CN205666283U - Fuel cell system and fuel cell's drainage system - Google Patents
Fuel cell system and fuel cell's drainage system Download PDFInfo
- Publication number
- CN205666283U CN205666283U CN201620538422.9U CN201620538422U CN205666283U CN 205666283 U CN205666283 U CN 205666283U CN 201620538422 U CN201620538422 U CN 201620538422U CN 205666283 U CN205666283 U CN 205666283U
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- hydrophobic deg
- air
- region
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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 utility model provides a fuel cell system and fuel cell's drainage system, fuel cell's drainage system includes: air condenser sets up at the fuel cell stack air outlet, be suitable for with the vaporous water condensation that contains in the air outlet combustion gas is the aqueous water, the comdenstion water water tank, with air condenser is coupled, is suitable for the collection the aqueous water of air condenser condensation. Adopt above -mentioned scheme, can effectively prevent the water logging electrode, improve fuel cell job stabilization nature and durability.
Description
Technical field
This utility model relates to field of fuel cell technology, particularly relates to the row of a kind of fuel cell system and fuel cell
Water system.
Background technology
Proton Exchange Membrane Fuel Cells (Proton Exchange Membrane Fuel Cell, PEMFC) is with hydrogen
For fuel, the electrochemical generating unit with oxygen as oxidant.Due to its environment friendly, energy conversion rate is high and quickly responds
Etc. advantage it is considered to be the most clean and efficient generation of electricity by new energy device.
Proton Exchange Membrane Fuel Cells is when normal power generation, and the aqueous water that hydrogen and oxygen reaction generate is present in the moon in a large number
Pole runner, a portion aqueous water can flow out pile along with air, and another part aqueous water passes through membrane electrode diffusion to anode.
If the aqueous water produced cannot discharge in time, may result in aqueous water and accumulate in Catalytic Layer and gas diffusion layers, cause electrode
Local, by water logging, causes proton exchange film fuel battery performance to decline and the decay of catalyst.
Utility model content
This utility model solves the technical problem that it is how to prevent waterflooding electrode, improve operation of fuel cells stability and
Durability.
For solving above-mentioned technical problem, this utility model embodiment provides the drainage system of a kind of fuel cell, including:
Aerial condenser, is arranged on fuel cell pack air outlet slit, is suitable to institute in described air outlet slit expellant gas
The vaporous water contained is condensed into aqueous water；
Condensed water water tank, couples with described aerial condenser, is suitable to collect the aqueous water of described aerial condenser condensation.
Optionally, the drainage system of described fuel cell also includes: condensing hot air furnace valve, with described condensed water water tank coupling
Connect, be suitable to open when the liquid water accumulations detected in described condensed water water tank is to said preset amount of water, with by described condensed water water
Aqueous water in case is discharged；Deionizater, couples with described condensing hot air furnace valve, is suitable to discharge in described condensed water water tank
Aqueous water carries out deionization purification.
Optionally, described deionizater couples with the air humidifier of described fuel cell, and described deionizater is discharged
Aqueous water through deionization purification is input to the air humidifier of described fuel cell.
Optionally, the condensation intensity of described aerial condenser is by the air inlet humidity of described fuel cell pack, described combustion
The magnitude relationship of the air outlet slit humidity of material battery pile determines.
Optionally, the drainage system of described fuel cell also includes: condensation intensity adjustments device, is suitable to when described fuel electricity
When the air inlet humidity of Chi Dui is less than the air outlet slit humidity of described fuel cell pack, increase the condensation of described aerial condenser
Intensity；And when the air inlet humidity of described fuel cell pair is more than the air outlet slit humidity of described fuel cell pack, and the two
Difference less than preset humidity value time, reduce the condensation intensity of described aerial condenser.
Optionally, described fuel cell pack includes multiple monocell being connected in parallel, and described monocell includes that negative electrode spreads
Layer, described cathode diffusion layer is divided into N1The region that individual hydrophobic deg is different, and the hydrophobic deg in each region is along the flowing of air
Direction increases successively, 2≤N1≤10。
Optionally, the hydrophobic deg of described cathode diffusion layer is 30%～90%.
Optionally, described monocell includes that flow-field plate, described flow-field plate are divided into N2The region that individual hydrophobic deg is different, and
The hydrophobic deg in each region increases successively along the flow direction of air, 2≤N2≤10。
Optionally, the hydrophobic deg of described flow-field plate is 30%～90%.
Optionally, described monocell includes that anode diffusion layer, described anode diffusion layer are divided into N3Individual hydrophobic deg is different
Region, and the hydrophobic deg in each region increases successively along the flow direction of hydrogen, 2≤N3≤10。
Optionally, the hydrophobic deg of described anode diffusion layer is 30%～90%.
This utility model embodiment provides a kind of fuel cell system, including: fuel cell pack, described fuel cell pack
Including multiple monocells being connected in parallel, described monocell includes that cathode diffusion layer, described cathode diffusion layer are divided into N1Individual
The region that hydrophobic deg is different, and the hydrophobic deg in each region increases successively along the flow direction of air, 2≤N1≤10。
Optionally, the hydrophobic deg of described cathode diffusion layer is 30%～90%.
Optionally, described monocell includes that flow-field plate, described flow-field plate are divided into N2The region that individual hydrophobic deg is different, and
The hydrophobic deg in each region increases successively along the flow direction of air, 2≤N2≤10。
Optionally, the hydrophobic deg of described flow-field plate is 30%～90%.
Optionally, described monocell includes that anode diffusion layer, described anode diffusion layer are divided into N3Individual hydrophobic deg is different
Region, and the hydrophobic deg in each region increases successively along the flow direction of hydrogen, 2≤N3≤10。
Optionally, the hydrophobic deg of described anode diffusion layer is 30%～90%.
This utility model embodiment provides another kind of fuel cell system, including: fuel cell pack, described fuel cell
Heap includes multiple monocell being connected in parallel, and described monocell includes that anode diffusion layer, described anode diffusion layer are divided into N3
The region that individual hydrophobic deg is different, and the hydrophobic deg in each region increases successively along the flow direction of air, 2≤N3≤10。
Optionally, the hydrophobic deg of described anode diffusion layer is 30%～90%.
Optionally, described monocell includes that flow-field plate, described flow-field plate are divided into N2The region that individual hydrophobic deg is different, and
The hydrophobic deg in each region increases successively along the flow direction of air, 2≤N2≤10。
Optionally, the hydrophobic deg of described flow-field plate is 30%～90%.
Compared with prior art, the technical scheme of this utility model embodiment has the advantages that
Aerial condenser is set at fuel cell pack air outlet slit, by aerial condenser, fuel cell pack air is gone out
Vaporous water in the gas that mouth is got rid of is condensed into aqueous water, and collects, by condensed water water tank, the aqueous water that condensation obtains, thus
Waterflooding electrode can be effectively prevented, improve stability and the durability of operation of fuel cells.
Further, condensing hot air furnace valve and deionizater are set, the aqueous water in condensed water water tank is discharged and is gone from
After son purifies, input the air humidifier to the air intake of fuel cell pack, it is achieved recycling of aqueous water.
Further, obtaining air inlet humidity and the air outlet slit humidity of fuel cell pack, the condensation to condenser is strong
Degree is adjusted, and controls the condensation effect of condenser, when the air outlet slit humidity of fuel cell pack is bigger, shows that membrane electrode contains
The water yield is higher, improves condensation intensity and can strengthen the output of aqueous water；When the air outlet slit humidity of fuel cell pack is less,
Show that membrane electrode water content is relatively low, reduce condensation intensity and be possible to prevent the internal overdrying of pile.
Additionally, by the hydrophobic deg of the cathode diffusion layer of the monocell in fuel cell pack along air flow direction successively
Increase, promote fuel cell to discharge near the aqueous water of air outlet slit end, and ensure, near air inlet end, there is certain water
Point, thus under the effect of Concentraton gradient, it is achieved the membrane electrode of fuel cell both also will not will not be led because of overdrying by water logging
Cause ohmage is excessive.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of fuel cell system in this utility model；
Fig. 2 is the structural representation of the monocell of existing a kind of fuel cell pack；
Fig. 3 is the structural representation of a kind of cathode diffusion layer in this utility model embodiment；
Fig. 4 is the structural representation of a kind of flow-field plate in this utility model embodiment；
Fig. 5 is the operative scenario figure of a kind of monocell in this utility model embodiment；
Fig. 6 is the operative scenario figure of the another kind of monocell in this utility model embodiment.
Detailed description of the invention
In prior art, Proton Exchange Membrane Fuel Cells when normal power generation, the source of fuel battery negative pole side aqueous water
Mainly include two aspects that 1) condensation of liquid water in humidifying air；2) back-diffusion of anode-side aqueous water.On the one hand, fuel cell
The aqueous water generated during normal power generation is mainly at cathode side, and the aqueous water of cathode side is diffused into anode under Concentraton gradient, and positive
The aqueous water of side, pole can be diffused into again negative electrode under retrodiffusion, causes anode and cathode both sides to reach dynamic equilibrium.On the other hand,
Fuel cell is when normally working, and the air of cathode side needs the humidification through humidifier, enters improving the water content of membrane electrode
And reduce the ohmage of fuel cell, improve the generating capacity of fuel cell.Humidifying air from the entrance of runner along with electrification
Learn reaction and flow to the outlet of runner, owing to fuel cell reaction generates water so that the water content in runner exit air is relatively
Height, is similar to saturated gas state.If fuel battery inside temperature distributing disproportionation with, near outlet saturated gas in gaseous state
Water can be condensed into aqueous water.
To sum up, in prior art, the probability of fuel battery negative pole side liquid water accumulations is relatively big, and then causes electrode local
Relatively big by the probability of water logging, cause proton exchange film fuel battery performance to decline and the decay of catalyst.
In this utility model embodiment, aerial condenser is set at fuel cell pack air outlet slit, cold by air
Vaporous water in the gas that fuel cell pack air outlet slit is got rid of by condenser is condensed into aqueous water, and is collected by condensed water water tank
The aqueous water that condensation obtains, such that it is able to be effectively prevented waterflooding electrode, improves stability and the durability of operation of fuel cells.
Understandable, below in conjunction with the accompanying drawings for enabling above-mentioned purpose of the present utility model, feature and beneficial effect to become apparent from
Specific embodiment of the utility model is described in detail.
With reference to Fig. 1, give the structural representation of a kind of fuel cell system in this utility model embodiment, fuel electricity
Cell system includes: air compressor and controller 1, air humidifier 2, air inlet humidity meter 3, air inlet valve 4, by multiple
Monocell 5 is connected in parallel the fuel cell pack 6 of composition, hydrogen tail valve 7, hydrogen source 8, hydrogen gas valve 9, air outlet slit humidity
Meter 10, air tail valve 12 and the drainage system of fuel cell, wherein: the drainage system of fuel cell can include that air is cold
Condenser 11 and the condensed water water tank 13 being coupled with it.
In being embodied as, aerial condenser 11 can be arranged on air outlet slit drimeter 10 and air tail valve 12 it
Between.After the air outlet slit drimeter 10 of the air outlet slit expellant gas of fuel cell pack 6, aerial condenser 11, via air
Tail valve 12 is discharged.
The gas that the air outlet slit of fuel cell pack 6 is got rid of is expellant gas in cathode distribution pipe road and runner.Generally
In the case of, in cathode distribution pipe road and runner, expellant gas is the gas through humidification.Aerial condenser 11 can be to fuel
The air outlet slit expellant gas of battery pile 6 carries out condensation process, and the vaporous water in expellant gas is condensed into aqueous water, from
And the water content of the gas at air outlet slit is reduced.When gas water content at air outlet slit reduces, at Concentraton gradient
Under effect, it is outside that the gas that in cathode distribution pipe road and runner, water content is higher can promptly be discharged to fuel cell pack 6.
The aqueous water that aerial condenser 11 condensation obtains can be collected by condensed water water tank 13.
As can be seen here, aerial condenser is set at fuel cell pack air outlet slit, by aerial condenser by fuel electricity
Vaporous water in the gas that pond heap air outlet slit is got rid of is condensed into aqueous water, and collects, by condensed water water tank, the liquid that condensation obtains
State water, such that it is able to be effectively prevented waterflooding electrode, improves stability and the durability of operation of fuel cells.
Applying in reality, along with the increase of fuel cell operating time, the aqueous water collected in condensed water water tank 13 can be by
Cumulative add.For avoiding condensed water water tank 13 saturated, the aqueous water will can collected in condensed water water tank 13 by special pipeline
It is expelled to fuel cell external, it is also possible to the aqueous water collected in condensed water water tank 13 is circulated utilization.
In this utility model embodiment, condensed water can be set between condensed water water tank 13 and air humidifier 2 and return
Receive valve 14 and deionizater 15, wherein: condensing hot air furnace valve 14 couples with condensed water water tank 13, when condensed water water tank being detected
Open when liquid water accumulations in 13 is to the water yield preset, such that it is able to the aqueous water in condensed water water tank 13 is discharged；Go from
Sub-device is arranged between condensing hot air furnace valve 14 and air humidifier 2, when condensing hot air furnace valve 14 is opened, by condensed water water tank
The aqueous water discharged in 13 carries out deionization purification, in the aqueous water input after deionization purifies to air humidifier 2, from
And recycling of water resource can be realized.
Water pump can be set between deionizater 15 and air humidifier 2, thus by the liquid after deionization purifies
State water is pumped in air humidifier 2.The water higher than air humidifier 2 that the level height of deionizater 15 can also be arranged
Flat height, thus under gravity, the aqueous water after deionizater 15 purifies is inputted to air humidifier 2.
In this utility model embodiment, the condensation intensity of aerial condenser 11 is adjustable, can be by condensation intensity
The condensation intensity of aerial condenser 11 is adjusted by adjusting means (not shown in figure 1).
Condensation intensity adjustments device can be with aerial condenser 11, air inlet humidity meter 3 and air outlet slit drimeter
10 couple, and obtain air inlet humidity meter 3 and measure air inlet humidity value R obtainedin, air outlet slit drimeter measurement obtains
Air outlet slit humidity value Rout, according to the R gotinAnd RoutTherebetween magnitude relationship, judges whether to need sky
The condensation intensity of gas condenser 11 is adjusted, and be to increase condensation intensity still reduce condensation intensity.
In this utility model one embodiment, work as Rin＜ RoutTime, it is possible to determine that air outlet slit humidity is excessive, it is understood that there may be
Aqueous water, now condensation intensity adjustments device can control aerial condenser 11 and increase condensation intensity, to strengthen the row of aqueous water
Output, it is to avoid membrane electrode is by water logging.
Otherwise, work as Rin＞ Rout, it is possible to determine that air outlet slit humidity is relatively low, and the water content of membrane electrode is relatively low.Work as Rin-Rout
During ＜ Δ R, condensation intensity adjustments device can control aerial condenser 11 and reduce condensation intensity, prevents inside battery pile the most dry
Dry.
In this utility model embodiment, condensation intensity adjustments device can be that independent being suitable to controls air setting
The device of device 11, it is also possible to be the control device being built in aerial condenser 11, as long as condensation intensity adjustments device can obtain
Take RinAnd Rout, and according to relation therebetween, the condensation intensity of aerial condenser 11 is adjusted.In this practicality
In a novel embodiment, aerial condenser 11 is built-in with condensation intensity adjustments device.
With reference to Fig. 2, give the structural representation of the monocell of existing a kind of fuel cell pack.
Monocell 5 in fuel cell pack 6 can include flow-field plate 16, cathode diffusion layer 17, cathode catalysis layer 18, proton
Exchange membrane 19, anode catalyst layer 20, anode diffusion layer 21 and hydrogen runner 22.
In this utility model embodiment, the cathode diffusion layer 17 that monocell 5 comprises can possess certain hydrophobicity.Can
With the direction flowed along air, cathode diffusion layer 17 is divided into N1The region that individual hydrophobic deg is different, and zones of different dredge
The direction (a direction as in Fig. 2) that water degree flows along air increases successively.N1Can be according to the active area of monocell 5
Size divides, and active area is the biggest, N1Value the highest；Otherwise, active area is the least, N1Value the least.N1Span can
Think 2≤N1≤10。
Owing to the hydrophobic deg of zones of different increases successively along air-flow direction, therefore near the region of air outlet slit
Hydrophobic deg the highest, so that it is guaranteed that can discharge smoothly near the aqueous water of air outlet area.But in order to ensure near sky
The membrane electrode in the region of gas outlet is unlikely to excessively to be dried and cause ohmage excessive, therefore can set to go out near air
The hydrophobic deg in the region of mouth can not be more than certain value.All regions in this utility model embodiment, in cathode diffusion layer 17
The span of hydrophobic deg can be minimum near the hydrophobic deg in the region of air intake between 30%～90%, lean on most
The hydrophobic deg in the region of nearly air outlet slit is maximum.
The material that the zones of different of cathode diffusion layer 17 is corresponding can be identical, it is also possible to different.For simplifying production procedure, cloudy
The zones of different of pole diffusion layer 17 can select identical material, but the proportioning between material corresponding to zones of different is different,
Thus realize the corresponding different hydrophobic deg of zones of different.
With reference to Fig. 3, give the structural representation of a kind of cathode diffusion layer 17 in this utility model embodiment.A direction
For air-flow direction, then the hydrophobic deg in region 161,162,163 and 164 is ordered as: the hydrophobic deg in region 161 is minimum, district
The hydrophobic deg in territory 162 is higher than the hydrophobic deg in region 162 higher than the hydrophobic deg in region 161, the hydrophobic deg in region 163, region 164
Hydrophobic deg is the highest.
Such as, the hydrophobic deg in region 161 is 30%, and the hydrophobic deg in region 162 is 45%, and the hydrophobic deg in region 163 is
60%, the hydrophobic deg in region 164 is 75%.
In this utility model embodiment, the flow-field plate 16 of monocell 5 can also possess certain hydrophobicity.Expand with negative electrode
Dissipate layer 17 similar, flow-field plate 16 is divided into N2The region that individual hydrophobic deg is different, and the hydrophobic deg of zones of different is along air
The direction (a direction as in Fig. 2) of flowing increases successively.N2Span can be 2≤N2≤10。
With reference to Fig. 4, give the structural representation of a kind of flow-field plate 16 in this utility model embodiment.A direction is empty
Flow of air direction, then the hydrophobic deg in region 171,172,173 and 174 is ordered as: the hydrophobic deg in region 171 is minimum, region 172
Hydrophobic deg higher than the hydrophobic deg in region 171, the hydrophobic deg in region 173 higher than the hydrophobic deg in region 172, region 174 hydrophobic
Spend the highest.
By the cathode diffusion layer 17 of monocell 5 and flow-field plate 16 are divided into the region that multiple hydrophobic deg is different, more
The lowest near the hydrophobic deg of air intake, the highest the closer to the hydrophobic deg of air outlet slit, then under the effect of Concentraton gradient, water from
Air intake is gradually emitted into air outlet slit.Hydrophobic deg near the region of air outlet slit is the highest, it is possible to promote the row of aqueous water
Go out.Use the cathode diffusion layer 17 of said structure, it is possible to achieve membrane electrode both also will not will not be excessively dried by water logging and cause
Ohmage is excessive.
In this utility model embodiment, the anode diffusion layer 21 of monocell 5 can also possess certain hydrophobicity.With the moon
Pole diffusion layer 17 is similar, and anode diffusion layer 21 is divided into N3The region that individual hydrophobic deg is different, and the hydrophobic deg of zones of different
Flow direction along hydrogen increases successively, N3Span can be 2≤N3≤10.All districts in anode diffusion layer 21
The span of the hydrophobic deg in territory can be between 30%～90%.
With reference to Fig. 5 and Fig. 6, give the operative scenario figure of two kinds of monocells in this utility model embodiment.
In Fig. 5, the flow direction of air is a direction, and the flow direction of hydrogen is b direction, and a direction is in opposite direction with b.
Cathode diffusion layer 17 is divided into 4 regions, and the hydrophobic deg in 4 regions increases successively along a direction；Anode diffusion layer
21 are also divided into 4 regions, and the hydrophobic deg in 4 regions increases successively along b direction.When air moves with hydrogen counter current flow, cloudy
Pole diffusion layer 17 can be the hydrogen humidification that hydrogen inlet side inputs near the aqueous water of the Area generation of air outlet slit side.
In Fig. 6, the flow direction of air is a direction, and the flow direction of hydrogen is also a direction.Dredging of cathode diffusion layer 17
Water degree all increases along a direction successively with the hydrophobic deg of anode diffusion layer 21.Now, cathode diffusion layer 17 is near the district of outlet side
Territory cannot be to the hydrogen humidification of hydrogen inlet side input.
In conjunction with Fig. 1, below by way of the operation principle of the specific embodiment fuel cell system to providing in above-described embodiment
Illustrate.
First, vaporous water contained in fuel cell pack air outlet slit expellant gas is condensed into aqueous water.In this reality
With in new embodiment, can be by aerial condenser 11 by contained in the air outlet slit expellant gas of fuel cell pack 6
Vaporous water is condensed into aqueous water.Afterwards, the liquid that condensation obtains collected by the condensed water water tank 13 by coupling with aerial condenser 11
State water.When detecting that the liquid water accumulations of collection is to said preset amount of water, the aqueous water that will collect is discharged.
In this utility model embodiment, when detecting that liquid water accumulations that condensed water water tank 13 is collected is to predetermined number
Time, condensing hot air furnace valve 14 is opened, such that it is able to discharged by the aqueous water collected in condensed water water tank 13.In condensed water water tank 13
The aqueous water collected potentially includes some ions, therefore, it can the aqueous water of discharge is carried out deionization purification.
In this utility model embodiment, by deionizater 15, the aqueous water discharged in condensed water water tank 13 can be entered
Row deionization purifies.The aqueous water purified through deionization is inputted the air humidifier to fuel cell.
As can be seen here, aerial condenser is set at the air outlet slit of fuel cell pack, by aerial condenser by fuel
Vaporous water in the gas that battery pile air outlet slit is got rid of is condensed into aqueous water, and collects what condensation obtained by condensed water water tank
Aqueous water, such that it is able to be effectively prevented waterflooding electrode, improves stability and the durability of operation of fuel cells.
Although this utility model discloses as above, but this utility model is not limited to this.Any those skilled in the art,
Without departing from spirit and scope of the present utility model, all can make various changes or modifications, protection domain the most of the present utility model
Should be as the criterion with claim limited range.
Claims (21)
1. the drainage system of a fuel cell, it is characterised in that including:
Aerial condenser, is arranged on fuel cell pack air outlet slit, is suitable to contained in described air outlet slit expellant gas
Vaporous water is condensed into aqueous water；
Condensed water water tank, couples with described aerial condenser, is suitable to collect the aqueous water of described aerial condenser condensation.
2. the drainage system of fuel cell as claimed in claim 1, it is characterised in that also include:
Condensing hot air furnace valve, couples with described condensed water water tank, is suitable to when the aqueous water detecting in described condensed water water tank tires out
Open when amassing said preset amount of water, so that the aqueous water in described condensed water water tank is discharged；
Deionizater, couples with described condensing hot air furnace valve, is suitable to remove the aqueous water discharged in described condensed water water tank
Ion cleaning.
3. the drainage system of fuel cell as claimed in claim 2, it is characterised in that described deionizater and described fuel electricity
The air humidifier in pond couples, and the aqueous water through deionization purification that described deionizater is discharged is input to described fuel cell
Air humidifier.
4. the drainage system of fuel cell as claimed in claim 1, it is characterised in that the condensation intensity of described aerial condenser
Determined by the magnitude relationship of the air inlet humidity of described fuel cell pack, the air outlet slit humidity of described fuel cell pack.
5. the drainage system of fuel cell as claimed in claim 4, it is characterised in that also include: condensation intensity adjustments device,
Be suitable to, when the air inlet humidity of described fuel cell pack is less than the air outlet slit humidity of described fuel cell pack, increase described
The condensation intensity of aerial condenser；And when the air inlet humidity of described fuel cell pair is more than the air of described fuel cell pack
Outlet humidity, and the difference between the two is less than when presetting humidity value, reduces the condensation intensity of described aerial condenser.
6. the drainage system of fuel cell as claimed in claim 1, it is characterised in that described fuel cell pack include multiple also
The monocell that connection connects, described monocell includes that cathode diffusion layer, described cathode diffusion layer are divided into N1Individual hydrophobic deg is different
Region, and the hydrophobic deg in each region increases successively along the flow direction of air, 2≤N1≤10。
7. the drainage system of fuel cell as claimed in claim 6, it is characterised in that the hydrophobic deg of described cathode diffusion layer is
30%～90%.
8. the drainage system of fuel cell as claimed in claim 6, it is characterised in that described monocell includes flow-field plate, institute
State flow-field plate and be divided into N2The region that individual hydrophobic deg is different, and the hydrophobic deg in each region increases successively along the flow direction of air
Add, 2≤N2≤10。
9. the drainage system of fuel cell as claimed in claim 8, it is characterised in that the hydrophobic deg of described flow-field plate is 30%
～90%.
10. the drainage system of fuel cell as claimed in claim 6, it is characterised in that described monocell includes anode diffusion
Layer, described anode diffusion layer is divided into N3The region that individual hydrophobic deg is different, and the hydrophobic deg in each region is along the flowing of hydrogen
Direction increases successively, 2≤N3≤10。
The drainage system of 11. fuel cells as claimed in claim 10, it is characterised in that the hydrophobic deg of described anode diffusion layer
It is 30%～90%.
12. 1 kinds of fuel cell systems, it is characterised in that including:
Fuel cell pack, described fuel cell pack includes multiple monocell being connected in parallel, and described monocell includes that negative electrode spreads
Layer, described cathode diffusion layer is divided into N1The region that individual hydrophobic deg is different, and the hydrophobic deg in each region is along the flowing of air
Direction increases successively, 2≤N1≤10。
13. fuel cell systems as claimed in claim 12, it is characterised in that the hydrophobic deg of described cathode diffusion layer is 30%
～90%.
14. fuel cell systems as claimed in claim 12, it is characterised in that described monocell includes flow-field plate, described stream
Field plate is divided into N2The region that individual hydrophobic deg is different, and the hydrophobic deg in each region increases successively along the flow direction of air, 2
≤N2≤10。
15. fuel cell systems as claimed in claim 14, it is characterised in that the hydrophobic deg of described flow-field plate be 30%～
90%.
16. fuel cell systems as claimed in claim 12, it is characterised in that described monocell includes anode diffusion layer, institute
State anode diffusion layer and be divided into N3The region that individual hydrophobic deg is different, and the hydrophobic deg in each region depends on along the flow direction of hydrogen
Secondary increase, 2≤N3≤10。
17. fuel cell systems as claimed in claim 16, it is characterised in that the hydrophobic deg of described anode diffusion layer is 30%
～90%.
18. 1 kinds of fuel cell systems, it is characterised in that including:
Fuel cell pack, described fuel cell pack includes multiple monocell being connected in parallel, and described monocell includes anode diffusion
Layer, described anode diffusion layer is divided into N3The region that individual hydrophobic deg is different, and the hydrophobic deg in each region is along the flowing of air
Direction increases successively, 2≤N3≤10。
19. fuel cell systems as claimed in claim 18, it is characterised in that the hydrophobic deg of described anode diffusion layer is 30%
～90%.
20. fuel cell systems as claimed in claim 18, it is characterised in that described monocell includes flow-field plate, described stream
Field plate is divided into N2The region that individual hydrophobic deg is different, and the hydrophobic deg in each region increases successively along the flow direction of air, 2
≤N2≤10。
21. fuel cell systems as claimed in claim 20, it is characterised in that the hydrophobic deg of described flow-field plate be 30%～
90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538422.9U CN205666283U (en) | 2016-06-03 | 2016-06-03 | Fuel cell system and fuel cell's drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538422.9U CN205666283U (en) | 2016-06-03 | 2016-06-03 | Fuel cell system and fuel cell's drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205666283U true CN205666283U (en) | 2016-10-26 |
Family
ID=57155473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620538422.9U Active CN205666283U (en) | 2016-06-03 | 2016-06-03 | Fuel cell system and fuel cell's drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205666283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728326A (en) * | 2017-10-26 | 2019-05-07 | 郑州宇通客车股份有限公司 | A kind of fuel gas system and vehicle of fuel cell |
-
2016
- 2016-06-03 CN CN201620538422.9U patent/CN205666283U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728326A (en) * | 2017-10-26 | 2019-05-07 | 郑州宇通客车股份有限公司 | A kind of fuel gas system and vehicle of fuel cell |
| CN109728326B (en) * | 2017-10-26 | 2020-09-01 | 郑州宇通客车股份有限公司 | Fuel gas system of fuel cell and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207426025U (en) | A kind of hydrogen gas circulating system for fuel cell system | |
| CN107908209B (en) | Fuel cell test platform and temperature and humidity control system thereof | |
| CN104409750B (en) | A kind of fuel cell tail gas blood circulation | |
| CN108539229A (en) | A kind of fuel cell pile hydrogen circulation device and method | |
| US8974976B2 (en) | Method of humidifying fuel cell inlets using wick-based water trap humidifiers | |
| CN203839462U (en) | Heat dissipation system of fuel cell | |
| CN108832157A (en) | One proton exchanging film fuel battery hydrogen gas recovering device | |
| CN104835976A (en) | Fuel cell cooling system utilizing phase change cooling | |
| CN102437357B (en) | Water balance system of fuel cell | |
| CN208806305U (en) | A kind of fuel battery anode flow field board | |
| Zuo et al. | Optimization of blocked flow field performance of proton exchange membrane fuel cell with auxiliary channels | |
| CN208489292U (en) | A kind of fuel cell pile hydrogen circulation device | |
| CN106129436A (en) | A kind of compact type intelligent humidification system for fuel cell and air-humidification method thereof | |
| US20070257384A1 (en) | External gas humidifier for fuel cell | |
| CN110190307B (en) | Fuel cell system and humidity control method thereof | |
| CN209691856U (en) | A kind of on-vehicle fuel water management system | |
| CN110212221B (en) | Fuel cell and humidity control method thereof | |
| CN205666283U (en) | Fuel cell system and fuel cell's drainage system | |
| CN207651597U (en) | A kind of fuel cell hydrogen flow-field plate | |
| JP2004207211A (en) | Fuel gas humidifying device for fuel cell bipolar plate | |
| JP2004273350A (en) | Fuel cell system | |
| CN208522032U (en) | A kind of degree and zoning Proton Exchange Membrane Fuel Cells car temperature control system | |
| CN207977405U (en) | One proton exchanging film fuel battery air humidifying device | |
| CN207624816U (en) | Heat management system for Proton Exchange Membrane Fuel Cells | |
| CN1909276A (en) | Management method for battery anode liquid of proton exchange film fuel battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |