GB2408845A - A layer lamination integrated direct methanol fuel cell and a method of fabricating the same - Google Patents
A layer lamination integrated direct methanol fuel cell and a method of fabricating the same Download PDFInfo
- Publication number
- GB2408845A GB2408845A GB0425990A GB0425990A GB2408845A GB 2408845 A GB2408845 A GB 2408845A GB 0425990 A GB0425990 A GB 0425990A GB 0425990 A GB0425990 A GB 0425990A GB 2408845 A GB2408845 A GB 2408845A
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- United Kingdom
- Prior art keywords
- layer
- fuel cell
- pcb
- liquid
- electrode assembly
- Prior art date
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- Granted
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 239000000446 fuel Substances 0.000 title claims abstract description 57
- 238000003475 lamination Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000012528 membrane Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims description 22
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000002861 polymer material Substances 0.000 claims description 2
- 238000005304 joining Methods 0.000 claims 2
- 230000008569 process Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Classifications
-
- 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
- H01M8/0269—Separators, collectors or interconnectors including a printed circuit board
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
-
- 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
- H01M4/8605—Porous electrodes
-
- 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
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
- H01M8/1011—Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1097—Fuel cells applied on a support, e.g. miniature fuel cells deposited on silica supports
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fuel Cell (AREA)
Abstract
A method of fabricating a layer lamination integrated direct methanol fuel cell. The first step is to form a flow-channel/liquid-trench layer by using materials of a printed circuit board (PCB). The second step is to form a membrane electrode assembly layer. The third step is to form a controlling circuit layer by using PCB manufacturing process. The fourth step is to join the flow-channel/liquid-trench layer, the membrane electrode assembly layer, and the controlling circuit layer to form a layer lamination integrated direct methanol fuel cell.
Description
A LAYER LAMINATION INTEGRATED DIRECT METHANOL FUEL CELL
AND A METHOD OF FABRICATING THE SAME
FIELD OF THE INVENTION
The present invention relates to a method of fabricating a direct methanol fuel cell and in particular to a method of fabricating a layer lamination integrated direct methanol fuel cell by using printed circuit board (PCB) manufacturing process.
BACKGROUND OF THE INVENTION
A prior art has disclosed a direct methanol fuel cell system including a detector for methanol and a method of fabricating the same which have several disadvantages as following. (a) The circuit design is not included in the fuel cell, such that the whole fuel cell could not be manufactured in one step. (b) The designed micro-pipe results in manufacturing difficulty and the mass-producing problems. (c) It is difficult to control the concentration of methanol solution. There is no adjustment mechanism in the fuel cell. (d) The improper design in the cathode results that it is difficult for air or oxygen outside the cell to enter the cathode for reacting, which depends on the temperature and the pressure inside the cell.
Another prior art has disclosed a planar fuel cell and a structure of the planar fuel cell substrate which have several disadvantages as following. (a) The circuit design is not included in the fuel cell, such that the whole fuel cell could not be manufactured in one step. (b) Once the reaction begins, the reaction would not stop until the fuel material is exhausted. The reaction mechanism can not be controlled. (c) The improper design in the cathode results that it is difficult for air or oxygen outside the cell to enter the cathode for reacting, which depends on the temperature and the pressure inside the cell. (d) The reaction product could not be eliminated, such as H2O.
US patent no.5,631,099 discloses a surface replica fuel cell. However, there are still several disadvantages in this disclosed technology. (a) The structure is too complicated to fabricate. (b) It's difficult to eliminate the reaction products, such as H2O. (c) It's difficult to provide the necessary air or oxygen.
In order to overcome those disadvantages of prior art mentioned above, the present invention utilizes print circuit board (PCB) manufacturing process as well known to fabricate a layer lamination integrated direct methanol fuel cell.
SUMMARY OF THE INVENTION
Accordingly, an object of present the invention is to provide a method of fabricating a layer lamination integrated direct methanol fuel cell using print circuit board (PCB) manufacturing process.
Another object of the present invention is to provide a layer lamination integrated direct methanol fuel cell having light, thin, and small products.
To achieve the above objects, the present invention provides a method of fabricating a layer lamination integrated direct methanol fuel cell is provided. First, flow channels and liquid trenches are formed in a printed circuit board (PCB). Next, a membrane electrode assembly layer is formed. A controlling circuit layer is formed in another printed circuit board. Finally, the PCB with flow channels and liquid trenches, the membrane electrode assembly layer, and the PCB with the controlling circuit are joined sequentially to form a layer lamination integrated direct methanol fuel cell.
Further, to achieve the above objects, the present invention provides a layer lamination integrated direct methanol fuel cell, comprising the following means: a flow-channel/liquid-trench layer formed by materials of a printed circuit board (PCB); a membrane electrode assembly layer; and a controlling circuit layer formed by using PCB manufacturing process, wherein the flow-channel/liquid- trench layer, the membrane electrode assembly layer, and the controlling circuit layer are respectively manufactured and are joined together to form the layer lamination integrated direct methanol fuel cell.
Further, to achieve the above objects, the present invention provides a layer lamination integrated direct methanol fuel cell, comprising the following means: a - 4 - flow-channel/liquid-trench layer formed by materials of a printed circuit board (PCB); a membrane electrode assembly layer interposed between a controlling circuit layer and the flow-channel/liquid-trench layer; and the controlling circuit layer formed by using PCB manufacturing process and joined with the membrane electrode assembly layer.
BRIEF DESCRIPTION OF THE DRAWINGS
lo The present invention can be more fully understood by reading the subsequent detailed description and examples with references made to the accompanying drawings, wherein: FIG. 1 is a flowchart of fabricating a layer lamination integrated direct methanol fuel cell according to one embodiment of the present invention; FIG. 2 is an elevational view of a flow channel/liquid-trench layer according to one embodiment of the present invention; FIG. 3 is an elevational view of a membrane electrode assembly layer according to one embodiment of the present invention; FIG. 4 is an elevational view of a circuit controlling layer according to one embodiment of the present invention; and - 5 - FIG. 5 is an elevational view of a layer lamination integrated direct methanol fuel cell according to one embodiment of the present invention.
DETAILED DESCRIPTION OF THE INVENTION
A preferred embodiment of the present invention is now described with reference to the figures. The fabricating method 10 of the present invention is related to the layer lamination integrated direct methanol fuel cell 20 formation process. In accordance with the present invention, the print circuit board (PCB) is widely use for the material of the fuel cell, such as FR4. Compared to the method of fabricating the conventional fuel cell with high cost, the method of fabricating the fuel cell 20 according to the present invention has several advantages comprising easy manufacture, reduced cost, and fitting in with the modern product tendency.
In accordance with the present invention, there is no any change in the property of the direct methanol fuel cell 20, and the light, thin, short, and small fuel cell could be fabricated easily. It definitely provides extremely convenience for portable small electric products, such as mobile phones, personal digital assistances (PDA), smart phones, e-books, tablet personal computers, and note books (NB).
Fig. 1 shows a flowchart of fabricating a layer lamination integrated direct methanol fuel cell. The steps of the 6 - flowchart will be illustrated hereafter. In step 101, a flow- channel/liquid-trench layer 201 is formed in a printed circuit board (PCB) . In Fig. 2, the materials of the printed circuit board used in step 101 can comprise FR4. According to an preferable embodiment of the step 101 of the present invention, the flow channels 201a with a preferable depth of 1-10 mm are preferably formed in the FR4 substrate using a heat press machine, a laser molding equipment, and/or a CNC molding equipment. Next, the liquid trenches 201b are preferably formed in another substrate using a heat press machine, a laser molding equipment, and/or a CNC molding equipment. The flow channels 201a and liquid trenches 201b are preferably bonded together by an adhesive material. The adhesive material can comprise a glass fibre reinforced epoxy resin. Finally, the stacked low channels 201a and liquid trenches 201b are preferably pressed by a heat press machine at a temperature of about 130 C200 C under a pressure of about 5-50kg/cm2.
In step 103, a membrane electrode assembly layer 203 is formed. In Fig. 3, a material comprising Pt. Ru, or a combination thereof are coated on a proton exchange membrane and a polymer material. Next, the proton exchange membrane, a polymer catalytic layer, and a carbon paper or a carbon cloth are bonded by a glue to form the membrane electrode assembly layer 203. The material of the proton exchange membrane can be a DuPont Nation. The coating step can be embodiment by using polyimide printing process. The material comprising Pt. Ru, or a combination thereof comprising a certain concentration of Pt is preferably formed by metal vacuum evaporation, metal vacuum sputtering, or electricless electroplate. The concentration of Pt is preferably about 15mg/cm2. The concentration of Pt/Ru is preferably about llOmg/cm2.
The mixture of carbon, Teflon, and solvent is printed or pressed thereon. Therefore, the membrane electrode assembly 203 is complete. The membrane electrode assembly layer 203 can comprise a plurality of fuel cell units 203a.
In step 105, a controlling circuit layer 205 is formed using PCB manufacturing process in a PCB. A plurality of holes are formed on the PCB by conversional drilling technology. A first Cu layer with a thickness of about 1050 pinch is preferably coated on the PCB by electroplating. A second Cu layer with a thickness of about 200500 Pinch is then preferably coated on the first Cu layer by electroplating. Subsequently, after pressing, exposure, and development process, a Au layer with a thickness of about 310 pinch is preferably formed on the second Cu layer. According to the designed layout of the controlling circuit layer 205 which may comprise a plurality of electric devices, circuit lines, and current collection circuit, the PCB is etched, and a protective paint is coated on the PCB. The controlling circuit layer 205 is complete. The controlling circuit layer 205 can be a double-side printed circuit board (PCB) or a multi-layer printed circuit board. Furthermore, in order to fit the fuel cell units 203a formed on the membrane electrode assembly layer 203, a plurality of current collection circuit 205a corresponding to the fuel cell units 203a, 8 - respectively, are formed on the controlling circuit layer 205. The under side of each current collection circuit 205a is a hollow area 205c which is corresponding to the fuel cell unit 203a.
Finally, in step 107, the flow-channel/liquid-trench layer 201, the membrane electrode assembly layer 203, and the controlling circuit layer 205 are joined sequentially to form a layer lamination integrated direct methanol fuel cell 20. In Fig. 5, after the flow- channel/liquid-trench layer 201, the membrane electrode assembly layer 203, and the controlling circuit layer 205 are preferably stacked sequentially by an adhesive material or a glue through printing or stacking, the stacked layer lamination is pressed by the heat press machine to form the fuel cell 20. The adhesive material can be an epoxy. Furthermore, the step 107 of pressing can be performed at a temperature of about 80?-180? under a pressure of about 250kg/cm2.
Next, fixing holes (not shown) are preferably formed in flowchannel/liquid-trench layer 201, the membrane electrode assembly layer 203, and the controlling circuit layer 205, respectively. The layers 201, 203, 205 are then preferably bonded by a glue, a screw, or a nail via the fixing holes.
The flow-channel/liquid-trench 201 formed in step 101 provide not only a function of storage of the fuel and H2O but also the anode reaction area. The controlling circuit layer 205 formed in step 105, comprising a plurality of SMT electric device 205b and layout circuit, provides not : l 9 - only a function of mechatronics control but also the cathode reaction area.
The layer lamination integrated direct methanol fuel cell 20 in accordance with the present invention 10 substantially comprises the flow-channel/liquid-trench layer 201 fabricated from a printed circuit board (PCB), the membrane electrode assembly layer 203, and the controlling circuit layer 205 fabricated from another printed circuit board (PCB). After the layers 201, 203, 205 are fabricated respectively, all of them are joined to form the layer lamination integrated direct methanol fuel cell 20.
The layer lamination integrated direct methanol fuel cell in accordance with the present invention 10 comprises the flow-channel/liquid-trench layer 201 fabricated from a printed circuit board (PCB) and joined with the membrane electrode assembly layer 203, the controlling circuit layer 205 fabricated from another printed circuit board (PCB), and the membrane electrode assembly layer 203 interposed between the controlling circuit layer 205 and the flow-channel/liquid-trench 201.
The method 10 of fabricating the layer lamination integrated direct methanol fuel cell 20 in accordance with the present invention can provide several advantages as follow. Fist, the fuel cell is fabricated integratedly, such that the cost of materials and manufacture can be reduced effectively to fit in with economical efficiency.
Second, the method of fabricating the fuel cell 20 - 10 according to the present invention is suitable for mass- producing and provides standard processes. Third, it is convenient for the peripheral systems. Fourth, the life time of the fuel cell 20 according to the present invention is prolonged. Fifth, it is easy to get methanol fuel, and the methanol fuel can provide protection from corrosions and leakage. Sixth, it provides environmental protection. Seventh, it provides light, thin, and small properties.
While the invention has been described by way of example and in terms of the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. To the contrary, it is intended to cover various modifications and similar arrangements (as would be apparent to those skilled in the art).
Therefore, the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and similar arrangements. - 11
Claims (21)
- What is claimed is: 1. A method of fabricating a layer laminationintegrated direct methanol fuel cell, comprising: forming a flow-channel/liquid-trench layer by using materials of a printed circuit board (PCB); forming a membrane electrode assembly layer; forming a controlling circuit layer by using PCB manufacturing process; and joining the flow-channel/liquid-trench layer, the membrane electrode assembly layer, and the controlling circuit layer to form a layer lamination integrated direct methanol fuel cell.
- 2. A method as claimed in Claim 1, wherein the materials of the PCB comprise FR4.
- 3. A method as claimed in Claim 1 or Claim 2, wherein the step of forming the flow-channel/liquid-trench layer further comprises the following steps: forming the flow channels in a PCB substrate by using a heat press machine, a laser molding equipment, and/or a CNC molding equipment; forming the liquid trenches in another PCB substrate by using a heat press machine, a laser molding equipment, and/or a CNC molding equipment; bonding the substrate with flow channels and the substrate with liquid trenches by an adhesive material; and pressing the two substrates by a heat press machine. 12
- 4. A method as claimed in any preceding claim, wherein the depth of the flow channel is 1-lOmm.
- 5. A method as claimed in Claim 3, wherein the adhesive material comprises a glass fiber reinforced epoxy resin.
- 6. A method as claimed in Claim 3 or Claim 5, wherein the step of pressing is performed at a temperature of 130 C 200 C under a pressure of about 5-50kg/cm2.
- 7. A method as claimed in any preceding claim, wherein the step of forming the membrane electrode assembly layer further comprises the following steps: coating a material comprising Pt. Ru, or a combination thereof on a proton exchange membrane and a polymer material; and bonding the proton exchange membrane, the polymer catalytic layer, and a carbon paper or a carbon cloth by a glue to form the membrane electrode assembly layer.
- 8. A method as claimed in Claim 7, wherein the material of the proton exchange membrane comprises DuPont Nation.
- 9. A method as claimed in Claim 7 or Claim 8, wherein the concentration of Pt material is 15mg/cm2. - 13
- 10. A method as claimed in any one of Claims 7 to 9, wherein the concentration of the material comprising Pt and Ru is llOmg/cm2.
- 11. A method as claimed in any preceding claim, wherein the controlling circuit layer is a double-side print circuit board (PCB).
- 12. A method as claimed in any preceding claim, wherein the controlling circuit layer is a multi-layer print circuit board (PCB).
- 13. A method as claimed in any preceding claim, wherein the controlling circuit layer further comprises at least one print circuit board (PCB) and at least one electric device posited on the print circuit board (PCB).
- 14. A method as claimed in any preceding claim, wherein the step of joining further comprises the following steps: stacking he flowchannel/liquid-trench layer, the membrane electrode assembly layer, and the controlling circuit layer by a glue or an adhesive material to form a stacked layer lamination; pressing the stacked layer lamination by the heat press machine to form the layer lamination integrated direct methanol fuel cell.
- 15. A method as claimed in Claim 14, wherein the adhesive material is an epoxy. - 14
- 16. A method as claimed in Claim 14 or Claim 15, wherein the step of pressing is performed at a temperature of 80 C180 C under a pressure of 250kg/cm2.
- 17. A method as claimed in any preceding claim, further comprising the steps of: forming at least one fixing hole therein the flow channel/liquid-trench layer, the membrane electrode assembly layer, and the controlling circuit layer, respectively; and bonding the flowchannel/liquid-trench layer, the membrane electrode assembly layer, and the controlling circuit layer by a glue, a screw, or a nail via the fixing holes.
- 18. A layer lamination integrated direct methanol fuel cell, comprising: a flow-channel/liquid-trench layer, formed by materials of a printed circuit board (PCB); a membrane electrode assembly layer; and a controlling circuit layer, formed by using PCB manufacturing process, wherein the flow channel/liquid-trench layer, the membrane electrode assembly layer, and the controlling circuit layer are respectively manufactured and are joined together to form the layer lamination integrated direct methanol fuel cell.
- 19. A layer lamination integrated direct methanol fuel cell, comprising: 15 a flow-channel/liquid-trench layer, formed by materials of a printed circuit board (PCB); a membrane electrode assembly layer, interposed between a controlling circuit layer and the flow channel/liquid-trench layer; and the controlling circuit layer, formed by using PCB manufacturing process and joined with the membrane electrode assembly layer.
- 20. A layer lamination integrated direct methanol fuel cell substantially as herein described with reference to the accompanying drawings.
- 21. A method of fabricating a layer lamination integrated direct methanol fuel cell substantially as herein described with reference to the accompanying drawings.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW092133619A TWI232005B (en) | 2003-12-01 | 2003-12-01 | Manufacturing method of laminated type direct methanol fuel cell and laminated type direct methanol fuel cell |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB0425990D0 GB0425990D0 (en) | 2004-12-29 |
| GB2408845A true GB2408845A (en) | 2005-06-08 |
| GB2408845B GB2408845B (en) | 2006-09-06 |
Family
ID=33563341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0425990A Expired - Fee Related GB2408845B (en) | 2003-12-01 | 2004-11-26 | A layer lamination integrated direct methanol fuel cell and a method of fabricating the same |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB2408845B (en) |
| TW (1) | TWI232005B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1978582A1 (en) * | 2007-04-05 | 2008-10-08 | Atotech Deutschland Gmbh | Process for the preparation of electrodes for use in a fuel cell |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI398983B (en) * | 2010-04-28 | 2013-06-11 | Nat Univ Chin Yi Technology | Used in direct methanol fuel cell magnetic micro-pump and its direct methanol fuel cell |
| TWI407621B (en) * | 2010-09-01 | 2013-09-01 | Nat Univ Chin Yi Technology | Used in direct methanol fuel cell pneumatic micro-pump and its direct methanol fuel cell |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5631099A (en) * | 1995-09-21 | 1997-05-20 | Hockaday; Robert G. | Surface replica fuel cell |
| CA2277133A1 (en) * | 1997-01-06 | 1998-07-16 | Robert G. Hockaday | Surface replica fuel cell for micro fuel cell electrical power pack |
| US6541147B1 (en) * | 1998-07-01 | 2003-04-01 | Ballard Power Systems Inc. | Printed circuit board separator for an electrochemical fuel cell |
| WO2003085760A2 (en) * | 2002-04-11 | 2003-10-16 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Fuel cell system in the form of a printed circuit board |
| US20040224190A1 (en) * | 2002-05-09 | 2004-11-11 | Jun Sasahara | Fuel cell |
-
2003
- 2003-12-01 TW TW092133619A patent/TWI232005B/en not_active IP Right Cessation
-
2004
- 2004-11-26 GB GB0425990A patent/GB2408845B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5631099A (en) * | 1995-09-21 | 1997-05-20 | Hockaday; Robert G. | Surface replica fuel cell |
| CA2277133A1 (en) * | 1997-01-06 | 1998-07-16 | Robert G. Hockaday | Surface replica fuel cell for micro fuel cell electrical power pack |
| US6541147B1 (en) * | 1998-07-01 | 2003-04-01 | Ballard Power Systems Inc. | Printed circuit board separator for an electrochemical fuel cell |
| WO2003085760A2 (en) * | 2002-04-11 | 2003-10-16 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Fuel cell system in the form of a printed circuit board |
| US20040224190A1 (en) * | 2002-05-09 | 2004-11-11 | Jun Sasahara | Fuel cell |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1978582A1 (en) * | 2007-04-05 | 2008-10-08 | Atotech Deutschland Gmbh | Process for the preparation of electrodes for use in a fuel cell |
| WO2008122397A1 (en) * | 2007-04-05 | 2008-10-16 | Atotech Deutschland Gmbh | Process for the preparation of electrodes for use in a fuel cell |
| CN101652889B (en) * | 2007-04-05 | 2013-05-01 | 阿托特希德国有限公司 | Process for the preparation of electrodes for use in a fuel cell |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI232005B (en) | 2005-05-01 |
| GB2408845B (en) | 2006-09-06 |
| TW200520303A (en) | 2005-06-16 |
| GB0425990D0 (en) | 2004-12-29 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20091126 |