7A/cm2Fuel cell below uses air cooling way, can substantially meet cooling heat dissipation and want
It asks；The cooling above 0.7A/cm2Above high current density fuel cell is needed to be cooled down using liquid cooling mode, is just able to satisfy
The cooling requirements of high current density.The conventional fuel cell type of cooling has the heat extraction of coolant liquid circulation, air cooling and liquid steaming
Feel cold but, it is air-cooled plus evaporation cooling.This kind of system is due to needing blower, pump, heat exchanger, heater, pipeline and other attachmentes
And keep structure excessively huge, complicated, while it also increases the investment of system.So existing traditional heat-dissipating equipment and cooling means
For the cooling of fuel cell, certainly not optimal selection.
Current most of high current density piles are substantially direct by coldplate with traditional coolant liquid (such as cooling water)
Into radiating in pile, this radiating mode cooling water circulating resistance is big, is unfavorable for radiating, and the power of circulating liquid pump
It is higher, the net power output of fuel cell is consumed significantly.
Chinese utility model patent CN203812974U discloses array heat pipe-type Proton Exchange Membrane Fuel Cells heat management
Structure, Chinese invention patent application CN103715441A disclose the electricity of the pem fuel based on array heat pipe phase-change heat transfer
Pond thermal management algorithm, but there are following problems for such prior art:
1, based on the considerations of fuel battery power and size, therefore each cell of fuel cell is very thin, Mei Geshuan
Electrode thickness is about 1~3mm.But a copper job is installed in insertion in each battery unit in above-mentioned existing patented technology
Plate, and typical circular heat pipe is mounted in working plate and reaches heat dissipation purpose, the overall dimension of pile can be greatly increased in this way.
2, heat pipe uses common round tube, contact area between typical circular heat pipe and working plate in above-mentioned existing patented technology
Smaller, heat exchange efficiency is not high, a large amount of heat cannot be discharged from fuel battery inside in time, seriously affect the normal work of pile
Make.
3, heat pipe independently radiates in above-mentioned existing patented technology, is not able to maintain every heat pipe temperature having the same,
And have a certain distance between heat pipe, the temperature distributing disproportionation temperature in bipolar plate face can be made in this way, temperature gradient is larger, influences electricity
The working condition of heap can damage the service life of pile when serious.
4, in above-mentioned existing patented technology heat pipe evaporation ends and condensation end it is in 90 °~hexagonal angle degree, will increase heat pipe in this way
The flow resistance of interior phase working medium, seriously affects heat pipe heat exchanging efficiency, and feasibility is not high.
Summary of the invention
For shortcoming and defect existing in the prior art, the purpose of the present invention is to provide a kind of small in size, heat exchange effects
Rate is high, guarantee fuel cell equilibrium operating for current density in 0.7A/cm2Above high power fuel cell heat transfer samming
Liquid-cooled module.
The present invention integrates the function of the function of ultra-thin temperature-uniforming plate and general fuel cell bipolar plates, is designed to have
There is the ultra-thin temperature-uniforming plate of composite surface function, is a kind of special bipolar plates；It is evaporation ends among the temperature-uniforming plate, as the double of pile
Pole plate can either play separation reaction gas, and reaction gas is imported into fuel cell by flow field, collect and conduct electricity
Stream；And having the function of temperature-uniforming plate again, the hot-fluid that will accumulate in bipolar plate surfaces rapidly diffuses into the condensing surface of large area
On, to promote distributing for heat, the heat flow density of bipolar plate surfaces is reduced, plays the effect of temperature uniforming heat radiation.The present invention utilizes
It needs to add when the heat or low temperature that generate when the excellent thermal conductivity of temperature-uniforming plate and the invertibity of direction of heat flow are by operation of fuel cells
The heat of heat heat preservation is transmitted by temperature-uniforming plate, achievees the effect that pile temperature uniforming heat radiation, pile is made to remain good
It is run under operating condition.The present invention can either effectively solve the problems, such as fuel cell cold-starting, also can be by high-power pile
The amount of heat of generation is discharged in time, and the working performance and service life of fuel cell is greatly improved.
The present invention compared to conventional heat pipe for, ultra-thin temperature-uniforming plate be two-dimensional flat plate heat dissipation, have bigger disengagement area
And heat dissipation area, it is suitable for the frivolous compact and biggish use environment of heat dissipation area, is conducive to heat point source samming to large area
Evaporation substrate on；Due to ultra-thin samming plate thickness and volume all sharp falls, the bipolar plates of itself and fuel cell are integrated,
It will be substantially reduced the size of fuel cell, while keeping fuel cell system structure simpler.
Cooling water pipeline is also to have carried out personalized design for the arrangement of temperature-uniforming plate, in the duct by multilayer every
Plate, every interlayer respectively correspond the ultra-thin temperature-uniforming plate of installation, individual thermal control can be carried out to each battery unit in this way, if wherein
One piece of monocell is excessively high (or too low) in temperature during the work time, can be cold in the interlayer by controlling cooling pipe where it
But the flow of water carrys out the temperature of regulating cell unit, reaches optimal working condition.
The object of the invention is achieved through the following technical solutions:
A kind of liquid-cooled module for high power fuel cell heat transfer samming, mainly by fuel cell pile, coolant liquid
Runner, ultra-thin temperature-uniforming plate store liquid case, circulating liquid pump and heating device composition；Heating device be mounted on cooling liquid flowing channel into
Liquid end；It stores liquid case, circulating liquid pump, heating device to be sequentially connected in series by cooling liquid flowing channel, forms heat transfer samming circulation loop；It is cold
But liquid stream road passes through the condensation end of the ultra-thin temperature-uniforming plate of multiple spaced fuel cell piles；
The fuel cell pile includes end cap, membrane electrode, ultra-thin temperature-uniforming plate, and the two sides of membrane electrode are respectively equipped with ultra-thin equal
Warm plate, multiple membrane electrodes and ultra-thin temperature-uniforming plate are arranged alternately, and outermost ultra-thin temperature-uniforming plate is connect with end cap；The ultra-thin samming
Plate includes shell, cavity body, liquid-sucking core and working medium；Cavity body is arranged in the housing, at least stretches out shell from one end of shell, empty
Liquid-sucking core and working medium are equipped in chamber；The upper surface or lower surface of shell are respectively equipped with air flow channel or hydrogen runner；Air stream
Road or hydrogen runner are connect with the upper surface of membrane electrode or lower surface respectively；Shell and cavity body portion structure connected to the housing
At ultra-thin temperature-uniforming plate evaporation ends, cavity body stretches out housing parts and constitutes ultra-thin temperature-uniforming plate condensation end；The overall thickness of ultra-thin temperature-uniforming plate
Degree is no more than 2mm.
Preferably, the cavity body is stretched out from the both ends of shell.
Preferably, rectangular configuration is made in the cooling liquid flowing channel being arranged in fuel cell pile, is equipped in rectangular configuration more
A carrier ring, each ultra-thin temperature-uniforming plate condensation end are arranged in a rectangular configuration of cooling liquid flowing channel, and cooling liquid flowing channel is super
Part outside thin temperature-uniforming plate condensation end is circular pipe.
Preferably, one of working medium selection acetone, ethyl alcohol and deionized water or a variety of.
Preferably, the liquid-sucking core is by glass fibre, the metallic particles of sintering, silk screen or ultralight porous foam metal system
At.The metallic particles of sintering is preferably particle diameter in 200 mesh fine copper powder below.
Preferably, the shell is made of red copper or copper alloy.
Preferably, circulating liquid pump selects CRS25-10 type circulating liquid pump.
Preferably, the heating device selects PTC heating or device for heating electric heating membrane.
Preferably, the material selection PE of the cooling liquid flowing channel；The membrane electrode selects MEA membrane electrode.
General heat pipe is removed in difference, and the present invention devises the ultra-thin equal of the NEW TYPE OF COMPOSITE function of surface with Two-Dimensional Heat samming
Warm plate, the novel temperature-uniforming plate have the function of that temperature-uniforming plate heat radiation sam and bipolar plates separate reaction gas, water conservancy diversion, conduction electricity simultaneously
The effect of stream.It is evaporation ends among the temperature-uniforming plate, while the bipolar plates as pile, " hot spot " that will be generated on bipolar plate surfaces
It transmits and is diffused on the condensing surface of large area rapidly, reduce the heat flow density of bipolar plate surfaces, using cooling water by heat
It takes away, realizes the effect for keeping samming while cooling.
Cooling water pipeline of the present invention has carried out personalized design for the arrangement of temperature-uniforming plate, in the duct by multilayer
Partition, every interlayer respectively correspond installation temperature-uniforming plate, individual thermal control can be carried out to each battery unit, if one of list
Battery is excessively high (or too low) in temperature during the work time, can pass through cooling water in the interlayer of cooling pipe where controlling it
Flow carrys out the temperature of regulating cell unit, reaches optimal working condition, further realizes the effect of samming.
The present invention joined heating device in cooling water pipeline, and when pile is in low temperature environment, heating device can
To heat to cooling water, heat is transmitted in cell of fuel cell by temperature-uniforming plate and is heated up to pile by cooling water, is promoted
Battery is in cold-starting success.
Compared with the prior art, the invention has the following beneficial effects:
1, the core heat transfer samming component that the present invention uses is the ultra-thin temperature-uniforming plate of composite surface function, is different from existing wind
Directly cooling etc. modes of cold, liquid.Every temperature-uniforming plate is an independent heat transfer unit, and the damage of a piece of temperature-uniforming plate does not influence it
The normal use of his temperature-uniforming plate, so heat exchange property is more reliable and more stable.Temperature-uniforming plate have that heat exchange area is big, heat transfer efficiency is high and
The circulation of working media is the gravity by phegma, and no mechanical movement component increases the reliability of equipment, reduces
Power consumption substantially increases the output performance of fuel cell.
2, the present invention utilizes the invertibity of temperature-uniforming plate, and in winter arctic weather, (such as temperature is lower in -30 DEG C of even temperature
The north) fuel cell pack is kept the temperature (if the wet gas inside fuel cell pack freezes, fuel cell pack can be damaged
Membrane module, cause stack performance decaying, pile failure, serious conditions will appear explosion etc. safety problems).In fuel
When battery cold-starting, the heating devices heat coolant liquid being mounted in coolant duct, pump drives coolant liquid circulating-heating equal
Heat is quickly transmitted in cell of fuel cell using the invertibity of temperature-uniforming plate and is heated up to pile, promotes electricity by warm plate condensation end
Pond is in cold-starting success, to improve the low temperature environment adaptability and working life of fuel cell；In fuel battery temperature mistake
Gao Shi, heat pass to inner wall and liquid-sucking core from temperature-uniforming plate evaporator section (bipolar plates) outside wall surface, pass through temperature-uniforming plate internal working medium handle
Heat finally passes to the temperature-uniforming plate condensation segment outside fuel cell pile, and then heat is taken away by cooling water, reaches pile
The effect of temperature uniforming heat radiation remains that pile works at optimal temperature.
3, the ultra-thin temperature-uniforming plate in the fuel cell system that the present invention develops replaces traditional cooling duct plate, while will surpass
The bipolar plates of thin temperature-uniforming plate and fuel cell are integrated, and the ultra-thin temperature-uniforming plate with composite surface function is made.The evaporation of temperature-uniforming plate
End has the function of bipolar plates, plays the role of water conservancy diversion.Entire temperature-uniforming plate plays the effect of temperature uniforming heat radiation again simultaneously, fuel electricity
The heat heated is needed to be transmitted by temperature-uniforming plate when heat and low temperature that pond needs to distribute at high temperature, avoiding will lead to
It crosses fluid and passes through the conventional method that fuel cell could be cooled down or be heated, reach quickly heating (cooling) fuel battery inside heat
Effect, while keeping fuel cell system structure simpler, compact.
4, compared to for conventional heat pipe, ultra-thin temperature-uniforming plate is two-dimensional surface heat dissipation, has bigger evaporation and heat dissipation area,
Suitable for the compact-sized and biggish use environment of heat dissipation area, be conducive to the evaporation substrate of heat point source samming to large area
On, reduce the heat flow density of bipolar plate surfaces.Due to ultra-thin samming plate thickness and volume all sharp falls, ultra-thin temperature-uniforming plate can
To make more flexible assembly cooperation to the heat sink of pairing heat dissipation equipment, construction for heat radiating device form is more diversified.And it is ultra-thin
Temperature-uniforming plate can neatly change cooling surface area, the temperature samming for more effectively putting hot-spot high temperature (low temperature).
5, coolant duct of the present invention is also to be designed for the arrangement of temperature-uniforming plate, is equipped in coolant duct more
Layer partition, every interlayer respectively correspond one ultra-thin temperature-uniforming plate of installation, individual thermal control are carried out to each battery unit, if wherein
One piece of monocell is excessively high (or too low) in temperature during the work time, can be cold in the interlayer by controlling cooling pipe where it
But the flow of water carrys out the temperature of regulating cell unit, reaches optimal working condition.
6, the extremely strong temperature-uniforming plate of heat-transfer capability is applied to fuel cell heat management system by the present invention, has both been efficiently solved scattered
Heat problem, and make battery structure is compact to reduce cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the liquid-cooled module of high power fuel cell heat transfer samming.
Fig. 2 is the structural schematic diagram of fuel cell pile in Fig. 1.
Fig. 3 is the front view of Fig. 2.
Fig. 4 is the partial enlarged view of coolant duct and temperature-uniforming plate installation.
Fig. 5 is the top view of ultra-thin temperature-uniforming plate.
Fig. 6 is the explosive view of fuel cell pile.
Fig. 7 is ultra-thin temperature-uniforming plate and membrane electrode assemblies scheme of installation.
Fig. 8 is ultra-thin equalizing plate structure schematic diagram.
Fig. 9 is ultra-thin temperature-uniforming plate sectional view.
Figure 10 is coolant duct structural schematic diagram.
Figure 11 is coolant duct front view.
It is shown in figure: fuel cell pile 1, end cap 1-1, membrane electrode 1-2, cooling liquid flowing channel 2, port plate 2-1, ultra-thin
Temperature-uniforming plate 3, ultra-thin temperature-uniforming plate evaporation ends 3-1, ultra-thin temperature-uniforming plate condensation end 3-2, liquid-sucking core 3-3, air flow channel 3-4, hydrogen stream
Road 3-5, liquid case 4, circulating liquid pump 5, heating device 6 are stored.
Specific embodiment
For a better understanding of the present invention, the invention will be further described with reference to the accompanying drawing, but reality of the invention
It is without being limited thereto to apply mode.
As shown in figs 1 to 6, a kind of liquid-cooled module for high power fuel cell heat transfer samming, mainly by fuel electricity
Pond pile 1, ultra-thin temperature-uniforming plate 3, stores liquid case 4, circulating liquid pump 5 and the composition of heating device 6 at cooling liquid flowing channel 2；Heating device 6
It is mounted on the liquid feeding end of cooling liquid flowing channel 2, liquid case 4, circulating liquid pump 5, heating device 6 is stored and is successively gone here and there by cooling liquid flowing channel 2
Connection forms heat transfer samming circulation loop；Cooling liquid flowing channel 2 passes through the ultra-thin samming of multiple spaced fuel cell piles 1
The condensation end of plate 3.
As shown in Fig. 6, Fig. 7, Fig. 8, Fig. 9, fuel cell pile 1 includes end cap 1-1, membrane electrode 1-2, ultra-thin temperature-uniforming plate 3,
The preferred MEA membrane electrode of membrane electrode 1-2；The two sides of membrane electrode 1-2 are respectively equipped with ultra-thin temperature-uniforming plate 3, multiple membrane electrode 1-2 and ultra-thin
Temperature-uniforming plate 3 is arranged alternately, and outermost ultra-thin temperature-uniforming plate 3 is connect with end cap 1-1；Wherein ultra-thin temperature-uniforming plate 3 includes shell, cavity
Body, liquid-sucking core 3-3 and working medium；Cavity body is arranged in the housing, at least stretches out from one end of shell, and preferably cavity body is from shell
Both ends are stretched out；Liquid-sucking core 3-3 and working medium are equipped in cavity；The upper surface or lower surface of shell are respectively equipped with air flow channel 3-4
Or hydrogen runner 3-5；Air flow channel 3-4 or hydrogen runner 3-5 are connect with the upper surface of membrane electrode 1-2 or lower surface respectively；
Shell and cavity body portion connected to the housing constitute ultra-thin temperature-uniforming plate evaporation ends 3-1, and cavity body, which is stretched out housing parts and constituted, to be surpassed
Thin temperature-uniforming plate condensation end 3-2.The general thickness of ultra-thin temperature-uniforming plate 3 is no more than 2mm.
Working medium selects one of acetone, ethyl alcohol and deionized water or a variety of.Working medium of the present invention has good synthesis
Rationality matter；The normal working range in application is generally -20 DEG C -120 DEG C, and fusing point, boiling point and the critical point of working medium are working
It can good work in temperature range.
Shell is preferably made of red copper or copper alloy；Red copper is corrosion-resistant, and quality is relatively soft, just with process, cut out.
Liquid-sucking core 3-3 is preferably made of glass fibre, the metallic particles of sintering, silk screen or ultralight porous foam metal；Its
In ultralight porous foam metal can significantly strengthen the heat transfer property of temperature-uniforming plate, there is excellent average temperature performance, extend samming
Plate carries the ability of high heat flux density, up to 200W/cm2More than, and the thermal resistance of temperature-uniforming plate is reduced, thermal resistance minimum is reachable
0.025℃/W。
The ultra-thin temperature-uniforming plate evaporation ends 3-1 of the present invention is bipolar plates.Grazing is opened up in ultra-thin 3 both ends of the surface of temperature-uniforming plate evaporation ends
Reaction gas runner has the function of that bipolar plates separate reaction gas, water conservancy diversion, collected current, plays the role of bipolar plates.This hair
Bright ultra-thin temperature-uniforming plate is that heat is transmitted by the phase transformation of working medium, and working medium adapts to the operating temperature area of temperature-uniforming plate, and has suitably
Saturated vapor pressure；Working medium is compatible with case material, and has good thermal stability.
Circulating liquid pump 5 selects CRS25-10 type circulating liquid pump, and maximum power is up to 220W, and maximum flow is up to 80L/
Min, model circulating liquid pump low noise have the speed regulation of three gears, can adjust the flow of liquid pump according to actual needs, pile is made to begin
It keeps efficiently working normally eventually
Heating device 6 selects PTC heating or device for heating electric heating membrane；The highest temperature of PTC device or device for heating electric heating membrane
For degree not higher than 80 DEG C, fever high with heating efficiency is rapidly, voltage use scope is wide, designs conveniently, can be from small-power to big function
The advantages that rate is arbitrarily devised, and shape can also design as required, heating device rapid heating of fuel battery stack 1 reach fuel electricity
The purpose of pond cold-starting.
As shown in Fig. 7, Fig. 8, Fig. 9, grazing reaction gas is uniformly opened up in the both ends of the surface of ultra-thin temperature-uniforming plate evaporation ends 3-1
Body runner, ultra-thin temperature-uniforming plate evaporation ends 3-1 have the function of bipolar plates, are installed on the inside of pile, convenient for simplifying system knot
Structure reduces fuel cell size.
As shown in Figure 10 and Figure 11, the material selection PE of cooling liquid flowing channel 2, cooling liquid flowing channel 2 with fuel cell pile 1
Heat exchange is partially fabricated rectangular configuration, is equipped with multiple carrier ring 2-1 in rectangular configuration, each carrier ring 2-1 respectively corresponds one
Ultra-thin temperature-uniforming plate condensation end 3-2, each ultra-thin temperature-uniforming plate condensation end 3-2 are arranged in a rectangular configuration of cooling liquid flowing channel 2,
Individual thermal control, portion of the cooling liquid flowing channel 2 outside ultra-thin temperature-uniforming plate condensation end 3-2 can be carried out to each battery unit in this way
Divide preferably typical circular pipeline.PE material corrosion resistance performance is strong, long service life, has good switching performance and plastic
Property and lighter weight.
Above embodiment just for the sake of clearly demonstrating examples made by the present invention is implemented to the present invention
The restriction of mode.For those of ordinary skill in the art, not similar shape can also be made on the basis of the above description
The variation or variation of formula.There is no necessity and possibility to exhaust all the enbodiments.It is all in the spirit and principles in the present invention
Within made any modifications, equivalent replacements, and improvements etc., be all contained within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of liquid-cooled module for high power fuel cell heat transfer samming, it is characterised in that mainly by fuel cell electricity
Heap, ultra-thin temperature-uniforming plate, stores liquid case, circulating liquid pump and heating device composition at cooling liquid flowing channel；Heating device is mounted on coolant liquid
The liquid feeding end of runner；It stores liquid case, circulating liquid pump, heating device to be sequentially connected in series by cooling liquid flowing channel, forms heat transfer samming and follow
Loop back path；Cooling liquid flowing channel passes through the condensation end of the ultra-thin temperature-uniforming plate of multiple spaced fuel cell piles；
The fuel cell pile includes end cap, membrane electrode, ultra-thin temperature-uniforming plate, and the two sides of membrane electrode are respectively equipped with ultra-thin samming
Plate, multiple membrane electrodes and ultra-thin temperature-uniforming plate are arranged alternately；The ultra-thin temperature-uniforming plate includes shell, cavity body, liquid-sucking core and working medium；
Cavity body is arranged in the housing, at least stretches out shell from one end of shell, is equipped with liquid-sucking core and working medium in cavity；The upper table of shell
Face or lower surface are respectively equipped with air flow channel or hydrogen runner；Air flow channel or hydrogen runner respectively with the upper surface of membrane electrode
Or lower surface connection；Shell and cavity body portion connected to the housing constitute ultra-thin temperature-uniforming plate evaporation ends, and cavity body stretches out shell
Body portion constitutes ultra-thin temperature-uniforming plate condensation end；The general thickness of ultra-thin temperature-uniforming plate is no more than 2mm.
2. the liquid-cooled module according to claim 1 for high power fuel cell heat transfer samming, it is characterised in that: institute
The cavity body stated is stretched out from the both ends of shell.
3. the liquid-cooled module according to claim 1 for high power fuel cell heat transfer samming, it is characterised in that: set
It sets the cooling liquid flowing channel in fuel cell pile and rectangular configuration is made, multiple carrier rings are equipped in rectangular configuration, it is each ultra-thin
Temperature-uniforming plate condensation end is arranged in a rectangular configuration of cooling liquid flowing channel, and cooling liquid flowing channel is outside ultra-thin temperature-uniforming plate condensation end
Part is circular pipe.
4. the liquid-cooled module according to claim 1 for high power fuel cell heat transfer samming, it is characterised in that: institute
One of working medium selection acetone, ethyl alcohol or deionized water for stating are a variety of.
5. the liquid-cooled module according to claim 1 for high power fuel cell heat transfer samming, it is characterised in that: institute
The liquid-sucking core stated is made of glass fibre, the metallic particles of sintering, silk screen or ultralight porous foam metal.
6. the liquid-cooled module according to claim 1 for high power fuel cell heat transfer samming, it is characterised in that: institute
The shell stated is made of red copper or copper alloy.
7. the liquid-cooled module according to claim 1 for high power fuel cell heat transfer samming, it is characterised in that: institute
The circulating liquid pump stated selects CRS25-10 type circulating liquid pump.
8. the liquid-cooled module according to claim 1 for high power fuel cell heat transfer samming, it is characterised in that: institute
The heating device stated selects PTC heating or device for heating electric heating membrane.
9. the liquid-cooled module according to claim 1 for high power fuel cell heat transfer samming, it is characterised in that: institute
The material selection PE for the cooling liquid flowing channel stated.
10. the liquid-cooled module according to claim 1 for high power fuel cell heat transfer samming, it is characterised in that:
The membrane electrode selects MEA membrane electrode.
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| CN201810662690.5A CN109037731B (en) | 2018-06-25 | 2018-06-25 | Liquid-cooled module for heat transfer and temperature equalization of high-power fuel cell |
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| CN201810662690.5A CN109037731B (en) | 2018-06-25 | 2018-06-25 | Liquid-cooled module for heat transfer and temperature equalization of high-power fuel cell |
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| CN112993317A (en) * | 2019-12-16 | 2021-06-18 | 中国科学院大连化学物理研究所 | Stack heat exchange structure for high-temperature fuel cell and application thereof |
| CN113471488A (en) * | 2021-06-24 | 2021-10-01 | 金龙联合汽车工业（苏州）有限公司 | Hybrid power system and battery low-temperature starting control method thereof |
| CN114300704A (en) * | 2021-04-07 | 2022-04-08 | 清华大学 | Fuel cell with heat pipe for strengthening heat transfer |
| CN116914181A (en) * | 2023-08-28 | 2023-10-20 | 南方电网电力科技股份有限公司 | Vapor chamber and vapor chamber for thermal management of fuel cells |
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| CN109037731B (en) | 2023-11-10 |
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