CN208315673U - Cooling component and fuel cell pile for fuel cell pile - Google Patents
Cooling component and fuel cell pile for fuel cell pile Download PDFInfo
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- CN208315673U CN208315673U CN201820552201.6U CN201820552201U CN208315673U CN 208315673 U CN208315673 U CN 208315673U CN 201820552201 U CN201820552201 U CN 201820552201U CN 208315673 U CN208315673 U CN 208315673U
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- Prior art keywords
- fuel cell
- cooling
- cooling medium
- cell pile
- main structure
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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 cooling component for fuel cell pile, it includes main structure, wherein, the side of main structure is provided with cooling medium entrance and cooling medium outlet, and in the cooling medium runner for being internally provided with connection cooling medium entrance and cooling medium outlet of main structure.The utility model also provides a kind of fuel cell pile.The purpose of this utility model is to provide a kind of cooling components for fuel cell pile and a kind of fuel cell pile, at least to realize simplified conventional bipolar plate structure and type, the internal resistance of bipolar plates and its contact resistance of inside are effectively reduced, simultaneously effective improves Performance data and power density guaranteeing that pile is thermally equilibrated.
Description
Technical field
The utility model relates to fuel cell fields, and in particular to the cooling group for fuel cell pile
Part and fuel cell pile.
Background technique
Proton exchange film fuel cell electric piling needs to be maintained at optimum working temperature range at runtime, as pile is transported
Row, stack temperature can gradually rise, and the excessively high meeting of temperature is so that the evaporation rate of water is greater than the life of product water in proton exchange membrane
At speed, so that moisture gradually decreases in film, the transmission rate of film inner proton is seriously affected, is eventually led under battery performance
Drop.Therefore, it needs to take certain cooling provision in the work course to guarantee that its operating temperature maintains optimum temperature model
In enclosing, the common type of cooling is water cooling and air-cooled.Good fuel cell cooling component can maintain fuel cell heat flat
Weighing apparatus, is conducive to fuel cell pile stability and life-time dilatation.
The cooling component that fuel cell pile uses at present is bipolar plates coolant flow channel, i.e., bipolar plates side is reaction gas
Runner, the other side are cooling medium runner.The component is preferable to pile cooling effect, but simultaneously there is also certain problem, double
Individual internal cooling channel need to be arranged for every layer of battery in polar plate flow passage cooling component, so that pile bipolar plate structure is complicated
Type is more, makes troubles to the sealing and assembling of pile.Most importantly the presence of bipolar plates coolant flow channel is largely
Internal resistance and the contact resistance of pile bipolar plates are increased, and then causes Performance data poor.
Utility model content
For problem present in the relevant technologies, the purpose of this utility model is to provide one kind to be used for fuel cell pile
Cooling component and a kind of fuel cell pile effectively reduced bipolar at least realizing simplified conventional bipolar plate structure and type
The internal resistance of plate and its contact resistance of inside are guaranteeing that pile thermally equilibrated simultaneously effective raising Performance data and power are close
Degree.
To achieve the above object, the utility model provides a kind of cooling component for fuel cell pile comprising
Main structure, wherein the side of main structure is provided with cooling medium entrance and cooling medium outlet, and in main structure
Be internally provided with connection cooling medium entrance and cooling medium outlet cooling medium runner.
An exemplary embodiment according to the present utility model, cooling medium runner are situated between in the inside of main structure by cooling down
Matter entrance is serpentine-like to extend to cooling medium outlet.
An exemplary embodiment according to the present utility model, cooling medium runner be in main structure hollow processing and
At tubular channel, the diameter in tubular channel is d, and the distance between adjacent cooling medium runner is D, wherein D with
The ratio of d is between 1~2.
An exemplary embodiment according to the present utility model, cooling medium entrance and cooling medium outlet are arranged in main body
The same side or opposite side of structure.
An exemplary embodiment according to the present utility model, main structure are additionally provided with fuel gas inlet and fuel gas
Body outlet and air or oxygen entrance and air or oxygen outlet.
An exemplary embodiment according to the present utility model is additionally provided with electrode connecting hole in the side of main structure
Position.
Another aspect according to the present utility model provides a kind of fuel cell pile, which includes stacking
End plate, collector plate, bipolar plates, membrane electrode and at least two cooling components as described above of setting, wherein the master of cooling component
The size and shape of body structure is matched with bipolar plates.
An exemplary embodiment according to the present utility model, the cooling medium runner of each cooling component is in main structure
Interior restriction heat exchange area S1, bipolar plates have effective active area response region S2, wherein S1=S2.
An exemplary embodiment according to the present utility model, all cooling components are symmetrically divided in fuel cell pile
Cloth.
An exemplary embodiment according to the present utility model is connected in parallel between all cooling components.
The advantageous effects of the utility model are:
(1) fuel cell pile provided by the utility model includes independently of the cooling component except bipolar plates, compared to biography
System bipolar plates coolant flow channel, simplifies bipolar plate structure and form, is conducive to processing and fabricating and the pile assembling of bipolar plates；
(2) fuel cell pile of cooling component provided by the utility model is used, is flowed in bipolar plate structure without cooling
Road, thus considerably reduce bipolar plates internal resistance and its between contact resistance, to significantly improve Performance data and power is close
Degree.And
(3) cooling component provided by the utility model has good conductive property and Corrosion Protection, therefore cold at this
But the function that traditional pile collector plate can be taken into account in component after increase electrode connection hole location, reduces pile assembling spare part.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 instantiates the solid of the cooling component for fuel cell pile of one embodiment according to the present utility model
Figure；
Fig. 2 instantiates the floor map of cooling component shown in FIG. 1；
Fig. 3 instantiates the perspective diagram of cooling component shown in FIG. 1；
Fig. 4 instantiates the flat of the cooling component for fuel cell pile of another embodiment according to the present utility model
Face schematic diagram；
Fig. 5 instantiates the flat of the cooling component for fuel cell pile of another embodiment according to the present utility model
Face schematic diagram；
Fig. 6 instantiates the structural schematic diagram of the fuel cell pile of one embodiment according to the present utility model；And
Fig. 7 instantiates the floor map of the bipolar plates in fuel cell pile shown in fig. 6.
Specific embodiment
Below with reference to attached drawing, the embodiments of the present invention are specifically described.It should be noted that following each
Embodiment can be combined with each other in any possible manner or partial replacement.
Referring initially to Fig. 1 to Fig. 3, utility model provides a kind of cooling component 9 for fuel cell pile 20.It is specific and
Speech, cooling component 9 include main structure 16, and the side of main structure 16 is provided with the cooling medium entered for cooling medium stream and enters
Mouth 1 and the cooling medium outlet 2 gone out for cooling medium stream are further as shown in detail in fig. 3 arranged in the inside of main structure 16
Promising cooling medium flowing provides the cooling medium runner 8 in channel, wherein the both ends of cooling medium runner 8 are situated between with cooling respectively
Matter entrance 1 is connected with cooling medium outlet 2.In addition, in order to guarantee good cooling effect, in cooling medium entrance 1, cooling
The junction of media outlet 2, cooling medium runner 8 and main structure 16 is provided with sealed fixing device 7.
As shown in figure 3, cooling medium runner 8 is in snake in main structure 16 in one embodiment of the utility model
Shape extends distribution, and serpentine flow path is capable of increasing its region area occupied in main structure 16, to improve cooling medium
Heat exchange property.It is noted, however, that cooling medium runner 8 can also be taken directly in the other embodiments of the utility model
Line style flow passage structure or other any certifiable good flow passage structures of heat exchange property, the utility model do not constitute any limit to this
System.
Illustratively, cooling medium runner 8 can be formed and carrying out hollow out operation processing inside main structure 16, is
Reduce the flow resistance of cooling medium, the structure of hollow out runner 8 is designed as circular tube shaped and has diameter d.With continued reference to Fig. 3,
Cooling medium runner 8 shown in Fig. 3 is designed as in the embodiment of serpentine flow path, between the adjacent sections of cooling medium runner 8
Distance be D, wherein in order to guarantee enough heat exchange areas and good heat transfer effect, runner space D and flow diameter d it
Between ratio need to control between 1~2.
In one embodiment of the utility model, as shown in Fig. 2, cooling medium entrance 1 and cooling medium entrance 2 are arranged
On the same side of main structure 16；Alternatively, as shown in figure 4, in another embodiment of the utility model, cooling medium
Entrance 1 and cooling medium outlet 2 are arranged on the opposite side of main structure 16.
In addition, exemplary embodiment according to the present utility model, as shown in Figure 1 to Figure 3, main structure 16 are additionally provided with confession
The fuel gas inlet 3 and fuel gas outlet 6 of fuel gas disengaging and the air or oxygen passed in and out for air or oxygen enter
Mouth 4 and air or oxygen entrance 5.
In order to guarantee that fuel cell pile has good heat transfer effect and power generation performance, cooling component 9 need to have well
Electric conductivity, heating conduction and Corrosion Protection.For this purpose, the rapidoprint of cooling component 9 need to select electric conductivity, thermal conductivity and
The good material of anticorrosive property, such as gold-plated copper sheet can be selected.On this basis, with higher for guarantee fuel cell pile
Power density, the rapidoprint of cooling component 9 is preferably compared with the material of low-density, such as gold-plated titanium plate.Simultaneously cooling component 9 plus
Work material need to have certain hardness and voltage endurance capability, so that the pressurization assembling of fuel cell pile is gone on smoothly.Wherein, cooling
The lower-cost machine-tooled method of comparative maturity can be selected in the processing method of component 9, and processing essence can also be selected according to material properties
The technology of formed product can be realized by spending higher 3D printing technique or other.
As noted previously, as cooling component 9 has conductive and Corrosion Protection, therefore can be in the main body knot of cooling component 9
The side setting electrode of structure 16 connects hole location 14, to take into account the effect of collector plate in conventional fuel cell pile.
On the other hand, as shown in fig. 6, the utility model provides a kind of fuel cell pile 20, the fuel cell pile 20
Including end plate 10, collector plate 13, bipolar plates 11, membrane electrode 12 and at least two cooling components 9 as described above, relative to tradition
Pile cooling scheme, the cooling scheme of the utility model it is maximum difference be cooling component 9 independently of bipolar plates 11 except,
Its a part for being configured to fuel cell pile spare part.Wherein for the ease of the assembly of pile spare part, the main body of cooling component 9
The size and shape of structure 16 should be consistent with bipolar plates 11.
As shown in figure 3, the inside of the main structure 16 of cooling component 9 has carried out hollow processing in cooling component 9, it should
Hollowed out area is cooling medium circulation heat exchange area S1, that is to say, that the cooling medium runner 8 of each cooling component 9 is in master
Heat exchange area S1 is limited in body structure 16；Accordingly, as shown in fig. 7, bipolar plates 11 have effective active area response region S2.
In order to guarantee fuel cell pile temperature distribution evenness, the heat exchange area S1 in cooling component 9 can be set as and bipolar plates
Effective active area response region S2 approximate area in 11 is equal, that is, S1=S2.
In addition, as shown in fig. 6, one embodiment according to the present utility model, using cooling component 9 single pile 20 to
It less include two cooling components 9, and the two cooling components 9 are symmetrical arranged relative to pile spare part package assembly, that is, all
Cooling component 9 is symmetrical in fuel cell pile 20, and with the increase of pile power, can suitably increase cooling component 9
Quantity, monocell quantity having the same between adjacent cooling component 9, and circulating area is parallel connection between each cooling component 9
Relationship.
Fig. 6 is 20 schematic diagram of fuel cell pile structure using cooling component 9.Pile spare part includes end plate at this time
10, collector plate 13, cooling component 9, bipolar plates 11 and membrane electrode 12.As noted previously, as cooling component 9 has conductive and anti-corrosion
Corrosion energy, therefore lean on the external cooling component 9 in 10 side of proximal plate, i.e., increase the electricity of the extraneous load of connection in external cooling component 9
The effect of collector plate 13 can be taken into account after pole connection hole location 14 (as shown in Figure 5).Pile spare part includes end plate 10, belt electrode at this time
Cooling component 9, bipolar plates 11 and the membrane electrode 12 of hole location 14 are connected, and collector plate 13 is omitted.
There are many benefits using fuel cell pile 20 provided by the utility model, for example, fuel cell pile 20 wraps
It includes independently of the cooling component 9 except bipolar plates 11, compares conventional bipolar plate coolant flow channel, simplify the structure and shape of bipolar plates
Formula is conducive to processing and fabricating and the pile assembling of bipolar plates.In addition, using the fuel of cooling component 9 provided by the utility model
Battery stack 20 is free of coolant flow channel in bipolar plates 11, thus considerably reduce bipolar plates internal resistance and its between contact electricity
Resistance, to significantly improve Performance data and power density.In addition, cooling component 9 provided by the utility model has good lead
Electrical property and Corrosion Protection, therefore traditional pile afflux can be taken into account after increasing electrode connection hole location 14 in the cooling component 9
The function of plate reduces pile assembling spare part.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of cooling component for fuel cell pile, which is characterized in that including main structure, wherein in the main body
The side of structure is provided with cooling medium entrance and cooling medium outlet, and is internally provided with connection in the main structure
The cooling medium runner of the cooling medium entrance and cooling medium outlet.
2. the cooling component according to claim 1 for fuel cell pile, which is characterized in that the cooling medium stream
Road extends to the cooling medium outlet by the cooling medium entrance is serpentine-like in the inside of the main structure.
3. the cooling component according to claim 2 for fuel cell pile, which is characterized in that the cooling medium stream
Road is the tubular channel made of hollow processing in the main structure, and the diameter in the tubular channel is d, and adjacent
The distance between described cooling medium runner is D, wherein the ratio of D and d is between 1~2.
4. the cooling component according to claim 1 for fuel cell pile, which is characterized in that the cooling medium enters
The same side or opposite side of the main structure is arranged in mouth and cooling medium outlet.
5. the cooling component according to claim 1 for fuel cell pile, which is characterized in that the main structure is also
It is provided with fuel gas inlet and fuel gas outlet and air or oxygen entrance and air or oxygen outlet.
6. the cooling component according to claim 1 for fuel cell pile, which is characterized in that in the main structure
Side be additionally provided with electrode connection hole location.
7. a kind of fuel cell pile, which is characterized in that end plate, collector plate, bipolar plates, membrane electrode and extremely including stacking setting
Few two such as cooling component of any of claims 1-6, wherein the main structure of the cooling component it is big
Small and shape is matched with the bipolar plates.
8. fuel cell pile according to claim 7, which is characterized in that cooling Jie of each cooling component
Mass flow road limits heat exchange area S1 in the main structure, and the bipolar plates have effective active area response region S2,
In, S1=S2.
9. fuel cell pile according to claim 7, which is characterized in that all cooling components are in the fuel electricity
It is symmetrical in the pile of pond.
10. fuel cell pile according to claim 7, which is characterized in that in parallel between all cooling components to connect
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820552201.6U CN208315673U (en) | 2018-04-18 | 2018-04-18 | Cooling component and fuel cell pile for fuel cell pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820552201.6U CN208315673U (en) | 2018-04-18 | 2018-04-18 | Cooling component and fuel cell pile for fuel cell pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208315673U true CN208315673U (en) | 2019-01-01 |
Family
ID=64719299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820552201.6U Active CN208315673U (en) | 2018-04-18 | 2018-04-18 | Cooling component and fuel cell pile for fuel cell pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208315673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888329A (en) * | 2019-01-28 | 2019-06-14 | 浙江锋源氢能科技有限公司 | Adopt battery plate component |
| CN112366333A (en) * | 2020-09-21 | 2021-02-12 | 中国科学院大连化学物理研究所 | 3D printing processing method of conductive partition plate with gas-liquid distribution flow field |
-
2018
- 2018-04-18 CN CN201820552201.6U patent/CN208315673U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888329A (en) * | 2019-01-28 | 2019-06-14 | 浙江锋源氢能科技有限公司 | Adopt battery plate component |
| CN112366333A (en) * | 2020-09-21 | 2021-02-12 | 中国科学院大连化学物理研究所 | 3D printing processing method of conductive partition plate with gas-liquid distribution flow field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221207 Address after: No. 120, Floor 2, Building 2, Yard 9, Fengyuan Street, Daxing District, Beijing 100162 Patentee after: Beijing Yingbojie Hydrogen Technology Co.,Ltd. Address before: 100160 No. 10, 188 South Fourth Ring West Road, Fengtai District, Beijing Patentee before: BEIJING IN-POWER NEW ENERGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |