CN103165906A - Microcosmic three-dimensional fuel cell membrane electrode - Google Patents
Microcosmic three-dimensional fuel cell membrane electrode Download PDFInfo
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- CN103165906A CN103165906A CN2013100966648A CN201310096664A CN103165906A CN 103165906 A CN103165906 A CN 103165906A CN 2013100966648 A CN2013100966648 A CN 2013100966648A CN 201310096664 A CN201310096664 A CN 201310096664A CN 103165906 A CN103165906 A CN 103165906A
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- proton exchange
- exchange membrane
- fuel cell
- microcosmic
- cell membrane
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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
Abstract
The invention relates to a microcosmic three-dimensional fuel cell membrane electrode comprising a proton exchange membrane and two electrodes which are located on and contacted with the two surfaces of the proton exchange membrane. The microcosmic three-dimensional fuel cell membrane electrode is characterized in that at least one surface of the proton exchange membrane is of a concave-convex profile structure, and the two electrodes are of contour profile structures which can be in full contact with the corresponding surfaces of the proton exchange membrane. The microcosmic three-dimensional fuel cell membrane electrode has the advantages that as at least one surface of the proton exchange membrane has the concave-convex profile structure, and the two electrodes have the corresponding contour profile structures, the circulation area of current is enlarged in a limited space on the basis of full contact between the proton exchange membrane and the electrodes.
Description
Technical field
The present invention relates to a kind of membrane electrode, particularly a kind of microcosmic three-dimensional fuel cell membrane electrode.
Background technology
Along with various technological progresses, economic development in the world, the requirement of large-scale production, higher quality of the life etc. all consume fast tellurian limited fossil energy large-scale, and are accompanied by the more and more serious environmental pollution of generation.Along with energy-saving and emission-reduction, to the requirements such as control of carbon emission amount, the development and utilization of the new forms of energy such as regenerative resource is taken seriously.And hydrogen fuel cell has exactly satisfied this requirement.Hydrogen fuel cell has following characteristics: energy conversion efficiency is high; Directly the chemical energy with fuel is converted into electric energy, and is middle without combustion process, thereby is not subjected to the restriction of Carnot cycle.Fuel-the energy conversion efficiency of fuel cell system is 45%～60%, and the efficient of thermal power generation and nuclear power is greatly about 30%～40%.And also have cleaning, pollution-free, noise is low, modular structure, modularity is strong, specific power is high, both can centrally connected power supply, also be fit to decentralized power supply.All pay much attention at present the research and development to fuel cell both at home and abroad, and obtained application in a lot of fields.The external peak load stations that practical application has been arranged, the fuel cell car of batch production is separately prepared to release in 2015 ~ 2016 years in each large automobile factory commercial city in the world; All prepare at the fuel-cell vehicle of releasing about 2015 more than 1000 as motor corporations such as BMW, Nissan, GM, Toyota, masses and upper vapour.Replace the stand-by power supply of lead-acid battery also in listing successively with fuel cell; Each large family expenses commercial appliance manufacturer also prepares to use portable fuel battery etc. one after another, and this will be a very huge market.The membrane electrode of battery core parts of acting as a fuel is the main direction of fuel cell research and development always, and its performance, life-span, cost are also that fuel cell is used and commercial principal element.Its power density, life-span, etc. improve constantly in recent years, the Pt carrying capacity constantly descends, but internal and overseas compares, and also has the quite poor distance.Therefore research and develop the fuel cell membrane electrode that structure is compacter, performance index are more increased imperative.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of compact conformation, microcosmic three-dimensional fuel cell membrane electrode that performance index are high.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of microcosmic three-dimensional fuel cell membrane electrode, comprise proton exchange membrane and be positioned at two surfaces of this proton exchange membrane and with the contacted electrode of Surface modification of proton exchange membrane, its innovative point is: described proton exchange membrane has at least a surface to adopt concavo-convex moulding surface structure; Described two electrodes all adopt the profiling moulding surface structure that can fully contact with side Surface modification of proton exchange membrane separately.
Further, the concavo-convex moulding surface structure of described proton exchange membrane is to be raised or sunken that lattice-like distributes.
Further, the concavo-convex moulding surface structure of described proton exchange membrane is the whole waveform that presents.
Further, described concavo-convex moulding surface structure concave, projection are 10 ~ 20um apart from the height of proton exchange membrane datum level.
The invention has the advantages that: proton exchange membrane has at least a surface to adopt concavo-convex moulding surface structure; Two electrodes all adopt profiling moulding surface structure correspondingly, and then are realizing increasing the circulation area of electric current on Surface modification of proton exchange membrane and basis that electrode fully contacts in limited space.
Description of drawings
Fig. 1 is the outline drawing of microcosmic three-dimensional fuel cell membrane electrode of the present invention the first embodiment.
Fig. 2 is the vertical view of microcosmic three-dimensional fuel cell membrane electrode of the present invention the first embodiment.
Fig. 3 is along A-A line profile in Fig. 2.
Fig. 4 is the end view of microcosmic three-dimensional fuel cell membrane electrode of the present invention the first embodiment.
Fig. 5 is the outline drawing of microcosmic three-dimensional fuel cell membrane electrode of the present invention the second embodiment.
Fig. 6 is the vertical view of microcosmic three-dimensional fuel cell membrane electrode of the present invention the second embodiment.
Fig. 7 is along A-A line profile in Fig. 6.
Fig. 8 is the end view of microcosmic three-dimensional fuel cell membrane electrode of the present invention the second embodiment.
Fig. 9 is the outline drawing of microcosmic three-dimensional fuel cell membrane electrode of the present invention the 3rd embodiment.
Figure 10 is the vertical view of microcosmic three-dimensional fuel cell membrane electrode of the present invention the 3rd embodiment.
Figure 11 is along A-A line profile in Fig. 6.
Figure 12 is the end view of microcosmic three-dimensional fuel cell membrane electrode of the present invention the 4th embodiment.
Figure 13 is the outline drawing of microcosmic three-dimensional fuel cell membrane electrode of the present invention the 4th embodiment.
Figure 14 is the vertical view of microcosmic three-dimensional fuel cell membrane electrode of the present invention the 4th embodiment.
Figure 15 is along A-A line profile in Figure 14.
Figure 16 is the end view of microcosmic three-dimensional fuel cell membrane electrode of the present invention the 4th embodiment.
Embodiment
In the present invention microcosmic three-dimensional fuel cell membrane electrode comprise proton exchange membrane 1 and be positioned at 1 two surfaces of this proton exchange membrane and with the surperficial contacted electrode of proton exchange membrane 1, and proton exchange membrane has at least a surface to adopt concavo-convex moulding surface structure; And two electrodes all adopt the profiling moulding surface structure that can fully contact with side Surface modification of proton exchange membrane separately.
The below is the proton exchange membrane example of the concavo-convex moulding surface structure of different shape:
Embodiment one
As shown in Fig. 1,2,3,4, in the present embodiment, the concavo-convex moulding surface structure of proton exchange membrane 1 is to be projection and the depression that lattice-like distributes, take the datum level of proton exchange membrane 1 as the boundary, the both sides of its datum level all arrange projection 11 and depression 12, and the projection 11 of datum level homonymy and 12 intervals of caving in arrange; Simultaneously, a surperficial face projection with it corresponding another surface cave in.
Embodiment two
As shown in Fig. 5,6,7,8, in the present embodiment, the concavo-convex moulding surface structure of proton exchange membrane 1 is similarly and is projection and the depression that lattice-like distributes, take the datum level of proton exchange membrane 1 as the boundary, one side surface of datum level all arranges some row projections 11, the setting of staggering between the projection 11 of adjacent columns, and the depression that the surface of datum level opposite side all arranges and projection is corresponding.
Embodiment three
As shown in Fig. 9,10,11,12, the present embodiment and embodiment one are basic identical, the concavo-convex moulding surface structure of its proton exchange membrane 1 is similarly and is projection and the depression that lattice-like distributes, take the datum level of proton exchange membrane 1 as the boundary, the both sides of its datum level all arrange projection 11 and depression 12, and the projection 11 of datum level homonymy and 12 intervals of caving in arrange.Difference is: projection 11 and depression 12 in the present embodiment are made of the type solid frame gusseted.
Embodiment four
As shown in Figure 13,14,15,16, the present embodiment and embodiment two are basic identical, the concavo-convex moulding surface structure of proton exchange membrane 1 is similarly and is projection and the depression that lattice-like distributes, take the datum level of proton exchange membrane 1 as the boundary, one side surface of datum level all arranges some row projections 11, the setting of staggering between the projection 11 of adjacent columns, and the depression that the surface of datum level opposite side all arranges and projection is corresponding.Difference is: the projection 11 in the present embodiment is made of the type solid frame gusseted.
The concavo-convex moulding surface structure concave of above-mentioned proton exchange membrane, projection are that 10 ~ 20um is better apart from the height of proton exchange membrane datum level.
The concavo-convex moulding surface structure that it will be understood by those skilled in the art that the proton exchange membrane in the present invention not only is confined to above-mentioned lattice-like projection and depression distribution, can be also waveform or other similar type that integral body presents, and just repeats no more here.
Claims (4)
1. microcosmic three-dimensional fuel cell membrane electrode, comprise proton exchange membrane and be positioned at two surfaces of this proton exchange membrane and with the contacted electrode of Surface modification of proton exchange membrane, it is characterized in that: described proton exchange membrane has at least a surface to adopt concavo-convex moulding surface structure; Described two electrodes all adopt the profiling moulding surface structure that can fully contact with side Surface modification of proton exchange membrane separately.
2. microcosmic three-dimensional fuel cell membrane electrode according to claim 1 is characterized in that: the concavo-convex moulding surface structure of described proton exchange membrane is to be raised or sunken that lattice-like distributes.
3. microcosmic three-dimensional fuel cell membrane electrode according to claim 1, is characterized in that: the waveform that the concavo-convex moulding surface structure of described proton exchange membrane presents for integral body.
4. according to claim 1,2 or 3 described microcosmic three-dimensional fuel cell membrane electrodes is characterized in that: described concavo-convex moulding surface structure concave, projection are 10 ~ 20um apart from the height of proton exchange membrane datum level.
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| CN2013100966648A CN103165906A (en) | 2013-03-25 | 2013-03-25 | Microcosmic three-dimensional fuel cell membrane electrode |
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| CN2013100966648A CN103165906A (en) | 2013-03-25 | 2013-03-25 | Microcosmic three-dimensional fuel cell membrane electrode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799491A (en) * | 2020-07-29 | 2020-10-20 | 江苏大学 | Fuel cell proton exchange membrane based on concave-convex composite microstructure |
| WO2022021833A1 (en) * | 2020-07-29 | 2022-02-03 | 江苏大学 | Fuel cell proton-exchanging membrane having micro textures and processing method therefor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005293923A (en) * | 2004-03-31 | 2005-10-20 | Seiko Epson Corp | Manufacturing method of membrane electrode junction, membrane electrode junction, fuel cell, and equipment |
| CN101473476A (en) * | 2006-06-26 | 2009-07-01 | 丰田自动车株式会社 | Method for producing electrolyte membrane for fuel cell and method for producing membrane-electrode assembly |
| CN203192912U (en) * | 2013-03-25 | 2013-09-11 | 南通百应能源有限公司 | Microcosmic three-dimensional fuel battery membrane electrode |
-
2013
- 2013-03-25 CN CN2013100966648A patent/CN103165906A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005293923A (en) * | 2004-03-31 | 2005-10-20 | Seiko Epson Corp | Manufacturing method of membrane electrode junction, membrane electrode junction, fuel cell, and equipment |
| CN101473476A (en) * | 2006-06-26 | 2009-07-01 | 丰田自动车株式会社 | Method for producing electrolyte membrane for fuel cell and method for producing membrane-electrode assembly |
| CN203192912U (en) * | 2013-03-25 | 2013-09-11 | 南通百应能源有限公司 | Microcosmic three-dimensional fuel battery membrane electrode |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799491A (en) * | 2020-07-29 | 2020-10-20 | 江苏大学 | Fuel cell proton exchange membrane based on concave-convex composite microstructure |
| CN111799491B (en) * | 2020-07-29 | 2021-06-22 | 江苏大学 | Fuel cell proton exchange membrane based on concave-convex composite microstructure |
| WO2022021833A1 (en) * | 2020-07-29 | 2022-02-03 | 江苏大学 | Fuel cell proton-exchanging membrane having micro textures and processing method therefor |
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Application publication date: 20130619 |