CN200969372Y - Cathode flow passage plate for fuel cell - Google Patents
Cathode flow passage plate for fuel cell Download PDFInfo
- Publication number
- CN200969372Y CN200969372Y CNU200620157978XU CN200620157978U CN200969372Y CN 200969372 Y CN200969372 Y CN 200969372Y CN U200620157978X U CNU200620157978X U CN U200620157978XU CN 200620157978 U CN200620157978 U CN 200620157978U CN 200969372 Y CN200969372 Y CN 200969372Y
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- plate
- runner plate
- cathode runner
- those
- secondary channels
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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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Abstract
The creation is a cathodic channel plate for fuel batteries, consisting of a plate body, at least more than one main channels, which are arranged orderly on the plate body and at least more than one accessory channels, which are arranged orderly on the plate body and are intersectingly connected with the main channels. The sizes of the accessory channels are smaller than those of the main channels. At the same time, the structure of the accessory channel can be of groove structure or of trough body structure when digging a small part of area of the plate body into hollow region.
Description
Technical field
This creation is the runner plate that is used for fuel cell about a kind of, and particularly about a kind of cathode runner plate, and it offers the flow field environment that on cathode reactant and negative electrode product can Channel Group.
Background technology
Fuel cell is a kind of chemical energy that will be stored in fuel and the oxidant is converted into electric energy by electrode reaction a Blast Furnace Top Gas Recovery Turbine Unit (TRT).The kind of fuel cell is quite a lot of now, can distinguish according to the electrolyte property difference: five kinds of electrolytical fuel cells of difference such as alkaline fuel cell, phosphoric acid fuel cell, Proton Exchange Membrane Fuel Cells, molten carbonate fuel cell, solid-oxide fuel cell.Although fuel cell technology obtained some progress in recent years, aspect commercialization, still face great challenge, it comprises: aspect problems such as power density is low, water management, heat management, microminiaturization and cost height.
Most fuel cell can produce the water product after electrochemical reaction, and the processing of water product in fuel cell system design, all is a very important problem all the time.Because the aqueous water that fuel cell generated should what course to follow, perhaps it this how to be reused or the like problem, all need to be improved to solve, so fuel cell just has the possibility of becoming commercialized.
Especially, the overflow phenomenon of (flooding) of water usually occurs in fuel cell and carries out in the electrochemical reaction process, is that the utmost point needs processed problems.Cause that the factor that water overflows is a lot, may be relevant with context condition (as: temperature or flow field situations such as free convection, forced convertion) at that time, also may directly come from the aqueous water that electrochemical reaction generated of fuel cell.Yet, aqueous water may lodge in the gas passage of cathode runner plate, and the barrier gas passage, this causes the reactant (being air or oxygen) of fuel battery negative pole end to enter, and negative electrode product (being water or steam) also can't effectively be discharged, thereby makes that the usefulness of fuel cell is abominable.Moreover the miscarriage that aqueous water also may be subjected to conventional fuel cell system leaks to the circuit of electronic product entirely, causes the fault or the short circuit of electronic product.
Novel content
The main purpose of this creation provides a kind of cathode runner plate, in order to solve the phenomenon that water overflows, simultaneously, offers the flow field environment that on cathode reactant and negative electrode product can Channel Group.
For reaching this creation above-mentioned purpose, this creation provides a kind of cathode runner plate that is used for fuel cell, comprising: a plate body.Sprue more than at least one is to arrange to be arranged on this plate body.At least more than one secondary channels is to arrange to be arranged on this plate body, and those secondary channels are to intersect to be connected in those sprues, and wherein the size of this secondary channels is the size less than this sprue.Simultaneously, the structure of this secondary channels can be a groove structure, or the sub-fraction area of this plate body dug is set as a hollow out zone, also can be a trough body structure.Wherein this trough body structure is arranged on those sprues.
Description of drawings
Figure 1A shows that this creation is used for the stereogram of first specific embodiment of the cathode runner plate of fuel cell.
Figure 1B shows the schematic top plan view of the cathode runner plate of Figure 1A.
Fig. 2 A shows that this creation is used for the stereogram of second specific embodiment of the cathode runner plate of fuel cell.
The schematic top plan view of the cathode runner plate of Fig. 2 B displayed map 2A.
Fig. 3 shows that this creation is used for the phantom of the 3rd specific embodiment of the cathode runner plate of fuel cell.
The primary clustering symbol description
Cathode runner plate (1)
Plate body (10)
Sprue (12)
Secondary channels (14)
Cell body (16) catchments
Flow into flow passage structure (18)
Cathode runner plate (2)
Plate body (20)
Sprue (22)
Secondary channels (24)
Flow into flow passage structure (26)
Plate body (30)
Sprue (32)
Secondary channels (34)
Embodiment
Figure 1A shows that this creation is used for the stereogram of first specific embodiment of the cathode runner plate of fuel cell.Figure 1B shows the schematic top plan view of the cathode runner plate of Figure 1A.The cathode runner plate of this creation (1) is to be applied in the fuel cell, and wherein fuel cell is the mea with at least more than one, and cathode runner plate (1) then is the air or oxygen that is used for supplying the cathode terminal of mea, to carry out electrochemical reaction.With reference to Figure 1A, the cathode runner plate of this creation (1) is to comprise: plate body (10), the sprue more than at least one (12) and at least more than one secondary channels (14), below will describe those members in detail respectively.
The base material of plate body (10) is to select a chemical resistance non-conductor engineering plastics substrate, graphite substrate, metal substrate, plastics carbon base plate, FR4 substrate, FR5 substrate, epoxy resin substrate, glass substrate, ceramic substrate, macromolecule plasticizing substrate and combined type material substrate etc. wherein a kind of.If above-mentioned sprue (12), secondary channels (14) etc. are the upper surfaces that is arranged at plate body (10), then form single face cathode runner plate (1).On the other hand, if above-mentioned sprue (12), secondary channels (14) etc. are upper surface and the lower surfaces that is arranged at plate body (10) simultaneously, then form two-sided cathode runner plate (1).
Sprue (12) is to arrange to be arranged on plate body (10), is the flow channel of air or oxygen simultaneously.Shown in Figure 1A and Figure 1B, those sprues (12) are parallel and are arranged on plate body (10) across arrangement.In addition, sprue (12) is a side that runs through plate body (10), and so, therefore the air or oxygen that circulates in sprue (12) can drain in the atmosphere or by band and cause in the condensing unit (not seeing among the figure).
Secondary channels (14) is to arrange to be arranged on plate body (10), and those secondary channels (14) are to intersect to be connected in those sprues (12), and wherein the size of secondary channels (14) (the particularly width of runner) is the size less than sprue (12).Shown in Figure 1A and Figure 1B, those secondary channels (14) are parallel and are arranged on plate body (10) across arrangement, and those secondary channels (14) are to be vertically intersected on those sprues (12).Though the secondary channels among Figure 1A and Figure 1B (14) is to intersect at sprue (12) with vertical mode, but the cathode runner plate of this creation (1) is not only to be confined to this to implement aspect, certainly also can do other variation, for example secondary channels (14) mode that can also tilt intersects at sprue (12).In addition, realize one of concrete means of those secondary channels (14), be down to dig from plate body (10) surface to be set as a plurality of and parallel groove, and another realizes the concrete means of secondary channels (14), then be that sub-fraction (rectangular) area with plate body (10) digs and is set as a hollow out zone, at last, the shape in groove or the hollow out zone aspect that can be presented as the secondary channels among Figure 1B (14).
Moreover this creation further comprises the cell body that catchments (16) and flows into flow passage structure (18).The cell body (16) that catchments is to be arranged on plate body (10), and is to be connected in those secondary channels (14), in order to collect the aqueous water of taking advantage of a situation and flowing down along secondary channels (14).The catchment concrete means of cell body (16) of realization are to set out a rectangle cell body with down digging from plate body (10) surface, but are not hollowed out.Catchment another concrete means of cell body (16) of realization are to be applicable in the structure of fuel cell pack, and the cell body (16) that at this moment catchments is down to dig from plate body (10) surface to set out a rectangle cell body equally, but is hollowed out.In fuel cell pack, the cell body that catchments (16) one side the covering that is subjected to end plate or dividing plate, thereby form a trough body structure that can hold aqueous water.And for example shown in Figure 1A, the cell body that catchments (16) is a side that runs through plate body (10) equally, so just can extract the collected aqueous water of the cell body that catchments (16), and then be recycled.
Flowing into flow passage structure (18) is to be arranged on plate body (10), and is to be connected in those sprues (12).The entrance area that flows into flow passage structure (18) is that the surface of carrying out plate body (10) is down dug and is set as groove structure, simultaneously, flow into the zone that flow passage structure (18) and those sprues (12) are joined, be to carry out engraved structure, just, will be joined the zone shared plate body (10) surface hollowed out.
Fig. 2 A shows that this creation is used for the stereogram of second specific embodiment of the cathode runner plate of fuel cell.The schematic top plan view of the cathode runner plate of Fig. 2 B displayed map 2A.Contrast Fig. 2 A and Figure 1A as can be known, the main discrepancy of two specific embodiments is that the structure of secondary channels (24) is different from the structure of secondary channels (14).Shown in Fig. 2 A and Fig. 2 B, those secondary channels (24) are to carry out a kind of trough body structure of circle, and this trough body structure is arranged on those sprues (22).By among the figure also as can be known, the size of secondary channels (24) is significantly less than the size of sprue (22).In addition, secondary channels (24) also can be that sub-fraction (circle) area with plate body (20) digs the hollow out zone that is set as.
Fig. 3 shows that this creation is used for the phantom of the 3rd specific embodiment of the cathode runner plate of fuel cell.With reference to figure 3, the cathode runner plate of this creation comprises plate body (30), sprue (32), and secondary channels (34).As shown in Figure 3, secondary channels (34) is a groove structure, and this groove structure is arranged on the surface of those sprues (32), and those secondary channels (34) form a broached-tooth design on the surface of sprue (32) at last.
The cathode runner plate of this creation can be applied in all kinds of fuel cells, for example: be applied in the fuel cell that adopts methanol fuel, or adopt fuel cell of the fuel cell of liquid fuel, the fuel cell that adopts fuel gas, employing solid fuel or the like.
The characteristics of the cathode runner plate of this creation are the setting of secondary channels.Setting by secondary channels, and intersect each other with sprue and to be connected, no matter be the execution mode that secondary channels among Figure 1A is vertically intersected on sprue, or among Fig. 2 A and Fig. 3 secondary channels is arranged on execution mode in the sprue, can both make aqueous water that fuel cell generated some be to flow into secondary channels, its objective is in order to allow aqueous water distribute as much as possible and come, condense upon one and be unlikely, thus, the easier steam that is transformed into of aqueous water not only, and the air that is accompanied by sprue flows out, and the aqueous water while itself also be subjected to the brushing of air of sprue, be dried gradually.Therefore, the water that the cathode runner plate of this creation can effectively solve the fuel battery negative pole end problem of overflowing, simultaneously, offer the flow field environment that on cathode reactant and negative electrode product can Channel Group, this is that this creation advantage, beneficial effect and effect are significantly promoted the place.
Specific embodiment discloses as above though this creates; right its disclosed specific embodiment is not in order to limit this creation; anyly be familiar with this operator; in the spirit and scope that do not break away from this creation; when being used for a variety of modifications and variations; its change done and retouching all belong to the category of this creation, and the protection range of this creation is worked as the claim person of defining who looks and is as the criterion.
Claims (14)
1. cathode runner plate that is used for fuel cell is characterized in that comprising:
One plate body;
Sprue more than at least one is to arrange to be arranged on this plate body;
At least more than one secondary channels is to arrange to be arranged on this plate body, and those secondary channels are to intersect to be connected in those sprues, and wherein the size of this secondary channels is the size less than this sprue.
2. cathode runner plate as claimed in claim 1 is characterized in that: this secondary channels is a groove structure.
3. cathode runner plate as claimed in claim 1 is characterized in that: this secondary channels is that sub-fraction area with this plate body digs and is set as a hollow out zone.
4. cathode runner plate as claimed in claim 1 is characterized in that: this secondary channels is that a trough body structure and this trough body structure are arranged on those sprues.
5. cathode runner plate as claimed in claim 1 is characterized in that: this secondary channels is the surface that a groove structure and this groove structure are arranged on those sprues.
6. cathode runner plate as claimed in claim 1 is characterised in that further to comprise: one is arranged on the cell body that catchments of this plate body, is to be connected in those secondary channels.
7. cathode runner plate as claimed in claim 1, be characterised in that further and comprise: one is arranged on the inflow flow passage structure of this plate body, be to be connected in those sprues, wherein the entrance area of this inflow flow passage structure is to be groove structure, and the zone that this inflow flow passage structure and those sprues are joined is to be engraved structure.
8. cathode runner plate as claimed in claim 1 is characterized in that: those sprues are parallel and are arranged on this plate body across arrangement.
9. cathode runner plate as claimed in claim 1 is characterized in that: those secondary channels are parallel and are arranged on this plate body across arrangement.
10. cathode runner plate as claimed in claim 9 is characterized in that: those secondary channels are to be vertically intersected on those sprues.
11. cathode runner plate as claimed in claim 1 is characterized in that: those sprues are sides that run through this plate body.
12. cathode runner plate as claimed in claim 1, it is characterized in that: the base material of this plate body is to select a chemical resistance non-conductor engineering plastics substrate, a graphite substrate, a metal substrate, a plastics carbon base plate, a FR4 substrate, a FR5 substrate, an epoxy resin substrate, a glass substrate, a ceramic substrate, macromolecule plasticizing substrate and a combined type material substrate etc. wherein a kind of.
13. cathode runner plate as claimed in claim 1 is characterized in that: this cathode runner plate is a single face cathode runner plate.
14. cathode runner plate as claimed in claim 1 is characterized in that: this cathode runner plate is a two-sided cathode runner plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620157978XU CN200969372Y (en) | 2006-11-17 | 2006-11-17 | Cathode flow passage plate for fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620157978XU CN200969372Y (en) | 2006-11-17 | 2006-11-17 | Cathode flow passage plate for fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200969372Y true CN200969372Y (en) | 2007-10-31 |
Family
ID=38968949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620157978XU Expired - Fee Related CN200969372Y (en) | 2006-11-17 | 2006-11-17 | Cathode flow passage plate for fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200969372Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611457A (en) * | 2017-08-31 | 2018-01-19 | 上海汽车集团股份有限公司 | A kind of fuel cell and its minus plate |
| CN109478658A (en) * | 2016-08-12 | 2019-03-15 | 株式会社Lg化学 | Demarcation plate and fuel cell pack including the demarcation plate |
| CN109560305A (en) * | 2019-01-03 | 2019-04-02 | 浙江锋源氢能科技有限公司 | Metal double polar plates and processing method |
| CN113675423A (en) * | 2020-05-13 | 2021-11-19 | 上海汽车集团股份有限公司 | Fuel cell, fuel cell bipolar plate and flow field structure of fuel cell bipolar plate |
-
2006
- 2006-11-17 CN CNU200620157978XU patent/CN200969372Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109478658A (en) * | 2016-08-12 | 2019-03-15 | 株式会社Lg化学 | Demarcation plate and fuel cell pack including the demarcation plate |
| CN109478658B (en) * | 2016-08-12 | 2022-01-21 | 株式会社Lg化学 | Separator plate and fuel cell stack including the same |
| CN107611457A (en) * | 2017-08-31 | 2018-01-19 | 上海汽车集团股份有限公司 | A kind of fuel cell and its minus plate |
| CN107611457B (en) * | 2017-08-31 | 2020-09-29 | 上海汽车集团股份有限公司 | Fuel cell and negative plate thereof |
| CN109560305A (en) * | 2019-01-03 | 2019-04-02 | 浙江锋源氢能科技有限公司 | Metal double polar plates and processing method |
| CN109560305B (en) * | 2019-01-03 | 2024-02-09 | 浙江锋源氢能科技有限公司 | Metal bipolar plate and processing method |
| CN113675423A (en) * | 2020-05-13 | 2021-11-19 | 上海汽车集团股份有限公司 | Fuel cell, fuel cell bipolar plate and flow field structure of fuel cell bipolar plate |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |