CN101079485A - Lamination fuel cell - Google Patents
Lamination fuel cell Download PDFInfo
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- CN101079485A CN101079485A CNA2006100810945A CN200610081094A CN101079485A CN 101079485 A CN101079485 A CN 101079485A CN A2006100810945 A CNA2006100810945 A CN A2006100810945A CN 200610081094 A CN200610081094 A CN 200610081094A CN 101079485 A CN101079485 A CN 101079485A
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- fuel cell
- plate
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- lamination
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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 cascade fuel battery, which comprises the following parts: two single negative flow passage plates with the flat structure, more than a double-faced negative flow passage plates with the flat structure, more than a double-faced anode flow passage plates with the flat structure, wherein the double-faced negative flow passage plate, the double-faced anode flow passage plates and the bipolar fuel battery plate are the interlayer and equipped among the cascade fuel battery, the negative surface of two dipolar fuel battery plates at the most external sides of the cascade fuel battery is joint sealed with two single negative flow passage plates separately, the negative surface of the other dipolar fuel battery plate the interlayer of which is equipped on the cascade fuel battery is joint sealed with every double-faced negative flow passage plate separately, the anode surface of the dipolar fuel battery plate is joint sealed with every double-faced anode flow passage plate separately.
Description
Technical field
The present invention relates to a kind of fuel cell, particularly about a kind of lamination fuel cell.
Background technology
Known fuel cell is subject to the restriction of itself structure, for example known direct methanol fuel cell, strengthen its power output as desire, then must change its internal structure, except the quantity of the mea that increases direct methanol fuel cell, even other relevantly constitutes, for example flow field, also be must cooperate to change, the practice that this kind pulled one hair and move the whole body is to be main disappearance.
The another kind of practice is that the positive and negative electrode of known fuel cell that each is independent gives connection in series-parallel together, though this practice can be reached the output that strengthens overall power, yet each independently known fuel cell possess its original formation separately, fuel storage groove for example, therefore institute's its overall volume of connection in series-parallel fuel cell together jointly, too huge significantly, this is the major defect of this kind practice.
In order to overcome the shortcoming of the above-mentioned known practice, traditional stacking-type fuel cell is to be devised.The typical case of this class design is at U.S. Pat P5, and 200,278, USP5,252,410, USP5,360,679 and USP6, case discloses before 030,718 grade, though adopt the fuel cell of this known technology manufacturing can have than higher generating efficiency, but it forms complicated, make also and be not easy, cost is comparatively high, and is also higher to the requirement of the coupled system of periphery.
The fuel cell of another kind of conventional planar expansion also is devised, the typical case of this class design is at U.S. Pat P 5,631,099, USP5759712, USP6,127,058, USP6,387,559, USP6,497,975, and USP6,465, case discloses before 119 grades, adopt the fuel cell of this type of design can be applicable to thin little space, for small-sized electricity consumption product such as mobile phone, PDA, or the use of mobile computer is comparatively convenient, and lower for the cooperation degree of requirement of peripheral system, the advantage of produceability significantly improves than the stacking-type design, but its generated output of the fuel cell of this type of design is lower.
U.S. Pat P5,631,099 " surface replica fuel cell (Surface Replica Fuel Cell) ", disclosed the fuel cell that can comprise stacking-type and plane formula design, in other words, USP5,631,099 can improve the generating efficiency of fuel cell, and have benefits such as in light weight, easy to use, that spatial limitation is low in conjunction with the advantage of stacking-type and plane formula design.Yet USP5,631,099 still have complex structure and make to be difficult for, get rid of for reaction product (for example moisture content) be difficult for, for shortcomings such as the supply of air or oxygen are difficult for.
The inventor is because the shortcoming of above-mentioned known technology, be urgently to think improvement and invent a kind of lamination fuel cell, can be according to the design parameter of supply electric power, the lamination fuel cell that will meet this parameter is created, simultaneously lamination fuel cell system of the present invention and have easy to manufacture, cost is low, in light weight, easy to use, benefit such as spatial limitation is low.
Summary of the invention
First purpose of the present invention is that a kind of lamination fuel cell is provided, and allows light, thin, short, little fuel cell carry out in being easy to.
Second purpose of the present invention is that a kind of lamination fuel cell is provided, can be according to the design parameter of supply electric power, and the lamination fuel cell that will meet this parameter is created.
For reaching above-mentioned purpose of the present invention, the invention provides a kind of lamination fuel cell, is to comprise: two and be the single face cathode runner plate of slab construction, at least a slice above and be the two-sided cathode runner plate of slab construction, at least a slice above and be the two-sided anode flow channel plate of slab construction, a slice is above and be the bipolar fuel cell plate of slab construction at least.Two single face cathode runner plates are the outermost both sides that are arranged at lamination fuel cell respectively.Described two-sided cathode runner plate is that spacer interlayers is arranged between this lamination fuel cell.Described two-sided anode flow channel plate is that spacer interlayers is arranged between this lamination fuel cell.Described bipolar fuel cell plate is that spacer interlayers is arranged between this lamination fuel cell.Be arranged on outermost two those side surfaces of its negative electrode of bipolar fuel cell plate of lamination fuel cell, be to connect airtight respectively to be engaged in two single face cathode runner plates, and, interlayer is arranged on other that side surface of its negative electrode of described bipolar fuel cell plate of lamination fuel cell, be to connect airtight respectively to be engaged in the two-sided cathode runner plate of each sheet, and that side surface of its anode of the bipolar fuel cell plate of described interlayer is to connect airtight respectively to be engaged in the two-sided anode flow channel plate of each sheet.
Be familiar with this technology personage and understand purpose of the present invention, feature and effect for making,, and cooperate appended accompanying drawing now by following specific embodiment, to the present invention illustrate in detail as after.
Description of drawings
Fig. 1 shows the structural representation of lamination fuel cell of the present invention.
Fig. 2 shows the exploded view of lamination fuel cell embodiment of the present invention.
Fig. 3 shows the exploded view of bipolar fuel cell plate of the present invention.
Fig. 4 shows that the present invention has the stereogram of the single face cathode runner plate that anode fuel goes into/export.
Fig. 5 shows the stereogram of single face cathode runner plate of the present invention.
Fig. 6 shows the stereogram of the two-sided cathode runner plate of the present invention.
Fig. 7 shows the stereogram of the two-sided anode flow channel plate of the present invention.
Symbol description
10 lamination fuel cells, 20 fuel cells assembling unit
30 collector plates, 101,102 single face cathode runner plates
103 bipolar fuel cell plates, 104 two-sided anode flow channel plates
105 two-sided cathode runner plate 301 projections
1011 anode fuel inflow entrances, 1013 anode fuel flow exports
1031 mea, 1033 negative electrode clamping plate
1033a opening 1033b conducting strip
1033c negative electrode weld pad 1035 anode clamping plate
1035a opening 1035b conducting strip
1035c anode weld pad 1041 distributary divisions
1043 tap holes, 1,051 first through holes
1,053 second through holes
Embodiment
Fig. 1 shows the structural representation of lamination fuel cell of the present invention, and Fig. 2 shows the exploded view of lamination fuel cell embodiment of the present invention.Lamination fuel cell of the present invention (10) is to comprise: two and be the single face cathode runner plate (101), (102) of slab construction, at least a slice above and be the two-sided anode flow channel plate (104) of slab construction, a slice is above and be the two-sided cathode runner plate (105) of slab construction and a slice is above and be the bipolar fuel cell plate (103) of slab construction at least at least, and above-mentioned all members are given storehouse and connect airtight to engage being a slice one-board structure, as shown in Figure 1.Hereinafter with each member of key diagram 1.
At Fig. 1, the present invention defines fuel cell assembling unit (20) and is made up of first bipolar fuel cell plate (103), the two-sided anode flow channel plate of a slice (104), second bipolar fuel cell plate (103), the two-sided cathode runner plate of a slice (105), the 3rd bipolar fuel cell plate (103) in regular turn.The assembling mode of lamination fuel cell of the present invention is can be according to the requirement condition of supply electric power, a plurality of fuel cell assembling unit (20) that can reach this condition give storehouse together, and respectively storehouse single face cathode runner plate (101), (102) again in the outermost two sides utilize the pressing means that each member of storehouse is connected airtight joint.
Fig. 3 shows the exploded view of bipolar fuel cell plate of the present invention.Multi-disc bipolar fuel cell plate (103) is that spacer interlayers is arranged between the lamination fuel cell (10).Bipolar fuel cell plate (103) is to comprise: a slice negative electrode clamping plate (1033), at least more than one mea (1031), a slice anode clamping plate (1035), and described mea (1031) is that interlayer is fixed between negative electrode clamping plate (1033) and the anode clamping plate (1035).Negative electrode clamping plate (1033) are that more than one at least opening (1033a) is set, and the quantity that is provided with of described opening (1033a) is to be decided by the quantity of described mea (1031), and the area of opening (1033a) is to be slightly less than mea (1031) area.In like manner, anode clamping plate (1035) are that more than one at least opening (1035a) is set, and the quantity that is provided with of described opening (1035a) is to be decided by the quantity of described mea (1031), and the area of opening (1035a) is to be slightly less than mea (1031) area.
In Fig. 3, surface in negative electrode clamping plate (1033), it can be according to being chosen in upper surface or lower surface or upper and lower two surfaces, electronics wiring (1033b) is set, one end of wherein said electronics wiring (1033b) be respectively with the electric property of the negative electrode connection of corresponding described mea (1031), and another end is to be connected with described negative electrode weld pad (1033c) respectively, and described negative electrode weld pad (1033c) is the edges of boards that are arranged at negative electrode clamping plate (1033).In like manner, surface in anode clamping plate (1035), it can be according to being chosen in upper surface or lower surface or upper and lower two surfaces, electronics wiring (1035b) is set, one end of wherein said electronics wiring (1035b) be respectively with the electric property of the anode connection of corresponding described mea (1031), and the other end is to be connected with described anode weld pad (1035c) respectively, and described anode weld pad (1035c) is the edges of boards that are arranged at anode clamping plate (1035).
Negative electrode clamping plate (1033) are to select chemical resistance non-conductor engineering plastics substrate, plastics carbon base plate, FR4 substrate, FR5 substrate, epoxy resin substrate, glass substrate, ceramic substrate, macromolecule plasticizing substrate, combined type material substrate, printed circuit base material, Prepreg resin film etc. wherein a kind of with the base material of anode clamping plate (1035).
The specific embodiment of membrane electrode utmost point group of the present invention (1031) is to adopt the related known technology, for example can directly adopt the direct methyl alcohol membrane electrode utmost point group that is made by proton exchange membrane.
Fig. 4 shows that the present invention has the stereogram of the single face cathode runner plate that anode fuel goes into/export, and Fig. 5 shows the stereogram of single face cathode runner plate of the present invention.Two single face cathode runner plates (101), (102) are the outermost both sides that are arranged at lamination fuel cell respectively, and it has the side surface of flow passage structure single face cathode runner plate (101), (102), is to connect airtight with the negative electrode side surface of bipolar fuel cell plate (103) to engage.Slab construction can be arranged in single face cathode flow channels (101), (102), and digs at the upper surface of plate body and to establish many parallel grooves, (for example: channel air) to form negative electrode fuel.Air outside can enter from arrow A (seeing also the arrow label A of Fig. 4, Fig. 5), and the entrance area of single face cathode flow channels (101), (102) is to dig to be set as a small size sunk area, to allow air be able to smooth inflow.Air can circulate in described groove and enter to the described negative electrode of bipolar fuel cell plate (103), and last, remaining air and negative electrode product flow out from arrow B (seeing also the arrow label B of Fig. 4, Fig. 5).
In Fig. 4, the lower surface of single face cathode flow channels (101) is that anode fuel inflow entrance (1011) and anode fuel flow export (1013) are set, external anode fuel (for example: methanol aqueous solution) flow into the inside of lamination fuel cell (10) from anode fuel inflow entrance (1011), then, anode fuel can flow into every two-sided positive runner plate (104), at last, remaining anode fuel and anode product all flow out from anode fuel flow export (1013).
Fig. 6 shows the stereogram of the two-sided cathode runner plate of the present invention.The two-sided cathode runner plate of multi-disc (105) is that spacer interlayers is arranged between the lamination fuel cell (20).The upper surface of two-sided cathode runner plate (105) is to connect airtight with the negative electrode side surface of bipolar fuel cell plate (103) to engage, and, be to connect airtight with the negative electrode side surface of another sheet bipolar fuel cell plate (103) to engage with the lower surface of the two-sided cathode runner plate of a slice (105).Two-sided cathode flow channels (105) can be arranged to slab construction, and digs separately at upper surface, the lower surface of plate body and to establish many parallel grooves, (for example: channel air) to form negative electrode fuel.Air outside can enter from arrow A (seeing also the arrow label A of Fig. 6), and each entrance area on the upper and lower surface of two-sided cathode runner plate (105) is that adjacent digging is set as sunk area, hollow out zone, sunk area, to allow air be able to smooth inflow.Air can circulate in described groove and enter to the described negative electrode of bipolar fuel cell plate (103), and last, remaining air and negative electrode product flow out from arrow B (seeing also the arrow label B of Fig. 6).
First through hole (1051) of two-sided cathode runner plate (105) and second through hole (1053) be correspond respectively to single face cathode flow channels (101) anode fuel inflow entrance (1011) and anode fuel flow export (1013), simultaneously, and distributary division (1041) that corresponds respectively to two-sided anode flow channel plate (104) and tap hole (1043).Therefore, with regard to the structure of the lamination fuel cell (10) of the dull and stereotyped plate body of multi-disc of the present invention institute lamination storehouse, single anode fuel inflow entrance (1011), a plurality of first through hole (1051) and a plurality of distributary division (1041) are to be linked to be the little space that communicates together; And single anode fuel flow export (1013), a plurality of second through hole (1053), a plurality of tap hole (1043) are to be linked to be another the little space that communicates together.
Fig. 7 shows the stereogram of the two-sided anode flow channel plate of the present invention.The two-sided anode flow channel plate of multi-disc (104) is that spacer interlayers is arranged between the lamination fuel cell (20).The upper surface of two-sided anode flow channel plate (104) is to connect airtight with the anode side surface of bipolar fuel cell plate (103) to engage, and, be to connect airtight with the anode side surface of another sheet bipolar fuel cell plate (103) to engage with the lower surface of the two-sided anode flow channel plate of a slice (104).Two-sided anode flow channel plate (104) can be arranged to slab construction, and digs separately at upper surface, the lower surface of plate body and to establish many grooves and many cylindrical voids, (for example: channel methanol aqueous solution) to form anode fuel.
The distributary division (1041) of two-sided anode flow channel plate (104) is to be engraved structure with tap hole (1043).The external anode fuel that comes from anode fuel inflow entrance (1011) circulates in the distributary division (1041) of the two-sided anode flow channel plate (104) of first through hole (1051) of two-sided cathode runner plate (105) of each layer and each layer.Then, flow into the anode fuel of the distributary division (1041) of the two-sided anode flow channel plate of each layer (104), flow to again, and enter to the described anode of bipolar fuel cell plate (103) to the inner flow passage of the two-sided anode flow channel plate of each layer (104).At last, be positioned at remaining anode fuel of the two-sided anode flow channel plate of each layer (104) and anode product, be to flow to respectively that each laminar flow portals (1043), second through hole (1053) of the two-sided cathode runner plate (105) of each layer of flowing through again, at last, flow out to the outside from anode fuel flow export (1013).
Above-mentioned single face cathode runner plate (101), (102), two-sided cathode runner plate (105), two-sided anode flow channel plate (104) are that a plurality of collector plates (30) are set respectively.Described collector plate (30) is to be used for negative electrode or anode contact with corresponding bipolar fuel cell plate (103), and described collector plate (30) is to connect airtight respectively to be fixed on single face cathode runner plate (101), (102), two-sided cathode runner plate (105), two-sided anode flow channel plate (104).Described collector plate (30) can have at least more than one projection (301), and described projection (301) is to do the connection of electric property with above-mentioned corresponding electronics wiring (1033b), (1035b).The material of collector plate (30) is a kind of electric conducting material, and be the chemical resistance material of an anticorrosive and/or acid-proof simultaneously, it is wherein a kind of that for example it can select stainless steel (SUS316) sheet, goldleaf, titanium, a graphite material, a carbon metallization laminate material, metal alloy film and low-impedance conductive polymer sheet etc.
The base material of above-mentioned single face cathode runner plate (101), (102), two-sided cathode runner plate (105), two-sided anode flow channel plate (104) is to select a chemical resistance non-conductor engineering plastics substrate, graphite substrate, metal substrate, plastics carbon base plate, FR4 substrate, FR5 substrate, epoxy resin substrate, glass substrate, ceramic substrate, macromolecule plasticizing substrate and combined type material substrate etc. wherein a kind of.
Lamination fuel cell of the present invention (10) can come elasticity to adjust the quantity that is provided with of fuel cell assembling unit (20) according to supply electric power size, and this is one of advantage of the present invention.Simultaneously, the anode fuel of lamination fuel cell of the present invention (10) goes out/enters the mouth to adopt the design of single inlet and single outlet, simplified anode supply of fuel structure significantly, and this is one of advantage of the present invention.Because the present invention adopts the lamination type structure, and therefore, the present invention is easy to realize out light, thin, short, little fuel cell, this is one of advantage of the present invention again.
Though the present invention's specific embodiment discloses as above; right its disclosed specific embodiment is not in order to limit the present invention; anyly be familiar with this technical staff; without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations; its change of doing all belongs to category of the present invention with retouching, and protection scope of the present invention is worked as according to being as the criterion that claim defined.
Claims (9)
1. a lamination fuel cell is characterized in that, comprising:
Two and be the single face cathode runner plate of slab construction is the outermost both sides that are arranged at this lamination fuel cell respectively;
At least a slice is above and be the two-sided cathode runner plate of slab construction, is that spacer interlayers is arranged between this lamination fuel cell;
At least a slice is above and be the two-sided anode flow channel plate of slab construction, is that spacer interlayers is arranged between this lamination fuel cell;
At least a slice is above and be the bipolar fuel cell plate of slab construction, wherein is arranged on outermost two those side surfaces of its negative electrode of bipolar fuel cell plate of this lamination fuel cell, is to connect airtight respectively to be engaged in two single face cathode runner plates, and
Wherein interlayer is arranged on other that side surface of its negative electrode of described bipolar fuel cell plate of this lamination fuel cell, is to connect airtight respectively to be engaged in the two-sided cathode runner plate of each sheet, and
That side surface of its anode of the bipolar fuel cell plate of described interlayer is to connect airtight respectively to be engaged in the two-sided anode flow channel plate of each sheet.
2. lamination fuel cell as claimed in claim 1, it is characterized in that, this bipolar fuel cell plate is to comprise: a slice negative electrode clamping plate, at least more than one mea, a slice anode clamping plate, wherein said mea are that interlayer is fixed between these anode clamping plate of these negative electrode clamping plate.
3. lamination fuel cell as claimed in claim 2 is characterized in that, these negative electrode clamping plate are the openings that comprise at least more than one, and described opening is to correspond respectively to described mea.
4. lamination fuel cell as claimed in claim 2 is characterized in that, these anode clamping plate are the openings that comprise at least more than one, and described opening is to correspond respectively to described mea.
5. lamination fuel cell as claimed in claim 2 is characterized in that, these negative electrode clamping plate (1033) are to comprise:
Be arranged at least more than one conducting strip on this negative electrode clamping plate surface, wherein said conducting strip be respectively with the electric property of the negative electrode connection of corresponding described mea.
6. lamination fuel cell as claimed in claim 2 is characterized in that, these anode clamping plate are to comprise:
Be arranged at least more than one conducting strip on this anode clamping plate surface, wherein said conducting strip be respectively with the electric property of the anode connection of corresponding described mea.
7. lamination fuel cell as claimed in claim 1, it is characterized in that, this single face cathode runner plate, be that an anode fuel inlet further is set, and an anode fuel flow export, wherein this anode fuel inlet and anode fuel flow export are intended for the single gateway of anode fuel that this lamination fuel cell uses.
8. lamination fuel cell as claimed in claim 2, it is characterized in that, the base material of these negative electrode clamping plate is to select a chemical resistance non-conductor engineering plastics substrate, a plastics carbon base plate, a FR4 substrate, a FR5 substrate, an epoxy resin substrate, a glass substrate, a ceramic substrate, macromolecule plasticizing substrate, a combined type material substrate, a printed circuit base material, a Prepreg resin film etc. wherein a kind of.
9. lamination fuel cell as claimed in claim 2, it is characterized in that, the base material of these anode clamping plate is to select a chemical resistance non-conductor engineering plastics substrate, a plastics carbon base plate, a FR4 substrate, a FR5 substrate, an epoxy resin substrate, a glass substrate, a ceramic substrate, macromolecule plasticizing substrate, a combined type material substrate, a printed circuit base material, a Prepreg resin film etc. wherein a kind of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100810945A CN101079485A (en) | 2006-05-25 | 2006-05-25 | Lamination fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100810945A CN101079485A (en) | 2006-05-25 | 2006-05-25 | Lamination fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101079485A true CN101079485A (en) | 2007-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100810945A Pending CN101079485A (en) | 2006-05-25 | 2006-05-25 | Lamination fuel cell |
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| Country | Link |
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| CN (1) | CN101079485A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104733764A (en) * | 2013-12-24 | 2015-06-24 | 财团法人工业技术研究院 | Stacked fuel cell |
-
2006
- 2006-05-25 CN CNA2006100810945A patent/CN101079485A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104733764A (en) * | 2013-12-24 | 2015-06-24 | 财团法人工业技术研究院 | Stacked fuel cell |
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