CN1315219C - Method for making lamination integrated direct methanol fuel battery and direct methanol fuel battery - Google Patents
Method for making lamination integrated direct methanol fuel battery and direct methanol fuel battery Download PDFInfo
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- CN1315219C CN1315219C CNB2003101230553A CN200310123055A CN1315219C CN 1315219 C CN1315219 C CN 1315219C CN B2003101230553 A CNB2003101230553 A CN B2003101230553A CN 200310123055 A CN200310123055 A CN 200310123055A CN 1315219 C CN1315219 C CN 1315219C
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- control circuit
- solution tank
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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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Abstract
The present invention relates to a method for making a lamination integrated direct methanol fuel cell and a direct methanol fuel cell. The method comprises the following steps: making and shaping a flow passage tank /solution tank layer by using the material of a printed circuit board; making a mass transfer electrolyte layer; making a control circuit layer by using a making program of the printed circuit board; jointing the flow passage tank /solution tank layer, the mass transfer electrolyte layer, the control circuit layer, etc. which are respectively made into the lamination integrated direct methanol fuel cell. The direct methanol fuel cell comprises the flow passage tank /solution tank layer which is made and shaped by the material of the printed circuit board, and the mass transfer electrolyte layer and the control circuit layer which are made by using the making program of the printed circuit board, wherein individual layers of the flow passage tank /solution tank layer, the mass transfer electrolyte layer, the control circuit layer, etc. are respectively made, and then, the flow passage tank /solution tank layer, the mass transfer electrolyte layer and the control circuit layer are jointed into the lamination integrated direct methanol fuel cell.
Description
Technical field
The invention relates to a kind of manufacture method of direct methanol fuel cell, it is particularly about a kind of process technique of utilizing printed circuit board (PCB), make the manufacture method of lamination integration type direct methanol fuel cell, and implement the made direct methanol fuel cell of the inventive method.
Background technology
No. the 90129665th, Taiwan application for a patent for invention case " direct methanol fuel cell system and the method for making that comprise an integration methanol sensor ", though instructed direct methanol fuel cell system and method for making, yet still have following deficiency: (a), fuel cell itself do not comprise dynamo-electric design, fail one-body molded design.(b), the design of microfluid pipeline, the volume production difficulty takes place in the phenomenon that can cause processing to be difficult for.(c), really methanol aqueous solution before reaction with reacted concentration, no correction mechanism.(d), the design of cathodic reaction zone is bad, can be because temperature inside and pressure react and can't allow outside ozone or oxygen enter cathodic reaction zone.
No. the 88210246th, Taiwan application for a patent for invention case " flat fuel cell and cell substrates structure thereof ", though instructed structure technology about flat fuel cell, yet still have following deficiency: (a), fuel cell itself do not comprise dynamo-electric design, fail one-body molded design.(b) in case fuel reacts, must after fuel consumption is intact, just can stop reaction, uncontrollable.(c), the design of cathodic reaction zone is bad, can be because temperature inside and pressure react and can't allow outside ozone or oxygen enter cathodic reaction zone.(d), the water that is generated after the reaction is not processed.
U.S. Pat P5,631,099 " fuel cell of surperficial reduction print (SurfaceReplica Fuel Cell) ", though instructed correlation technique about fuel cell, still have following deficiency: (a), complex structure and be difficult for making.(b), reaction product is got rid of and is difficult for, for example promptly difficult eliminating of water reaction product.(c), the supply of needed air or oxygen is difficult for.
The inventor urgently thinks the invention improvement in view of the deficiency of above-mentioned known technology, so invent out a kind of process technique of utilizing printed circuit board (PCB), realize the making of lamination integration type direct methanol fuel cell.
Summary of the invention
Main purpose of the present invention provides a kind of manufacture method of lamination integration type direct methanol fuel cell, and it utilizes the process technique of printed circuit board (PCB), and the lamination integration type direct methanol fuel cell is made.
Another object of the present invention provides a kind of lamination integration type direct methanol fuel cell that meets characteristic such as light, thin, short, little.
For reaching above-mentioned purpose of the present invention, the invention provides a kind of manufacture method of lamination integration type direct methanol fuel cell, comprise the following steps: to use the material material of printed circuit board (PCB), make molding flow path groove/solution tank layer; Make the mass transfer dielectric substrate; Utilize the processing procedure of printed circuit board (PCB), make the control circuit layer; Each layers such as flow path groove/solution tank layer, mass transfer dielectric substrate and control circuit layer with made respectively comes out are bonded into the lamination integration type direct methanol fuel cell.
Moreover, for reaching above-mentioned purpose of the present invention, the invention provides a kind of lamination integration type direct methanol fuel cell, comprising: flow path groove/solution tank layer is to use the material material of printed circuit board (PCB) and makes moulding; The mass transfer dielectric substrate; The control circuit layer is to utilize the processing procedure of printed circuit board (PCB) and produce; Wherein each layers such as other flow path groove/solution tank layer, mass transfer dielectric substrate and control circuit layer are to make respectively, each layer are bonded into the lamination integration type direct methanol fuel cell again.
Moreover, for reaching above-mentioned purpose of the present invention, the invention provides a kind of lamination integration type direct methanol fuel cell, comprising: flow path groove/solution tank layer is to use the material material of printed circuit board (PCB) and makes moulding, and engages with the mass transfer dielectric substrate; The mass transfer dielectric substrate is that interlayer is between flow path groove/solution tank layer and control circuit layer; This control circuit layer is to utilize the processing procedure of printed circuit board (PCB) and produce, and engages with the mass transfer dielectric substrate.
Description of drawings
Fig. 1 shows the flow chart of the manufacture method of lamination integration type direct methanol fuel cell of the present invention.
Fig. 2 shows the structure chart of the flow path groove/solution tank layer that utilizes the inventive method made.
Fig. 3 shows the structure chart of the mass transfer dielectric substrate that utilizes the inventive method made.
Fig. 4 shows the structure chart of the control circuit layer that utilizes the inventive method made.
Fig. 5 shows the structure chart of the lamination integration type direct methanol fuel cell of utilizing the inventive method made.
Among the figure
10 manufacture methods
20 lamination integration type direct methanol fuel cell
101,103,105,107 steps
201 flow path grooves/solution tank layer
The 201a flow path groove
The 201b solution tank
203 mass transfer dielectric substrates
The 203a cell of fuel cell
205 control circuit layers
205a current collection circuit
The 205b electronic building brick
205c hollow out zone
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.
Embodiment
Manufacture method 10 of the present invention is used for making lamination integration type direct methanol fuel cell 20, implement manufacture method 10 of the present invention, greatly partly only to utilize the material material of printed circuit board (PCB) (PCB), it for example is polymethyl methacrylate fibre base plate (FR4), need use the material of higher cost compared to the production method of known fuel cell, the present invention obviously possesses the advantage of making handling ease, economic cost of manufacture, also meets product trend now.
The inventive method 10 is the characteristics that need not change former direct methanol fuel cell fully, and makes the lamination integration type direct methanol fuel cell 20 that meets characteristic such as light, thin, short, little at an easy rate.This is for portable small-sized electricity consumption product, the for example power supply of mobile phone, personal digital aid (PDA) (PDA), smart phone (SMART Phone), e-book (E-Book), flat computer (Tablet PC) and mobile computer (Note Book PC) or the like, the present invention can give it convenient greatly.
Fig. 1 shows the flow chart of the manufacture method of lamination integration type direct methanol fuel cell of the present invention, hereinafter each step of being comprised of illustration method 10 respectively.Step (101) is to use the material material of printed circuit board (PCB), makes to mold flow path groove/solution tank layer 201.Please cooperate the structure chart that shows the flow path groove/solution tank layer 201 that utilizes the inventive method made referring to Fig. 2, the material material of employed printed circuit board (PCB) can be polymethyl methacrylate fibre base plate (FR4) in step (101), the means of specific implementation step of the present invention (101), be to utilize hot press, laser make-up machine, CNC make-up machine or the like machinery equipment, polymethyl methacrylate fibre base plate (FR4) is molded the groove that the degree of depth is a desired depth, with as flow path groove 201a, and the desired depth of flow path groove 201a can be between 1 ~ 10mm.And then with hot press, laser make-up machine, CNC make-up machine or the like machinery equipment, mold solution tank 201b, utilize at last and stick together medium for sticking together flow path groove 201a and solution tank 201b, after superimposed, deliver to and carry out pressing in the hot press, the operating environment of pressing can be with hot press be set in temperature between 130 ℃ ~ 200 ℃ and pressure between 5 ~ 50kg/cm
2Between under carry out pressing.The medium that sticks together that medium can use epoxy resin combined fiberglass (prepreg) that sticks together in step (101).
Step (103) is to make mass transfer dielectric substrate 203.Please cooperate the structure chart that shows the mass transfer dielectric substrate 203 that utilizes the inventive method made referring to Fig. 3, the means of specific implementation step of the present invention (103), be behind platinum (the Pt)/ruthenium (Ru) of platinum (Pt) that is coated with (coating) last predetermined concentration on proton exchange membrane and the macromolecular material respectively and predetermined concentration, utilize the gummed means that proton exchange membrane, polymer catalyst layer and carbon paper/carbon cloth is formed mass transfer dielectric substrate 203.The material of proton exchange membrane can be selected the Nafion of Du Pont (DoPont Nafion) material for use, carries out and the means that are coated with (coating) can adopt the mode of high molecular polymer printing (Polyimide Printing).For example adopt metal vacuum evaporation mode, go out predetermined concentration between 1 ~ 5mg/cm with evaporation
2Between platinum (Pt), and evaporation goes out predetermined concentration between 1 ~ 10mg/cm
2Between platinum (Pt)/ruthenium (Ru).For example adopt the metal vacuum sputter again), perhaps means such as metal electroless plating are finished the coating operation of platinum (Pt) Yu platinum (the Pt)/ruthenium (Ru) of above-mentioned predetermined concentration.Again to adopt the means of screen printing, not imperial (Teflon), solvent compounding substances such as (Solvent) of carbon dust, iron in the printing, perhaps adopt the pressing plate printing means, not imperial (Teflon), solvent compounding substances such as (Solvent) of carbon dust, iron in the printing is even if this finishes the making of mass transfer dielectric substrate 203.Via the method for producing of step (103), mass transfer dielectric substrate 203 can include a plurality of cell of fuel cell 203a.
Step (105) is the processing procedure that utilizes printed circuit board (PCB), makes control circuit layer 205.Please cooperate the structure chart that shows the control circuit layer 205 that utilizes the inventive method made referring to Fig. 4, the means of specific implementation step of the present invention (105), be after adopting in the traditional PCB processing procedure boring, on the electric plating of whole board after the chemical copper of for example about 10 ~ 50 μ inches (inch), the copper of 200 ~ 500 μ inches (inch) for example in the re-plating, again with the press mold operation, exposure operation, after the development operation, in the re-plating for example behind the gold of 3 ~ 10 μ inches (inch), according to the circuit of putting that control circuit layer 205 is afraid of, the circuit of forming by a plurality of SMT electronic building brick 205b for example, wiring route, current collection circuit or the like circuit, design etched goes out circuit and the green lacquer of solder-mask printing, carry out circuit test at last, even if this control circuit layer of finishing 205 is made.Through the control circuit layer 205 that step (105) made comes out, can be double-sided printed-circuit board, or multilayer board.Simultaneously control circuit layer 205 is in order to cooperate on the mass transfer dielectric substrate 203 a plurality of cell of fuel cell 203a at the joint of step (107), on control circuit layer 205, can form the current collection circuit 205a of respectively corresponding each cell of fuel cell 203a, and the lower end of current collection circuit 205a is the hollow out zone 205c for corresponding each cell of fuel cell 203a.
Step (107) is each layers such as flow path groove/solution tank layer 201, mass transfer dielectric substrate 203 and control circuit layer 205 that made is respectively come out, and is bonded into lamination integration type direct methanol fuel cell 20.Please cooperate the structure chart that shows the lamination integration type direct methanol fuel cell 20 of utilizing the inventive method made referring to the 5th figure, the means of specific implementation step of the present invention (107), be to utilize to stick together medium with printing or the superimposed means of film, each stacked unification such as flow path groove/solution tank layer 201, mass transfer dielectric substrate 203 and control circuit layer 205 is risen, utilize hot press to carry out pressing after superimposed again, produce lamination integration type direct methanol fuel cell 20 by this.In the operating environment of the pressing of step (107), can be with hot press be set in temperature between 80 ℃ ~ 200 ℃ and pressure between 2 ~ 50kg/cm
2Between under carry out pressing, and at the medium that sticks together that medium can use epoxy resin (Epoxy) that sticks together of step (107).
Moreover, the inventive method 10 is when making three layers on flow path groove/solution tank 201, mass transfer dielectric substrate 203 and control circuit layer 205 etc. respectively, and make fixing hole (figure does not show) respectively at each layer, fixing hole by each layer, with three layers on flow path groove/solution tank 201, mass transfer dielectric substrate 203 and control circuit layer 205 etc., adopt that fourth of the twelve Earthly Branches splice grafting closes, screw engages or bind to glued joint and close or the like engagement means and engaged together.
Through flow path groove/solution tank layer 201 that step of the present invention (101) made comes out, it provides the function in the accumulator tank district of fuel that fuel cell need possess and water, and the function in anode reaction district.Control circuit layer 205 through step of the present invention (105) made comes out except that having a plurality of SMT electronic building brick 205b and wiring route, provides outside the function of Electromechanical Control, and the function of fuel battery negative pole reaction zone still is provided.
The lamination integration type direct methanol fuel cell 20 of implementing the inventive method 10 includes at least: flow path groove/solution tank layer 201 is to use the material material of printed circuit board (PCB) and makes moulding; Mass transfer dielectric substrate 203; And control circuit layer 205 is to utilize the processing procedure of printed circuit board (PCB) and produce; Wherein each layers such as other flow path groove/solution tank layer 201, mass transfer dielectric substrate 203 and control circuit layer 205 can be made respectively, each layer are bonded into lamination integration type direct methanol fuel cell 20 again.
The lamination integration type direct methanol fuel cell 20 of implementing the inventive method 10 includes at least: flow path groove/solution tank layer 201 is to use the material material of printed circuit board (PCB) and makes moulding, and engages with mass transfer dielectric substrate 203; Mass transfer dielectric substrate 203 is that interlayer is between flow path groove/solution tank layer 201 and control circuit layer 205; Control circuit layer 205 is to utilize the processing procedure of printed circuit board (PCB) and produce, and engages with mass transfer dielectric substrate 203.
The inventive method 10 and lamination integration type direct methanol fuel cell 20 possess following advantage are arranged:
1. the conformability manufacturing cost meets economic benefit with the cost of material is low.
2. applicable to the volume production processing procedure, the tool standardization.
3. the cooperation degree of requirement for peripheral system is low.
4. the spendable time is longer.
5. methanol fuel is obtained conveniently, has anticorrosive property again, anti-ly leaks, anti-gas-leak.
6. have an environmental protection characteristic.
7. frivolous little spatial character.
The material material of printed circuit board (PCB) used in the present invention is to illustrate that as disclosing the present invention is not a limitation with the polymethyl methacrylate fibre base plate with polymethyl methacrylate fibre base plate (FR4).
Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; when doing a little change and retouching, the change of doing still belongs within the appended claim protection range of the present invention with retouching.
Claims (19)
1. the manufacture method of a lamination integration type direct methanol fuel cell comprises the following steps:
(A). use the material material of printed circuit board (PCB), make molding a flow path groove and solution tank layer
(B). make a mass transfer dielectric substrate;
(C). utilize the processing procedure of printed circuit board (PCB), make a control circuit layer;
(D). this flow path groove and solution tank layer, this mass transfer dielectric substrate and this each layer of control circuit layer of coming out of made respectively is bonded into a lamination integration type direct methanol fuel cell.
2. manufacture method as claimed in claim 1, wherein the material material of the printed circuit board (PCB) of this step (A) is a polymethyl methacrylate fibre base plate.
3. manufacture method as claimed in claim 2, wherein the making of this step (A) molds the step of this flow path groove and solution tank layer, be to utilize hot press, laser make-up machine or CNC make-up machine, it is that the groove of a desired depth is as this flow path groove that this polymethyl methacrylate fibre base plate is molded the degree of depth, and then mold this solution tank with hot press, laser make-up machine or CNC make-up machine, utilize one to stick together medium at last, after coinciding, deliver to and carry out pressing in the hot press for sticking together this flow path groove and this solution tank.
4. manufacture method as claimed in claim 3, wherein this desired depth is between 1 ~ 10mm.
5. manufacture method as claimed in claim 3, wherein this sticks together the medium that sticks together that medium is an epoxy resin combined fiberglass.
6. manufacture method as claimed in claim 3, wherein this delivers to the step of carrying out pressing in the hot press after coinciding, be with this hot press be set in temperature between 130 ℃ ~ 200 ℃ and pressure between 5 ~ 50kg/cm
2Between hot press carry out pressing.
7. manufacture method as claimed in claim 1, the step of this mass transfer dielectric substrate of making of this step (B) wherein, be behind the Pt/Ru of a Pt that is coated with a predetermined concentration on a proton exchange membrane and the macromolecular material respectively and a predetermined concentration, utilize the gummed means that this proton exchange membrane, a polymer catalyst layer and one carbon paper/carbon cloth is formed the mass transfer dielectric substrate.
8. manufacture method as claimed in claim 7, wherein this proton exchange membrane comprises the Nafion of a Du Pont material.
9. manufacture method as claimed in claim 7, wherein the predetermined concentration of this Pt is between 1 ~ 5mg/cm
2Between.
10. manufacture method as claimed in claim 7, wherein the predetermined concentration of this Pt/Ru is between 1 ~ 10mg/cm
2Between.
11. manufacture method as claimed in claim 1, wherein this control circuit layer is a two-sided printed circuit board (PCB).
12. manufacture method as claimed in claim 1, wherein this control circuit layer is a multilayer board.
13. manufacture method as claimed in claim 1, wherein this control circuit layer comprises a printed circuit board (PCB) at least, and at least more than one the electronic building brick that is arranged on this printed circuit board (PCB).
14. manufacture method as claimed in claim 1, wherein the engagement step of this step (D) is: utilize one to stick together medium with printing or the film means that coincide, this flow path groove and solution tank layer, this mass transfer dielectric substrate and each the stacking unification of this control circuit layer are risen, utilize a hot press to carry out pressing after coinciding again, produce this lamination integration type direct methanol fuel cell by this.
15. manufacture method as claimed in claim 14, wherein this to stick together medium be an epoxy resin.
16. manufacture method as claimed in claim 14, wherein this hot press be set at temperature between 80 ℃ ~ 180 ℃ and pressure between 2 ~ 50kg/cm
2Between.
17. manufacture method as claimed in claim 1, when further comprising the following steps: to make respectively three layers on this flow path groove and solution tank, this mass transfer dielectric substrate and this control circuit layer, and make at least more than one fixing hole respectively at each layer, fixing hole by each layer, with three layers on this flow path groove and solution tank, this mass transfer dielectric substrate and this control circuit layer, employing fourth of the twelve Earthly Branches splice grafting closes, screw engages or one of them engagement means is closed in the bonding splicing, is engaged together.
18. a lamination integration type direct methanol fuel cell comprises:
One flow path groove and solution tank layer, it is to use the material material of printed circuit board (PCB) and makes moulding;
One mass transfer dielectric substrate;
One control circuit layer, it is to utilize the processing procedure of printed circuit board (PCB) and produce;
Wherein other this flow path groove and solution tank layer, this mass transfer dielectric substrate and this each layer of control circuit layer can be made respectively, each layer are bonded into this lamination integration type direct methanol fuel cell again.
19. a lamination integration type direct methanol fuel cell comprises:
One flow path groove and solution tank layer, it is to use the material material of printed circuit board (PCB) and makes moulding, and engages with a mass transfer dielectric substrate;
This mass transfer dielectric substrate is that interlayer is between this flow path groove and a solution tank layer and a control circuit layer;
This control circuit layer is to utilize the processing procedure of printed circuit board (PCB) and produce, and engages with this mass transfer dielectric substrate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101230553A CN1315219C (en) | 2003-12-23 | 2003-12-23 | Method for making lamination integrated direct methanol fuel battery and direct methanol fuel battery |
| US10/996,858 US20060112538A1 (en) | 2003-12-01 | 2004-11-26 | Layer lamination integrated direct methanol fuel cell and a method of fabricating the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101230553A CN1315219C (en) | 2003-12-23 | 2003-12-23 | Method for making lamination integrated direct methanol fuel battery and direct methanol fuel battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1632977A CN1632977A (en) | 2005-06-29 |
| CN1315219C true CN1315219C (en) | 2007-05-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101230553A Expired - Fee Related CN1315219C (en) | 2003-12-01 | 2003-12-23 | Method for making lamination integrated direct methanol fuel battery and direct methanol fuel battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1315219C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08321317A (en) * | 1995-05-25 | 1996-12-03 | Sanyo Electric Co Ltd | Solid high polymer fuel cell |
| US5631099A (en) * | 1995-09-21 | 1997-05-20 | Hockaday; Robert G. | Surface replica fuel cell |
| WO2003028135A1 (en) * | 2001-09-26 | 2003-04-03 | Sony Corporation | Fuel cell and electronic device using fuel cell |
-
2003
- 2003-12-23 CN CNB2003101230553A patent/CN1315219C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08321317A (en) * | 1995-05-25 | 1996-12-03 | Sanyo Electric Co Ltd | Solid high polymer fuel cell |
| US5631099A (en) * | 1995-09-21 | 1997-05-20 | Hockaday; Robert G. | Surface replica fuel cell |
| WO2003028135A1 (en) * | 2001-09-26 | 2003-04-03 | Sony Corporation | Fuel cell and electronic device using fuel cell |
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| Publication number | Publication date |
|---|---|
| CN1632977A (en) | 2005-06-29 |
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