CN201038239Y - Fuel battery structure improvement - Google Patents
Fuel battery structure improvement Download PDFInfo
- Publication number
- CN201038239Y CN201038239Y CNU2007200054134U CN200720005413U CN201038239Y CN 201038239 Y CN201038239 Y CN 201038239Y CN U2007200054134 U CNU2007200054134 U CN U2007200054134U CN 200720005413 U CN200720005413 U CN 200720005413U CN 201038239 Y CN201038239 Y CN 201038239Y
- Authority
- CN
- China
- Prior art keywords
- conduction
- fuel cell
- perforation
- structural improvement
- mea
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Fuel Cell (AREA)
Abstract
The utility model relates to a structural modified fuel cell, comprising a conductive internal body, a membrane electrode group and a conductive external body, wherein, the conductive internal body is provided with an accommodating space inside, an open slot communicated with the accommodating space and a plurality of first through holes, which penetrate the inner and outer edges of the conductive internal body; the membrane electrode group coats the outer edge of the conductive internal body; the conductive external body coats outer edge of the membrane electrode group and is provided with a plurality of second through holes, which penetrate the inner and outer edges of the conductive external body. The simple structure of the conductive internal body and the conductive external body can reduce the difficulty of manufacturing and lower the manufacturing cost substantially. The active system or passive system can be chose according to the requirements of the user.
Description
Technical field
The utility model refers to a kind of fuel cell structure that can be applicable to kinds such as direct methanol fuel cell especially relevant for a kind of structural improvement of fuel cell.
Background technology
The energy is the key factor that promotes all economic activities; human society is visitd the energy and is grant and improved and improve the quality of living; fossil energy is (as oil; natural gas and coal etc.) be the highest energy of human usage ratio; secondly be nuclear energy; both all have suitable pollution and risk; and the consumption of fossil energy is very huge; the crisis of shortage has appearred; and fuel cell is obtained easily owing to having fuel; the generating efficiency height; advantages such as of many uses and low pollution; be the most valued new product in present many new forms of energy; in the structure of conventional fuel cell; usually in mea (MembraneElectrode Assembly, both sides MEA) respectively be provided with a flow-field plate for fuel and gas stream to mea to react.
Known Taiwan letters patent book number M292791 (date of declaration: on 06 21st, 2006) promptly discloses a kind of structure-improved of fuel cell flow field board.
But the structure-improved of above-mentioned known fuel cell flow field board has the planform complexity and causes the higher great disappearance of manufacturing cost, and this disappearance is having a strong impact on the profit of industry, and then hinders the universalness of fuel cell.
Therefore, the above-mentioned disappearance of this creator thoughts can be improved, and is that the spy concentrates on studies and cooperates the application of scientific principle, proposes a kind of reasonable in design and effectively improve the utility model of above-mentioned disappearance finally.
The utility model content
Main purpose of the present utility model is to provide a kind of structural improvement of fuel cell, can simplify the structure of fuel cell, to reduce manufacturing cost.
Another purpose of the present utility model is to provide a kind of structural improvement of fuel cell, can be suitable for initiatively (Active) and passive (Passive) system simultaneously, and the user can select initiatively or passive system according to actual demand.
In order to achieve the above object, the utility model provides a kind of structural improvement of fuel cell, comprising:
Body in one conduction, its inside has an accommodation space, and body has an open slot that communicates with this accommodation space in this conduction, and body has most first perforation in this conduction, and these first perforation run through this inside and outside edge in this conduction;
One mea, it coats body outer rim in this conduction; And
One conduction outer body, it coats this mea outer rim, and this conduction outer body has most second perforation, and these second perforation run through outer rim in this conduction outer body.
The utlity model has following beneficial effect:
Body and this conduction outer body can reduce the difficulty of making processing, and effectively significantly reduce manufacturing cost because of simple structure in this conduction.
In addition, the utility model can be suitable for initiatively or passive system simultaneously, and the user can be applied to the utility model initiatively or passive system according to actual demand, with the operation of powering.
For enabling further to understand feature of the present utility model and technology contents, see also following relevant detailed description of the present utility model and graphic, yet appended graphic only for reference and explanation usefulness is not to be used for the utility model is limited.
Description of drawings
Fig. 1 is the structure improved exploded view of the utility model fuel cell.
Figure 1A is the structural representation of second perforation of the utility model conduction outer body.
Fig. 2 is the profile of body in the conduction of the present utility model.
Fig. 3 is the structure improved constitutional diagram of the utility model fuel cell.
The primary clustering symbol description
Body in 1 conduction
11 accommodation spaces
12 open slots
13 first perforation
2 mea
3 conduction outer bodies
31 second perforation
32 connecting portions
321 screws, 322 screws
Embodiment
See also Fig. 1, Figure 1A and Fig. 2, the utility model provides a kind of structural improvement of fuel cell, comprising: body 1, a mea 2 and a conduction outer body 3 in the conduction.
Body 1 is a hollow column in this conduction, material with conductivity is one-body molded makes for it, or be sheathed on the multi-piece type combination (figure slightly) of the rubber parts of hollow columnar with the conductive material of hollow columnar, this conductive material can be metal or graphite, body 1 interior middle vacancy forms an accommodation space 11 in this conduction, the open slot 12 that body 1 has a circle that communicates with this accommodation space 11 in this conduction is for fuel such as filling methyl alcohol.Average mark is furnished with most first perforation 13 on the interior body 1 of this conduction, and these first perforation 13 are fine duct, and runs through outer rim in the interior body 1 of this conduction, to become the fuel flow channel for the fuel circulation.
This mea 2 is the lamellar body of deflection, the cylinder outer edge surface that is coated on body 1 in this conduction that it is whole or local, and cover these first perforation 13.The structure of this mea 2 (figure slightly) comprises a proton exchange membrane and is arranged at the anode catalyst layer and the cathode catalysts layer of these proton exchange membrane both sides respectively.
Metal net shaped structure or the metallic plate of this conduction outer body 3 for having conductivity, it has most second perforation 31, and these second perforation 31 run through outer rim in this conduction outer body 3, to become the gas flow of supplied gas circulation.Profile of this conduction outer body 3 is the lamellar body with these mea 2 corresponding moulding, these conduction outer body 3 relative two ends respectively are provided with a junction 32, have most screws 321 on this two connecting portion 32, for the combination that is spirally connected of most screws 322, the utility model does not limit the connected mode of this two connecting portion 32, also can weld or mode johning knot such as riveted joint should two connecting portions 32.
See also Fig. 3, after this mea 2 is coated on the outer rim of body 1 in this conduction, again it is arranged in this conduction outer body 3, and with these two connecting portions, 32 locking combinations, make this mea 2 together be matched with this conduction outer body 3 inner edges closely together with body 1 in this conduction that it coated by these screws 322.By this, polarity with body 1 in this conduction is anode, and the polarity of this conduction outer body 3 is negative electrode, and can fill methanol fuel in this accommodation space 11, and utilize methyl alcohol and air effectiveness respectively, thereby be transformed into electric energy with the operation of powering by this mea 2.In sum, can constitute a direct methanol fuel cell (Direct Methanol FuelCell, DMFC).
Can add driven unit such as armored pump on this open slot 12 to force driving fuel and gas stream is worn these first perforation 13 and these second perforation 31, react thereby arrive mea 2, to constitute an active fuel cell.Body 1 can utilize modes such as capillarity, gravity or natural diffusion in this conduction, makes fuel stream wear these first perforation 13, reacts thereby arrive mea 2, to constitute a passive type fuel cell.
Characteristics that can produce by the utility model and function through arrangement as after:
Body 1 and this conduction outer body 3 can reduce the difficulty of making processing, and effectively significantly reduce manufacturing cost because of simple structure in this conduction.
In addition, the utility model can be suitable for initiatively or passive system simultaneously, and the user can be applied to the utility model initiatively or passive system according to actual demand, with the operation of powering.
Each fuel cell is all independent setting, if breaking down wherein can find abort situation accurately, and get rid of at once at failure problems, is different from known stacking-type design, is difficult for detecting abort situation.
But the above only is preferred embodiment of the present utility model; non-meaning is limited to scope of patent protection of the present utility model; so the equivalence of using specification of the present utility model and graphic content to do such as changes, and all in like manner all is contained in the right protection scope of the present utility model, closes and gives Chen Ming.
Claims (8)
1. the structural improvement of a fuel cell is characterized in that, comprising:
Body in one conduction, its inside has an accommodation space, and body has an open slot that communicates with this accommodation space in this conduction, and body has most first perforation in this conduction, and these first perforation run through this inside and outside edge in this conduction;
One mea, it coats body outer rim in this conduction; And
One conduction outer body, it coats this mea outer rim, and this conduction outer body has most second perforation, and these second perforation run through outer rim in this conduction outer body.
2. the structural improvement of fuel cell as claimed in claim 1 is characterized in that: body is a hollow form cylinder in this conduction.
3. the structural improvement of fuel cell as claimed in claim 1 is characterized in that: ccontaining fuel in this accommodation space, these first perforation are fuel flow channel.
4. the structural improvement of fuel cell as claimed in claim 1, it is characterized in that: this mea has a proton exchange membrane, and these proton exchange membrane both sides are respectively arranged with an anode catalyst layer and a cathode catalysts layer.
5. the structural improvement of fuel cell as claimed in claim 1, it is characterized in that: this conduction outer body has two connecting portions, and this two connecting portion is arranged at these conduction outer body two ends respectively and is connected to each other combination.
6. the structural improvement of fuel cell as claimed in claim 1 is characterized in that: these second perforation are gas flow.
7. the structural improvement of fuel cell as claimed in claim 1 is characterized in that: body is formed in one or the multi-piece type combination in this conduction.
8. the structural improvement of fuel cell as claimed in claim 1 is characterized in that: this mea is with the whole or local body outer rim in this conduction that is coated on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200054134U CN201038239Y (en) | 2007-04-11 | 2007-04-11 | Fuel battery structure improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200054134U CN201038239Y (en) | 2007-04-11 | 2007-04-11 | Fuel battery structure improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201038239Y true CN201038239Y (en) | 2008-03-19 |
Family
ID=39210759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200054134U Expired - Fee Related CN201038239Y (en) | 2007-04-11 | 2007-04-11 | Fuel battery structure improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201038239Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130344A (en) * | 2010-01-14 | 2011-07-20 | 财团法人工业技术研究院 | Fuel cell flow field board and forming method thereof |
-
2007
- 2007-04-11 CN CNU2007200054134U patent/CN201038239Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130344A (en) * | 2010-01-14 | 2011-07-20 | 财团法人工业技术研究院 | Fuel cell flow field board and forming method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 Termination date: 20100411 |