CN207587856U - A kind of honeycombed cathode runner plate for fuel cell - Google Patents
A kind of honeycombed cathode runner plate for fuel cell Download PDFInfo
- Publication number
- CN207587856U CN207587856U CN201721858427.0U CN201721858427U CN207587856U CN 207587856 U CN207587856 U CN 207587856U CN 201721858427 U CN201721858427 U CN 201721858427U CN 207587856 U CN207587856 U CN 207587856U
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- Prior art keywords
- runner
- collector
- gas
- plate body
- cathode
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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 utility model provides a kind of honeycombed cathode runner plate for fuel cell, belongs to field of fuel cell technology.It solves the problems, such as how to improve cathode runner plate guide functions.This cathode runner plate includes plate body and the gas access being located on plate body, gas vent buffer area, catch basin, there is the collector that several row's opposite plate body surface bulges and section are in regular hexagon on plate body, the side face of two neighboring collector and it is formed with runner between the two, the width all same of each runner, runner communicate respectively with gas access, gas vent buffer area and catch basin.This runner plate passes through the layout design to collector structure, by the sprue in prior art and secondary channels collection together in one, so that the distribution of runner and size are consistent, good guide functions can be played, so as to which cathode reactant and cathode product is given to provide a more unimpeded smooth environment, water flooding is preferably solved the problems, such as.
Description
Technical field
The utility model belongs to field of fuel cell technology, is related to a kind of honeycombed cathode flow channels for fuel cell
Plate.
Background technology
Fuel cell is a kind of hair that the chemical energy of fuel and oxidant is directly changed into electric energy by electrochemical reaction
Electric installation.Fuel cell is mainly made of four parts, i.e. anode, cathode, electrolyte and external circuit.For most typical proton
For exchange film fuel battery, operating mechanism is：Fuel gas and oxic gas are passed through respectively by the anode of fuel cell and cathode.
Fuel gas discharges electronics under the catalyst action of anode and generates hydrogen ion (H2-2e-→2H+), H+It is reached across electrolyte cloudy
Pole.The electronics that anode is discharged is transmitted to cathode through external circuit and generation anion (O is combined with oxic gas2+2H2O+4e-→
4OH-).This part OH-With the H to come from anode migration+Generation water is combined so as to form complete circuit in cathode, generates electricity
Stream.
Wherein, runner plate is a kind of significant components in fuel cell structure, is placed in the both ends of film battery group.Existing skill
In art, generally can on runner plate processing flow channel, as supply fuel channel, enable reactant via runner reach spread
Layer participates in reacting hence into catalyst layer.In addition, runner plate also has the function of to conduct electric current, obtain the electronics that reaction generates
With conduction, therefore but also as a kind of collector, used material should have high conductivity, high intensity, easy processing, weight
Gently, the characteristics such as of low cost.
Such as Chinese patent【Application number：200620157978.X】A kind of cathode runner plate for fuel cell is disclosed,
Including:A piece of plate body and more than at least one sprue and the secondary channels of at least more than one.Sprue is arrangement setting
In plate body.Secondary channels are to be arranged in plate body and those secondary channels are intersecting to be connected to those sprues, wherein secondary channels
Size be less than the size of sprue.Meanwhile the structure of secondary channels can be a groove structure or small by the one of plate body
Part area digs into Stall empty region or a trough body structure.
Although cathode runner plate disclosed above can alleviate water flooding phenomenon, effect is also less desirable, above-mentioned
Also there are following defects for cathode runner plate：Since the width dimensions of the secondary channels in above-mentioned cathode runner plate are much smaller than sprue
Width dimensions cause the liquid water that cathode generates to cannot get good guide functions in this way, flow are caused to be dredged relatively slow, gas stream
It is dynamic not smooth enough.
Invention content
The purpose of this utility model is that there are the above problems for existing technology, it is proposed that a kind of for fuel cell
The technical issues of honeycombed cathode runner plate, the utility model solves is how to improve the guide functions of cathode runner plate.
The purpose of this utility model can be realized by following technical proposal：A kind of honeycombed cathode for fuel cell
Runner plate, including plate body and the gas access being located on plate body, gas vent buffer area, catch basin, which is characterized in that the plate
There are several row's opposite plate body surface bulges on body and section is in the collector of regular hexagon, the side of two neighboring collector is just
Pair and be formed with runner, the width all same of each runner between the two, the runner delays respectively with gas access, gas vent
It deposits area and catch basin communicates.
Be different from the prior art, this for fuel cell honeycombed cathode runner plate by traditional runner and secondary channels collection
Together in one, and the width of runner throughout is made all to keep identical, so as to provide preferably guide functions, be cathode reactant with
Cathode product provides one being capable of more swimmingly flow fields environment；Specifically, by by collector with the shape of honeycomb
Formula is arranged on plate body so that the width of flow path that plate body is formed between adjacent collector everywhere keeps identical, and wherein
Three runners mutually to cross are formed in region between three collectors, so that the liquid water of cathode generation can be fine
Ground is disperseed to dredge into catch basin, while so that the flowing of gas is more smooth；Therefore, it by designing above, effectively improves
The guide functions of cathode runner plate, and then be conducive to improve the performance of fuel cell.
It is recessed with being recessed inwardly on the plate body in the above-mentioned honeycombed cathode runner plate for fuel cell
Chamber, the collector are located in cavity, often arrange collector and are alternatively arranged along a straight line by the collector of side face one by one
It is formed, the collector of adjacent two rows mutually staggers and the both sides of the wherein collector of a row are respectively separated and are disposed with section in isosceles
Trapezoidal side collector, it is described to flow when being formed with identical with above-mentioned width of flow path between collector and adjacent collector
Road.According to plate body structure and arrangement needs, by with the design of top collector, making up both sides water conservancy diversion needs well, thus
Further improve the guide functions of cathode runner plate so that the flowing of liquid water and gas is more smooth.
In the above-mentioned honeycombed cathode runner plate for fuel cell, the plate body is rectangular, the catch basin
One jiao of plate body is located proximate to, the gas access is located proximate to the diagonal of above-mentioned one jiao of plate body.By with upper tank and
The location arrangements design of gas access so that the gas that gas access enters can drive the interior liquid water generated of runner toward gas
Entrance relative angle flows, and is flowed into catch basin, so that the liquid water in runner can more swimmingly dredge discharge.
In the above-mentioned honeycombed cathode runner plate for fuel cell, there is longitudinally arranged gas on the plate body
Body flow channel, the gas flow channel are located at one end of above-mentioned several row's collectors, and the gas access is flowed into gas
Channel communicates.Pass through the design of more than gas flow channel so that gas can simultaneously from one end of several row's collectors together
Into air stream enter runner, so that gas can be smoothly flowed therein more.
Also have what is be arranged along the horizontal in the above-mentioned honeycombed cathode runner plate for fuel cell, on the plate body
Gas flows into accessory channel, and the gas flows into accessory channel and communicated with gas flow channel and positioned at above-mentioned several row's collectors
Side.The matching design of accessory channel and gas flow channel is flowed by more than gas so that adjacent in gas access
Both sides form wider gas buffer area, on the one hand ensure that the stability of air-flow, another aspect gas enters simultaneously from both sides
Inside runner so that the direction vector of air motion is consistent, so as to drive the liquid water generated in runner toward gas
The adjacent both sides flowing of entrance relative angle, so that the liquid water in runner can more swimmingly dredge discharge.
In the above-mentioned honeycombed cathode runner plate for fuel cell, the catch basin is located in cavity and including edge
Catchment branch slot one and the branch slot two that catchments that is arranged along the horizontal being longitudinally arranged, the branch slot one that catchments are connected with the branch slot two that catchments
Logical, the branch slot one that catchments is located at the other end of above-mentioned several row's collectors, and the branch slot two that catchments several is arranged in a row positioned at above-mentioned
The opposite side of electric body.By that with the design of upper tank, the liquid water for being taken out of runner by air-flow can be accommodated well, be conducive to
Solve water flooding phenomenon.
In the above-mentioned honeycombed cathode runner plate for fuel cell, the gas vent buffer area is located at branch of catchmenting
In the cavity of one top of slot and it is formed between above-mentioned several row's collector one end and cavity side walls, the gas vent buffer area
Width be more than runner width.The width of gas vent buffer area is slightly wider than width of flow path, is cathode product and remaining
Postponement region before cathode reactant outflow runner plate.
Compared with prior art, this has the following advantages for the honeycombed cathode runner plate of fuel cell：1st, this honeycomb
Shape cathode runner plate is by the layout design to collector structure, by the sprue in prior art and secondary channels collection together in one
Body so that the distribution of runner and size are consistent, so as to which cathode reactant and cathode product is given to provide one more
Add unimpeded smooth environment；2nd, by gas inlet zone and liquid water being divided into flow out with diagonal on four sides of rectangular plate body
Area so that liquid water, which can in same direction be flowed and be flowed into catch basin under the drive of air-flow, discharges, so as to preferably
Solve the problems, such as water flooding.
Description of the drawings
Fig. 1 is the planar structure schematic diagram of this honeycombed cathode runner plate.
Fig. 2 is the dimensional structure diagram of this honeycombed cathode runner plate.
In figure, 1, plate body；1a, cavity；2nd, gas access；3rd, gas vent buffer area；4th, catch basin；41st, branch of catchmenting slot
One；42nd, branch of catchmenting slot two；5th, collector；6th, runner；7th, side collector；8th, side runner；9th, gas flow channel；10th, gas stream
Enter accessory channel；11st, embedded hole.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
Specifically, as shown in Figure 1, the honeycombed cathode runner plate of fuel cell is originally used for, including rectangular plate body 1
With gas access 2, gas vent buffer area 3, catch basin 4 and the embedded hole 11 being located on plate body 1, can also set on plate body 1
The water outlet communicated with catch basin 4, in time to discharge water.Wherein, one jiao that is located proximate to plate body 1 of catch basin 4, gas
Entrance 2 is located proximate to the diagonal of 1 above-mentioned one jiao of plate body, and raised knot may be used for the connection with anode plate in embedded hole 11
Structure substitutes.
Again as shown in Fig. 2, with the cavity 1a being recessed inwardly on plate body 1, cavity 1a is interior to have several rows with respect to 1 table of plate body
Face protrusion and section are in the collector 5 of regular hexagon, the side face of two neighboring collector 5 and are formed with runner between the two
6, the width all same of each runner 6, runner 6 respectively with 4 phase of above-mentioned gas entrance 2, gas vent buffer area 3 and catch basin
It is logical.
It is formed more specifically, often arranging collector 5 and being alternatively arranged along a straight line by the collector 5 of side face one by one,
The collector 5 of adjacent two rows mutually staggers and the both sides of the collector 5 of a wherein row are respectively separated and are disposed with section in isosceles ladder
The side collector 7 of shape is formed with the while runner 8 of same size with above-mentioned runner 6 between collector 7 and adjacent collector 5.
Meanwhile also there is longitudinally arranged gas flow channel 9 on plate body 1, gas flow channel 9 is located at above-mentioned several row's collectors
5 one end, gas access 2 are communicated with gas flow channel 9.Also there is the gas being arranged along the horizontal to flow into auxiliary logical on plate body 1
Road 10, gas flow into accessory channel 10 and are communicated with gas flow channel 9 and positioned at the side of above-mentioned several row's collectors 5.It catchments
Slot 4 is located in cavity 1a and including longitudinally arranged catchment branch slot 1 and the branch slot 2 42 that catchments being arranged along the horizontal, and catchments
Branch slot 1 is connected with the branch slot 2 42 that catchments, and branch of catchmenting slot 1 is located at the other end of above-mentioned several row's collectors 5, branch of catchmenting
Slot 2 42 is located at the opposite side of above-mentioned several row's collectors 5.Gas vent buffer area 3 is located at the cavity for one 41 top of branch slot of catchmenting
It in 1a and is formed between above-mentioned several 5 one end of row's collector and cavity 1a side walls, the width of gas vent buffer area 3 is more than stream
The width in road 6.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although plate body 1, cavity 1a, gas access 2, gas vent buffer area 3, catch basin 4, collection is used more herein
Water branch slot 1, branch of catchmenting slot 2 42, collector 5, runner 6, while collector 7, while runner 8, gas flow channel 9, gas stream
Enter the terms such as accessory channel 10, embedded hole 11, but it does not preclude the possibility of using other terms.It is only using these terms
In order to more easily describe and explain the essence of the utility model；Being construed as any one of the additional limitations is all and this
Utility model spirit is disagreed.
Claims (7)
1. a kind of honeycombed cathode runner plate for fuel cell, including plate body (1) and the gas access being located on plate body (1)
(2), gas vent buffer area (3), catch basin (4), which is characterized in that there are several rows with respect to plate body (1) on the plate body (1)
Surface bulge and section are in the collector (5) of regular hexagon, the side face of two neighboring collector (5) and are formed between the two
Have a runner (6), the width all same of each runner (6), the runner (6) respectively with gas access (2), gas vent buffer area
(3) it is communicated with catch basin (4).
2. the honeycombed cathode runner plate according to claim 1 for fuel cell, which is characterized in that the plate body
(1) there is the cavity (1a) being recessed inwardly, the collector (5) often arranges collector (5) by one one in cavity (1a) on
The collector (5) of a side face is alternatively arranged to be formed along a straight line, and the collector (5) of adjacent two rows mutually staggers and wherein one
The both sides of the collector (5) of row are respectively separated the side collector (7) for being disposed with that section is in isosceles trapezoid, the side collector (7)
The side runner (8) of same size with above-mentioned runner (6) is formed between adjacent collector (5).
3. the honeycombed cathode runner plate according to claim 1 or 2 for fuel cell, which is characterized in that the plate
Body (1) is rectangular, one jiao that is located proximate to plate body (1) of the catch basin (4), and the gas access (2) is located proximate to plate
Above-mentioned one jiao of body (1) it is diagonal.
4. the honeycombed cathode runner plate according to claim 3 for fuel cell, which is characterized in that the plate body
(1) there is longitudinally arranged gas flow channel (9), the gas flow channel (9) is positioned at above-mentioned several row's collectors on
(5) one end, the gas access (2) communicate with gas flow channel (9).
5. the honeycombed cathode runner plate according to claim 4 for fuel cell, which is characterized in that the plate body
(1) also there is the gas being arranged along the horizontal to flow into accessory channel (10), the gas flows into accessory channel (10) and gas stream on
Enter channel (9) to communicate and positioned at the side of above-mentioned several row's collectors (5).
6. the honeycombed cathode runner plate according to claim 5 for fuel cell, which is characterized in that the catch basin
(4) in the cavity (1a) and including longitudinally arranged branch slot one (41) and the branch slot two that catchments that is arranged along the horizontal of catchmenting
(42), the branch slot one (41) that catchments is connected with the branch slot two (42) that catchments, and the branch slot one (41) that catchments is positioned at above-mentioned several
Arrange the other end of collector (5), the opposite side of the branch slot two (42) positioned at above-mentioned several row's collectors (5) that catchment.
7. the honeycombed cathode runner plate according to claim 6 for fuel cell, which is characterized in that the gas goes out
Cavity (1a) of the mouth buffer area (3) above the branch slot one (41) that catchments is interior and is formed in above-mentioned several row's collector (5) one end
Between cavity (1a) side wall, the width of the gas vent buffer area (3) is more than the width of runner (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721858427.0U CN207587856U (en) | 2017-12-27 | 2017-12-27 | A kind of honeycombed cathode runner plate for fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721858427.0U CN207587856U (en) | 2017-12-27 | 2017-12-27 | A kind of honeycombed cathode runner plate for fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207587856U true CN207587856U (en) | 2018-07-06 |
Family
ID=62740355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721858427.0U Expired - Fee Related CN207587856U (en) | 2017-12-27 | 2017-12-27 | A kind of honeycombed cathode runner plate for fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207587856U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111326763A (en) * | 2018-12-13 | 2020-06-23 | 中国科学院青岛生物能源与过程研究所 | Metal bipolar plate of honeycomb-like flow field |
| WO2023241219A1 (en) * | 2022-06-17 | 2023-12-21 | 一汽奔腾轿车有限公司 | Fuel cell bipolar plate having bionic hexagonal flow channel |
-
2017
- 2017-12-27 CN CN201721858427.0U patent/CN207587856U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111326763A (en) * | 2018-12-13 | 2020-06-23 | 中国科学院青岛生物能源与过程研究所 | Metal bipolar plate of honeycomb-like flow field |
| WO2023241219A1 (en) * | 2022-06-17 | 2023-12-21 | 一汽奔腾轿车有限公司 | Fuel cell bipolar plate having bionic hexagonal flow channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20201227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |