CN110224152B - Fuel cell with double-sealing groove metal bipolar plate and silicon injection membrane electrode structure - Google Patents
Fuel cell with double-sealing groove metal bipolar plate and silicon injection membrane electrode structure Download PDFInfo
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- CN110224152B CN110224152B CN201910461155.8A CN201910461155A CN110224152B CN 110224152 B CN110224152 B CN 110224152B CN 201910461155 A CN201910461155 A CN 201910461155A CN 110224152 B CN110224152 B CN 110224152B
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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
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8657—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites layered
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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
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0206—Metals or alloys
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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
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
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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
- H01M8/0276—Sealing means characterised by their form
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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
- H01M8/0286—Processes for forming seals
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
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- 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
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Abstract
The utility model provides a fuel cell with double-seal groove metal bipolar plate and notes silica gel membrane electrode structure, establish ties by a plurality of monocells and constitute, the positive negative pole of two adjacent monocells is established ties and is constituteed bipolar plate, bipolar plate's anode plate is provided with positive pole board runner and the outer seal groove of anode plate and the inner seal groove of anode plate, bipolar plate's negative plate is provided with negative pole board runner and the outer seal groove of negative plate and the inner seal groove of negative plate, be provided with between anode plate and the negative plate and annotate the silica gel membrane electrode, annotate the design of silica gel and be provided with outer seal line of the double containment line integral type of silica gel membrane electrode, interior seal line, ooze the glue line, the outer seal line sets up and forms the outer seal ring between. The invention can completely isolate three fluid media of fuel, coolant and combustion improver to ensure enough sealing effect, improve the effective area ratio of the membrane electrode and prolong the service life of the membrane electrode.
Description
Technical Field
The invention belongs to the technical field of fuel cells, and particularly relates to a fuel cell with a double-seal groove metal bipolar plate and a silicon-injection membrane electrode structure.
Background
The main core components of the fuel cell are a Membrane Electrode (MEA) and a bipolar plate, wherein the Membrane Electrode mainly comprises a catalyst layer, a diffusion layer, a proton exchange Membrane, and the like, and the bipolar plate comprises a cathode plate and an anode plate. At present, a metal bipolar plate in a fuel cell is mostly sealed by a single sealing groove, wherein the single sealing groove means that the depth values of the sealing grooves are equal, but the number of turns of the sealing grooves is not equal.
The existing fuel cell has poor sealing performance, is easy to cause the problems of gas leakage and air leakage, and has lower effective area occupation ratio and shorter service life. Therefore, it is an urgent technical problem for those skilled in the art to provide a fuel cell that can overcome the above disadvantages of the prior art.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art, and provides a fuel cell with a double-seal groove metal bipolar plate and a silicon-impregnated membrane electrode structure, which completely isolates three fluid media, namely fuel, coolant and air to ensure that the fuel cell has enough sealing effect, improves the effective area ratio of a membrane electrode and prolongs the service life of the membrane electrode.
The technical problem of the invention is mainly solved by the following technical scheme:
the utility model provides a fuel cell with double containment groove metal bipolar plate and notes pellosil electrode structure, is established ties by a plurality of monocells and constitutes, and the positive negative pole of two adjacent monocells establishes ties and becomes bipolar plate, and bipolar plate comprises anode plate and negative plate, and the anode plate is the positive pole of monocell, and the negative plate is the negative pole of monocell, wherein:
an anode plate fuel inlet and outlet region, an anode plate coolant inlet and outlet region and an anode plate combustion improver inlet and outlet region are arranged at two ends of the anode plate, an anode plate flow channel is arranged among the anode plate fuel inlet and outlet region at one end of the anode plate, the anode plate coolant inlet and outlet region, the anode plate combustion improver inlet and outlet region at the other end of the anode plate, and the anode plate coolant inlet and outlet region and the anode plate combustion improver inlet and outlet region;
the two ends of the negative plate are provided with a negative plate fuel inlet and outlet area, a negative plate coolant inlet and outlet area and a negative plate combustion improver inlet and outlet area, a negative plate flow passage is arranged between the negative plate fuel inlet and outlet area at one end of the negative plate, the negative plate coolant inlet and outlet area, the negative plate combustion improver inlet and outlet area and the negative plate fuel inlet and outlet area at the other end of the negative plate, a circle of negative plate outer sealing grooves are formed in the negative plate, and a circle of negative plate inner sealing grooves are formed in the inner sides of the negative plate outer sealing grooves;
the outer sealing groove of the cathode plate is correspondingly overlapped with the outer sealing groove of the anode plate, the inner sealing groove of the cathode plate is correspondingly overlapped with the inner sealing groove of the anode plate, and the flow passage of the cathode plate is correspondingly overlapped with the flow passage of the anode plate;
a silica gel membrane electrode is arranged between the anode plate and the cathode plate, two ends of the silica gel membrane electrode are provided with a membrane electrode fuel area opening, a membrane electrode coolant area opening and a membrane electrode combustion improver area opening, the membrane electrode fuel area opening is correspondingly superposed with the anode plate fuel inlet and outlet area and the cathode plate fuel inlet and outlet area, the membrane electrode coolant area opening is correspondingly superposed with the anode plate coolant inlet and outlet area and the cathode plate coolant inlet and outlet area, the membrane electrode fuel area opening at one end of the silica gel membrane electrode, the membrane electrode coolant area opening, the membrane electrode combustion improver area opening, the membrane electrode fuel area opening at the other end of the silica gel membrane electrode, the membrane electrode coolant area opening and the combustion improver area opening are respectively provided with a proton membrane, a first carbon paper compounded on the front surface of the proton membrane and a second carbon paper compounded on the back surface of the proton membrane, the membrane electrode fuel area opening, the membrane electrode coolant area opening and the membrane electrode combustion improver area opening are respectively provided with an outer sealing line, an inner sealing line and a glue permeation line, silicon rubber is injected at the periphery of the proton membrane, the first carbon paper, the second carbon paper, the membrane electrode fuel area opening, the membrane electrode coolant area opening and the membrane electrode combustion improver area opening, the outer sealing line is arranged between an outer sealing groove of an anode plate and an outer sealing groove of a cathode plate to form an outer sealing ring, the inner sealing line is arranged between an inner sealing groove of the anode plate and an inner sealing groove of the cathode plate to form an inner sealing ring, the peripheral surface of the silica gel injection membrane electrode forms a protective film through the silicone rubber, the anode plate and the cathode plate are connected with the glue permeation line, and.
Furthermore, in the fuel cell with the double-seal-groove metal bipolar plate and the silica gel-injected membrane electrode structure, a plurality of anode plate inner seal ring fixing ridges are arranged in the anode plate inner seal groove, an anode plate medium inlet and outlet area support column is arranged in the area surrounded by one circle of anode plate inner seal groove, an anode plate inner support column is arranged between the anode plate outer seal groove and the anode plate inner seal groove, and an anode plate fuel guide column, an anode plate coolant guide column and an anode plate combustion improver guide column are arranged between the anode plate outer seal groove and the anode plate flow channel; be equipped with the fixed ridge of a plurality of negative plate inner seal circle in the negative plate inner seal groove, be equipped with negative plate medium import and export support column in the region enclosed by round negative plate inner seal groove, be equipped with the inside support column of negative plate between negative plate outer seal groove and the negative plate inner seal groove, be equipped with negative plate fuel water conservancy diversion post, negative plate coolant water conservancy diversion post, negative plate combustion improver water conservancy diversion post between negative plate outer seal groove and the negative plate runner.
Furthermore, in the fuel cell with the double-seal-groove metal bipolar plate and the silica gel membrane electrode structure, the fixing ridge of the inner seal ring of the cathode plate is contacted with the fixing ridge of the inner seal ring of the anode plate, and the supporting column inside the anode plate is contacted with the supporting column inside the cathode plate.
Furthermore, in the fuel cell with the double-sealed-groove metal bipolar plate and the silica gel membrane electrode structure, an anode plate fuel inlet and outlet area at one end of the anode plate and an anode plate fuel inlet and outlet area at the other end of the anode plate are arranged in a diagonal manner, an anode plate combustion improver inlet and outlet area at one end of the anode plate and an anode plate combustion improver inlet and outlet area at the other end of the anode plate are arranged in a diagonal manner, and an anode plate coolant inlet and outlet area at each end of the anode plate is arranged between the anode plate fuel inlet and outlet area and the anode; the negative plate fuel business turn over district of negative plate one end and the negative plate fuel business turn over district diagonal angle setting of the negative plate other end, the negative plate combustion improver business turn over district of negative plate one end and the negative plate combustion improver business turn over district diagonal angle setting of the negative plate other end, the negative plate coolant business turn over district of negative plate every end sets up between negative plate fuel business turn over district and negative plate combustion improver business turn over district.
Furthermore, in the fuel cell with the double-seal-groove metal bipolar plate and the silica gel membrane electrode structure, in the anode plate fuel inlet and outlet area, the periphery of the seal groove in the anode plate is provided with an anode plate fuel inlet, in the anode plate coolant inlet and outlet area, the periphery of the seal groove in the anode plate is provided with an anode plate coolant inlet, in the anode plate combustion improver inlet and outlet area, the periphery of the seal groove in the anode plate is provided with an anode plate combustion improver inlet; in negative plate fuel business turn over district, negative plate inner seal groove periphery is equipped with negative plate fuel import in the negative plate, and in negative plate coolant business turn over district, negative plate inner seal groove periphery is equipped with negative plate coolant import in the negative plate, and in negative plate combustion improver business turn over district, the negative plate inner seal groove periphery is equipped with negative plate combustion improver import.
Furthermore, in the fuel cell with the double-seal-groove metal bipolar plate and the silica gel membrane electrode structure, the anode plate fuel inlet and outlet area, the cathode plate fuel inlet and outlet area, the membrane electrode fuel area opening, the anode plate flow passage and the cathode plate flow passage form a fuel flow passage of the fuel cell together; the anode plate coolant inlet and outlet area, the cathode plate coolant inlet and outlet area, the membrane electrode coolant area opening, and the anode plate flow channel and the cathode plate flow channel form a coolant flow channel of the fuel cell together; the anode plate combustion improver inlet-outlet area, the cathode plate combustion improver inlet-outlet area, the membrane electrode combustion improver area opening, and the anode plate flow passage and the cathode plate flow passage form a combustion improver flow passage of the fuel cell together.
Furthermore, in the fuel cell with the double-sealing-groove metal bipolar plate and the silica gel membrane electrode structure, the fuel flow channel is communicated with the anode plate fuel inlet and the cathode plate fuel inlet, the coolant flow channel is communicated with the anode plate coolant inlet and the cathode plate coolant inlet, and the combustion improver flow channel is communicated with the anode plate combustion improver inlet and the cathode plate combustion improver inlet.
Furthermore, in the fuel cell with the double-seal-groove metal bipolar plate and the silica gel membrane electrode structure, the anode plate and the cathode plate are formed by stamping and molding metal plates, and the outer seal groove of the anode plate and the outer seal groove of the cathode plate are welded together in a wiping mode.
Adopt the fuel cell who has double-seal groove metal bipolar plate and notes silica gel membrane electrode structure of above-mentioned technical scheme, stamping forming metal polar plate is with low costs, the volume production is fast, cross convection current reactant is relatively even, go up into down go out, direct current channel drainage is effectual, welding type double-seal groove metal bipolar plate compact structure, the leakproofness is better, the design mainly lies in solving gas and gets across gas and leak gas the problem, can effectively improve working gas pressure, double-seal line integral type notes silica gel membrane electrode leakproofness is secure, the regional proportion of occupying of electrochemical reaction is higher, the assembly is simple. Therefore, the fuel cell with the double-sealing-groove metal bipolar plate and the silicon-impregnated membrane electrode structure can completely isolate three fluid media, namely fuel, coolant and combustion improver, so as to ensure that the fuel cell has enough sealing effect, improve the effective area ratio of the membrane electrode and prolong the service life of the membrane electrode.
Drawings
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic view of an assembly structure of a fuel cell having a dual-sealed-groove metal bipolar plate and a silicon-impregnated membrane electrode structure according to the present invention.
Fig. 2 (a), (b), and (c) are schematic plan views of an anode plate, a cathode plate, and a silicone membrane electrode disposed between the anode plate and the cathode plate, respectively, in the fuel cell having the structure of the metal bipolar plate with double sealing grooves and the silicone membrane electrode shown in fig. 1.
Fig. 3 is a partial structural schematic diagram of an anode plate in a fuel cell having a dual-sealed-groove metal bipolar plate and a silicon-impregnated membrane electrode structure according to the present invention.
Figure 4 is a schematic side view of the anode plate of figure 3 at a 45 deg. angle.
Fig. 5 is a partial structural schematic diagram of a cathode plate in a fuel cell having a dual-sealed-groove metal bipolar plate and a silica gel-impregnated membrane electrode structure according to the present invention.
Fig. 6 is a side 45 ° angle top view of the cathode plate of fig. 5.
Figure 7 is a partial cross-sectional view of a bipolar plate in a fuel cell having a dual-seal groove metal bipolar plate and a silicone impregnated membrane electrode structure of the present invention showing the fuel inlet.
Figure 8 is a partial cross-sectional view of a bipolar plate in a fuel cell having a dual-seal groove metal bipolar plate and a silicone impregnated membrane electrode structure of the present invention showing coolant inlets.
Fig. 9 is a partial cross-sectional view of a bipolar plate in a fuel cell having a dual-seal groove metal bipolar plate and a silica gel impregnated membrane electrode structure of the present invention showing an oxidizer inlet.
Fig. 10 is an exploded view of a silicone membrane electrode assembly in a fuel cell having a dual-sealed groove metal bipolar plate and a silicone membrane electrode assembly structure according to the present invention.
Fig. 11 is a partial schematic view of the assembly of the bipolar plate and the silicon injection membrane electrode in the fuel cell with the dual-sealed-groove metal bipolar plate and the silicon injection membrane electrode structure of the present invention, wherein one of the bipolar plates covering the membrane electrode is transparent for clarity.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the fuel cell with the double-sealed-groove metal bipolar plate and the silicon-impregnated membrane electrode structure of the invention is composed of a plurality of single cells connected in series, the positive and negative electrodes of two adjacent single cells are connected in series to form the bipolar plate 1, the bipolar plate 1 is composed of an anode plate and a cathode plate, the anode plate is the positive electrode of the single cell, the cathode plate is the negative electrode of the single cell, the anode plate and the cathode plate are superposed, and the silicon-impregnated membrane electrode 2 is arranged between the anode plate. Fig. 2 (a), (b), and (c) are schematic plan views showing an anode plate, a cathode plate, and a silicone-impregnated membrane electrode disposed between the anode plate and the cathode plate, respectively, in the fuel cell shown in fig. 1.
For example, the fuel cell is composed of n single cells connected in series, and comprises n silica gel-impregnated membrane electrodes 2 and n +1 bipolar plates 1.
As shown in fig. 3, 4 and 2 (a), the two ends of the anode plate are respectively provided with an anode plate fuel inlet and outlet area a, an anode plate coolant inlet and outlet area B and an anode plate combustion improver inlet and outlet area C, the anode plate fuel inlet and outlet area a at one end of the anode plate and the anode plate fuel inlet and outlet area a at the other end of the anode plate are arranged in a diagonal manner, the anode plate combustion improver inlet and outlet area C at one end of the anode plate and the anode plate combustion improver inlet and outlet area C at the other end of the anode plate are arranged in a diagonal manner, and the anode plate coolant inlet and outlet area B at each end of the anode plate is arranged between the anode. Therefore, an upper-in lower-out cross flow path of the fuel, an upper-in lower-out cross flow path of the combustion improver and a middle-in middle-out direct current path of the coolant can be formed, so that the reaction concentration of the fuel and the combustion improver is more uniform, the flow rate of the coolant in the middle of the bipolar plate is higher, and the cooling effect is better, thereby being more beneficial to the operation of the silicon-injection membrane electrode 2 and the whole fuel cell. An anode plate flow passage 38 is arranged between the anode plate fuel inlet-outlet area A at one end of the anode plate, the anode plate coolant inlet-outlet area B, the anode plate combustion improver inlet-outlet area C and the anode plate fuel inlet-outlet area A, the anode plate coolant inlet-outlet area B and the anode plate combustion improver inlet-outlet area C at the other end of the anode plate.
The basic structures of the anode plate fuel inlet and outlet area a, the anode plate coolant inlet and outlet area B, and the anode plate combustion improver inlet and outlet area C are similar, taking the anode plate fuel inlet and outlet area a as an example, as shown in fig. 3 and 4, the anode plate is provided with a circle of anode plate outer sealing groove 31, the inner side of the anode plate outer sealing groove 31 is provided with a circle of anode plate inner sealing groove 32, a plurality of anode plate inner sealing ring fixing ridges 33 are arranged in the anode plate inner sealing groove 32, an anode plate medium inlet and outlet area support pillar 34 is arranged in the area surrounded by the circle of anode plate inner sealing groove 32, and an anode plate inner support pillar 35 is arranged. In addition, an anode plate fuel guide post 36, an anode plate coolant guide post 37, and an anode plate oxidant guide post (not shown in fig. 3) are disposed between the anode plate outer seal groove 31 and the anode plate flow channel 38.
As shown in fig. 5 and 6 and (B) in fig. 2, both ends of the cathode plate are provided with a cathode plate fuel in-out area a ', a cathode plate coolant in-out area B', a cathode plate combustion improver in-out area C ', the cathode plate fuel in-out area a' at one end of the cathode plate and the cathode plate fuel in-out area a 'at the other end of the cathode plate are diagonally arranged, the cathode plate combustion improver in-out area C' at one end of the cathode plate and the cathode plate combustion improver in-out area C 'at the other end of the cathode plate are diagonally arranged, and the cathode plate coolant in-out area B' at each end of the cathode plate is arranged between the cathode plate fuel in-out. Therefore, an upper-in lower-out cross flow path of the fuel, an upper-in lower-out cross flow path of the combustion improver and a middle-in middle-out direct current path of the coolant can be formed, so that the reaction concentration of the fuel and the combustion improver is more uniform, the flow rate of the coolant in the middle of the bipolar plate is higher, and the cooling effect is better, thereby being more beneficial to the operation of the silicon-injection membrane electrode 2 and the whole fuel cell. A cathode plate flow passage 58 is arranged between the cathode plate fuel inlet and outlet area A 'at one end of the cathode plate, the cathode plate coolant inlet and outlet area B', the cathode plate combustion improver inlet and outlet area C 'and the cathode plate fuel inlet and outlet area A' at the other end of the cathode plate, the cathode plate coolant inlet and outlet area B 'and the cathode plate combustion improver inlet and outlet area C'.
The basic structure of the cathode plate fuel in-out area a ', the cathode plate coolant in-out area B', and the cathode plate combustion improver in-out area C 'is similar, taking the cathode plate combustion improver in-out area C' as an example, as shown in fig. 5 and 6, the cathode plate is provided with a circle of cathode plate outer sealing groove 51, the inner side of the cathode plate outer sealing groove 51 is provided with a circle of cathode plate inner sealing groove 52, a plurality of cathode plate inner sealing ring fixing ridges 53 are arranged in the cathode plate inner sealing groove 52, a cathode plate medium inlet and outlet support column 54 is arranged in an area enclosed by the circle of cathode plate inner sealing groove 52, and a cathode plate internal support column 55 is. In addition, a cathode plate oxidant guide column 56, a cathode plate coolant guide column 57, and a cathode plate fuel guide column (not shown in fig. 5) are disposed between the cathode plate outer seal groove 51 and the cathode plate flow passage 58.
Accordingly, as shown in fig. 2 (C), both ends of the silicone-impregnated membrane electrode 2 are provided with a membrane electrode fuel area opening a ", a membrane electrode coolant area opening B", and a membrane electrode oxidant area opening C ". After the anode plate, the cathode plate and the silica gel-injected membrane electrode are assembled, the anode plate fuel in-out area A, the anode plate coolant in-out area B, the anode plate combustion improver in-out area C, the cathode plate fuel in-out area A ', the cathode plate coolant in-out area B ', and the cathode plate combustion improver in-out area C ' are respectively and correspondingly superposed, and membrane electrode fuel area openings A ', membrane electrode coolant area openings B ', and membrane electrode agent area openings C ' arranged at two ends of the silica gel-injected membrane electrode 2 between the anode plate and the cathode plate are respectively and correspondingly superposed on the anode plate fuel in-out area A, the anode plate coolant in-out area B, the anode plate combustion improver in-out area C, the cathode plate fuel in-out area A ', the cathode plate coolant in-out area B ', and the combustion improver in-out area C ', meanwhile, the cathode plate outer 51 is correspondingly superposed with the anode plate outer sealing groove 31, the cathode plate inner sealing groove 52 and the anode plate inner sealing groove 32 are correspondingly overlapped, the cathode plate inner sealing ring fixing ridge 53 and the anode plate inner sealing ring fixing ridge 33 are mutually contacted, and the anode plate inner supporting column 35 and the cathode plate inner supporting column 55 are mutually contacted. Thus, as shown in fig. 11, the anode plate fuel inlet and outlet area a, the cathode plate fuel inlet and outlet area a ', the membrane electrode fuel area opening a ", and the anode plate flow channel 38 and the cathode plate flow channel 58 together form a fuel flow channel 104 of the fuel cell, the anode plate coolant inlet and outlet area B, the cathode plate coolant inlet and outlet area B ', the membrane electrode coolant area opening B", and the anode plate flow channel 38 and the cathode plate flow channel 58 together form a coolant flow channel 105 of the fuel cell, and the anode plate oxidant inlet and outlet area C, the cathode plate oxidant inlet and outlet area C ', the membrane electrode oxidant area opening C ", and the anode plate flow channel 38 and the cathode plate flow channel 58 together form an oxidant flow channel 106 of the fuel cell.
The specific structure of the fuel inlet/outlet region, the coolant inlet/outlet region, and the oxidant inlet/outlet region of the bipolar plate 1 will be briefly described below with reference to fig. 7, 8, and 9, taking the anode plate as an example. In the anode plate fuel inlet and outlet area A, an anode plate fuel inlet 70 is arranged on the periphery of the inner seal groove 32 of the anode plate, in the anode plate coolant inlet and outlet area B, an anode plate coolant inlet 80 is arranged on the periphery of the inner seal groove 32 of the anode plate, in the anode plate combustion improver inlet and outlet area C, an anode plate combustion improver inlet 90 is arranged on the periphery of the inner seal groove 32 of the anode plate, a fuel flow passage 104 is communicated with the anode plate fuel inlet 70, a coolant flow passage 105 is communicated with the anode plate coolant inlet 80, and a combustion improver flow passage 106 is communicated with the.
It goes without saying that the cathode plate is also provided with a corresponding cathode plate fuel inlet, a cathode plate coolant inlet, and a cathode plate combustion improver inlet. Namely: in the cathode plate fuel in-out area a ', a cathode plate fuel inlet is arranged at the periphery of the seal groove 52 in the cathode plate, in the cathode plate coolant in-out area B ', a cathode plate coolant inlet is arranged at the periphery of the seal groove 52 in the cathode plate, in the cathode plate combustion improver in-out area C ', a cathode plate combustion improver inlet is arranged at the periphery of the seal groove 52 in the cathode plate, and the cathode plate fuel inlet, the cathode plate coolant inlet and the cathode plate combustion improver inlet are also respectively communicated with the fuel runner 104, the coolant runner 105 and the combustion improver runner 106.
As shown in fig. 10 and (C) of fig. 2, the silicone-impregnated membrane electrode 2 is made in the same shape and size as the bipolar plate 1, and is provided at both ends with membrane electrode fuel area openings a ', membrane electrode coolant area openings B', and membrane electrode oxidant area openings C 'corresponding to the anode plate fuel inlet and outlet area a, the anode plate coolant inlet and outlet area B, the anode plate oxidant inlet and outlet area C, and the cathode plate fuel inlet and outlet area a', the coolant inlet and outlet area B ', the oxidant inlet and outlet area C'. A proton membrane 42, a first carbon paper 43 compounded on the front surface of the proton membrane 42, and a second carbon paper 44 compounded on the back surface of the proton membrane 42 are arranged between the membrane electrode fuel area opening A 'at one end of the silicon-impregnated membrane electrode 2, the membrane electrode coolant area opening B', the membrane electrode oxidant area opening C ', the membrane electrode fuel area opening A' at the other end of the silicon-impregnated membrane electrode 2, the membrane electrode coolant area opening B ', and the membrane electrode oxidant area opening C'.
In the fuel cell with the dual-seal-groove metal bipolar plate and the silicon-impregnated membrane electrode structure of the present invention, the silicon-impregnated membrane electrode 2 adopts a dual-seal-line integrated silicon-impregnated design, and the membrane electrode fuel area opening a ', the membrane electrode coolant area opening B ', and the membrane electrode oxidant area opening C ' of the silicon-impregnated membrane electrode 2 are all provided with an outer seal line 101, an inner seal line 102 and a glue permeation line 103, as shown in fig. 11. Silicone rubber is injected around the main structure formed by the proton membrane 42, the first carbon paper 43, the second carbon paper 44, and the membrane electrode fuel area opening a ", the membrane electrode coolant area opening B", and the membrane electrode oxidant area opening C "at both ends to prepare a double seal line integrated silicone injection membrane electrode 2. The silica gel membrane electrode 2 is arranged between an anode plate and a cathode plate of the bipolar plate 1, an outer sealing line 101 of the silica gel membrane electrode 2 is positioned between an outer sealing groove 31 of the anode plate and an outer sealing groove 51 of the cathode plate, an inner sealing line 102 of the silica gel membrane electrode 2 is positioned between an inner sealing groove 32 of the anode plate and an inner sealing groove 52 of the cathode plate, the outer sealing line 101 and the inner sealing line 102 are extruded to form an outer sealing ring and an inner sealing ring, and a protective film 107 is formed on the peripheral surface of the silica gel membrane electrode 2 through silicone rubber injection. The outer sealing line 101, the inner sealing line 102 and the protective film 107 connect the silicon-injected membrane electrode 2 to the bipolar plate 1 and isolate fuel, coolant and combustion improver. And the protective film 107 can relieve the impact of the air flow, so that the damage of the air flow to carbon paper and the like is relatively reduced, and the service life of the membrane electrode is prolonged. The glue permeating line 103 is a part where the silica gel is connected with the carbon paper, the proton membrane and the like, the anode plate and the cathode plate are respectively connected with the glue permeating line 103, and the glue permeating line 103 is connected with the conductor of the silicon-impregnated membrane electrode 2, so that the anode plate and the cathode plate are electrically connected.
In the fuel cell with the double-sealing-groove metal bipolar plate and the silica gel membrane electrode structure, as a specific implementation mode, the fuel is hydrogen, and the combustion improver is oxygen or air.
In the fuel cell with the double-seal-groove metal bipolar plate and the silica gel membrane electrode structure, as a specific implementation mode, the anode plate and the cathode plate are both formed by stamping and molding metal plates; the anode plate flow channel 38 and the cathode plate flow channel 58 are parallel straight flow channels, and the flow channel resistance is small, so that the flow of fuel, combustion improver and coolant is facilitated; the fuel and the combustion improver adopt cross flow paths from top to bottom, so that the reaction concentration is more uniform, and the coolant adopts a direct current path from middle to top, so that the coolant flow rate is higher and the cooling effect is better, thereby being more beneficial to the operation of the silicon-injection membrane electrode 2 and the whole fuel cell.
Preferably, the cathode plate and the anode plate are formed by punching a 316L-Ti coating plate with the thickness of 0.1mm, the outer sealing groove 31 of the anode plate and the outer sealing groove 51 of the cathode plate are welded together by a precise welding technology to form the bipolar plate 1, the outer sealing line 101 and the inner sealing line 102 of the silica gel membrane electrode 2 are extruded to form an outer sealing ring and an inner sealing ring, and the fuel flow passage 104, the coolant flow passage 105 and the combustion improver flow passage 106 are completely isolated, so that the problems of gas leakage and water leakage inside the bipolar plate 1 are solved, and the utilization rate of the effective surface of the bipolar plate 1 is greatly improved.
In the fuel cell with the double-sealing-groove metal bipolar plate and the silica gel injection membrane electrode structure, as a specific implementation mode, the silica gel injection membrane electrode 2 adopts a double-sealing-line integrated silica gel injection design, so that the structure is more compact, the sealing performance is stronger, the active area ratio is higher, the assembly is simple, the airflow impact can be relieved through the protective film 107, the damage of the airflow to carbon paper and the like is reduced, the service life of the membrane electrode is prolonged, the working air pressure can be effectively improved, the power generation power of a fuel cell stack is improved, and the volume and the weight of the fuel cell stack are effectively reduced.
In conclusion, the fuel cell with the double-sealing groove metal bipolar plate and the silicon injection membrane electrode structure has at least the following beneficial effects: stamping forming's bipolar plate is with low costs, the volume production is fast, fuel and combustion improver adopt the cross flow path of going into down, make reaction concentration more even, the direct current road footpath of going into in the coolant adoption goes out, make coolant flow rate higher, the cooling effect is more excellent, therefore more do benefit to annotate the work of silica gel membrane electrode and then whole fuel cell, two seal groove metal bipolar plate of welding type compact structure, the leakproofness is better, the problem of gas channeling and leaking is solved, can effectively improve working gas pressure, the silica gel membrane electrode leakproofness is guaranteed to the double-seal line integral type, the regional proportion of electrochemical reaction is higher, the assembly is simple.
It is noted that, herein, relational terms such as "first," "second," and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be further noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or alterations do not depart from the spirit of the invention.
Claims (7)
1. The utility model provides a fuel cell with double containment groove metal bipolar plate and notes pellosil electrode structure, is established ties by a plurality of monocells and constitutes, and the positive negative pole of two adjacent monocells establishes ties and becomes bipolar plate, and bipolar plate comprises anode plate and negative plate, and the anode plate is the positive pole of monocell, and the negative plate is the negative pole of monocell, its characterized in that:
an anode plate fuel inlet and outlet region, an anode plate coolant inlet and outlet region and an anode plate combustion improver inlet and outlet region are arranged at two ends of the anode plate, an anode plate flow channel is arranged among the anode plate fuel inlet and outlet region at one end of the anode plate, the anode plate coolant inlet and outlet region, the anode plate combustion improver inlet and outlet region at the other end of the anode plate, and the anode plate coolant inlet and outlet region and the anode plate combustion improver inlet and outlet region;
the two ends of the negative plate are provided with a negative plate fuel inlet and outlet area, a negative plate coolant inlet and outlet area and a negative plate combustion improver inlet and outlet area, a negative plate flow passage is arranged between the negative plate fuel inlet and outlet area at one end of the negative plate, the negative plate coolant inlet and outlet area, the negative plate combustion improver inlet and outlet area and the negative plate fuel inlet and outlet area at the other end of the negative plate, a circle of negative plate outer sealing grooves are formed in the negative plate, and a circle of negative plate inner sealing grooves are formed in the inner sides of the negative plate outer sealing grooves;
the outer sealing groove of the cathode plate is correspondingly overlapped with the outer sealing groove of the anode plate, the inner sealing groove of the cathode plate is correspondingly overlapped with the inner sealing groove of the anode plate, and the flow passage of the cathode plate is correspondingly overlapped with the flow passage of the anode plate;
a silica gel membrane electrode is arranged between the anode plate and the cathode plate, two ends of the silica gel membrane electrode are provided with a membrane electrode fuel area opening, a membrane electrode coolant area opening and a membrane electrode combustion improver area opening, the membrane electrode fuel area opening is correspondingly superposed with the anode plate fuel inlet and outlet area and the cathode plate fuel inlet and outlet area, the membrane electrode coolant area opening is correspondingly superposed with the anode plate coolant inlet and outlet area and the cathode plate coolant inlet and outlet area, the membrane electrode fuel area opening at one end of the silica gel membrane electrode, the membrane electrode coolant area opening, the membrane electrode combustion improver area opening, the membrane electrode fuel area opening at the other end of the silica gel membrane electrode, the membrane electrode coolant area opening and the combustion improver area opening are respectively provided with a proton membrane, a first carbon paper compounded on the front surface of the proton membrane and a second carbon paper compounded on the back surface of the proton membrane, the membrane electrode fuel area opening, the membrane electrode coolant area opening and the membrane electrode combustion improver area opening are respectively provided with an outer sealing line, an inner sealing line and a glue permeation line, silicon rubber is injected at the periphery of the proton membrane, the first carbon paper, the second carbon paper, the membrane electrode fuel area opening, the membrane electrode coolant area opening and the membrane electrode combustion improver area opening, the outer sealing line is arranged between an outer sealing groove of an anode plate and an outer sealing groove of a cathode plate to form an outer sealing ring, the inner sealing line is arranged between an inner sealing groove of the anode plate and an inner sealing groove of the cathode plate to form an inner sealing ring, the peripheral surface of the silica gel injection membrane electrode forms a protective film through the silicone rubber, the anode plate and the cathode plate are connected with the glue permeation line, and.
2. The fuel cell with the structure of the dual-seal groove metal bipolar plate and the silicon-impregnated membrane electrode according to claim 1, wherein:
a plurality of anode plate inner sealing ring fixing ridges are arranged in the anode plate inner sealing groove, an anode plate medium inlet and outlet area supporting column is arranged in an area surrounded by the circle of anode plate inner sealing groove, an anode plate inner supporting column is arranged between the anode plate outer sealing groove and the anode plate inner sealing groove, and an anode plate fuel flow guiding column, an anode plate coolant flow guiding column and an anode plate combustion improver flow guiding column are arranged between the anode plate outer sealing groove and the anode plate flow passage;
be equipped with the fixed ridge of a plurality of negative plate inner seal circle in the negative plate inner seal groove, be equipped with negative plate medium import and export support column in the region enclosed by round negative plate inner seal groove, be equipped with the inside support column of negative plate between negative plate outer seal groove and the negative plate inner seal groove, be equipped with negative plate fuel water conservancy diversion post, negative plate coolant water conservancy diversion post, negative plate combustion improver water conservancy diversion post between negative plate outer seal groove and the negative plate runner.
3. The fuel cell having a dual-seal groove metal bipolar plate and silicone-impregnated membrane electrode structure as claimed in claim 2, wherein: the fixing ridge of the inner sealing ring of the negative plate is contacted with the fixing ridge of the inner sealing ring of the positive plate, and the internal support column of the positive plate is contacted with the internal support column of the negative plate.
4. The fuel cell with the structure of the dual-seal groove metal bipolar plate and the silicon-impregnated membrane electrode according to claim 1, wherein:
the anode plate fuel inlet and outlet area at one end of the anode plate and the anode plate fuel inlet and outlet area at the other end of the anode plate are arranged in a diagonal manner, the anode plate combustion improver inlet and outlet area at one end of the anode plate and the anode plate combustion improver inlet and outlet area at the other end of the anode plate are arranged in a diagonal manner, and the anode plate coolant inlet and outlet area at each end of the anode plate is arranged between the anode plate fuel inlet and outlet area and the anode plate combustion;
the negative plate fuel business turn over district of negative plate one end and the negative plate fuel business turn over district diagonal angle setting of the negative plate other end, the negative plate combustion improver business turn over district of negative plate one end and the negative plate combustion improver business turn over district diagonal angle setting of the negative plate other end, the negative plate coolant business turn over district of negative plate every end sets up between negative plate fuel business turn over district and negative plate combustion improver business turn over district.
5. The fuel cell having a dual-seal-groove metal bipolar plate and silicone-impregnated membrane electrode structure as claimed in claim 4, wherein:
in the anode plate fuel inlet and outlet area, the periphery of the sealing groove in the anode plate is provided with an anode plate fuel inlet, in the anode plate coolant inlet and outlet area, the periphery of the sealing groove in the anode plate is provided with an anode plate coolant inlet, in the anode plate combustion improver inlet and outlet area, the periphery of the sealing groove in the anode plate is provided with an anode plate combustion improver inlet;
in negative plate fuel business turn over district, negative plate inner seal groove periphery is equipped with negative plate fuel import in the negative plate, and in negative plate coolant business turn over district, negative plate inner seal groove periphery is equipped with negative plate coolant import in the negative plate, and in negative plate combustion improver business turn over district, the negative plate inner seal groove periphery is equipped with negative plate combustion improver import.
6. The fuel cell with the structure of the dual-seal groove metal bipolar plate and the silicon-impregnated membrane electrode according to claim 5, wherein:
the anode plate fuel inlet and outlet area, the cathode plate fuel inlet and outlet area, the membrane electrode fuel area opening, and the anode plate flow channel and the cathode plate flow channel form a fuel flow channel of the fuel cell together;
the anode plate coolant inlet and outlet area, the cathode plate coolant inlet and outlet area, the membrane electrode coolant area opening, and the anode plate flow channel and the cathode plate flow channel form a coolant flow channel of the fuel cell together;
the anode plate combustion improver inlet-outlet area, the cathode plate combustion improver inlet-outlet area, the membrane electrode combustion improver area opening, and the anode plate flow passage and the cathode plate flow passage form a combustion improver flow passage of the fuel cell together.
7. The fuel cell with the structure of the dual-seal groove metal bipolar plate and the silicon-impregnated membrane electrode of claim 6, wherein: the fuel flow channel is communicated with the anode plate fuel inlet and the cathode plate fuel inlet, the coolant flow channel is communicated with the anode plate coolant inlet and the cathode plate coolant inlet, and the combustion improver flow channel is communicated with the anode plate combustion improver inlet and the cathode plate combustion improver inlet.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783600A (en) * | 2019-10-01 | 2020-02-11 | 深圳市世椿智能装备股份有限公司 | Double-adhesive-tape dispensing method for hydrogen fuel cell electrode plate |
| CN111952623A (en) * | 2020-07-16 | 2020-11-17 | 合肥工业大学 | Bipolar plate of fuel cell |
| CN114512691B (en) * | 2022-02-16 | 2023-04-07 | 安徽瑞氢动力科技有限公司 | Be applicable to point and glue shaping bipolar plate seal groove structure |
| CN114497621B (en) * | 2022-02-17 | 2023-12-22 | 中星慧业新能源科技(北京)有限公司 | Double-sided sealing material for multifunctional fuel cell |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1771621A (en) * | 2003-06-02 | 2006-05-10 | 燃料电池动力有限公司 | A sealing structure forpolymer electrolyte fuel cell |
| CN101752587A (en) * | 2008-12-04 | 2010-06-23 | 上海空间电源研究所 | Preparation method for integrated fuel battery of metal bipolar plate and sealing piece |
| CN101807700A (en) * | 2010-04-15 | 2010-08-18 | 昆山弗尔赛能源有限公司 | Fuel cell bi-polar plate with compound sealed structure and manufacturing method thereof |
| CN102074718A (en) * | 2009-11-19 | 2011-05-25 | 上海空间电源研究所 | Integrated regenerative fuel cell structure |
| CN204333122U (en) * | 2014-12-22 | 2015-05-13 | 新源动力股份有限公司 | A kind ofly be applicable to the hermetically-sealed construction that thin bipolar plates has limit function |
| CN205904062U (en) * | 2016-07-07 | 2017-01-25 | 苏州氢洁电源科技有限公司 | Sealing device is glued to fuel cell bipolar plate's point |
| CN107968212A (en) * | 2016-10-20 | 2018-04-27 | 通用汽车环球科技运作有限责任公司 | Bipolar plates and its manufacture method for fuel cell |
| CN108448146A (en) * | 2018-04-02 | 2018-08-24 | 上海交通大学 | A kind of redox flow batteries electric pile structure of veneer frame |
| CN208173711U (en) * | 2017-12-29 | 2018-11-30 | 上海神力科技有限公司 | A kind of fuel cell pile with whole completely sealed structure |
| CN109585876A (en) * | 2019-01-21 | 2019-04-05 | 深圳市南科燃料电池有限公司 | Fuel battery double plates sealing structure and encapsulating method |
| CN208722997U (en) * | 2018-08-30 | 2019-04-09 | 北京新研创能科技有限公司 | A kind of fuel battery double plates |
| CN109728320A (en) * | 2018-11-27 | 2019-05-07 | 清华大学 | A kind of fuel cell efficient full frame flow field bipolar plates and its battery pile |
-
2019
- 2019-05-30 CN CN201910461155.8A patent/CN110224152B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1771621A (en) * | 2003-06-02 | 2006-05-10 | 燃料电池动力有限公司 | A sealing structure forpolymer electrolyte fuel cell |
| CN101752587A (en) * | 2008-12-04 | 2010-06-23 | 上海空间电源研究所 | Preparation method for integrated fuel battery of metal bipolar plate and sealing piece |
| CN102074718A (en) * | 2009-11-19 | 2011-05-25 | 上海空间电源研究所 | Integrated regenerative fuel cell structure |
| CN101807700A (en) * | 2010-04-15 | 2010-08-18 | 昆山弗尔赛能源有限公司 | Fuel cell bi-polar plate with compound sealed structure and manufacturing method thereof |
| CN204333122U (en) * | 2014-12-22 | 2015-05-13 | 新源动力股份有限公司 | A kind ofly be applicable to the hermetically-sealed construction that thin bipolar plates has limit function |
| CN205904062U (en) * | 2016-07-07 | 2017-01-25 | 苏州氢洁电源科技有限公司 | Sealing device is glued to fuel cell bipolar plate's point |
| CN107968212A (en) * | 2016-10-20 | 2018-04-27 | 通用汽车环球科技运作有限责任公司 | Bipolar plates and its manufacture method for fuel cell |
| CN208173711U (en) * | 2017-12-29 | 2018-11-30 | 上海神力科技有限公司 | A kind of fuel cell pile with whole completely sealed structure |
| CN108448146A (en) * | 2018-04-02 | 2018-08-24 | 上海交通大学 | A kind of redox flow batteries electric pile structure of veneer frame |
| CN208722997U (en) * | 2018-08-30 | 2019-04-09 | 北京新研创能科技有限公司 | A kind of fuel battery double plates |
| CN109728320A (en) * | 2018-11-27 | 2019-05-07 | 清华大学 | A kind of fuel cell efficient full frame flow field bipolar plates and its battery pile |
| CN109585876A (en) * | 2019-01-21 | 2019-04-05 | 深圳市南科燃料电池有限公司 | Fuel battery double plates sealing structure and encapsulating method |
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