CN109216724B - Fuel cell membrane electrode bonding device and bonding method - Google Patents
Fuel cell membrane electrode bonding device and bonding method Download PDFInfo
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- CN109216724B CN109216724B CN201810913135.5A CN201810913135A CN109216724B CN 109216724 B CN109216724 B CN 109216724B CN 201810913135 A CN201810913135 A CN 201810913135A CN 109216724 B CN109216724 B CN 109216724B
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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
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0273—Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
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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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Abstract
The invention discloses a fuel cell membrane electrode laminating device, which comprises: the lower die base is used for installing the lower frame film, and the lower die base is connected with a first positioning member for positioning the installation position of the lower frame film on the lower die base. Still including being used for the location exchange membrane and with the fixture of exchange membrane laminating to lower frame membrane, anchor clamps are fixed a position on the die holder through first locating component to make the exchange membrane location laminating that adsorbs on it to lower frame membrane, the die holder still is connected with the vacuum adsorption device who is used for the vacuum adsorption exchange membrane, with the in-process disturbance exchange membrane that prevents anchor clamps break away from the die holder. The upper die base is used for installing an upper frame film, the upper die base is connected with a second positioning component used for positioning the installation position of the upper frame film on the upper die base, and the second positioning component abuts against the first positioning component in the die assembly process of the upper die base and the lower die base and the process of laminating the upper frame film to the upper surface of the exchange film so as to position the upper frame film relative to the exchange film.
Description
Technical Field
The invention relates to the field of fuel cells, in particular to a fuel cell membrane electrode laminating device. In addition, the invention also relates to a fuel cell membrane electrode laminating method for laminating the membrane electrode by using the fuel cell membrane electrode laminating device.
Background
A hydrogen fuel cell generates electric energy by electrochemically reacting hydrogen fuel and an oxidant, and the most central component thereof is a membrane electrode. The membrane electrode comprises two layers of carbon paper, two layers of frame membranes and a proton exchange membrane coated with a catalyst layer.
In the electrochemical reaction of a fuel cell, the proton exchange membrane is a proton permeable membrane, which is insulating and through which protons are transported from the anode to the cathode, and electrons are transported from the conductive path to the cathode. Because the hydrogen and the oxygen of the cathode and the anode are strictly prevented from mutually crossing, the sealing effect of the membrane electrode is particularly important, and no bubble is mixed between the two layers of frame membranes.
The catalyst coated on the proton exchange membrane needs to use platinum as a raw material, so the price is very high, and in order to save cost, the fewer the attaching areas of the frame membrane and the proton exchange membrane are, the better the attaching areas are, and waste is avoided. When the bonding area is reduced, the bonding precision needs to be improved to avoid bonding failure of the membrane electrode.
Disclosure of Invention
The invention provides a fuel cell membrane electrode laminating device and a laminating method, which are used for solving the technical problems that the positioning precision between a membrane electrode frame membrane and a proton exchange membrane after the existing laminating is low, so that the laminating precision of the membrane electrode is low, and the laminating of the membrane electrode is easy to lose efficacy.
The technical scheme adopted by the invention is as follows:
the utility model provides a fuel cell membrane electrode laminating device, membrane electrode after the laminating includes relative last frame membrane and the lower frame membrane that sets up, and pastes the exchange membrane tightly between last frame membrane and lower frame membrane, and the laminating device includes: the lower die base is used for mounting the lower frame film, and the lower die base is connected with a first positioning member for positioning the mounting position of the lower frame film on the lower die base; the attaching device also comprises a clamp used for positioning the exchange membrane coated with the catalyst and attaching the exchange membrane to the lower frame membrane, the clamp is positioned on the lower die holder through a first positioning member and is movably connected to the first positioning member so that the exchange membrane adsorbed on the clamp is positioned and attached to the upper surface of the lower frame membrane, and the lower die holder is also connected with a vacuum adsorption device used for vacuum adsorption of the exchange membrane so as to prevent the exchange membrane from being disturbed in the process that the clamp is separated from the lower die holder; the upper die base is used for installing an upper frame film, the upper die base is connected with a second positioning component used for positioning the installation position of the upper frame film on the upper die base, and the second positioning component abuts against the first positioning component in the die assembly process of the upper die base and the lower die base and the process of laminating the upper frame film to the upper surface of the exchange film so as to position the upper frame film relative to the exchange film.
Furthermore, the top of the lower die holder is provided with a lower supporting surface which is used for being attached to the lower frame film to support the lower frame film; the lower die base is internally provided with a plurality of first adsorption holes communicated with the lower bearing surface, and the first adsorption holes are connected with a vacuum adsorption device so as to adsorb an exchange membrane in the process that the clamp is separated from the lower die base and in the process that the upper die base and the lower die base are assembled.
Further, the lower die base comprises a lower mounting plate and a lower mounting die fixedly connected to the lower mounting plate; the top of the lower mounting die is a lower bearing surface; the first vacuum cavity is communicated with the first adsorption hole and the vacuum adsorption device simultaneously.
Furthermore, a first mounting channel is arranged on the lower die base; the first positioning member is arranged in the first installation channel along the axial direction of the first installation channel, and the free end of the first positioning member extends out of the first installation channel and is used for being matched with the installation hole in the lower frame film so as to position the installation position of the lower frame film on the lower die base.
Further, the bottom of the clamp is provided with a first mounting surface which is used for being attached to an exchange membrane so as to mount the exchange membrane; a plurality of second adsorption holes communicated with the first installation surface are formed in the clamp, and the second adsorption holes are connected with a vacuum adsorption device so as to adsorb the exchange membrane and enable the exchange membrane to be tightly attached to the first installation surface; the clamp is further provided with a positioning hole, and the positioning hole is used for penetrating the first positioning member so as to position the clamp relative to the lower die base.
Further, a second mounting surface for being attached to the upper frame film to mount the upper frame film is arranged at the bottom of the upper die base; the upper die base is internally provided with a plurality of third adsorption holes communicated with the second mounting surface, and the third adsorption holes are connected with the vacuum adsorption device so as to adsorb the upper frame film and enable the upper frame film to be tightly attached to the second mounting surface.
Furthermore, the upper die base comprises an upper mounting plate and an upper mounting die fixedly connected to the upper mounting plate; the bottom of the upper mounting die is a second mounting surface; the third adsorption hole is positioned on the upper mounting die, a third vacuum cavity is further arranged in the upper mounting die, and the third vacuum cavity is communicated with the third adsorption hole and the vacuum adsorption device at the same time.
Further, the second mounting surface is a horizontal surface; or the upper mounting die is a plastic part made of a plastic material which can deform under the action of external force, and the second mounting surface is an inclined surface which forms an included angle of 3-5 degrees with the exchange membrane.
Furthermore, a second mounting channel is arranged on the upper die base; the second positioning member is arranged in the second mounting channel along the axial direction of the second mounting channel, and the free end of the second positioning member extends out of the second mounting channel and is used for being matched with the mounting hole in the upper frame film so as to position the mounting position of the upper frame film on the upper die base.
Further, the fuel cell membrane electrode laminating device also comprises a heating component arranged in the lower die holder, and the heating component is used for heating the laminated upper frame membrane, lower frame membrane and exchange membrane so as to laminate the upper frame membrane, the lower frame membrane and the exchange membrane into a membrane electrode.
According to another aspect of the present invention, there is provided a fuel cell membrane electrode bonding method using the fuel cell membrane electrode bonding apparatus according to any one of the above, including: mounting the lower frame film on a lower die base, and positioning the lower frame film through a first positioning member; after the clamp positions and adsorbs the exchange membrane coated with the catalyst, the clamp is positioned on the lower die base through the first positioning member so that the exchange membrane adsorbed on the clamp is positioned and attached to the upper surface of the lower frame membrane; after the vacuum adsorption device is started to suck the exchange membrane tightly, the clamp is separated from the lower die base; mounting the upper frame film on the upper die base, and positioning the upper frame film through a second positioning member; and (3) closing the upper die holder and the lower die holder, and abutting the second positioning member against the first positioning member in the die closing process to position the upper frame film relative to the exchange film.
The invention has the following beneficial effects:
the fuel cell membrane electrode laminating device comprises a lower die holder for mounting a lower frame membrane, wherein the lower frame membrane is positioned relative to the lower die holder through a first positioning member; the fixture with the adsorbed exchange membrane moves to the upper part of the lower die base under the action of the external transfer mechanism, and the fixture is positioned and connected on the lower die base through a first positioning member, so that the exchange membrane adsorbed on the fixture is attached to the upper surface of the lower frame membrane and is positioned relative to the lower frame membrane; the upper frame film is positioned relative to the upper die base through a second positioning component, and in the process that the upper die base and the lower die base are combined to enable the upper frame film to be attached to the upper surface of the exchange film, the second positioning component is abutted against the first positioning component to position the upper frame film relative to the exchange film, so that the lower frame film is positioned relative to the lower die base, the exchange film is positioned relative to the lower frame film, the upper frame film is positioned relative to the upper die base and the exchange film respectively, the positioning precision between the frame film and the exchange film is improved, the attachment precision of the film electrode is high, the attachment of the film electrode is not prone to failure, the attachment area of the film electrode can be reduced, and the cost of the fuel cell is reduced; in addition, because the exchange membrane is thin and soft in material, the thickness is generally 1 mm-2 mm, in order to prevent the air flow generated in the process that the clamp is separated from the lower die base from disturbing the exchange membrane, so that the exchange membrane positioned and attached on the lower frame membrane is shifted, in the invention, the lower die base is also connected with a vacuum adsorption device for vacuum adsorption of the exchange membrane, and the vacuum adsorption device is used for tightly adsorbing the exchange membrane so as to prevent the exchange membrane from being disturbed in the process that the clamp is separated from the lower die base.
In the method for laminating the membrane electrode of the fuel cell, because the laminating operation is carried out by adopting the device for laminating the membrane electrode of the fuel cell, the positioning of the lower frame membrane relative to the lower die holder, the positioning of the exchange membrane relative to the lower frame membrane and the respective positioning of the upper frame membrane relative to the upper die holder and the exchange membrane are realized, so that the laminating precision of the membrane electrode is improved, the laminating area of the membrane electrode is reduced, and the cost of the fuel cell is finally reduced.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a fuel cell membrane electrode assembly bonding apparatus according to a preferred embodiment of the present invention after clamping;
FIG. 2 is a schematic view of the fuel cell membrane electrode assembly apparatus of FIG. 1 shown before closing the dies;
fig. 3 is a schematic diagram of the joint size and tolerance between the upper frame film and the lower frame film and the exchange membrane.
Description of the figures
11. An upper frame film; 12. a lower frame film; 13. an exchange membrane; 20. a lower die holder; 201. a lower bearing surface; 202. a first adsorption hole; 203. a first vacuum chamber; 21. a lower mounting plate; 22. lower installing a die; 30. a first positioning member; 40. a clamp; 401. a first mounting surface; 402. a second adsorption hole; 50. an upper die holder; 501. a second mounting surface; 502. a third adsorption hole; 503. a third vacuum chamber; 51. an upper mounting plate; 52. installing a die; 60. a second positioning member.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1 and 2, a preferred embodiment of the present invention provides a fuel cell membrane electrode bonding apparatus, the bonded membrane electrode includes an upper frame membrane 11 and a lower frame membrane 12 which are oppositely disposed, and an exchange membrane 13 which is bonded between the upper frame membrane 11 and the lower frame membrane 12, the bonding apparatus includes: the lower die holder 20 is used for mounting the lower border film 12, and the first positioning member 30 for positioning the mounting position of the lower border film 12 on the lower die holder 20 is connected to the lower die holder 20. The laminating device is still including being used for the location coating to have the exchange membrane 13 of catalyst and laminating the anchor clamps 40 on lower frame membrane 12 with exchange membrane 13, and anchor clamps 40 are located on lower bolster 20 and swing joint on first locating component 30 through first locating component 30 to make the exchange membrane 13 that adsorbs on it laminate to the upper surface of lower frame membrane 12 in location, and lower bolster 20 still is connected with the vacuum adsorption device who is used for vacuum adsorption exchange membrane 13, in order to prevent that anchor clamps 40 break away from lower bolster 20 in-process disturbance exchange membrane 13. An upper die base 50 used for installing the upper frame film 11 is arranged above the lower die base 20, a second positioning member 60 used for positioning the installation position of the upper frame film 11 on the upper die base 50 is connected to the upper die base 50, and the second positioning member 60 abuts against the first positioning member 30 in the die assembly process of the upper die base 50 and the lower die base 20 and the process of attaching the upper frame film 11 to the upper surface of the exchange film 13, so that the upper frame film 11 is positioned relative to the exchange film 13.
The fuel cell membrane electrode laminating device comprises a lower die holder 20 for mounting a lower frame membrane 12, wherein the lower frame membrane 12 is positioned relative to the lower die holder 20 through a first positioning member 30; the membrane exchange device is characterized by further comprising a clamp 40 for positioning and sucking the exchange membrane 13, wherein the clamp 40 adsorbed with the exchange membrane 13 moves to the upper part of the lower die holder 20 under the action of an external transfer mechanism (a transfer robot in the invention), and the clamp 40 is positioned and connected to the lower die holder 20 through a first positioning member 30, so that the exchange membrane 13 adsorbed on the clamp 40 is attached to the upper surface of the lower frame membrane 12 and is positioned relative to the lower frame membrane 12; the membrane electrode assembly further comprises an upper die base 50 used for installing the upper frame membrane 11, the upper frame membrane 11 is positioned relative to the upper die base 50 through a second positioning component 60, and in the process that the upper die base 50 and the lower die base 20 are assembled to enable the upper frame membrane 11 to be attached to the upper surface of the exchange membrane 13, the second positioning component 60 abuts against the first positioning component 30 to position the upper frame membrane 11 relative to the exchange membrane 13, so that the lower frame membrane 12 is positioned relative to the lower die base 20, the exchange membrane 13 is positioned relative to the lower frame membrane 12, the upper frame membrane 11 is respectively positioned relative to the upper die base 50 and the exchange membrane 13, the positioning accuracy between the frame membrane and the exchange membrane is further improved, the attachment accuracy of the membrane electrode is high, the membrane electrode is not prone to failure in attachment, the attachment area of the membrane electrode; in addition, since the exchange membrane 13 is thin and soft, and the thickness is generally 1 mm-2 mm, in order to prevent the exchange membrane 13 from being disturbed by the airflow generated in the process that the clamp 40 is separated from the lower die holder 20, so that the exchange membrane 13 positioned and attached to the lower frame membrane 12 is displaced, in the invention, the lower die holder 20 is further connected with a vacuum adsorption device for vacuum adsorption of the exchange membrane 13, and the vacuum adsorption device is used for tightly adsorbing the exchange membrane 13 to prevent the exchange membrane 13 from being disturbed in the process that the clamp 40 is separated from the lower die holder 20.
In the invention, in order to ensure the sealing effect of the three-layer membrane electrode and save cost, the joint area of the upper frame membrane 11, the lower frame membrane 12 and the exchange membrane 13 (which refers to a proton exchange membrane) is set to be 2mm, and the tolerance is +/-0.2 mm, as shown in figure 3, in the invention, the positioning precision among the upper frame membrane 11, the lower frame membrane 12 and the exchange membrane 13 is improved by positioning the lower frame membrane 12 relative to the lower die holder 20, positioning the exchange membrane 13 relative to the lower frame membrane 12 and respectively positioning the upper frame membrane 11 relative to the upper die holder 50 and the exchange membrane 13, and the joint coincidence degree requirement of the joint area of 2mm and the tolerance +/-0.2 mm is met.
Optionally, as shown in fig. 2, the top of the lower die base 20 is provided with a lower supporting surface 201 for fitting with the lower border film 12 to support the lower border film 12. A plurality of first adsorption holes 202 communicated with the lower supporting surface 201 are arranged in the lower die holder 20, and the first adsorption holes 202 are connected with a vacuum adsorption device so as to adsorb the exchange membrane 13 in a vacuum manner in the process that the clamp 40 is separated from the lower die holder 20 and in the process that the upper die holder 50 and the lower die holder 20 are assembled. In the alternative, because the exchange membrane 13 is thin and soft, and the thickness is generally 1 mm-2 mm, in order to prevent the exchange membrane 13 from being disturbed by the air flow generated in the process of combining the upper die base 50 and the lower die base 20, and to enable the exchange membrane 13 positioned and attached to the lower frame membrane 12 to shift, in the invention, the lower die base 20 is further connected with a vacuum adsorption device for vacuum adsorption of the exchange membrane 13, and the vacuum adsorption device is used for tightly adsorbing the exchange membrane 13 so as to prevent the exchange membrane 13 from being disturbed in the process of combining the upper die base 50 and the lower die base 20.
In this alternative embodiment, the lower die base 20 includes a lower mounting plate 21, and a lower mounting die 22 fixedly connected to the lower mounting plate 21. The top of the lower mounting die 22 is the lower bearing surface 201. The first suction hole 202 is located on the lower mounting die 22, a first vacuum chamber 203 is further arranged in the lower mounting die 22, and the first vacuum chamber 203 is simultaneously communicated with the first suction hole 202 and the vacuum suction device. The lower mounting die 22 is in the form of a cap having an open end, the open end of which is connected to the lower mounting plate 21, and the opening of the lower mounting die 22 constitutes a first vacuum chamber 203. This structure of the lower mounting die 22 not only facilitates the processing, but also reduces the weight of the lower die base 20.
Optionally, as shown in fig. 2, the lower die base 20 is provided with a first mounting channel. The first positioning member 30 is disposed in the first installation channel along the axial direction of the first installation channel, and a free end of the first positioning member 30 extends out of the first installation channel and is used for being matched with the installation hole on the lower frame film 12, so as to position the installation position of the lower frame film 12 on the lower die holder 20. In the first embodiment of this alternative, two ends of the first mounting channel are through, the first positioning member 30 includes a first positioning pin inserted into the first mounting channel in an axial sliding manner along the first mounting channel, a free end of the first positioning pin extends out of the first mounting channel, a bottom end of the first positioning pin is connected to a first spring member for providing an axial elastic force, and a bottom end of the first spring member is fixedly connected to the lower mounting plate 21. In a second embodiment of this alternative, different from the first embodiment, the first positioning member 30 includes a first positioning pin inserted into the first mounting channel along the axial direction of the first mounting channel, the free end of the first positioning pin extends out of the first mounting channel, and the bottom end of the first positioning pin is fixedly connected to the lower mounting plate 21.
Optionally, as shown in fig. 2, the bottom of the clamp 40 is provided with a first mounting surface 401 for fitting with the exchange membrane 13 to mount the exchange membrane 13. A plurality of second adsorption holes 402 communicated with the first installation surface 401 are arranged in the clamp 40, and the second adsorption holes 402 are connected with a vacuum adsorption device so as to adsorb the exchange membrane 13 and enable the exchange membrane 13 to be tightly attached to the first installation surface 401. The fixture 40 is further provided with a positioning hole, and the positioning hole is used for penetrating the first positioning member 30, so that the fixture 40 is positioned relative to the lower die holder 20, and the positioning accuracy of the exchange membrane 13 relative to the lower frame membrane 12 is further improved. In this alternative embodiment, as shown in fig. 2, a second vacuum chamber is further provided in the fixture 40, and the second vacuum chamber is simultaneously communicated with the second suction hole 402 and the vacuum suction device. The fixture 40 further comprises two lugs oppositely arranged along the length direction of the fixture, each lug is provided with a positioning hole, and the fixture 40 penetrates through the first positioning member 30 through the positioning holes on the lugs so as to position the fixture 40 relative to the lower die holder 20.
Optionally, as shown in fig. 2, the bottom of the upper die base 50 is provided with a second mounting surface 501 for attaching to the upper frame film 11 to mount the upper frame film 11. A plurality of third adsorption holes 502 communicated with the second installation surface 501 are arranged in the upper die holder 50, and the third adsorption holes 502 are connected with a vacuum adsorption device so as to adsorb the upper frame film 11 and enable the upper frame film 11 to be tightly attached to the second installation surface 501.
In this alternative embodiment, the upper die base 50 includes an upper mounting plate 51, and an upper mounting die 52 fixedly attached to the upper mounting plate 51. The bottom of the upper mounting die 52 is the second mounting surface 501. The third suction hole 502 is located on the upper mounting die 52, a third vacuum chamber 503 is further disposed in the upper mounting die 52, and the third vacuum chamber 503 is simultaneously communicated with the third suction hole 502 and the vacuum suction device. The upper mounting die 52 is in the form of a lid having an open end, the open end of the lid being connected to the upper mounting plate 51, and the opening of the upper mounting die 52 forming the third vacuum chamber 503. This structure of the upper mounting die 52 not only facilitates the processing, but also reduces the weight of the upper die holder 50.
Optionally, the second mounting surface 501 is a horizontal surface. Or the upper mounting die 52 is a plastic part made of a plastic material which can deform under the action of external force, and the second mounting surface 501 is an inclined surface which forms an included angle of 3-5 degrees with the exchange membrane 13. In the process of closing the upper die holder 50 and the lower die holder 20, in order to avoid air bubbles between the upper frame film 11 and the exchange film 13 and between the lower frame film 12 and the exchange film 13, and further affect the lamination quality, in the invention, the upper mounting die 52 is made of rubber, and an inclination of 3-5 degrees is formed between the second mounting surface 501 and the exchange film 13, as shown in fig. 2. Therefore, in the die assembly process, the upper frame film 11 and the exchange film 13 are gradually attached from the downward inclined end of the inclined plane to the upward inclined end of the inclined plane, and meanwhile, the upper die base 50 also presses the lower frame film 12 and the exchange film 13 to be gradually attached from the downward inclined end of the inclined plane to the upward inclined end of the inclined plane, so that air between the upper frame film 11 and the exchange film 13 and air between the lower frame film 12 and the exchange film 13 can be gradually discharged outwards, and the attachment quality of the membrane electrode is improved. After the upper frame film 11 and the exchange membrane 13 and the lower frame film 12 and the exchange membrane 13 are completely bonded, the second mounting surface 501 can be compressed to be parallel to the lower supporting surface 201 under a certain external force due to the strong plasticity of the rubber material, as shown in fig. 1. On the other hand, when the included angle between the second mounting surface 501 and the exchange membrane 13 is smaller than 3 °, the air bubble discharge effect between the upper frame membrane 11 and the exchange membrane 13 and between the lower frame membrane 12 and the exchange membrane 13 is not obvious; when the included angle between the second mounting surface 501 and the exchange membrane 13 is greater than 5 degrees, the upper die holder 50 can cause the displacement between the upper frame membrane 11 and the exchange membrane 13 relative to the exchange membrane 13 and between the exchange membrane 13 and the lower frame membrane 12 during the pressing process, so that the attaching quality is affected.
Optionally, as shown in fig. 2, a second mounting channel is provided on the upper die base 50. The second positioning member 60 is disposed in the second mounting channel along the axial direction of the second mounting channel, and a free end of the second positioning member 60 extends out of the second mounting channel and is used for being matched with the mounting hole on the upper frame film 11, so as to position the mounting position of the upper frame film 11 on the upper die holder 50. In the first embodiment of this alternative, two ends of the second mounting channel are through, the second positioning member 60 includes a second positioning pin inserted into the second mounting channel in an axial sliding manner along the second mounting channel, a free end of the second positioning pin extends out of the second mounting channel, a top end of the second positioning pin is connected to a second spring member for providing an elastic force in the axial direction, and a top end of the second spring member is fixedly connected to the upper mounting plate 51. In the second embodiment of this alternative, unlike the first embodiment, the second positioning member 60 includes a second positioning pin inserted into the second mounting channel in the axial direction of the second mounting channel, a free end of the second positioning pin protrudes out of the second mounting channel, and a top end of the second positioning pin is fixedly connected to the upper mounting plate 51.
In practical applications, the first embodiment of the second positioning member 60 may be disposed corresponding to the first embodiment or the second embodiment of the first positioning member 30, and when the second positioning member 60 abuts against the first positioning member 30, the stable position of the two abutting is located between the upper frame film 11 and the lower frame film 12. Similarly, the second embodiment of the second positioning member 60 may be disposed corresponding to the first embodiment or the second embodiment of the first positioning member 30, and when the second positioning member 60 abuts against the first positioning member 30, the stable position after the abutment of the two is located between the upper frame film 11 and the lower frame film 12.
Optionally, the joint surfaces of the upper frame film 11 and the lower frame film 12 are coated with a heat-curable adhesive. The fuel cell membrane electrode laminating device further comprises a heating component (not shown) arranged in the lower die holder 20, and the heating component is used for heating the laminated upper frame membrane 11, lower frame membrane 12 and exchange membrane 13 so as to laminate the upper frame membrane 11, the lower frame membrane 12 and the exchange membrane 13 into a membrane electrode.
Referring to fig. 1 and 2, there is also provided a fuel cell membrane electrode assembly attaching method according to another aspect of the present invention, which performs an attaching operation using the fuel cell membrane electrode assembly attaching apparatus according to any one of the above, including the steps of:
the lower frame film 12 is mounted to the lower die base 20, and the lower frame film 12 is positioned by the first positioning member 30.
After the clamp 40 is positioned and adsorbed with the catalyst-coated exchange membrane 13, the clamp 40 is positioned on the lower die holder 20 through the first positioning member 30, so that the exchange membrane 13 adsorbed on the clamp 40 is positioned and attached to the upper surface of the lower frame membrane 12.
After the vacuum adsorption device is started to tightly suck the exchange membrane 13, the clamp 40 is separated from the lower die holder 20.
The upper rim film 11 is mounted on the upper die base 50, and the upper rim film 11 is positioned by the second positioning member 60.
The upper die holder 50 and the lower die holder 20 are closed, and the second positioning member 60 abuts against the first positioning member 30 during the closing process to position the upper frame film 11 relative to the exchange membrane 13.
Specifically, the lower frame film 12 is firstly mounted on the lower die holder 20, and the lower frame film 12 is positioned by the first positioning member 30, in the actual operation process, the lower frame film 12 is provided with a positioning hole, and the lower frame film 12 penetrates through the first positioning member 30 through the positioning hole and is further positioned on the lower die holder 20; then after the clamp 40 positions and adsorbs the catalyst-coated exchange membrane 13, the clamp 40 adsorbed with the exchange membrane 13 is transferred to the lower die base 20 through a transfer mechanism, and the clamp 40 is positioned on the lower die base 20 through the first positioning member 30 so that the exchange membrane 13 adsorbed on the clamp 40 is positioned and attached to the upper surface of the lower frame membrane 12, in the actual operation process, the clamp 40 is provided with a positioning hole, and the clamp 40 penetrates through the first positioning member 30 through the positioning hole on the clamp 40 and is further positioned on the lower die base 20; then, after starting the vacuum adsorption device to tightly suck the exchange membrane 13, separating the clamp 40 from the lower die holder 20; then, the upper frame film 11 is mounted on the upper die holder 50, and the upper frame film 11 is positioned through the second positioning member 60, in the actual operation process, the upper frame film 11 is provided with a positioning hole, and the upper frame film 11 penetrates through the second positioning member 60 through the positioning hole on the upper frame film, and is further positioned on the upper die holder 50; finally, the upper die holder 50 and the lower die holder 20 are assembled, and the second positioning member 60 abuts against the first positioning member 30 in the process of assembling the dies to position the upper frame film 11 relative to the exchange film 13. Therefore, the lower frame film 12 is positioned relative to the lower die holder 20, the exchange film 13 is positioned relative to the lower frame film 12, and the upper frame film 11 is positioned relative to the upper die holder 50 and the exchange film 13 respectively, so that the laminating precision of the membrane electrode is improved, the laminating area of the membrane electrode is reduced, and the cost of the fuel cell is finally reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a fuel cell membrane electrode laminating device, the membrane electrode after the laminating includes relative last frame membrane (11) and lower frame membrane (12) that set up, and paste tightly in go up frame membrane (11) with exchange membrane (13) between lower frame membrane (12), its characterized in that, the laminating device includes:
the lower die holder (20) is used for mounting the lower frame film (12), and a first positioning member (30) used for positioning the mounting position of the lower frame film (12) on the lower die holder (20) is connected to the lower die holder (20);
the attaching device further comprises a clamp (40) used for positioning the exchange membrane (13) coated with the catalyst and attaching the exchange membrane (13) to the lower frame membrane (12), the clamp (40) is positioned on the lower die holder (20) through the first positioning member (30) and is movably connected to the first positioning member (30), so that the exchange membrane (13) adsorbed on the clamp is positioned and attached to the upper surface of the lower frame membrane (12), the lower die holder (20) is further connected with a vacuum adsorption device used for vacuum adsorption of the exchange membrane (13), and the exchange membrane (13) is prevented from being disturbed in the process that the clamp (40) is separated from the lower die holder (20);
an upper die base (50) used for mounting the upper frame film (11) is arranged above the lower die base (20), a second positioning member (60) used for positioning the mounting position of the upper frame film (11) on the upper die base (50) is connected onto the upper die base (50), and the second positioning member (60) abuts against the first positioning member (30) in the die assembly process of the upper die base (50) and the lower die base (20) and the process of attaching the upper frame film (11) to the upper surface of the exchange membrane (13), so that the upper frame film (11) is positioned relative to the exchange membrane (13);
the bottom of the clamp (40) is provided with a first mounting surface (401) which is used for being attached to the exchange membrane (13) so as to mount the exchange membrane (13); a plurality of second adsorption holes (402) communicated with the first installation surface (401) are formed in the clamp (40), and the second adsorption holes (402) are connected with a vacuum adsorption device so as to adsorb the exchange membrane (13) and enable the exchange membrane (13) to be tightly attached to the first installation surface (401); the clamp (40) is also provided with a positioning hole which is used for penetrating the first positioning component (30) so as to position the clamp (40) relative to the lower die holder (20), and further improve the positioning precision of the exchange membrane (13) relative to the lower frame membrane (12); a second vacuum cavity is also arranged in the clamp (40), and is simultaneously communicated with the second adsorption hole (402) and the vacuum adsorption device; the clamp (40) further comprises two lugs oppositely arranged along the length direction of the clamp, each lug is provided with a positioning hole, and the clamp (40) penetrates through the first positioning component (30) through the positioning holes in the lugs so as to position the clamp (40) relative to the lower die holder (20).
2. The fuel cell membrane electrode assembly according to claim 1,
the top of the lower die holder (20) is provided with a lower supporting surface (201) which is used for being attached to the lower frame film (12) to support the lower frame film (12);
the lower die holder (20) is internally provided with a plurality of first adsorption holes (202) communicated with the lower supporting surface (201), and the first adsorption holes (202) are connected with the vacuum adsorption device so as to adsorb the exchange membrane (13) in a vacuum manner in the process that the clamp (40) is separated from the lower die holder (20) and in the process that the upper die holder (50) and the lower die holder (20) are assembled.
3. The fuel cell membrane electrode assembly according to claim 2,
the lower die holder (20) comprises a lower mounting plate (21) and a lower mounting die (22) fixedly connected to the lower mounting plate (21);
the top of the lower mounting die (22) is the lower supporting surface (201);
the first adsorption hole (202) is positioned on the lower mounting die (22), a first vacuum cavity (203) is further arranged in the lower mounting die (22), and the first vacuum cavity (203) is communicated with the first adsorption hole (202) and the vacuum adsorption device.
4. The fuel cell membrane electrode assembly according to claim 1,
a first mounting channel is arranged on the lower die holder (20);
the first positioning member (30) is arranged in the first installation channel along the axial direction of the first installation channel, and the free end of the first positioning member (30) extends out of the first installation channel and is used for being matched with an installation hole in the lower frame film (12) so as to position the installation position of the lower frame film (12) on the lower die holder (20).
5. The fuel cell membrane electrode assembly according to claim 1,
the bottom of the upper die holder (50) is provided with a second mounting surface (501) which is used for being attached to the upper frame film (11) to mount the upper frame film (11);
a plurality of third adsorption holes (502) communicated with the second mounting surface (501) are formed in the upper die holder (50), and the third adsorption holes (502) are connected with the vacuum adsorption device to adsorb the upper frame film (11) and enable the upper frame film (11) to be tightly attached to the second mounting surface (501).
6. The fuel cell membrane electrode assembly according to claim 5,
the upper die holder (50) comprises an upper mounting plate (51) and an upper mounting die (52) fixedly connected to the upper mounting plate (51);
the bottom of the upper mounting die (52) is the second mounting surface (501);
the third adsorption hole (502) is positioned on the upper mounting die (52), a third vacuum cavity (503) is further arranged in the upper mounting die (52), and the third vacuum cavity (503) is communicated with the third adsorption hole (502) and the vacuum adsorption device at the same time.
7. The fuel cell membrane electrode assembly according to claim 6,
the second mounting surface (501) is a horizontal surface; or
The upper mounting die (52) is a plastic part made of a plastic material capable of deforming under the action of external force, and the second mounting surface (501) is an inclined surface forming an included angle of 3-5 degrees with the exchange membrane (13).
8. The fuel cell membrane electrode assembly according to claim 1,
a second mounting channel is arranged on the upper die holder (50);
the second positioning member (60) is arranged in the second mounting channel along the axial direction of the second mounting channel, and the free end of the second positioning member (60) extends out of the second mounting channel and is used for being matched with a mounting hole in the upper frame film (11) so as to position the mounting position of the upper frame film (11) on the upper die holder (50).
9. The fuel cell membrane electrode assembly according to claim 1,
the fuel cell membrane electrode laminating device also comprises a heating component arranged in the lower die holder (20), and the heating component is used for heating the laminated upper frame membrane (11), the lower frame membrane (12) and the exchange membrane (13) so as to laminate the upper frame membrane (11), the lower frame membrane (12) and the exchange membrane (13) into the membrane electrode.
10. A fuel cell membrane electrode bonding method characterized by performing bonding operation using the fuel cell membrane electrode bonding apparatus according to any one of claims 1 to 9, comprising the steps of:
mounting a lower frame film (12) on a lower die holder (20), and positioning the lower frame film (12) through a first positioning member (30);
after a clamp (40) is used for positioning and adsorbing an exchange membrane (13) coated with a catalyst, the clamp (40) is positioned on the lower die holder (20) through the first positioning member (30) so that the exchange membrane (13) adsorbed on the clamp (40) is positioned and attached to the upper surface of the lower frame membrane (12);
starting a vacuum adsorption device to tightly suck the exchange membrane (13), and then separating the clamp (40) from the lower die holder (20);
installing an upper frame film (11) on an upper die holder (50), and positioning the upper frame film (11) through a second positioning member (60);
and (3) closing the upper die holder (50) and the lower die holder (20), and in the process of closing the dies, the second positioning member (60) abuts against the first positioning member (30) to position the upper frame film (11) relative to the exchange film (13).
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|---|---|---|---|---|
| CN109634465B (en) * | 2019-01-18 | 2023-09-26 | 广东省半导体产业技术研究院 | Full-lamination equipment and method |
| CN110125866B (en) * | 2019-05-30 | 2021-03-23 | 安徽元隽氢能源研究所有限公司 | Tooling for assembling MEA (membrane electrode assembly) and assembling method using tooling |
| CN110492156B (en) * | 2019-07-29 | 2023-08-08 | 格罗夫氢能源科技集团有限公司 | Fuel cell membrane electrode frame attaching device and method |
| CN110828850A (en) * | 2019-11-20 | 2020-02-21 | 浙江锋源氢能科技有限公司 | Seven-in-one membrane electrode packaging clamp and proton exchange membrane fuel cell |
| CN111009668A (en) * | 2019-12-23 | 2020-04-14 | 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） | Film electrode frame attaching method and attaching device |
| CN111048810B (en) * | 2019-12-25 | 2021-04-23 | 武汉理工氢电科技有限公司 | Method for producing fuel cell membrane electrode |
| TWI739475B (en) * | 2020-06-12 | 2021-09-11 | 群翌能源股份有限公司 | Assembling method of a membrane electrode assembling |
| CN112054231A (en) * | 2020-09-28 | 2020-12-08 | 福建亚南电机有限公司 | Tool and method for preparing membrane electrode assembly of fuel cell |
| CN113823811B (en) * | 2021-10-22 | 2024-09-17 | 上海亿氢科技有限公司 | Fuel cell membrane electrode frame vacuum lamination method and device |
| 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 |
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101071868A (en) * | 2007-05-29 | 2007-11-14 | 大连隆信工程塑料有限公司 | Method for integrating directalcohol fuel cell membrane electrode assembly with three functions structure |
| CN102569844A (en) * | 2012-01-17 | 2012-07-11 | 武汉理工新能源有限公司 | Alignment method for preparing membrane electrode sealing border of fuel cell |
| KR20120125797A (en) * | 2011-05-09 | 2012-11-19 | 현대자동차주식회사 | Hot press device for manufacturing membrane-electrode assembly of fuel cell |
| CN103715435A (en) * | 2013-12-26 | 2014-04-09 | 清华大学 | Frame sealing technology for polymer electrolyte membrane electrode |
| KR20160131747A (en) * | 2015-05-08 | 2016-11-16 | 현대자동차주식회사 | Membrane-electrode assembly manufacturing device of fuel cell |
| CN205810958U (en) * | 2016-06-03 | 2016-12-14 | 南京大学昆山创新研究院 | A kind of fuel cell membrane electrode hot pressing die |
| CN107171008A (en) * | 2017-04-25 | 2017-09-15 | 中国东方电气集团有限公司 | The preparation system of membrane electrode, the preparation method of membrane electrode and fuel cell |
| CN207097957U (en) * | 2017-05-04 | 2018-03-13 | 武汉喜玛拉雅光电科技股份有限公司 | A kind of encapsulating structure of fuel cell EMA components |
-
2018
- 2018-08-13 CN CN201810913135.5A patent/CN109216724B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101071868A (en) * | 2007-05-29 | 2007-11-14 | 大连隆信工程塑料有限公司 | Method for integrating directalcohol fuel cell membrane electrode assembly with three functions structure |
| KR20120125797A (en) * | 2011-05-09 | 2012-11-19 | 현대자동차주식회사 | Hot press device for manufacturing membrane-electrode assembly of fuel cell |
| CN102569844A (en) * | 2012-01-17 | 2012-07-11 | 武汉理工新能源有限公司 | Alignment method for preparing membrane electrode sealing border of fuel cell |
| CN103715435A (en) * | 2013-12-26 | 2014-04-09 | 清华大学 | Frame sealing technology for polymer electrolyte membrane electrode |
| KR20160131747A (en) * | 2015-05-08 | 2016-11-16 | 현대자동차주식회사 | Membrane-electrode assembly manufacturing device of fuel cell |
| CN205810958U (en) * | 2016-06-03 | 2016-12-14 | 南京大学昆山创新研究院 | A kind of fuel cell membrane electrode hot pressing die |
| CN107171008A (en) * | 2017-04-25 | 2017-09-15 | 中国东方电气集团有限公司 | The preparation system of membrane electrode, the preparation method of membrane electrode and fuel cell |
| CN207097957U (en) * | 2017-05-04 | 2018-03-13 | 武汉喜玛拉雅光电科技股份有限公司 | A kind of encapsulating structure of fuel cell EMA components |
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