CN101101989A - Fuel battery module with wave current track board - Google Patents
Fuel battery module with wave current track board Download PDFInfo
- Publication number
- CN101101989A CN101101989A CNA2006101005633A CN200610100563A CN101101989A CN 101101989 A CN101101989 A CN 101101989A CN A2006101005633 A CNA2006101005633 A CN A2006101005633A CN 200610100563 A CN200610100563 A CN 200610100563A CN 101101989 A CN101101989 A CN 101101989A
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- plate
- fuel cell
- runner
- cell module
- fluid channel
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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 is concerned with the fuel cell module group with the wave interval channel, includes: the cathode conductive board; the interval channel, which contains the anode wave collecting board allocates on the interval channel reaction zone of the board basal material that formed by the ejaculated polymers material, and is with several independent interval channels within the reaction zone; and the membrane electrode group in between of the cathode electric board and the interval channel.
Description
Technical field
The present invention is relevant for fuel cell, particularly relevant for a kind of fuel cell module with Wave type fluid channel plate.
Background technology
As be familiar with known to the person of this field, direct methanol fuel cell (Direct Methanol Fuel Cell abbreviates DMFC as) is that a kind of utilization dilution methanol aqueous solution acts as a fuel, and chemical energy is converted to the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of electric power by electrochemical program.Compare with traditional generation mode, direct methanol fuel cell has low pollution, low noise, high-energy-density and higher advantages such as energy conversion efficiency, be forward-looking clean energy, applicable field comprises household system, UPS, electronic product, means of transportation, military equipment, space industry etc.
The operation principles of direct methanol fuel cell is to carry out oxidation reaction with methanol aqueous solution at the anode catalyst layer, produce hydrogen ion (H+), electronics (e-) and carbon dioxide (CO2), wherein hydrogen ion is passed to negative electrode via electrolyte, electronics then is passed to negative electrode via external circuit, the oxygen that supply with cathode terminal this moment can carry out reduction reaction at the cathode catalysts layer with hydrogen ion and electronics, and produces water.Fuel cell generally all is made up of several elementary cells.Because the voltage that each elementary cell can provide is very little, many elementary cells of therefore must connecting when using are to reach the output of necessary operations voltage.
In the modular structure of direct methanol fuel cell element, collector plate and runner plate have been generally included, playing the part of different important roles respectively, wherein collector plate is responsible for collecting the electronics that electrochemical reaction produces, and runner plate then is to be responsible for distribution and the control that fuel flows.Past, all focus on the design of runner in the part of runner plate, make fuel can pass through runner smoothly, and flow into mea (membrane electrode assembly, MEA).
Known runner plate is normally with graphite or with glass mat, as FR4, FR5, Deng material as base material, and need with computerized Numerical Control (Computer Numerical Control, abbreviating CNC as) the lathe milling technology is made, its shortcoming is the low and processing cost height of the CNC lathe milling production capacity of making, and known is that the runner plate engineering properties of base material is generally not good, volume is big again with materials such as graphite, FR4 or FR5, and neither volume production scale and the universalness that is beneficial to fuel cell of these all factors used.
If will with fuel cells applications on notebook computer, mobile phone, PDA, just must effectively reduce its cost of manufacture and reduce the battery volume in future.The fuel cell related elements still remains to break through, innovate in the Development Technology on light, thin, short, little at present, if can further related elements be combined in the design battery means simultaneously, expection can obtain having more the fuel cell module of life practicality.
Hence one can see that, good runner plate designs except the chemical corrosion of the gas-liquid fuels of selecting necessary anti-fuel cell in material and reactant thereof, still need have high mechanicalness, low processing cost and can quick mass-produced requirement, no matter and known runner plate and fuel cell module are all having further improvement and improved space on the material or on manufacture method.
Summary of the invention
Main purpose of the present invention is to provide a kind of fuel cell module with Wave type fluid channel plate, to improve the shortcoming of aforementioned known skill.
A kind of fuel cell module with Wave type fluid channel plate provided by the invention includes a negative electrode conductive plate; One runner plate, include a undaform anode collector plate, but integration is fixed in the runner reaction zone with the plate body base material that macromolecular material was constituted of ejection formation, and this undaform anode collector plate defines in this runner reaction zone a plurality of runners are independently mutually arranged; And a mea, be located between this negative electrode conductive plate and this runner plate.
From the above mentioned as can be known, the present invention integrates the function and the runner plate of collector plate, can further reduce the volume of fuel cell module; Collector plate and runner plate by the male or female end are combined into one, make structure more simplify, and dwindle the volume and the thickness of multi-layer fuel cell module, the practicality on the increase industry greatly.
Description of drawings
Fig. 1: look schematic diagram on the preferred embodiment Wave type fluid channel plate of the present invention.
Fig. 2: the decomposing schematic representation that is mould used in the present invention.
Fig. 3: be the collector plate schematic diagram that another preferred embodiment definition of the present invention has the undaform runner.
Fig. 4: be the collector plate and aspect schematic diagram after the plate body base material combines among Fig. 3 of the present invention.
Fig. 5: the decomposing schematic representation that is bipolar plates of the present invention.
Fig. 6: be the decomposing schematic representation that the present invention has the fuel cell module of Wave type fluid channel plate.
Fig. 7: be the upright end view of group that has the fuel cell module of Wave type fluid channel plate among Fig. 6 of the present invention.
Fig. 8: be the fuel cell module that the present invention has Wave type fluid channel plate, the upright end view of its group after stubborn folding conducts electricity ear.
Fig. 9: be the superimposed schematic diagram of fuel cell multilayer module of the present invention.
Figure 10: be the superimposed figure of multi-layer fuel cell module of the present invention.
Drawing reference numeral:
10 Wave type fluid channel plates, 11 plate body base materials
12 runner reaction zone 12a runner reaction zones
12b runner reaction zone 12c runner reaction zone
12d runner reaction zone 14 passes through the district
16 pass through district's 20 moulds
21 locating rings, 22 inlet linings
23 pilot pins, 24 film benevolence
25 liftout plates, 26 knock pins
27 C bars 28 are held groove under the arm
29 backing-out punch upper shields, 40 inlet backing-out punch
41 backing-out punch fixed heads, 42 supporting brackets
43 B plates, 44 A plates
Version is held at 45 tops under the arm
101 fuel inlets 1 02 flow into runner
103 branch pipes
111 fuel flow exports 112 flow out runner
113 flow out runner
120 collector plate 120a substrates
120b copper film 120c electricity lacquer
121 positive 122 back sides
132 conduction ears, 220 sunk areas
300 fuel cell modules, 302 negative electrode conductive plates
304a sticks together material 304b and sticks together material
306 mea, 308 MEA fixed frames
402 single fuel cell modules, 404 cathode runner plates
Embodiment
The tradition collector plate uses goldleaf, and the price height has not met the development trend of fuel cell.Therefore the present invention's conception combines collector plate and runner plate, makes fuel cell with this structure, and can make fuel cell stack, obtains that volume is little, low price, meets the fuel cell of 3C Product application.
The invention relates to that being used for the gas-liquid is the Wave type fluid channel plate of the fuel cell of fuel, wherein runner plate has one or more than one reaction zone, with mea (MEA) pressing or the combination after, can produce electric current by the methanol fuel flowing reactive.
The Wave type fluid channel plate that fuel cell of the present invention is used is a kind of hydrogen or hydrogen-containing compound to be reacted under catalyst, chemical energy is converted to a kind of device of electric energy, and the Proton Exchange Membrane Fuel Cells that runner plate of the present invention is used at portable electronic product, in order to want frivolous and short and smallization, the chemical corrosivity of palpus anti-gas-liquid fuels of energy and reactant thereof, and have favorable mechanical character.
See also Fig. 1, look schematic diagram on the preferred embodiment Wave type fluid channel plate of the present invention.As shown in Figure 1, Wave type fluid channel plate 10 of the present invention includes a plate body base material 11, and the runner reaction zone 12 of at least one undaform.Be that runner reaction zone 12a, 12b, 12c and 12d with four undaforms illustrates in Fig. 1, and the end view of runner reaction zone 12b is shown in Fig. 1 the right, the runner of runner reaction zone 12a, 12b, 12c and 12d is all from top to bottom or same stream field direction from down to up, wherein, runner reaction zone 12a, both runners of 12b are intercommunication, and the runner of runner reaction zone 12c and 12d is intercommunication, between runner reaction zone 12a and 12b,, between runner reaction zone 12c and 12d, distinguish 16 for passing through for passing through district 14.
In addition, the present invention is not limited to just be provided with at the single face of plate body base material 11 the runner reaction zone of undaform, also can form the runner reaction zone of identical undaform simultaneously at the another side of plate body base material 11, so the present invention can there be the application of single face runner and two-sided runner.
As shown in Figure 1, plate body base material 11 is provided with a fuel inlet 101 in addition at the fuel injection end, flows into runner 102, branch pipe 103.Fuel (as methyl alcohol etc.) via fuel inlet 101, flow into runner 102, branch pipe 103 enters respectively in each independent runner of runner reaction zone 12a and 12c, and then inflow is connected runner reaction zone 12b and the 12d that communicates with runner reaction zone 12a and 12c respectively, at last, by flowing out runner 112 and 113,111 outflows of fuel flow export.
One of principal character of the present invention is that the runner of runner reaction zone 12a, 12b, 12c and 12d is all from top to bottom or same stream field direction from down to up, wherein, runner reaction zone 12a, both runners of 12b are intercommunication, and the runner of runner reaction zone 12c and 12d is intercommunication, and the single runner among each runner reaction zone 12a, 12b, 12c and the 12d is all mutual independence, so can make more smooth and easy, the homogenizing in flow field.
According to preferred embodiment of the present invention, the plate body base material 11 of Wave type fluid channel plate of the present invention is that the utilization ejection forming technique forms, but utilize a kind of polymer composite of ejection formation, for example, polyether-ether-ketone (polyetheretherketone, abbreviate PEEK as), PEKK (polyetherketoneketone, abbreviate PEKK as), polysulfones (Polysulfone, abbreviate PSU as), wherein a kind of in the engineering plastics such as liquid crystal polymer (liquid crystal polymer abbreviates LCP as), macromolecule plasticizing substrate or combined type material.
What need emphasize is, but be not the plate body base material 11 that the macromolecular material of all ejection formations all is fit to be used for making Wave type fluid channel plate of the present invention, for instance, picture ABS resin, polypropylene (PP) resin and Merlon (polycarbonate, abbreviate PC as) etc., although it can make substrate by ejection formation, but do not possess desired methanol tolerance and high mechanical properties, so and be not suitable for using.Therefore, better suited material is still with above cited several, wherein particularly suitable with polysulfones.
In addition, but the polymer composite of above-mentioned ejection formation can adopt the processing mode that penetrates in the lump with filler.Aforesaid filler is modification agent, flowable, remover etc. for example.
Form the Wave type fluid channel plate execution mode about the present invention following example is illustrated it (in this example with the polysulfones macromolecule as the runner plate material).
Basically, the basic step of jet forming method of the present invention has three, is respectively to melt, flow and solidify.At first, the polysulfones high molecule plastic material heat fused of powder shape is become liquid, then, the polysulfones high molecule plastic material of fusing is injected in the mould, row cooling again, solidify.Entire making process is quick, also can automation, especially be fit to a large amount of production.
(1) fusing: the polysulfones high molecule plastic material of powder shape is produced plastic deformation under temperature and pressure.
(2) flow: the mobile under pressure entire die that is full of of the polysulfones high molecule plastic material of distortion.
(3) solidify, cool off: take out after waiting for polysulfones high molecule plastic material cooled.
Shown in Figure 2 is the decomposing schematic representation of mould 20 used in the present invention.Mould 20 used in the present invention can comprise locating ring 21, inlet lining 22, pilot pin 23, film benevolence 24, liftout plate 25, knock pin 26, C bar 27, hold groove 28, backing-out punch upper shield 29, inlet backing-out punch 40, backing-out punch fixed head 41, supporting bracket 42, B plate 43, A plate 44 and top under the arm holds version 45 under the arm, but is not confined to above-mentioned mould configuration.
The runner reaction zone 12 of undaform of the present invention can be simultaneously one-body molded with injection molding method with plate body base material 11, but the runner reaction zone of undaform also can be other formation, for example, define runner with a collector plate, and then combine with the plate body base material 11 that forms with injection molding method.
See also Fig. 3, what it illustrated is collector plate 120 schematic diagrames that another preferred embodiment definition of the present invention has the undaform runner.Another preferred embodiment of the present invention, collector plate (anode) 120 includes the metal material by the chemical corrosion of stainless steel or other ability fuel cell gas-liquid fuels, for example, the slim electrically-conductive backing plate 120a that material constituted such as SUS316, SUS316L, SUS304, SUS304L, titanium alloy, the undaform runner that is made into impact style.
As shown in Figure 3, be to be formed with a plurality of undaform runners independently mutually on the front 121 of collector plate 120 with impact style, can allow gas-liquid fuels pass through smoothly.If electrically-conductive backing plate 120a is constituted with stainless steel, because stainless resistance is higher, then at the back side 122 of collector plate 120, can plate one deck copper film 120b, reduce resistance thus, then, " ED lacquer " 120c that lacquer or industry be commonly called as with an electricity again and cover and isolate to live in copper film 120b, copper layer 120b can not contacted with the gas-liquid fuels of fuel cell, poison battery and copper is separated out.Collector plate 120 of the present invention includes a conduction ear 132 of protruding, can break and roll in addition, is used for collector plate 120 is connected with the line electricity that is formed on the negative electrode conductive plate, allows electronics derive.
Same, on the runner direction, also providing between two adjacent collector plates 120 and pass through district 14,16, its runner is formed in one and plate body base material 11 forms simultaneously, needs and the corresponding linking of the runner of collector plate 120.Conduction ear 132 can be connected with the line electricity that is formed on plate body base material 11 behind stubborn folding, and can be with battery strings also.
The present invention includes following advantage at least with the practice that collector plate 120 is incorporated on the plate body base material 11.At first, collector plate 120 can stainless steel be made, and makes with goldleaf than known skill collector plate, can save many costs relatively, and it is also very simple fast that stainless steel substrate is defined the undaform runner with impact style.In addition, the practice that collector plate 120 is incorporated into single or double on the plate body base material 11 can reduce the integral thickness after the fuel cell assembling.
The present invention has the fuel cell module of Wave type fluid channel plate, have compact, and the advantage of low cost of manufacture, its execution mode will explain with 4W fuel cell module example:
The making of collector plate: as shown in Figure 3, the metal material (as materials such as SUS316, SUS304, SUS304L, titanium alloys) with the chemical corrosion of SUS316L stainless steel or other ability fuel cell gas-liquid fuels is made into collector plate 120 with impact style.Collector plate 120 is divided into two partly, and one is the undaform runner (its shape can embed with runner plate plate body base material combine, save the space) that can allow gas-liquid fuels pass through; One is the conduction ear 132 that can allow electronics derive.
The making of runner plate plate body base material: runner plate plate body base material be polymer composite with ejection formation or CNC lathe car system portion product, its runner must match with the shape of collector plate, as Fig. 1, shown in Figure 4.
Collector plate combines with runner plate plate body base material: as shown in Figure 4, coat AB glue in runner plate, collector plate 120 and runner plate plate body base material 11 are binded.The present invention is characterized in that collector plate 120 and runner plate plate body base material 11 combine, constitute a runner plate of integrating wave type collector plate, wherein collector plate 120 anode of battery modules that acts as a fuel.
The making of bipolar plates: on negative electrode conductive plate 302, put into respectively as BYPP etc. and stick together material 304a, mea (MEA) 306 and MEA fixed frame 308, as shown in Figure 5, again after hot pressing and become bipolar plates.(BYPP is meeting hot melt gel set when high temperature, and negative electrode conductive plate 302 and MEA fixed frame 308 are sticked together).Negative electrode conductive plate 302 can be that PCB, graphite cake or metallic plate are made.
4W fuel cell module pressing: as shown in Figure 6, put into anode flow channel plate (on be embedded with collector plate) 10, stick together material 304b as PP etc., through the hot pressing program get final product thin type fuel cell module 300, as shown in Figure 7, its each face all has 4 battery units, therefore thin type fuel cell module 300 is two-sided always has eight battery units, and generally the electricity of each battery unit is about 0.5W, so total electricity is 4W.
Electronic circuit connects: will conduct electricity ear 132 breaks and rolls over to negative electrode conductive plate 302, with the bonding machine spot welding (in modes such as spot welding or solderings) of electric resistance welding, can be also with each battery unit string, as shown in Figure 8.
Use this structural principle, the fuel cell modular structure can have following aspect:
1. single fuel cell module: as shown in Figure 8, the function and the runner plate of collector plate are integrated, can further be reduced the volume of fuel cell module, more be applicable to the utilization and the practice of future life product.
2. fuel cell multilayer module is superimposed: if add cathode runner plate (air flow channel plate) 404 between single fuel cell module 402, can get the multi-layer fuel cell module behind the storehouse, 20W multi-layer fuel cell module is as shown in Figure 9 used.And utilize the extended sheet metal of collector plate institute partly, and design, change string and circuit mode easily, can form different capacity on demand.
3. no matter the iterative structure of fuel cell multilayer module of the present invention as shown in figure 10, is that the collector plate of male or female end all is combined into one with runner plate, makes structure more simplify.Only must add the negative electrode conductive plate, can finish the fuel cell module in module iterative structure outermost.This can dwindle the volume and the thickness of multi-layer fuel cell module, the practicality on the increase industry greatly.
Though the present invention discloses with specific embodiment; but it is not in order to limit the present invention; any those skilled in the art; the displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present invention and scope, having done; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that scope of patent protection of the present invention is done.
Claims (13)
1. fuel cell module with Wave type fluid channel plate is characterized in that including:
One negative electrode conductive plate;
One runner plate, include a undaform anode collector plate, but integration is fixed in the runner reaction zone with the plate body base material that macromolecular material was constituted of ejection formation, and this undaform anode collector plate defines in this runner reaction zone a plurality of runners are independently mutually arranged;
One mea is located between this negative electrode conductive plate and this runner plate.
2. the fuel cell module with Wave type fluid channel plate as claimed in claim 1 is characterized in that: this macromolecular material includes polyether-ether-ketone, PEKK, polysulfones, liquid crystal polymer or combined type material.
3. the fuel cell module with Wave type fluid channel plate as claimed in claim 1 is characterized in that: this runner reaction zone is the sunk area on this plate body base material, this undaform anode collector plate of its form fit.
4. the fuel cell module with Wave type fluid channel plate as claimed in claim 1 is characterized in that: this undaform anode collector plate comprises an electrically-conductive backing plate.
5. the fuel cell module with Wave type fluid channel plate as claimed in claim 4 is characterized in that: this electrically-conductive backing plate is made of the metal material of the chemical corrosion of stainless steel or other ability fuel cell gas-liquid fuels.
6. the fuel cell module with Wave type fluid channel plate as claimed in claim 4 is characterized in that: this undaform anode collector plate comprises a copper film in addition, is plated on the one side of this electrically-conductive backing plate, is used for reducing resistance.
7. the fuel cell module with Wave type fluid channel plate as claimed in claim 6 is characterized in that: this undaform anode collector plate comprises that in addition an electricity lacquer, covers this copper film, separates out copper to avoid this copper film to contact with fuel.
8. the fuel cell module with Wave type fluid channel plate as claimed in claim 1, it is characterized in that: this undaform anode collector plate comprises the conduction ear that can break and roll in addition, and the line electricity that is used for making this undaform anode collector plate and being formed on this plate body substrate surface is connected.
9. the fuel cell module with Wave type fluid channel plate as claimed in claim 1 is characterized in that: this undaform anode collector plate is to be fixed in this runner reaction zone with AB glue or other epoxy resin macromolecule adhesion material.
10. the fuel cell module with Wave type fluid channel plate as claimed in claim 1 is characterized in that: this undaform anode collector plate is to stick together, be pressed into snib to be pressed into or be pressed into to tightly fit in this runner reaction zone.
11. the fuel cell module with Wave type fluid channel plate as claimed in claim 1 is characterized in that: other includes a mea fixed frame, between this negative electrode conductive plate and this runner plate.
12. the fuel cell module with Wave type fluid channel plate as claimed in claim 1 is characterized in that: other includes a hot pressing type and sticks together material, between this negative electrode conductive plate and this runner plate.
13. the fuel cell module with Wave type fluid channel plate as claimed in claim 1 is characterized in that: this negative electrode conductive plate is to be made by PCB, graphite cake or metallic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101005633A CN101101989A (en) | 2006-07-03 | 2006-07-03 | Fuel battery module with wave current track board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101005633A CN101101989A (en) | 2006-07-03 | 2006-07-03 | Fuel battery module with wave current track board |
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| Publication Number | Publication Date |
|---|---|
| CN101101989A true CN101101989A (en) | 2008-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101005633A Pending CN101101989A (en) | 2006-07-03 | 2006-07-03 | Fuel battery module with wave current track board |
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| CN (1) | CN101101989A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373841B (en) * | 2007-08-20 | 2010-12-08 | 中强光电股份有限公司 | Fuel cell |
| CN104157895A (en) * | 2014-07-30 | 2014-11-19 | 清华大学 | Light-weight electric pile of polymer electrolyte membrane fuel battery and manufacturing method of light-weight electric pile |
| CN109390603A (en) * | 2018-11-15 | 2019-02-26 | 华南理工大学 | A kind of ripple flow-field plate |
| CN110277569A (en) * | 2019-06-13 | 2019-09-24 | 苏州奥加华新能源有限公司 | A kind of fuel cell stack with central manifold |
| WO2022134477A1 (en) * | 2020-12-22 | 2022-06-30 | 上海交通大学 | Wave-shaped fuel cell and stack |
-
2006
- 2006-07-03 CN CNA2006101005633A patent/CN101101989A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373841B (en) * | 2007-08-20 | 2010-12-08 | 中强光电股份有限公司 | Fuel cell |
| CN104157895A (en) * | 2014-07-30 | 2014-11-19 | 清华大学 | Light-weight electric pile of polymer electrolyte membrane fuel battery and manufacturing method of light-weight electric pile |
| CN109390603A (en) * | 2018-11-15 | 2019-02-26 | 华南理工大学 | A kind of ripple flow-field plate |
| CN110277569A (en) * | 2019-06-13 | 2019-09-24 | 苏州奥加华新能源有限公司 | A kind of fuel cell stack with central manifold |
| WO2022134477A1 (en) * | 2020-12-22 | 2022-06-30 | 上海交通大学 | Wave-shaped fuel cell and stack |
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Application publication date: 20080109 |