CN109411789A - Roll-to-roll coating system for fuel cell membrane electrode preparation - Google Patents
Roll-to-roll coating system for fuel cell membrane electrode preparation Download PDFInfo
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- CN109411789A CN109411789A CN201710710615.7A CN201710710615A CN109411789A CN 109411789 A CN109411789 A CN 109411789A CN 201710710615 A CN201710710615 A CN 201710710615A CN 109411789 A CN109411789 A CN 109411789A
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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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
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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
- 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
Present invention discloses a kind of roll-to-roll coating systems for fuel cell membrane electrode preparation, and the system comprises water hydrogen machine power supply system, traction device, the first apparatus for coating, the second apparatus for coating, turnover devices, stripping off device, drying unit；Proton exchange film coiled material is coated under traction device effect by the first apparatus for coating, is overturn after coating by turnover device, while removing notacoria, is coated into the second apparatus for coating, is wound after being dried after coating.Roll-to-roll coating system proposed by the present invention for fuel cell membrane electrode preparation, can greatly reduce occupation area of equipment, reduce manual steps, provide material use efficiency, improve production efficiency, really realize the continuous production of fuel cell.
Description
Technical field
The invention belongs to field of fuel cell technology, are related to a kind of fuel cell membranes coating system more particularly to a kind of use
In the roll-to-roll coating system of fuel cell membrane electrode preparation.
Background technique
Fuel cell is the power generating and heating device using hydrogen or methanol etc. as raw material, has energy conversion efficiency,
The advantages that high-energy density, pollution-free zero-emission.As fossil energy is exhausted and environment is increasingly seriously polluted, clean and effective
Energy conversion device is following development trend.And existing fuel production scale is far from meeting growing fuel cell
The demand of pile.
The production of existing fuel cell membrane electrode mostly uses the mode of blade coating or silk-screen, using the advantages of which be can
To improve production efficiency, but the disadvantage is that blade coating or the coating of silk-screen preparation are very closely knit, it is unfavorable for the infiltration and expansion of reaction gas
Phenomena such as scattered and coating can be cracked causes transverse electric to transmit the problems such as resistance becomes larger and water logging occurs.
Uniformity and the hole of fuel cell membrane electrode coating are conducive to provide using slit extrusion coated or ultrasound coating
Gap rate, in such a way that membrane electrode performance prepared by which is significantly greater than with blade coating or silk-screen.Due at present using ultrasound
The mode of spraying is all complex, mostly uses preparatory be cut into after block material reuses fixture fixation to be coated, is more common in reality
Test the small lot preparation of room；Or be coated using vacuum suction conveyer belt, it can not accomplish roll-to-roll serialization coating.?
Rarely have report of the slit extrusion coated for fuel cell preparation.
Existing fuel cell manufacture line is unable to satisfy fuel cell and shows the production requirement of optimum performance and without regulation
Modelling volume production.For these problems, nowadays there is an urgent need to design a kind of new nozzle system, to overcome existing for existing system
Drawbacks described above.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of roll-to-roll coating for fuel cell membrane electrode preparation
System can greatly reduce occupation area of equipment, reduce manual steps, provide material use efficiency, improve production efficiency, very
The positive continuous production for realizing fuel cell.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of roll-to-roll coating system for fuel cell membrane electrode preparation, the coating system include: the power generation of water hydrogen
Machine power supply system, traction device, the first apparatus for coating, the second apparatus for coating, turnover device, stripping off device, drying unit；
Using slit extrusion coated or ultrasonic spraying method, first is applied for first apparatus for coating and the second apparatus for coating
Cloth apparatus or the second apparatus for coating can use two kinds of coating methods simultaneously；
Proton exchange film coiled material is coated under traction device effect by the first apparatus for coating, by overturning after coating
Device overturning, while notacoria is removed, it is coated into the second apparatus for coating, is wound after being dried after coating；
First apparatus for coating, the second apparatus for coating use roll-to-roll coating method, carry out blowing unreeling roller end,
It is wound after being coated with two sides using winding roller end；
The traction device includes let off roll, wind-up roll, and proton exchange membrane is being drawn unreeling roller end blowing, proton exchange membrane
Under power effect after the first apparatus for coating, turnover device, the second apparatus for coating, stripping off device, drying unit, pass through wind-up roll
It collects；
The proton exchange membrane of web-like is placed on let off roll, is pulled into the first apparatus for coating and is coated, has been coated with
After enter in drying unit and toasted, remove notacoria through notacoria stripping off device, proton exchange membrane is turned over through turnover device
Turn to enter the second apparatus for coating coating proton exchange back of the membrane；It is received after being coated with proton exchange back of the membrane in wind-up roll
Volume；
First apparatus for coating, the second apparatus for coating respectively include at least two sets of coating systems, coating system and pass through machine
Tool arm is mobile, and two sets of coating systems are respectively combined by induction system, and induction system is by laser, laser detector, measurement
Circuit composition starts apparatus for coating when detected to proton exchange membrane moves to ultrasound coating lower section；
In such a way that two covering devices stack, front is coated on upper layer painting for first apparatus for coating, the second apparatus for coating
Cloth apparatus carries out, and carries out overturning after be coated with and enters back into lower layer's apparatus for coating and be coated reverse side；Alternatively, first coating
In such a way that two covering devices stack, front is coated on the progress of lower layer's apparatus for coating for device, the second apparatus for coating, has been coated with laggard
Row overturning, which is entered back into upper layer apparatus for coating, is coated reverse side；
The turnover device by reversely rotate roll shaft overturn proton exchange membrane, reversely rotate axle rotary speed with
Let off roll, wind-up roll are coordinated；It reversely rotates roll shaft and uses polytetrafluoroethylene (PTFE) material；
The stripping off device and turnover device are combined, removing proton exchange membrane back while executing proton exchange membrane overturning
Film, stripping off device have contained stripping device, clamper, rotary shaft；The notacoria being stripped is opposite with the proton exchange membrane direction of motion；
The drying unit uses Electric heating, electric hot plate and electric heating air blower including being set to bottom, using connecing
The mode that the heating of touch electric hot plate and electric heating forced air drying are used cooperatively dries proton exchange membrane coating；Gas is used simultaneously
The exhaust gas of the coating equipment system is carried out circulation replacement by body circulation device in time；Electric heating air blower is set in drying pipeline；
The notacoria wind twines the notacoria of removing using the direction of rotation identical or opposite with stripping off device
Around recycling；The rotatable roll shaft revolution diameter of the notacoria wind and the roll shaft revolution diameter of stripping off device are identical；
The water hydrogen generator powered system is separately connected traction device, the first apparatus for coating, the second apparatus for coating, overturning
Device, stripping off device, drying unit provide electric energy for it；
The water hydrogen generator powered system includes methanol-water reforming hydrogen production device, hydrogen fuel cell, DC/DC power supply mould
Block, methanol-water reforming hydrogen production device, hydrogen fuel cell, DC/DC power module are sequentially connected；The connection of methanol-water reforming hydrogen production device
Methanol-water storage container, methanol-water reforming hydrogen production device are equipped with liquid pump, and liquid pump is by the methanol-water in methanol-water storage container
Feedstock transportation is to methanol-water reforming hydrogen production device；Methanol-water reforming hydrogen production device is reformed using methanol-water raw material and hydrogen is made, will
Hydrogen obtained is delivered to hydrogen fuel cell；Hydrogen fuel cell is equipped with air pump, and oxygen-containing gas is pumped into hydrogen fuel cell by air pump；Hydrogen
Fuel cell occurs redox reaction using hydrogen and oxygen and issues direct current, and generates water；Hydrogen fuel cell issues straight
Galvanic electricity exports after being handled by DC/DC power module；
The methanol-water reforming hydrogen production device is equipped with the first high-temperature tail gas discharge pipe, the second high-temperature tail gas discharge pipe,
First high-temperature tail gas discharge pipe, the second high-temperature tail gas discharge pipe are used to discharge the high temperature of methanol-water reforming hydrogen production device release
Tail gas；First high-temperature tail gas discharge pipe, the second high-temperature tail gas discharge pipe are respectively equipped with the first solenoid valve, second solenoid valve；
High-temperature tail gas is directly discharged to atmosphere by the second high-temperature tail gas discharge pipe；
The drying unit further includes high-temperature tail gas auxiliary heating mechanism, and high-temperature tail gas assists heating mechanism connection first high
Warm exhaust emissions pipeline assists proton exchange membrane coating using the high-temperature tail gas that the first high-temperature tail gas discharge pipe discharges
Drying；High-temperature tail gas auxiliary heating mechanism includes high-temperature tail gas transfer pipeline, and high-temperature tail gas transfer pipeline connects the drying tube
Road.
A kind of roll-to-roll coating system for fuel cell membrane electrode preparation, the system comprises: traction device, first
Apparatus for coating, the second apparatus for coating, turnover device, stripping off device, drying unit；
Proton exchange film coiled material is coated under traction device effect by the first apparatus for coating, by overturning after coating
Device overturning, while notacoria is removed, it is coated into the second apparatus for coating, is wound after being dried after coating.
As a preferred solution of the present invention, the apparatus for coating uses roll-to-roll coating method, is unreeling roller end
Blowing is carried out, is wound after being coated with two sides using winding roller end；
The traction device includes let off roll, wind-up roll, and proton exchange membrane is being drawn unreeling roller end blowing, proton exchange membrane
Under power effect after apparatus for coating, turnover device, stripping off device, drying unit etc., collected by wind-up roll.
As a preferred solution of the present invention, the proton exchange membrane of web-like is placed on let off roll, through being pulled into painting
Cloth apparatus is coated, and is entered in drying unit and is toasted after being coated with, and removes notacoria through notacoria stripping off device, proton is handed over
Change film through turnover device carry out overturning enter apparatus for coating coating proton exchange back of the membrane.After being coated with proton exchange back of the membrane
It is wound in wind-up roll.
As a preferred solution of the present invention, first apparatus for coating, the second apparatus for coating include at least two sets of paintings
Distribution system, coating system is mobile by mechanical arm, and two sets of coating systems are combined by induction system.
As a preferred solution of the present invention, first apparatus for coating, the second apparatus for coating quantity be multiplied with
It further increases coating efficiency and improves the uniformity of coating and meet thickness requirement, or different each coatings carry out layered coatings
Different slurries.
As a preferred solution of the present invention, first apparatus for coating, the second apparatus for coating are folded using two covering devices
The mode put, front are coated on the progress of upper layer apparatus for coating, and overturning is carried out after being coated with and enters back into the progress of lower layer's apparatus for coating
It is coated with reverse side；
Alternatively, first apparatus for coating, the second apparatus for coating are in such a way that two covering devices stack, front is coated on down
Layer apparatus for coating carries out, and carries out overturning to enter back into upper layer apparatus for coating after being coated with being coated reverse side.
As a preferred solution of the present invention, the turnover device carries out proton exchange membrane by reversely rotating roll shaft
Overturning, reversely rotates axle rotary speed and let off roll, wind-up roll are coordinated；It reversely rotates roll shaft and uses polytetrafluoroethylene (PTFE) material；
The stripping off device and turnover device are combined, removing proton exchange membrane back while executing proton exchange membrane overturning
Film, stripping off device have contained stripping device, clamper, rotary shaft；The notacoria being stripped is opposite with the proton exchange membrane direction of motion.
As a preferred solution of the present invention, the drying unit use Electric heating, using electric hot plate heating and
The mode that forced air drying is used cooperatively dries proton exchange membrane coating；The painting is laid using gas-recycling plant simultaneously
The exhaust gas of standby system carries out circulation replacement in time.
As a preferred solution of the present invention, the notacoria wind uses the rotation identical or opposite with stripping off device
Turn direction and recycling is wound to the notacoria of removing；The rotatable roll shaft revolution diameter of the notacoria wind and the roller of stripping off device
Axis revolution diameter is identical.
The beneficial effects of the present invention are: the roll-to-roll coating system proposed by the present invention for fuel cell membrane electrode preparation
System can effectively reduce the preparation efficiency for improving fuel cell membrane electrode and improve the performance of fuel cell membrane electrode, and can contract
Subtract the occupied area of existing coating line.Roll-to-roll coated options are used simultaneously, compared to the scheme using blocky coating, pole
Reduce artificial operation difficulty greatly, be conducive to the progress of subsequent handling, becoming for realization large-scale fuel cell manufacture can
Energy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the roll-to-roll coating system of the present invention.
Fig. 2 is the structural schematic diagram of the roll-to-roll coating system of the present invention in embodiment two.
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment one
Referring to Fig. 1, the coating system includes traction dress present invention discloses a kind of fuel cell membrane electrode coating system
It sets, two sets of coating systems, turnover device, stripping off device, drying unit etc..
According to an example embodiment, proton exchange film coiled material is applied under traction device effect by apparatus for coating
Cloth overturns by twist rollers after coating while removing notacoria, is coated into the second apparatus for coating, after obtaining drying after coating
It is wound.
The device uses roll-to-roll coating method, carries out blowing unreeling roller end, has been coated with behind two sides using winding
Roller end is wound.
Traction device includes let off roll 1, wind-up roll 2, and proton exchange membrane is unreeling roller end blowing, and proton exchange membrane is in pulling force
Under effect after apparatus for coating, turnover device, stripping off device, drying unit etc., collected by wind-up roll.
Apparatus for coating 3 and 4 includes two sets of coating systems, and coating system can be mobile by mechanical arm, two sets of coating systems
It is combined by induction system, is passed through when entering 4 lower section of apparatus for coating after the completion of the coated coating of device 3 of proton exchange membrane
When detected reaches designated position to proton exchange membrane, starts starting apparatus for coating and be coated.
The quantity of apparatus for coating 3 and 4 can further increase coating efficiency according to requiring to be multiplied and improve coating
Uniformity and meet thickness requirement, or different each coatings carry out layered coatings difference slurry.
The mode that two covering devices stack can be used in above-mentioned apparatus for coating 3 and 4, can front be coated on upper layer apparatus for coating
It carries out, carries out overturning after be coated with and enter back into lower layer's apparatus for coating and be coated reverse side.
The mode that two covering devices stack can be used in above-mentioned apparatus for coating 3 and 4, can front be coated on lower layer's apparatus for coating
It carries out, carries out overturning to enter back into upper layer apparatus for coating after being coated with being coated reverse side.
Turnover device 8 overturns proton exchange membrane by reversely rotating roll shaft, reversely rotates axle rotary speed and puts
Winding up roller, wind-up roll are coordinated.Roll shaft is reversely rotated using materials such as polytetrafluoroethylene (PTFE).
Stripping off device 5 and turnover device 8 are combined, and remove proton exchange membrane notacoria while executing proton exchange membrane overturning,
Stripping off device has contained stripping device, clamper, rotary shaft.The notacoria being stripped is opposite with the proton exchange membrane direction of motion.
Drying unit 7 uses Electric heating, to proton in such a way that electric hot plate heating and forced air drying are used cooperatively
Exchange membrane coat is dried.The exhaust gas of the coating equipment system is carried out to circulation in time using gas-recycling plant simultaneously to replace
It changes.
Notacoria wind 6 is wound the notacoria of removing using the direction of rotation identical or opposite with stripping off device 5
Recycling.The rotatable roll shaft revolution diameter of the device 6 and the roll shaft revolution diameter of stripping off device 5 are identical.
The apparatus for coating effectively reduces the preparation efficiency for improving fuel cell membrane electrode and improves fuel cell membrane electrode
Performance, and the occupied area of existing coating line can be reduced.Roll-to-roll coated options are used simultaneously, compared to using blocky
The scheme of coating greatly reduces artificial operation difficulty, is conducive to the progress of subsequent handling, to realize large-scale fuel electricity
Pond production is possibly realized.
As shown in Figure 1, the proton exchange membrane of web-like is placed on let off roll 2, it is pulled into apparatus for coating 4 and is applied
Cloth is entered in drying unit 7 after being coated with and is toasted, and removes notacoria through notacoria stripping off device 5, proton exchange membrane is through overturning
Device 8 carries out overturning and enters the coating proton exchange back of the membrane of apparatus for coating 3.It has been coated with after proton exchange back of the membrane in wind-up roll
1 is wound.
Embodiment two
Referring to Fig. 2, the difference between this embodiment and the first embodiment lies in, in the present embodiment, the coating system further includes
Water hydrogen generator powered system；The water hydrogen generator powered system is separately connected traction device, the first apparatus for coating, the second painting
Cloth apparatus, turnover device, stripping off device, drying unit provide electric energy for it.
The water hydrogen generator powered system includes methanol-water reforming hydrogen production device 31, hydrogen fuel cell 32, DC/DC power supply
Module (not shown), methanol-water reforming hydrogen production device 31, hydrogen fuel cell 32, DC/DC power module are sequentially connected.Methanol-water weight
Whole device for producing hydrogen 31 connects methanol-water storage container 40, and methanol-water reforming hydrogen production device 31 is equipped with liquid pump 34, and liquid pump 34 will
Methanol-water feedstock transportation in methanol-water storage container 40 is to methanol-water reforming hydrogen production device 31；Methanol-water reforming hydrogen production device 31
It is reformed using methanol-water raw material and hydrogen is made, hydrogen obtained is delivered to hydrogen fuel cell 32；Hydrogen fuel cell 32 is equipped with gas
Pump 33, oxygen-containing gas is pumped into hydrogen fuel cell 32 by air pump 33；Using hydrogen and oxygen redox occurs for hydrogen fuel cell 32
Reaction issues direct current, and generates water；The direct current that hydrogen fuel cell 32 issues exports after being handled by DC/DC power module.
The basic composition of water hydrogen machine is that those skilled in the art can realize substantially according to the related patents of the applicant
(such as four authorization patents: Chinese patent CN201210339912.2, a kind of system and side preparing hydrogen using methanol-water
Method；Chinese patent CN201310578035.9, instant preparing hydrogen, generating power system and method；Chinese patent CN201310520538.0,
A kind of instant preparing hydrogen, generating power system and method；Chinese patent CN201410621689.X, the reformer of Methanol water hydrogen production system, first
Alcohol water hydrogen generating system and hydrogen production process), it is not described herein.
In addition, in order to blow moulding machine can smooth working, while water hydrogen machine being avoided to be constantly in working condition, the connection of water hydrogen machine
One battery 20 (can be lithium battery), before water hydrogen machine 30 starts steady operation (or user demand electricity consumption very little, it is not necessarily to water
When hydrogen machine 30 starts) it powers for the need electricity part of blow moulding machine, when water hydrogen machine 30, which exists, has more than needed electricity, charge for battery.Raw material
Liquid level sensor can be set in storage container 40, for incuding the raw material surplus in raw material storage container 40, sets when surplus is lower than
Capable of emitting alarm when definite value.
The methanol-water reforming hydrogen production device 31 is equipped with the first high-temperature tail gas discharge pipe 311, the second high-temperature tail gas discharges
Pipeline 312, the first high-temperature tail gas discharge pipe 311, the second high-temperature tail gas discharge pipe 312 are used to discharge methanol-water reformation hydrogen production
The high-temperature tail gas that device 31 discharges；First high-temperature tail gas discharge pipe 311, the second high-temperature tail gas discharge pipe 312 are respectively equipped with
First solenoid valve 313, second solenoid valve 314；High-temperature tail gas is directly discharged to atmosphere by the second high-temperature tail gas discharge pipe 312.
The drying unit 7 further includes high-temperature tail gas auxiliary heating mechanism, and high-temperature tail gas assists heating mechanism connection first
High-temperature tail gas discharge pipe 311, using the high-temperature tail gas of the first high-temperature tail gas discharge pipe 311 discharge to proton exchange membrane coating
Carry out auxiliary drying；High-temperature tail gas auxiliary heating mechanism includes high-temperature tail gas transfer pipeline, and high-temperature tail gas transfer pipeline connects institute
State drying pipeline；It is of course also possible to be to be not directly connected, and it is thermally conductive (or to drying pipeline will be entered by metal tubes
Air-flow is preheated), it can use high-temperature tail gas drying, reduce energy consumption.
In conclusion the roll-to-roll coating system proposed by the present invention for fuel cell membrane electrode preparation, can effectively subtract
The small preparation efficiency for improving fuel cell membrane electrode and the performance for improving fuel cell membrane electrode, and existing painting overgrowth can be reduced
The occupied area of producing line.Roll-to-roll coated options are used simultaneously, compared to the scheme using blocky coating, are greatly reduced artificial
Operation difficulty, be conducive to the progress of subsequent handling, for realize large-scale fuel cell manufacture be possibly realized.
Description and application of the invention herein are illustrative, is not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein are possible, the realities for those skilled in the art
The replacement and equivalent various parts for applying example are well known.It should be appreciated by the person skilled in the art that not departing from the present invention
Spirit or essential characteristics in the case where, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and component are realized.Without departing from the scope and spirit of the present invention, can to embodiments disclosed herein into
The other deformations of row and change.
Claims (10)
1. a kind of roll-to-roll coating system for fuel cell membrane electrode preparation, which is characterized in that the coating system includes:
Water hydrogen generator powered system, traction device, the first apparatus for coating (4), the second apparatus for coating (3), turnover device, removing dress
It sets, drying unit；
First apparatus for coating (4) and the second apparatus for coating (3) are using slit extrusion coated or ultrasonic spraying method, and first
Apparatus for coating or the second apparatus for coating can use two kinds of coating methods simultaneously；
Proton exchange film coiled material is coated under traction device effect by the first apparatus for coating, by turnover device after coating
Overturning, while notacoria is removed, it is coated into the second apparatus for coating, is wound after being dried after coating；
First apparatus for coating (4), the second apparatus for coating (3) use roll-to-roll coating method, are put unreeling roller end
Material is wound after being coated with two sides using winding roller end；
The traction device includes let off roll (1), wind-up roll (2), and proton exchange membrane holds blowing, proton exchange in let off roll (1)
Film passes through the first apparatus for coating (4), turnover device, the second apparatus for coating (3), stripping off device, drying unit under a stretching force
Afterwards, it is collected by wind-up roll (2)；
The proton exchange membrane of web-like is placed on let off roll (2), is pulled into the first apparatus for coating (4) and is coated, coating
It enters in drying unit (7) and is toasted after complete, remove notacoria through notacoria stripping off device (5), proton exchange membrane is filled through overturning
Set (8) carry out overturning enter the second apparatus for coating (3) coating proton exchange back of the membrane；It has been coated with after proton exchange back of the membrane
Wind-up roll (1) is wound；
First apparatus for coating, the second apparatus for coating respectively include at least two sets of coating systems, coating system and pass through mechanical arm
Mobile, two sets of coating systems are respectively combined by induction system, and induction system is by laser, laser detector, measuring circuit
Composition starts apparatus for coating when detected to proton exchange membrane moves to ultrasound coating lower section；
In such a way that two covering devices stack, front is coated on upper layer painting and arranges for first apparatus for coating, the second apparatus for coating
Progress is set, overturning is carried out after being coated with and enters back into lower layer's apparatus for coating and is coated reverse side；Alternatively, first painting arranges
Set, the second apparatus for coating is in such a way that two covering devices stack, front be coated on lower layer's apparatus for coating progress, be coated with after carry out
Overturning, which is entered back into upper layer apparatus for coating, is coated reverse side；
The turnover device (8) by reversely rotate roll shaft overturn proton exchange membrane, reversely rotate axle rotary speed with
Let off roll, wind-up roll are coordinated；It reversely rotates roll shaft and uses polytetrafluoroethylene (PTFE) material；
The stripping off device (5) and turnover device (8) are combined, removing proton exchange membrane back while executing proton exchange membrane overturning
Film, stripping off device have contained stripping device, clamper, rotary shaft；The notacoria being stripped is opposite with the proton exchange membrane direction of motion；
The drying unit (7) uses Electric heating, electric hot plate and electric heating air blower including being set to bottom, using contact
The mode that the heating of formula electric hot plate and electric heating forced air drying are used cooperatively dries proton exchange membrane coating；Gas is used simultaneously
The exhaust gas of the coating equipment system is carried out circulation replacement by circulator in time；Electric heating air blower is set in drying pipeline；
The notacoria wind (6) is carried out using notacoria of the direction of rotation identical or opposite with stripping off device (5) to removing
Winding recycling；The rotatable roll shaft revolution diameter of the notacoria wind (6) is identical as the roll shaft revolution diameter of stripping off device (5)；
The water hydrogen generator powered system is separately connected traction device, the first apparatus for coating (4), the second apparatus for coating (3), turns over
Rotary device, stripping off device, drying unit provide electric energy for it；
The water hydrogen generator powered system includes methanol-water reforming hydrogen production device, hydrogen fuel cell, DC/DC power module, first
Alcohol water reforming hydrogen production device, hydrogen fuel cell, DC/DC power module are sequentially connected；Methanol-water reforming hydrogen production device connects methanol
Water storage container, methanol-water reforming hydrogen production device are equipped with liquid pump, and liquid pump is by the methanol-water raw material in methanol-water storage container
It is delivered to methanol-water reforming hydrogen production device；Methanol-water reforming hydrogen production device is reformed using methanol-water raw material and hydrogen is made, and will be made
Hydrogen be delivered to hydrogen fuel cell；Hydrogen fuel cell is equipped with air pump, and oxygen-containing gas is pumped into hydrogen fuel cell by air pump；Hydrogen fuel
Battery occurs redox reaction using hydrogen and oxygen and issues direct current, and generates water；The direct current that hydrogen fuel cell issues
It is exported after being handled by DC/DC power module；
The methanol-water reforming hydrogen production device be equipped with the first high-temperature tail gas discharge pipe, the second high-temperature tail gas discharge pipe, first
High-temperature tail gas discharge pipe, the second high-temperature tail gas discharge pipe are used to discharge the high temperature tail of methanol-water reforming hydrogen production device release
Gas；First high-temperature tail gas discharge pipe, the second high-temperature tail gas discharge pipe are respectively equipped with the first solenoid valve, second solenoid valve；The
High-temperature tail gas is directly discharged to atmosphere by two high-temperature tail gas discharge pipes；
The drying unit further includes high-temperature tail gas auxiliary heating mechanism, and high-temperature tail gas assists heating mechanism to connect the first high temperature tail
Gas discharge pipe carries out auxiliary baking to proton exchange membrane coating using the high-temperature tail gas that the first high-temperature tail gas discharge pipe discharges
It is dry；High-temperature tail gas auxiliary heating mechanism includes high-temperature tail gas transfer pipeline, and high-temperature tail gas transfer pipeline connects the drying pipeline.
2. a kind of roll-to-roll coating system for fuel cell membrane electrode preparation, which is characterized in that the system comprises: traction
Device, the first apparatus for coating, the second apparatus for coating, turnover device, stripping off device, drying unit；
Proton exchange film coiled material is coated under traction device effect by the first apparatus for coating, by turnover device after coating
Overturning, while notacoria is removed, it is coated into the second apparatus for coating, is wound after being dried after coating.
3. the roll-to-roll coating system according to claim 2 for fuel cell membrane electrode preparation, it is characterised in that:
The apparatus for coating uses roll-to-roll coating method, carries out blowing unreeling roller end, has been coated with behind two sides using receipts
Winding up roller end is wound；
The traction device includes let off roll (1), wind-up roll (2), and proton exchange membrane exists unreeling roller end blowing, proton exchange membrane
Under pulling force effect after apparatus for coating, turnover device, stripping off device, drying unit etc., collected by wind-up roll.
4. the roll-to-roll coating system according to claim 2 for fuel cell membrane electrode preparation, it is characterised in that:
The proton exchange membrane of web-like is placed on let off roll (2), is pulled into apparatus for coating (4) and is coated, after being coated with
It enters in drying unit (7) and is toasted, remove notacoria through notacoria stripping off device (5), proton exchange membrane is through turnover device (8)
It carries out overturning and enters apparatus for coating (3) coating proton exchange back of the membrane.It has been coated with after proton exchange back of the membrane in wind-up roll (1)
It is wound.
5. the roll-to-roll coating system according to claim 2 for fuel cell membrane electrode preparation, it is characterised in that:
First apparatus for coating, the second apparatus for coating include at least two sets of coating systems, and coating system is mobile by mechanical arm,
Two sets of coating systems are combined by induction system；Apparatus for coating is using in slit extrusion coated or ultrasonic spraying method
It is one or two kinds of.
6. the roll-to-roll coating system according to claim 5 for fuel cell membrane electrode preparation, it is characterised in that:
First apparatus for coating, the second apparatus for coating quantity are multiplied to further increase coating efficiency and improve coating
Uniformity and meet thickness requirement, or different each coatings carry out layered coatings difference slurry.
7. the roll-to-roll coating system according to claim 2 for fuel cell membrane electrode preparation, it is characterised in that:
In such a way that two covering devices stack, front is coated on upper layer painting and arranges for first apparatus for coating, the second apparatus for coating
Progress is set, overturning is carried out after being coated with and enters back into lower layer's apparatus for coating and is coated reverse side；
Alternatively, first apparatus for coating, the second apparatus for coating, in such a way that two covering devices stack, front is coated on lower layer's painting
Cloth apparatus carries out, and carries out overturning to enter back into upper layer apparatus for coating after being coated with being coated reverse side.
8. the roll-to-roll coating system according to claim 2 for fuel cell membrane electrode preparation, it is characterised in that:
The turnover device (8) by reversely rotate roll shaft overturn proton exchange membrane, reversely rotate axle rotary speed with
Let off roll, wind-up roll are coordinated；It reversely rotates roll shaft and uses polytetrafluoroethylene (PTFE) material；
The stripping off device (5) and turnover device (8) are combined, removing proton exchange membrane back while executing proton exchange membrane overturning
Film, stripping off device (5) have contained stripping device, clamper, rotary shaft；The notacoria being stripped is opposite with the proton exchange membrane direction of motion.
9. the roll-to-roll coating system according to claim 2 for fuel cell membrane electrode preparation, it is characterised in that:
The drying unit (7) uses Electric heating, confronts in such a way that electric hot plate heating and forced air drying are used cooperatively
Proton exchange coating is dried；The exhaust gas of the coating equipment system is carried out to circulation in time using gas-recycling plant simultaneously to replace
It changes.
10. the roll-to-roll coating system according to claim 2 for fuel cell membrane electrode preparation, it is characterised in that:
The notacoria wind (6) is carried out using notacoria of the direction of rotation identical or opposite with stripping off device (5) to removing
Winding recycling；The rotatable roll shaft revolution diameter of the notacoria wind (6) is identical as the roll shaft revolution diameter of stripping off device (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710710615.7A CN109411789A (en) | 2017-08-18 | 2017-08-18 | Roll-to-roll coating system for fuel cell membrane electrode preparation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710710615.7A CN109411789A (en) | 2017-08-18 | 2017-08-18 | Roll-to-roll coating system for fuel cell membrane electrode preparation |
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| CN201710710615.7A Pending CN109411789A (en) | 2017-08-18 | 2017-08-18 | Roll-to-roll coating system for fuel cell membrane electrode preparation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110237995A (en) * | 2019-06-19 | 2019-09-17 | 京东方科技集团股份有限公司 | A kind of device and method preparing electrode |
| CN110265673A (en) * | 2019-07-12 | 2019-09-20 | 深圳市信宇人科技股份有限公司 | The absorption coating apparatus of hydrogen fuel cell CCM membrane electrode |
| CN111082110A (en) * | 2019-12-27 | 2020-04-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Method and equipment for manufacturing membrane electrode of fuel cell |
| CN113441340A (en) * | 2021-06-29 | 2021-09-28 | 辽宁分子流科技有限公司 | Roll-to-roll equipment for preparing nano silver wire electrode film |
| CN114204045A (en) * | 2021-10-26 | 2022-03-18 | 东风汽车集团股份有限公司 | Preparation equipment and system of fuel cell membrane electrode |
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2017
- 2017-08-18 CN CN201710710615.7A patent/CN109411789A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110237995A (en) * | 2019-06-19 | 2019-09-17 | 京东方科技集团股份有限公司 | A kind of device and method preparing electrode |
| CN110265673A (en) * | 2019-07-12 | 2019-09-20 | 深圳市信宇人科技股份有限公司 | The absorption coating apparatus of hydrogen fuel cell CCM membrane electrode |
| CN111082110A (en) * | 2019-12-27 | 2020-04-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Method and equipment for manufacturing membrane electrode of fuel cell |
| CN113441340A (en) * | 2021-06-29 | 2021-09-28 | 辽宁分子流科技有限公司 | Roll-to-roll equipment for preparing nano silver wire electrode film |
| CN114204045A (en) * | 2021-10-26 | 2022-03-18 | 东风汽车集团股份有限公司 | Preparation equipment and system of fuel cell membrane electrode |
| CN114204045B (en) * | 2021-10-26 | 2023-08-22 | 东风汽车集团股份有限公司 | Preparation equipment and system of fuel cell membrane electrode |
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