CN207781764U - A kind of bipolar plates and hydrogen fuel cell equipped with gap bridge air inlet - Google Patents
A kind of bipolar plates and hydrogen fuel cell equipped with gap bridge air inlet Download PDFInfo
- Publication number
- CN207781764U CN207781764U CN201820185946.3U CN201820185946U CN207781764U CN 207781764 U CN207781764 U CN 207781764U CN 201820185946 U CN201820185946 U CN 201820185946U CN 207781764 U CN207781764 U CN 207781764U
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- China
- Prior art keywords
- bipolar plates
- air inlet
- gap bridge
- inlet
- inlet 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
-
- 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 utility model provides a kind of bipolar plates and hydrogen fuel cell equipped with gap bridge air inlet, the bipolar plates equipped with gap bridge air inlet include anode plate and cathode plate, active region, distribution of air flow area and seal area are formed between the anode plate and cathode plate, air inlet there are two distributing between area and seal area and set in bipolar plates overdraught, the bevel edge of each air inlet be equipped with it is several be mutually parallel, the evenly distributed inlet channel communicated with distribution of air flow area, the inlet channel is integrally formed with bipolar plates.Gas channel is integrally formed with bipolar plates at the utility model bipolar plates air inlet, it is equipped with support construction strip projected parts simultaneously, the structure fabrication process is simple, compact-sized, intensity is unlikely to deform greatly, will not form Li Jiao, membrane electrode will not be damaged, meanwhile the utility model bipolar plates gas channel is smooth into outlet, can provide and stablize into outlet gas passage in technical process.
Description
Technical field
The utility model is related to a kind of hydrogen fuel cell technology, more particularly to a kind of hydrogen fuel cell bipolar plate structure.
Background technology
Bipolar plates are the core components of hydrogen fuel cell, and flow field structure is complicated, and difficulty of processing is big, to material performance requirement
The performance of height, material is relatively low, and fuel cell can be caused to occur, and working performance is unstable, inefficient problem.Bipolar plates conduct
Important component when fuel cell power generation, need between two pieces of bipolar plates to be sealed formed with MEA (membrane electrode) it is close
Seal space.Bipolar plates can form active region, distribution of air flow area and seal area in-between when assembling, at this time in seal area and air-flow
It can be equipped with air inlet between distribution area, gas channel is equipped at air inlet, gas channel is the important component of bipolar plates,
The gas channel is provided with one piece of inlet plate and is bonded to form gas channel with bipolar plates in the prior art, which has following lack
Point：A. manufacturing process bothers, and two boards is needed to combine；B. structure is not close, and there are gaps between two pieces；C. structure is not
Stablize, is easy to loosen；D. the structural strength is not high；E. there are Li Jiao for the structure setting, are easy to damage membrane electrode；F. air inlet has some setbacks
Freely.
Invention content
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of bipolar plates equipped with gap bridge air inlet.
The technical scheme adopted by the utility model is that：
A kind of bipolar plates equipped with gap bridge air inlet, including anode plate and cathode plate, the anode plate and cathode plate are mutual
Fasten, between form active region, distribution of air flow area and seal area, distribute between area and seal area and be equipped in bipolar plates overdraught
Two air inlets, the bevel edge of each air inlet, which is equipped with, several to be mutually parallel, evenly distributed is communicated with distribution of air flow area
Inlet channel, the inlet channel are integrally formed with bipolar plates.
Further, the inlet channel cross section is approximate hexagon.
Further, the number of the inlet channel at each air inlet is 5 ~ 15.
Further, the number of inlet channel is 10
Further, the inlet channel longitudinal direction is convex equipped with the strip across inlet channel at each air inlet
It rises, is arranged to that the inlet channel, the height of the strip projected parts is supported to be more than the height of inlet channel.
It is further preferred that its difference in height is 0.05 ~ 0.1mm.
It is further preferred that the cross section of the strip projected parts is approximate hexagon.
It is further preferred that the number of the strip projected parts is 1.
The utility model also provides a kind of hydrogen fuel cell, using the bipolar plates equipped with gap bridge air inlet described above.
Compared with prior art, the beneficial effects of the invention are as follows：
Gas channel is integrally formed with bipolar plates at the utility model bipolar plates air inlet, while being equipped with support construction strip
Protrusion, the structure fabrication process is simple, compact-sized, and intensity is unlikely to deform greatly, will not form Li Jiao, will not damage membrane electrode,
Meanwhile bipolar plates gas channel of the present invention is smooth into outlet, can provide and stablize into outlet gas passage in technical process.
Description of the drawings
Fig. 1 is bipolar plates plane structure chart.
Fig. 2 is bipolar plates air inlet local structural graph.
Specific implementation mode
It is further illustrated the present invention with reference to specific embodiment.Unless stated otherwise, it is used in the embodiment of the present invention
The raw material and conventional use of method of raw material and method for this field regular market purchase.
Embodiment 1
As shown in Figure 1, the utility model provides the bipolar plates for being equipped with gap bridge air inlet, including active region 1, distribution of air flow
Area 2, seal area 3.Active region 1 is fastened by anode plate and cathode plate,
Air inlet 4 there are two distributing between area 2 and seal area 3 and set in bipolar plates overdraught, each the air inlet 4 is oblique
Side be equipped with it is several be mutually parallel, the evenly distributed inlet channel 5 communicated with distribution of air flow area 2, the inlet channel 5 with it is bipolar
Plate is integrally formed.
The preferred inlet channel cross section is similar to hexagon in the present embodiment.
The number of inlet channel in the present embodiment at preferably each air inlet is 5 ~ 15；Further, the present embodiment
The number of middle inlet channel is 10.
The inlet channel longitudinal direction is equipped with the item across inlet channel at preferably each air inlet in the present embodiment
Shape protrusion 6 is arranged to that the inlet channel 5, the height of the strip projected parts 6 is supported to be more than the height of inlet channel 5, institute
It is preferably 0.05 ~ 0.1mm to state difference in height.
The cross section of the preferred strip projected parts is similar to hexagon in the present embodiment；The number of the strip projected parts is 1
It is a.
Claims (9)
1. a kind of bipolar plates equipped with gap bridge air inlet, which is characterized in that including anode plate and cathode plate, the anode plate and the moon
Pole plate mutually fastens, between form active region, distribution of air flow area and seal area, distribute area and seal area in bipolar plates overdraught
Between set there are two air inlet, the bevel edge of each air inlet be equipped with it is several be mutually parallel, evenly distributed and distribution of air flow
The inlet channel that area communicates, the inlet channel are integrally formed with bipolar plates.
2. being equipped with the bipolar plates of gap bridge air inlet according to claim 1, which is characterized in that the inlet channel cross section is
Approximate hexagon.
3. being equipped with the bipolar plates of gap bridge air inlet according to claim 1, which is characterized in that the air inlet at each air inlet is logical
The number in road is 5 ~ 15.
4. being equipped with the bipolar plates of gap bridge air inlet according to claim 3, which is characterized in that the number of inlet channel is 10
It is a.
5. according to the bipolar plates for being equipped with gap bridge air inlet described in any one of claim 1 ~ 4, which is characterized in that at each air inlet
The inlet channel longitudinal direction is equipped with the strip projected parts across inlet channel, is arranged to support the inlet channel,
The height of the strip projected parts is more than the height of inlet channel.
6. according to claim 5 be equipped with gap bridge air inlet bipolar plates, which is characterized in that the difference in height be 0.05 ~
0.1mm。
7. being equipped with the bipolar plates of gap bridge air inlet according to claim 5, which is characterized in that the cross section of the strip projected parts
For approximate hexagon.
8. being equipped with the bipolar plates of gap bridge air inlet according to claim 5, which is characterized in that the number of the strip projected parts is
1.
9. a kind of hydrogen fuel cell, which is characterized in that be equipped with gap bridge air inlet using described in claim 1 ~ 8 any claim
The bipolar plates of mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820185946.3U CN207781764U (en) | 2018-02-02 | 2018-02-02 | A kind of bipolar plates and hydrogen fuel cell equipped with gap bridge air inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820185946.3U CN207781764U (en) | 2018-02-02 | 2018-02-02 | A kind of bipolar plates and hydrogen fuel cell equipped with gap bridge air inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207781764U true CN207781764U (en) | 2018-08-28 |
Family
ID=63211086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820185946.3U Active CN207781764U (en) | 2018-02-02 | 2018-02-02 | A kind of bipolar plates and hydrogen fuel cell equipped with gap bridge air inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207781764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3109473A1 (en) | 2020-04-21 | 2021-10-22 | L'air Liquide, Societe Anonyme Pour L'etude Et L’Exploitation Des Procedes Georges Claude | Bipolar plate of fuel cell with advanced heat transfer fluid circuit |
| CN114373955A (en) * | 2021-12-31 | 2022-04-19 | 新源动力股份有限公司 | Proton exchange membrane fuel cell bipolar plate |
-
2018
- 2018-02-02 CN CN201820185946.3U patent/CN207781764U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3109473A1 (en) | 2020-04-21 | 2021-10-22 | L'air Liquide, Societe Anonyme Pour L'etude Et L’Exploitation Des Procedes Georges Claude | Bipolar plate of fuel cell with advanced heat transfer fluid circuit |
| CN114373955A (en) * | 2021-12-31 | 2022-04-19 | 新源动力股份有限公司 | Proton exchange membrane fuel cell bipolar plate |
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