CN102623731B - Straight-runner low-temperature and low-voltage rectangular fuel cell - Google Patents
Straight-runner low-temperature and low-voltage rectangular fuel cell Download PDFInfo
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- CN102623731B CN102623731B CN201210119645.8A CN201210119645A CN102623731B CN 102623731 B CN102623731 B CN 102623731B CN 201210119645 A CN201210119645 A CN 201210119645A CN 102623731 B CN102623731 B CN 102623731B
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- carbon electrode
- pipe connecting
- connecting plate
- fuel cell
- electrode plate
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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 invention discloses a straight-runner low-temperature and low-voltage rectangular fuel cell, which comprises an upper intake pipe connecting plate and a lower exhaust pipe connecting plate, wherein at least two carbon polar plates which are vertically distributed in parallel are tightly pressed between the intake pipe connecting plate and the exhaust pipe connecting plate, an exchange membrane is clamped between every two adjacent carbon polar plates, the upper surface and the lower surface of each carbon polar plate are respectively provided with a plurality of channels which are parallel to one another, and the line type of the cross section of each channel is a sine curve. According to the fuel cell disclosed by the invention, the volume of gas runners is increased, the structural utilization rate is increased, and the effective working area of the fuel cell is increased.
Description
Technical field
The present invention belongs to new energy field, relates to fuel cell technology, is specifically related to a kind of straight channel low-temp low-pressure rectangle fuel cell, can be applicable to fuel cell electric vehicle.
Background technology
In recent years, because the day of petroleum resources is becoming tight and the problem of environmental pollution, electric automobile has started to stride forward to industrialization direction.In various electric automobiles, fuel cell electric vehicle have advantages of energy-saving and environmental protection and efficiency of energy utilization high, become the target of developed country and the competition of each large automobile production enterprise technology.Existing many fuel cell electric vehicle of showing or demonstrating develop and test at present.
In fuel cell technology, in order to be suitable for lorry loading, use, vehicle fuel battery all adopts the rectangle grouping assembly method of modular.Therefore the supplied gas of slotting on the carbon electrode plate that, the square fuel cell manufacture of every block length is used circulation.After two blocks of carbon electrode plates compress, the contact area of notch is exactly effective work area of fuel cell.Effectively the size of work area just determines the power of fuel cell to a certain extent.By literature search, the gas flow in existing fuel cell has been square groove, and square groove is decile layout design with the entity part of not slotting.
At present a large amount of fuel cell structures is simple, has the following deficiency or shortcoming: the first, and because carbon electrode plate is fragile material, in order not affect the intensity of carbon electrode plate, carbon electrode square groove that plate is opened can not be too large; The second, after two blocks of neighbouring carbon electrode plates compress, cause gas flow contact area little; The 3rd, the entity contact area that two blocks of neighbouring carbon electrode plates compress exchange membrane part is larger, has reduced effective work area of fuel cell.
Summary of the invention
The present invention seeks to: for the problems referred to above, propose a kind of novel straight channel low-temp low-pressure rectangle fuel cell, this battery has increased the volume of gas flow, has improved structure utilance, has increased effective work area of fuel cell.
Technical scheme of the present invention is: described straight channel low-temp low-pressure rectangle fuel cell, comprise the blast pipe connecting plate that is positioned at the air inlet pipe connecting plate of top and is positioned at below, between described air inlet pipe connecting plate and blast pipe connecting plate, be pressed with the carbon electrode plate of at least two upper and lower parallel distributions, and between every two blocks of adjacent carbon electrode plates, all accompany exchange membrane, it is sine curve that the upper surface of every block of carbon electrode plate and lower surface are all shaped with the cross section line style of conduit described in some the conduits that are parallel to each other.
As preferably, described sinusoidal curvilinear equation is: x=0.5sin (0.5 π y) mm.
As preferably, the upper surface of every block of carbon electrode plate and lower surface are all shaped with an air intake duct and an exhaust duct, the air intake duct of every carbon electrode plate upper surface and exhaust duct are all connected with all conduits of this piece carbon electrode plate upper surface, the air intake duct of every carbon electrode plate lower surface and exhaust duct are all connected with all conduits of this piece carbon electrode plate lower surface, described air intake duct has air admission hole, and described exhaust duct has steam vent.
As preferably, on described air inlet pipe connecting plate, offer air intake duct screwed hole and fuel gas air inlet pipe screwed hole that homonymy is arranged, on described blast pipe connecting plate, offer air exhaust duct screwed hole and fuel gas blast pipe screwed hole that homonymy is arranged.
Advantage of the present invention is:
The first, straight channel low-temp low-pressure rectangle fuel cell of the present invention has changed the square groove flow passage structure of conventional fuel cell carbon electrode plate, and adopts sinusoidal flow passage structure, in the situation that do not affect the intensity of carbon electrode plate, has increased runner volume;
The second, in fuel cell of the present invention, after adjacent two blocks of carbon electrode plates compress, gas flow contact area increases;
The 3rd, fuel cell of the present invention has reduced the entity contact area of the exchange membrane part compressing between adjacent two blocks of carbon electrode plates, has improved structure utilance, has increased effective work area of fuel cell;
Four, on fuel cell air inlet pipe connecting plate, open one-sided screwed hole as entering gas distribution structure, be convenient to assembling.
In summary, straight channel low-temp low-pressure rectangle fuel cells applications mathematics of the present invention and physical principle, design carbon electrode plate sinusoid groove straight channel structure, efficiently solve the effective work area difficult problem of fuel cell, improved structure utilance, gas flow contact area increases, and is convenient to assembling.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be described further:
Fig. 1 is the structural representation of carbon electrode plate in the embodiment of the present invention;
Fig. 2 is the structural representation of adjacent two blocks of carbon electrode plates in the embodiment of the present invention;
Fig. 3 is the structural representation of air inlet pipe connecting plate and blast pipe connecting plate in the embodiment of the present invention;
Wherein: 1 carbon electrode plate, 1-1 conduit, 1-2 air intake duct, 1-2-1 air admission hole, 1-3 exhaust duct, 1-3-1 steam vent, 2 exchange membranes, 3 air inlet pipe connecting plates, 3-1 air intake duct screwed hole, 3-2 fuel gas air inlet pipe screwed hole, 4 blast pipe connecting plates, 4-1 air exhaust duct screwed hole, 4-2 fuel gas blast pipe screwed hole, 5 bolt connecting holes.
Embodiment
As shown in Figures 2 and 3, the straight channel low-temp low-pressure rectangle fuel cell of the present embodiment comprises the air inlet pipe connecting plate 3 that is positioned at top and the blast pipe connecting plate 4 that is positioned at below, between described air inlet pipe connecting plate 3 and blast pipe connecting plate 4, be pressed with the carbon electrode plate 1 of at least two (only showing two in Fig. 1) upper and lower parallel distributions, and all accompany exchange membrane 2 between every two blocks of adjacent carbon electrode plates 1, the upper surface of every block of carbon electrode plate 1 and lower surface are all shaped with some the conduit 1-1 that are parallel to each other, conduit 1-1 is as gas flow, for gas communication.
On air inlet pipe connecting plate 3, blast pipe connecting plate 4 and each piece carbon electrode plate 1, be all shaped with eight bolt connecting holes 5, thereby by bolt, they linked together.
Compare with conventional fuel cell, the maximum feature of the present embodiment fuel cell is: the cross section line style of described conduit 1-1 is sine curve, adopt after this structure, strengthened the runner volume of conduit 1-1, reduce the entity contact area of the exchange membrane part compressing between adjacent two blocks of carbon electrode plates simultaneously, made effective work area of this fuel cell become large.Described sinusoidal curvilinear equation is preferably: x=0.5sin (0.5 π y) mm.
As shown in Figure 1, the upper surface of every block of carbon electrode plate 1 and lower surface are all shaped with an air intake duct 1-2 and an exhaust duct 1-3.The air intake duct 1-2 of every carbon electrode plate upper surface and exhaust duct 1-3 are all connected with all conduit 1-1 of this piece carbon electrode plate upper surface, the air intake duct 1-2 of every carbon electrode plate lower surface and exhaust duct 1-3 are all connected with all conduit 1-1 of this piece carbon electrode plate lower surface, described air intake duct has air admission hole 1-2-1, and described exhaust duct has steam vent 1-3-1.
As shown in Figure 3, this example offers air intake duct screwed hole 3-1 and fuel gas air inlet pipe screwed hole 3-2 at described air inlet pipe connecting plate 3, and air intake duct screwed hole 3-1 and fuel gas air inlet pipe screwed hole 3-2 open in the same side of air inlet pipe connecting plate 3, be convenient to assembling.On described blast pipe connecting plate 4, offer air exhaust duct screwed hole 4-1 and fuel gas blast pipe screwed hole 4-2, and air exhaust duct screwed hole 4-1 and fuel gas blast pipe screwed hole 4-2 open in the same side of blast pipe connecting plate 4, be convenient to assembling.
During enforcement, air intake duct is connected with air intake duct screwed hole 3-1, fuel gas air inlet pipe is connected with fuel gas air inlet pipe screwed hole 3-2, air exhaust duct is connected with air exhaust duct screwed hole 4-1, fuel gas blast pipe is connected with fuel gas blast pipe screwed hole 4-2.During work, low-pressure fuel gas is passed into fuel gas air inlet pipe, fuel gas flows into corresponding air admission hole 1-2-1 through fuel gas air inlet pipe screwed hole 3-2, then flows into the air intake duct 1-2 of each carbon electrode plate upper surface, distributes the sinusoid conduit 1-1 that flows into carbon electrode plate upper surface; Meanwhile, in like manner low-pressure air is passed into corresponding air intake duct, air flows into corresponding air admission hole 1-2-1 through air intake duct screwed hole 3-1, then flows into the air intake duct 1-2 of each carbon electrode plate lower surface, distributes and flows into each carbon electrode plate below sinusoid conduit; Mobile fuel gas and airborne oxygen in the upper and lower sinusoid conduit of adjacent carbons pole plate, through accompanying the effect of exchange membrane 2 in the middle of carbon electrode plate, there is electrochemical reaction, the steam producing with do not have the fuel gas of complete reaction to flow to exhaust duct 1-3, finally focus on the fuel gas blast pipe of steam vent 1-3-1 through being connected with fuel gas blast pipe screwed hole 4-2, flow out this rectangle fuel cell; In like manner, in the sinusoid conduit below each carbon electrode plate, the steam of generation does not flow to exhaust duct together with there is no complete surplus air, then focuses on the air exhaust duct of steam vent through being connected with air exhaust duct screwed hole 4-1, flows out this rectangle fuel cell.The electronics producing on exchange membrane focuses on blast pipe connecting plate 4 and forms a large amount of electric charges, externally exports the electric weight of certain voltage and electric current.
Certainly, above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow people can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformation or modification that according to the present invention, the Spirit Essence of main technical schemes is done, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. a straight channel low-temp low-pressure rectangle fuel cell, comprise the blast pipe connecting plate (4) that is positioned at the air inlet pipe connecting plate (3) of top and is positioned at below, between described air inlet pipe connecting plate (3) and blast pipe connecting plate (4), be pressed with the carbon electrode plate (1) of at least two upper and lower parallel distributions, and all accompany exchange membrane (2) between every adjacent two blocks of carbon electrode plates (1), the upper surface of every block of carbon electrode plate (1) and lower surface are all shaped with some the conduits that are parallel to each other (1-1), it is characterized in that: the cross section line style of described conduit (1-1) is sine curve, described sinusoidal curvilinear equation is: x=0.5sin (0.5 π y) mm.
2. straight channel low-temp low-pressure rectangle fuel cell according to claim 1, it is characterized in that: the upper surface of every block of carbon electrode plate (1) and lower surface are all shaped with an air intake duct (1-2) and an exhaust duct (1-3), the air intake duct (1-2) of every carbon electrode plate upper surface and exhaust duct (1-3) are all connected with all conduits (1-1) of this piece carbon electrode plate upper surface, the air intake duct (1-2) of every carbon electrode plate lower surface and exhaust duct (1-3) are all connected with all conduits (1-1) of this piece carbon electrode plate lower surface, described air intake duct (1-2) has air admission hole (1-2-1), described exhaust duct (1-3) has steam vent (1-3-1).
3. straight channel low-temp low-pressure rectangle fuel cell according to claim 1, it is characterized in that: on described air inlet pipe connecting plate (3), offer air intake duct screwed hole (3-1) and fuel gas air inlet pipe screwed hole (3-2) that homonymy is arranged, on described blast pipe connecting plate (4), offer air exhaust duct screwed hole (4-1) and fuel gas blast pipe screwed hole (4-2) that homonymy is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210119645.8A CN102623731B (en) | 2012-04-20 | 2012-04-20 | Straight-runner low-temperature and low-voltage rectangular fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210119645.8A CN102623731B (en) | 2012-04-20 | 2012-04-20 | Straight-runner low-temperature and low-voltage rectangular fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102623731A CN102623731A (en) | 2012-08-01 |
| CN102623731B true CN102623731B (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210119645.8A Expired - Fee Related CN102623731B (en) | 2012-04-20 | 2012-04-20 | Straight-runner low-temperature and low-voltage rectangular fuel cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113675424B (en) * | 2021-07-27 | 2023-03-31 | 华南理工大学 | Derived corrugated flow field plate based on sine corrugations |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1345104A (en) * | 2000-09-22 | 2002-04-17 | 北京世纪富原燃料电池有限公司 | Deflecting plate structure improvement of proton exchanging film full cell |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3991681B2 (en) * | 2001-12-28 | 2007-10-17 | 大同特殊鋼株式会社 | Metal separator and fuel cell using the same |
| CN2862346Y (en) * | 2005-12-15 | 2007-01-24 | 武汉理工大学 | Conduit double-pole plate of fuel battery with curve section |
| CN101800317A (en) * | 2010-04-09 | 2010-08-11 | 新源动力股份有限公司 | Proton exchange membrane fuel cell bipolar plate with gas flow field |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1345104A (en) * | 2000-09-22 | 2002-04-17 | 北京世纪富原燃料电池有限公司 | Deflecting plate structure improvement of proton exchanging film full cell |
Non-Patent Citations (1)
| Title |
|---|
| JP特開2003-203644A 2003.07.18 |
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| CN102623731A (en) | 2012-08-01 |
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Inventor after: Tian Yudong Inventor after: Zou Hairong Inventor before: Tian Dongyu Inventor before: Zou Hairong |
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Free format text: CORRECT: INVENTOR; FROM: TIAN DONGYU ZOU HAIRONG TO: TIAN YUDONG ZOU HAIRONG |
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Granted publication date: 20140219 Termination date: 20170420 |