CN109904466A - A kind of hot press forming technology for fuel cell membrane electrode production - Google Patents
A kind of hot press forming technology for fuel cell membrane electrode production Download PDFInfo
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- CN109904466A CN109904466A CN201910055025.4A CN201910055025A CN109904466A CN 109904466 A CN109904466 A CN 109904466A CN 201910055025 A CN201910055025 A CN 201910055025A CN 109904466 A CN109904466 A CN 109904466A
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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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Abstract
The invention discloses a kind of hot press forming technology for fuel cell membrane electrode production, pretreatment, hot-pressing processing and the air-cooled veritification processing of laying, proton exchange membrane including outer framework；The industrial filter paper of preset requirement laying will be pressed in the present invention, the outer framework of polytetrafluoroethylene film and sheet metal composition, with the carbon paper for pressing preset requirement laying, the primary membrane contact electrode of proton exchange membrane and polyester frame composition, and such laying and the way of contact, it can be effectively prevented under high temperature environment, there is the case where sheet metal stick to each other in the polyester frame and outer framework in sizing material or primary membrane electrode, and protective action is played to it while guaranteeing product flatness, and it is first operated again through sulfidization molding through the molding of pre- sulphur, and under hot press operation twice, it can be effectively prevented from during one-pass molding, bubble is generated because pressure is uneven or pressure is excessive, the defects of raised, greatly improve hot pressing quality.
Description
Technical field
The present invention relates to membrane electrode technical field, specially a kind of hot-forming work for fuel cell membrane electrode production
Skill.
Background technique
Fuel cell is that the free energy part in fuel chemical energy is converted into electric energy by electrochemical reaction, not by Kano
The limitation of cyclical effect, therefore working efficiency is high, and fuel cell is passed using fuel and oxygen as raw material, no machinery occurs
Dynamic component, therefore without the discharge of noise pollution and pernicious gas.Thus from energy saving and from the perspective of preserving the ecological environment,
Fuel cell is the generation technology of most development prospect, and the hot press forming technology for fuel cell membrane electrode production, is to determine
One of an important factor for fixed output quota quality.
In the existing hot press forming technology for fuel cell membrane electrode production, there are hot pressing is of poor quality and hot pressing precision
Low problem.Wherein existing hot press operation is mostly one-pass molding, situations such as pressure is uneven or pressure is excessive easily occurs, and glue
Expect in the curing process, the case where easily sticking together；And it cannot be guaranteed to hot press parts while picking and placing convenient, Bu Hui
The case where shifting in hot pressing.
In view of the above problems, now providing the solution.
Summary of the invention
The purpose of the present invention is to provide a kind of hot press forming technology for fuel cell membrane electrode production, institutes of the present invention
Technical problems to be solved are as follows:
(1) a kind of effective mode how is provided, to solve that pressure is uneven or pressure is excessive and the feelings such as the easy adhesion of sizing material
Condition, to improve hot pressing quality；
(2) how come guarantee to hot press parts pick and place it is convenient while, avoid the case where shifting in hot pressing,
To improve hot pressing precision.
The purpose of the present invention can be achieved through the following technical solutions: a kind of hot pressing for fuel cell membrane electrode production
Moulding process, pretreatment, hot-pressing processing and the air-cooled veritification processing of laying, proton exchange membrane including outer framework, concrete operations
Steps are as follows:
Step 1: the laying of outer framework first takes dry, clean sheet metal to be placed on station, then successively filters industry
Paper and polytetrafluoroethylene film are laid in the center of sheet metal, and to obtain outer framework, and the laying quantity of outer framework is two；
Step 2: the pretreatment of proton exchange membrane first takes two carbon papers to be laid in the two sides of proton exchange membrane respectively, then
Two polyester frames are fitted with the outer surface of carbon paper, to obtain primary membrane electrode, and are placed on station stand-by；
Step 3: the sheet metal face of an outer framework obtained in step 1 is first placed in special hot pressing by hot-pressing processing
In equipment, then primary membrane electrode obtained in step 2 is placed in the tetrafluoro film surface in the outer framework, uses step 1 again later
Obtained in another outer framework polytetrafluoroethylene film cover on primary membrane electrode, and after hot press operation twice, to be formed
Membrane electrode, and hot press operation is respectively pre- sulphur molding and sulfidization molding twice, and the pressure in the molding of pre- sulphur is maintained at 0.4-
0.6MPa, time are maintained at 50-70 seconds, and the pressure in sulfidization molding is maintained at 1.4-1.6Mpa, and the time is maintained at 120-180
Second, and temperature is controlled always in 100-150 degree, and industrial filter paper and polytetrafluoroethylene film are successively laid in the center of sheet metal, this
Kind laying mode, which can be effectively prevented under hot environment, there is the case where polyester frame and sheet metal adhesion, and then is guaranteeing product
Protective action is played while flatness to it, and is first operated again through sulfidization molding through the molding of pre- sulphur, can be effectively prevented from because of one
Secondary briquetting pressure is uneven or pressure is excessive and the defects of generate bubble, production has been ensured while greatly improving hot pressing quality
Efficiency；
Step 4: molding membrane electrode obtained in step 3 is first placed in air-cooled case, and through 50- by air-cooled veritification processing
After air-cooled operation in 70 seconds, then by its stamp, detection, and it is placed in dry dustless normal temperature environment and stores.
Wherein, the special hot pressing equipment in the step 3 by support frame, seal case, glue feeding tube, chamber door, storage tank,
Electric pushrod, buffering marble, first sliding groove, lower platen, top board, upper mounted plate, electric heating sheets, positive stop strip, movable plate, cunning
Block, bottom plate, sleeve, ball, second sliding slot, the first card hole, the second card hole, boss type fixture block, motion bar, stretches column
Spring and pull ring composition, the bottom of the seal case is passed through by being welded with support frame, the side of the seal case
Buckle is connected with storage tank, and the bottom of the storage tank is provided with glue feeding tube, and one end of glue feeding tube is led glue with outside and set
Standby connection, the side of the seal case are connected with chamber door by articulate, the inside of the seal case from top to bottom according to
It is secondary to be bolted upper mounted plate and bottom plate, and upper mounted plate and bottom plate be it is horizontal positioned, it is described solid
The bottom center of fixed board has been bolted top board, and the bottom center of the bottom plate is fixed with electricity by screw
Dynamic push rod, one end of the electric pushrod passes through bottom plate and is connected with movable plate, between fixed plate and bottom plate
Correspondence is equipped with column, and two columns both pass through movable plate, and the movable plate connects with column, electric pushrod and bottom plate
Synapsis is coated with epoxy resin lubricant coating, described convenient for reducing the resistance that movable plate and electric pushrod are subject to during exercise
Movable plate has been uniformly embedded into buffering marble close to the side of bottom plate, and the movable plate is opened far from the side correspondence of bottom plate
Equipped with first sliding groove, the inside of the first sliding groove is equipped with sliding block, and lower platen, the pushing are connected between two sliding blocks
Plate is fit structure with top board and is correspondingly arranged that the adjacent side inner wall of the lower platen and top board is evenly distributed with electricity and adds
The adjacent side of backing, the lower platen and top board is uniformly distributed positive stop strip, the positive stop strip on the lower platen and top board
Be six and be correspondingly arranged, and six positive stop strips are one group and constitute hot pressing area, convenient for operator will be put to hot press parts to
Specified region, and the phenomenon that shifts in hot pressing is prevented, hot pressing precision is substantially increased, the movable plate is far from lower fixation
Second sliding slot is offered at the side center of plate, the bottom interior wall of the second sliding slot successively offers the first card hole from inner outward
With the second card hole, first card hole and the second card hole and boss type fixture block are fit structure, and the diameter ratio of the first card hole
The maximum gauge of boss type fixture block is 3 millimeters small, and the diameter of the second card hole is 1.5 millimeters bigger than the minimum diameter of boss type fixture block,
It is caught in the first card hole convenient for boss type fixture block, and is removed out of second card hole convenient for boss type fixture block completely, the pushing
The side of plate has been bolted sleeve, and the motion bar passes through sleeve and both ends connect with boss type fixture block and pull ring respectively
Connect, the bottom of the boss type fixture block is embedded with ball, the adjustable spring be socketed in the outside of motion bar and be located at sleeve and
Between pull ring, the electric pushrod and electric heating sheets are electrically connected with external power supply.
Beneficial effects of the present invention:
1. and will be pressed by the industrial filter paper of preset requirement laying, the outer framework of polytetrafluoroethylene film and sheet metal composition in the present invention
The primary membrane contact electrode of the carbon paper of preset requirement laying, proton exchange membrane and polyester frame composition, and such laying with connect
Touching mode can be effectively prevented from the polyester frame and outer framework occurred in sizing material or primary membrane electrode under high temperature environment
The case where sheet metal stick to each other, and protective action is played to it while guaranteeing product flatness, and first formed through pre- sulphur
It is operated again through sulfidization molding, and the pressure in the molding of pre- sulphur is maintained at 0.4-0.6MPa, the time is maintained at 50-70 seconds, and vulcanizes
Pressure in molding is maintained at 1.4-1.6Mpa, and the time is maintained at 120-180 seconds, and wherein temperature is controlled always in 100-150 degree,
And then by hot press operation twice, can be effectively prevented from because pressure is uneven or pressure is excessive generate bubble, protrusion the defects of, greatly
Hot pressing quality is improved greatly；
2. lower platen in the present invention is when moving out to bearing, operator can treat hot press parts and take
It puts, no longer needs to protrude into limb part between lower platen and top board and picked and placed to treat hot press parts, ensure that pick-and-place just
Victory and safety, and lower platen has the restoring force of adjustable spring to act on, when moving to bearing inwards to avoid movable plate
It shifts in the horizontal plane, and movable plate is regular motion on column, is shifted on vertical plane to avoid movable plate,
The hot pressing area constituted simultaneously with six positive stop strips on lower platen and top board matches, in order to avoid in hot pressing, to hot pressing
Component shifts, and then ensure that hot press parts while picking and placing convenient, will not shift in hot pressing, greatly
Hot pressing precision is improved greatly.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is process flow chart of the invention；
Fig. 2 is whole positive structure diagram of the invention；
Fig. 3 is seal case internal cross section figure of the invention；
Fig. 4 is the a-quadrant side structure schematic view in Fig. 3 of the invention；
Fig. 5 is positive stop strip installation diagram of the invention；
In figure: 1, support frame；2, seal case；3, glue feeding tube；4, chamber door；5, storage tank；6, electric pushrod；7, buffering elastic
Ball；8, first sliding groove；9, lower platen；10, top board；11, upper mounted plate；12, electric heating sheets；13, positive stop strip；14, movable plate；
15, sliding block；16, column；17, bottom plate；18, sleeve；19, ball；20, second sliding slot；21, the first card hole；22, the second card
Hole；23, boss type fixture block；24, motion bar；25, adjustable spring；26, pull ring.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
As shown in Figs. 1-5, the present invention provides a kind of technical solution: a kind of being hot pressed into for fuel cell membrane electrode production
Type technique, pretreatment, hot-pressing processing and the air-cooled veritification processing of laying, proton exchange membrane including outer framework, concrete operations step
It is rapid as follows:
Step 1: the laying of outer framework first takes dry, clean sheet metal to be placed on station, then successively filters industry
Paper and polytetrafluoroethylene film are laid in the center of sheet metal, and to obtain outer framework, and the laying quantity of outer framework is two；
Step 2: the pretreatment of proton exchange membrane first takes two carbon papers to be laid in the two sides of proton exchange membrane respectively, then
Two polyester frames are fitted with the outer surface of carbon paper, to obtain primary membrane electrode, and are placed on station stand-by；
Step 3: the sheet metal face of an outer framework obtained in step 1 is first placed in special hot pressing by hot-pressing processing
In equipment, then primary membrane electrode obtained in step 2 is placed in the tetrafluoro film surface in the outer framework, uses step 1 again later
Obtained in another outer framework polytetrafluoroethylene film cover on primary membrane electrode, and after hot press operation twice, to be formed
Membrane electrode, and hot press operation is respectively pre- sulphur molding and sulfidization molding twice, and the pressure in the molding of pre- sulphur is maintained at 0.4-
0.6MPa, time are maintained at 50-70 seconds, and the pressure in sulfidization molding is maintained at 1.4-1.6Mpa, and the time is maintained at 120-180
Second, and temperature is controlled always in 100-150 degree, and industrial filter paper and polytetrafluoroethylene film are successively laid in the center of sheet metal, this
Kind laying mode, which can be effectively prevented under hot environment, there is the case where polyester frame and sheet metal adhesion, and then is guaranteeing product
Protective action is played while flatness to it, and is first operated again through sulfidization molding through the molding of pre- sulphur, can be effectively prevented from because of one
Secondary briquetting pressure is uneven or pressure is excessive and the defects of generate bubble, production has been ensured while greatly improving hot pressing quality
Efficiency；
Step 4: molding membrane electrode obtained in step 3 is first placed in air-cooled case, and through 50- by air-cooled veritification processing
After air-cooled operation in 70 seconds, then by its stamp, detection, and it is placed in dry dustless normal temperature environment and stores.
Wherein, the special hot pressing equipment in the step 3 is by support frame 1, seal case 2, glue feeding tube 3, chamber door 4, storing
Tank 5, electric pushrod 6, buffering marble 7, first sliding groove 8, lower platen 9, top board 10, upper mounted plate 11, electric heating sheets 12, limit
Article 13, movable plate 14, sliding block 15, column 16, bottom plate 17, sleeve 18, ball 19, second sliding slot 20, the first card hole 21,
Two card holes 22, boss type fixture block 23, motion bar 24, adjustable spring 25 and pull ring 26 form, and the bottom of seal case 2 passes through welding
It is fixed with support frame 1, the side of seal case 2 is connected with storage tank 5 by buckle, and the bottom of storage tank 5, which is provided with, to be sent
Sebific duct 3, and one end of glue feeding tube 3 is led gluing equipment with outside and is connect, the side of seal case 2 is connected with chamber door by articulate
4, the inside of seal case 2 passes sequentially through bolt from top to bottom and is fixed with upper mounted plate 11 and bottom plate 17, and upper mounted plate
11 and bottom plate 17 be it is horizontal positioned, the bottom center of upper mounted plate 11 has been bolted top board 10, lower solid
The bottom center of fixed board 17 is fixed with electric pushrod 6 by screw, and one end of electric pushrod 6 passes through bottom plate 17 and activity
Plate 14 is connected, and correspondence is equipped with column 16 between upper mounted plate 11 and bottom plate 17, and two columns 16 both pass through movable plate
14, movable plate 14 and column 16, electric pushrod 6 and the contact position of bottom plate 17 are coated with epoxy resin lubricant coating, just
In the resistance that reduction movable plate 14 and electric pushrod 6 are subject to during exercise, movable plate 14 is uniform close to the side of bottom plate 17
Be embedded with buffering marble 7, side of the movable plate 14 far from bottom plate 17 be corresponding to offer first sliding groove 8, first sliding groove 8 it is interior
Portion is equipped with sliding block 15, and lower platen 9 is connected between two sliding blocks 15, and lower platen 9 and top board 10 are fit structure and right
It should be arranged, the adjacent side inner wall of lower platen 9 and top board 10 is evenly distributed with electric heating sheets 12, lower platen 9 and top board 10
Adjacent side be uniformly distributed positive stop strip 13, lower platen 9 is six with the positive stop strip 13 on top board 10 and is correspondingly arranged, and
Six positive stop strips 13 are one group and constitute hot pressing area, will be put to hot press parts to specified region convenient for operator, and prevent hot pressing
Shift phenomenon in the process, substantially increases hot pressing precision, and movable plate 14 at the side center of bottom plate 17 far from opening up
There is second sliding slot 20, the bottom interior wall of second sliding slot 20 successively offers the first card hole 21 and the second card hole 22 outward from inner, the
One card hole 21 and the second card hole 22 and boss type fixture block 23 are fit structure, and the diameter of the first card hole 21 is than boss type fixture block
23 maximum gauge is 3 millimeters small, and the diameter of the second card hole 22 is 1.5 millimeters bigger than the minimum diameter of boss type fixture block 23, is convenient for
Boss type fixture block 23 is caught in completely in the first card hole 21, and is removed out of second card hole 22 convenient for boss type fixture block 23, is pushed
The side of plate 9 has been bolted sleeve 18, motion bar 24 pass through sleeve 18 and both ends respectively with boss type fixture block 23 and draw
Ring 26 connects, and the bottom of boss type fixture block 23 is embedded with ball 19, and adjustable spring 25 is socketed in the outside of motion bar 24 and is located at
Between sleeve 18 and pull ring 26, electric pushrod 6 and electric heating sheets 12 are electrically connected with external power supply.
The course of work: first opening chamber door 4 and holds pull ring 26 lifts upwards, until boss type fixture block 23 leaves the first card
Pull ring 26 is pulled out later and lower platen 9 is driven to move out by hole 21, until boss type fixture block 23 is caught in the second card hole 22
It is interior, will be placed in the hot pressing area on lower platen 9 to hot press parts at this time, then pull ring 26 lifted upwards so that boss type fixture block 23 from
The second card hole 22 is opened, pull ring 26 is pushed into inwards later and is driven lower platen 9 and is moved inwards to hot press parts, until boss type
Fixture block 23 is caught in the first card hole 21, and is acted on by the restoring force of adjustable spring 25, so that boss type fixture block 23 and the first card hole
21 are in close contact, and lead gluing equipment by outside later and export the sizing material in storage tank 5 through glue feeding tube 3, and put and be applied on required
Glue region, opens electric heating sheets 12 and electric pushrod 6 while then shutting chamber door 4, and by electric heating sheets 12 by the temperature of sizing material
Degree maintains 100-150 degree, and electric pushrod 6 drives movable plate 14 and lower platen 9 to move towards top board 10, until top board
Hot pressing area on 10 is contacted with to hot press parts, and first keeping the pressure between lower platen 9 and top board 10 at this time is 0.4-0.6MPa
And maintain 50-70 seconds, to complete pre- sulphur forming operation, then keeping the pressure between lower platen 9 and top board 10 is 1.4-1.6Mpa
And maintain 120-180 seconds, to complete sulfidization molding operation, electric heating sheets 12 are finally closed while electric pushrod 6 is withdrawn, with
Complete a whole set of hot press working process.
The present invention is by reasonably designing, wherein industrial filter paper and polytetrafluoroethylene film are first laid in the center of sheet metal,
To obtain outer framework, then two carbon papers are laid in the two sides of proton exchange membrane respectively, later by two polyester frames with
The outer surface of carbon paper fits, to obtain primary membrane electrode, and in hot pressing, by primary membrane electrode polyester frame with
Polytetrafluoroethylene film in outer framework is in contact, and such laying and the way of contact, can be effectively prevented under high temperature environment, sizing material occurs
Or the case where sheet metal stick to each other in the polyester frame and outer framework in primary membrane electrode, and guaranteeing product flatness
Protective action is played to it simultaneously, and is first operated again through sulfidization molding through the molding of pre- sulphur, and the pressure in the molding of pre- sulphur is maintained at
0.4-0.6MPa, time are maintained at 50-70 seconds, and the pressure in sulfidization molding is maintained at 1.4-1.6Mpa, and the time is maintained at
120-180 seconds, wherein temperature was controlled always in 100-150 degree, and then by hot press operation twice, can be effectively prevented from because of pressure
Uneven or pressure is excessive and the defects of generate bubble, protrusion, greatly improve hot pressing quality；
It wherein first holds pull ring 26 to lift upwards, until boss type fixture block 23 leaves the first card hole 21, later by pull ring 26
It pulls out and lower platen 9 is driven to move out, until boss type fixture block 23 is caught in the second card hole 22, it at this time will be to hot pressing portion
Part is placed in the hot pressing area on lower platen 9, then pull ring 26 is lifted so that boss type fixture block 23 leaves the second card hole 22, later upwards
Pull ring 26 is pushed into inwards and is driven lower platen 9 and is moved inwards to hot press parts, until boss type fixture block 23 is caught in the first card
It in hole 21, and is acted on by the restoring force of adjustable spring 25, so that boss type fixture block 23 and the first card hole 21 are in close contact, and under
When pressing plate 9 is moved out to bearing, operator can treat hot press parts and pick and place, and no longer need to protrude into down limb part
Hot press parts are treated between pressing plate 9 and top board 10 to be picked and placed, and ensure that the convenience and safety of pick-and-place, and in lower platen
9 when moving to bearing inwards, has the restoring force of adjustable spring 25 to act on, and occurs in the horizontal plane to avoid movable plate 14 inclined
Move, and movable plate 14 on column 16 be regular motion, shift on vertical plane to avoid movable plate 14, at the same with pushing
The hot pressing area that six positive stop strips 13 on plate 9 and top board 10 are constituted matches, in order to avoid sent out in hot pressing to hot press parts
Raw offset, and then ensure that hot press parts while picking and placing convenient, it will not shift, greatly promote in hot pressing
Hot pressing precision.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, also do not limit the specific embodiment that the invention is only.Obviously, according to the content of this specification, can make
Many modifications and variations.These embodiments are chosen and specifically described to this specification, is original in order to better explain the present invention
Reason and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only authorized
The limitation of sharp claim and its full scope and equivalent.
Claims (6)
1. a kind of hot press forming technology for fuel cell membrane electrode production, which is characterized in that laying, matter including outer framework
Pretreatment, hot-pressing processing and the air-cooled veritification processing of proton exchange, specific steps are as follows:
Step 1: the laying of outer framework first takes dry, clean sheet metal to be placed on station, then successively by industrial filter paper and
Polytetrafluoroethylene film is laid in the center of sheet metal, and to obtain outer framework, and the laying quantity of outer framework is two；
Step 2: the pretreatment of proton exchange membrane first takes two carbon papers to be laid in the two sides of proton exchange membrane respectively, then by two
A polyester frame fits with the outer surface of carbon paper, to obtain primary membrane electrode, and is placed on station stand-by；
Step 3: the sheet metal face of an outer framework obtained in step 1 is first placed in special hot pressing equipment by hot-pressing processing
On, then primary membrane electrode obtained in step 2 is placed in the tetrafluoro film surface in the outer framework, later again in step 1
To another outer framework polytetrafluoroethylene film cover on primary membrane electrode, and after hot press operation twice, to obtain shaping membrane electricity
Pole；
Step 4: molding membrane electrode obtained in step 3 was first placed in air-cooled case, and through 50-70 seconds by air-cooled veritification processing
Air-cooled operation after, then by its stamp, detection, and be placed in dry dustless normal temperature environment and store.
2. a kind of hot press forming technology for fuel cell membrane electrode production according to claim 1, which is characterized in that
Hot press operation twice in the step 3 is respectively pre- sulphur molding and sulfidization molding, and the pressure in the molding of pre- sulphur is maintained at
0.4-0.6MPa, time are maintained at 50-70 seconds, and the pressure in sulfidization molding is maintained at 1.4-1.6Mpa, and the time is maintained at
120-180 seconds, and temperature is controlled always in 100-150 degree.
3. a kind of hot press forming technology for fuel cell membrane electrode production according to claim 1, which is characterized in that
Special hot pressing equipment in the step 3 is by support frame (1), seal case (2), glue feeding tube (3), chamber door (4), storage tank
(5), electric pushrod (6), buffering marble (7), first sliding groove (8), lower platen (9), top board (10), upper mounted plate (11), electricity
Heating sheet (12), positive stop strip (13), movable plate (14), sliding block (15), column (16), bottom plate (17), sleeve (18), ball
(19), second sliding slot (20), the first card hole (21), the second card hole (22), boss type fixture block (23), motion bar (24), flexible bullet
Spring (25) and pull ring (26) composition, the bottom of the seal case (2) is by being welded with support frame (1), the seal box
The side of body (2) is connected with storage tank (5) by buckle, and the bottom of the storage tank (5) is provided with glue feeding tube (3), and
One end of glue feeding tube (3) is led gluing equipment with outside and is connect, and the side of the seal case (2) is connected with chamber door by articulate
(4), the inside of the seal case (2) passes sequentially through bolt from top to bottom and is fixed with upper mounted plate (11) and bottom plate
(17), and upper mounted plate (11) and bottom plate (17) be it is horizontal positioned, the bottom center of fixed plate (11) is logical
Bolt to be crossed to be fixed with top board (10), the bottom center of the bottom plate (17) is fixed with electric pushrod (6) by screw,
One end of the electric pushrod (6) passes through bottom plate (17) and is connected with movable plate (14), fixed plate (11) He Xiagu
Correspondence is equipped with column (16) between fixed board (17), and two columns (16) both pass through movable plate (14), the movable plate (14)
Side close to bottom plate (17) has been uniformly embedded into buffering marble (7), and the movable plate (14) is far from bottom plate (17)
Side correspondence offers first sliding groove (8), and the inside of the first sliding groove (8) is equipped with sliding block (15), and two sliding blocks (15)
Between be connected with lower platen (9), the lower platen (9) and top board (10) are fit structure and are correspondingly arranged, the lower platen
(9) it is evenly distributed with electric heating sheets (12) with the adjacent side inner wall of top board (10), the lower platen (9) and top board (10)
Adjacent side be uniformly distributed positive stop strip (13), the movable plate (14) far from bottom plate (17) side center at offer
The bottom interior wall of second sliding slot (20), the second sliding slot (20) successively offers the first card hole (21) and the second card from inner outward
The side in hole (22), the lower platen (9) has been bolted sleeve (18), the motion bar (24) pass through sleeve (18) and
Both ends are connect with boss type fixture block (23) and pull ring (26) respectively, and the bottom of the boss type fixture block (23) is embedded with ball
(19), the adjustable spring (25) is socketed in the outside of motion bar (24) and between sleeve (18) and pull ring (26), described
Electric pushrod (6) and electric heating sheets (12) are electrically connected with external power supply.
4. a kind of hot press forming technology for fuel cell membrane electrode production according to claim 3, which is characterized in that
The contact position of the movable plate (14) and column (16), electric pushrod (6) and bottom plate (17) is coated with epoxy resin profit
Sliding coating.
5. a kind of hot press forming technology for fuel cell membrane electrode production according to claim 3, which is characterized in that
The lower platen (9) is six and is correspondingly arranged with the positive stop strip (13) on top board (10), and six positive stop strips (13) are
One group and constitute hot pressing area.
6. a kind of hot press forming technology for fuel cell membrane electrode production according to claim 3, which is characterized in that
First card hole (21) and the second card hole (22) and boss type fixture block (23) are fit structure, and the first card hole (21) is straight
Diameter is 3 millimeters smaller than the maximum gauge of boss type fixture block (23), and the diameter of the second card hole (22) is most than boss type fixture block (23)
Minor diameter is 1.5 millimeters big.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055025.4A CN109904466B (en) | 2019-01-21 | 2019-01-21 | Hot press molding process for producing fuel cell membrane electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055025.4A CN109904466B (en) | 2019-01-21 | 2019-01-21 | Hot press molding process for producing fuel cell membrane electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109904466A true CN109904466A (en) | 2019-06-18 |
| CN109904466B CN109904466B (en) | 2022-01-14 |
Family
ID=66943909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910055025.4A Active CN109904466B (en) | 2019-01-21 | 2019-01-21 | Hot press molding process for producing fuel cell membrane electrode |
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| CN110265692A (en) * | 2019-06-19 | 2019-09-20 | 十堰隆深机器人有限公司 | A kind of vacuum abutted anti-displacement device |
| CN110336062A (en) * | 2019-08-11 | 2019-10-15 | 河南豫氢动力有限公司 | A kind of fuel cell membrane electrode equipment for cooling die |
| CN114497620A (en) * | 2022-03-14 | 2022-05-13 | 东方电气(成都)氢燃料电池科技有限公司 | Fuel cell double-side frame membrane electrode assembly attaching device and method |
| CN114512690A (en) * | 2022-03-14 | 2022-05-17 | 东方电气(成都)氢燃料电池科技有限公司 | Fuel cell unilateral frame membrane electrode assembly attaching device and method |
| CN118336056A (en) * | 2024-05-10 | 2024-07-12 | 氢新科技(深圳)有限公司 | High-performance high-temperature proton exchange membrane fuel cell membrane electrode, preparation process and device |
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| CN110265692A (en) * | 2019-06-19 | 2019-09-20 | 十堰隆深机器人有限公司 | A kind of vacuum abutted anti-displacement device |
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| CN110336062A (en) * | 2019-08-11 | 2019-10-15 | 河南豫氢动力有限公司 | A kind of fuel cell membrane electrode equipment for cooling die |
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| CN114512690A (en) * | 2022-03-14 | 2022-05-17 | 东方电气(成都)氢燃料电池科技有限公司 | Fuel cell unilateral frame membrane electrode assembly attaching device and method |
| CN114497620B (en) * | 2022-03-14 | 2024-03-26 | 东方电气(成都)氢燃料电池科技有限公司 | Fuel cell double-frame membrane electrode assembly attaching device and method |
| CN114512690B (en) * | 2022-03-14 | 2024-04-30 | 东方电气(成都)氢燃料电池科技有限公司 | Fuel cell single-frame membrane electrode assembly attaching device and method |
| CN118336056A (en) * | 2024-05-10 | 2024-07-12 | 氢新科技(深圳)有限公司 | High-performance high-temperature proton exchange membrane fuel cell membrane electrode, preparation process and device |
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