CN208423061U - Proton Exchange Membrane Fuel Cells - Google Patents
Proton Exchange Membrane Fuel Cells Download PDFInfo
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- CN208423061U CN208423061U CN201821056283.1U CN201821056283U CN208423061U CN 208423061 U CN208423061 U CN 208423061U CN 201821056283 U CN201821056283 U CN 201821056283U CN 208423061 U CN208423061 U CN 208423061U
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- bipolar plates
- main channel
- proton exchange
- exchange membrane
- collector 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
-
- 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
Abstract
The utility model belongs to fuel cell and develops field, it is related to a proton exchanging film fuel battery, including the bipolar plates portion being made of several bipolar plates, bipolar plates portion two sides are respectively provided with one piece of collector plate, it is equipped with clamping plate on the outside of collector plate, is equipped with proton exchange membrane membrane electrode between adjacent bipolar plates, is equipped with runner close to the bipolar plates side of proton exchange membrane membrane electrode, the runner of proton exchange membrane membrane electrode side is anode reaction area, and another side runner is cathodic reaction zone；The four corners position of bipolar plates is respectively equipped with a main channel road, bipolar plates side where the vertical run of main channel road, two main channel roads up and down on the left of bipolar plates are connected to the upper and lower ends of a side runner by bye-pass respectively, and main channel road is connected with the blow vent of collector plate corresponding position.The structure design of the utility model is reasonable, and gas leakage and gas trains lattice phenomenon between collector plate and bipolar plates can be effectively prevent to occur, improve the reliability of fuel cell.
Description
Technical field
The utility model relates to a proton exchanging film fuel batteries, belong to fuel cell and develop field.
Background technique
Proton Exchange Membrane Fuel Cells have laminated construction, between collector plate and bipolar plates require contact well, resistance it is low,
To guarantee that good electronics collects and derivative ac-tion and lower kwh loss；Good seal is required between bipolar plates, is kept away
Exempt from the phenomenon that causing battery failure even to explode because of gas trains lattice occur.However, the phenomenon that gas leakage and string lattice, is still
It happens occasionally.Currently, studied both at home and abroad to Proton Exchange Membrane Fuel Cells always, but there is no solve gas leakage and
The problem of string lattice.
Utility model content
The purpose of this utility model is that proposing a proton exchanging film fuel battery, the Proton Exchange Membrane Fuel Cells energy
It enough effectively prevent gas leakage and gas trains lattice phenomenon between collector plate and bipolar plates to occur, improves the reliable of fuel cell
Property.
Proton Exchange Membrane Fuel Cells described in the utility model, it is double including the bipolar plates portion being made of several bipolar plates
Blade portion two sides are respectively provided with one piece of collector plate, and clamping plate is equipped on the outside of collector plate, is equipped with proton exchange membrane film between adjacent bipolar plates
Electrode is equipped with runner close to the bipolar plates side of proton exchange membrane membrane electrode, and the runner of proton exchange membrane membrane electrode side is sun
Pole reaction zone, another side runner are cathodic reaction zone, and clamping plate, collector plate and bipolar plates portion are fixed by physical impact；Bipolar plates
Four corners position be respectively equipped with a main channel road, bipolar plates side, bipolar plates where the vertical run of main channel road
Two main channel roads up and down in left side are connected to the upper and lower ends of a side runner, two, right side main channel by bye-pass respectively
Road passes through the upper and lower ends that bye-pass is connected to another side runner respectively, and the corresponding main channel road of adjacent bipolar plates is connected, and
And main channel road is connected with the blow vent of collector plate corresponding position；The main channel road and collector plate corresponding position of bipolar plates
Blow vent connectivity part be equipped with O-ring seal.
The bipolar plates quantity that bipolar plates portion includes is adjusted setting according to voltage needs.In reaction process, hydrogen passes through
One blow vent of the collector plate of bipolar plates portion side enters the corresponding main channel road of first piece of bipolar plates, and a part of hydrogen is logical
Bye-pass inflow anode reaction area to be crossed to be reacted, another part flows into the main channel road of next stage bipolar plates, and so on,
Each corresponding main channel road is passed through hydrogen, and hydrogen flows into anode reaction area through bye-pass again, remains after the reaction of anode reaction area
Remaining gas flows into another main channel road through the bye-pass of the runner other end, then another blow vent row through collector plate
Out；One blow vent of collector plate of the oxygen through the bipolar plates portion other side enters the corresponding main channel road of bipolar plates, a part
Oxygen flows into cathodic reaction zone by bye-pass and is reacted, and another part flows into the main channel road of next stage bipolar plates, with
This analogizes, and each corresponding main channel road is passed through oxygen, and oxygen flows into cathodic reaction zone through bye-pass again, anti-in cathodic reaction zone
Remaining gas flows into another main channel road through the bye-pass of the runner other end after answering, and then another through collector plate is logical
Port discharge, hydrogen and oxygen are reacted into respectively in the two sides of proton exchange membrane membrane electrode.Existing technology is main logical by two
The joining place of air pipe is passed through gas to anode reaction area or cathodic reaction zone, is very easy to that gas leakage occurs, the application is logical
It crosses bye-pass input or excludes gas, do not need between main channel road again there are gap, gas will not occur to leak again and go here and there
Lattice.The connectivity part of the blow vent on the main channel road and collector plate corresponding position of bipolar plates is equipped with O-ring seal, no longer using close
Sealing will not influence the transmission of electronics between, and can guarantee that gas will not be from leakage between the two.Two clamping plates pair
Collector plate and bipolar plates between it compress mode using the physics of bolt fastening and are fixed, and the material of clamping plate is taken absolutely
Edge material.
The material of O-ring seal is thermoplastic elastomer (TPE)s and the NBR butyronitrile such as TPE, TPV, TPVC, TPES, TPO and TPU
Rubber seal, HNBR hydrogenated nitrile-butadiene rubber sealing ring, SIL silicone rubber O-ring, VITON fluorine element rubber seal, FLS fluorine silicon
Rubber seal, EPDM EPT rubber packing circle, CR neoprene packing circle, IIR butyl rubber sealing ring, ACM propylene
The natural sealing rubber ring of acid esters rubber seal, NR, PU polyurethane rubber seal circle etc..
Preferably, the collector plate is square plate, and collector plate includes two blow vents, and two blow vents are separately positioned on
The upper and lower part of collector plate, and two blow vents are located at the left part or right part of collector plate simultaneously.
Preferably, the decrement of the O-ring seal is 5%~25%.
Preferably, the hardness of the O-ring seal is 25A~55A.
Preferably, the main channel road is stepped, and one end is larger diameter end, and the other end is smaller diameter end, small straight
Diameter end is connected to the runner of corresponding side by bye-pass；Larger diameter end is close to gas access, and smaller diameter end is close to gas vent.
Preferably, the proton exchange membrane membrane electrode two sides are respectively equipped with a square washer ring, square washer ring
Size and shape matches with bipolar plates, and the four corners position of square washer ring is respectively equipped with a through-hole, lead to the hole site with
Main channel road position is corresponding.When pile is locked, pass through object between bipolar plates, square washer ring and proton exchange membrane membrane electrode
Reason compression mode is fixed, and square washer ring further obviates the gap between the main channel road of adjacent bipolar plates, forms one
A closed loop pressure area effectively prevent gas leakage and string lattice phenomenon to occur.
Possessed beneficial effect is the utility model compared with prior art:
The structure design of the utility model is reasonable, the company of the blow vent on the main channel road and collector plate corresponding position of bipolar plates
Logical place is equipped with O-ring seal, no longer uses sealant, will not influence the transmission of electronics between, and can guarantee gas
It will not be from leakage between the two；Bipolar plates are arranged main channel road and bye-pass, same to gas inlet hole, different hole outlet, and proton and hand over
It changes film membrane electrode two sides and is respectively equipped with a square washer ring, when pile is locked, the setting of square washer ring eliminates adjacent double
Gap between the main channel road of pole plate forms a closed loop pressure area, and gas leakage and string lattice phenomenon is effectively prevent to occur,
Improve the reliability of fuel cell.
Detailed description of the invention
Fig. 1, proton exchange membrane fuel cell structure schematic diagram (one)；
Fig. 2, collector plate main view；
Fig. 3, collector plate top view；
Fig. 4, collector plate A-A cross-sectional view；
Fig. 5, bipolar plates main view；
Fig. 6, bipolar plates B-B cross-sectional view；
Fig. 7, bipolar plates C-C cross-sectional view；
Fig. 8, square washer ring main view；
Fig. 9, square washer ring D-D cross-sectional view；
Figure 10, proton exchange membrane fuel cell structure schematic diagram (two).
In figure: 1, collector plate；2, clamping plate；3, blow vent；4, bye-pass；5, main channel road；6, anode reaction area；7, side
Shape gasket rings；8, cathodic reaction zone；9, proton exchange membrane membrane electrode；10, bipolar plates portion；11, O-ring seal；12, runner；13,
Smaller diameter end；14, larger diameter end；15, through-hole；16, hydrogen gas outlet；17, hydrogen inlet；18, oxygen gas outlet；19, oxygen
Gas air inlet；20, bipolar plates.
Specific embodiment
The utility model is described further with reference to the accompanying drawing:
Such as Fig. 1-Figure 10, Proton Exchange Membrane Fuel Cells described in the utility model, including it is made of several bipolar plates 20
Bipolar plates portion 10,10 two sides of bipolar plates portion are respectively provided with one piece of collector plate 1, clamping plate 2, adjacent bipolar plates are equipped on the outside of collector plate 1
It is equipped with proton exchange membrane membrane electrode 9 between 20, is equipped with runner 12, matter close to 20 side of bipolar plates of proton exchange membrane membrane electrode 9
The runner 12 of 9 side of proton exchange membrane electrode is anode reaction area 6, and another side runner 12 is cathodic reaction zone 8, clamping plate 2, afflux
Plate 1 and bipolar plates 20 are fixed by physical impact；The four corners position of bipolar plates 20 is respectively equipped with a main channel road
5, two main channel roads 5 up and down of 20 side of main channel road 5 vertical run, 12 place bipolar plates, 20 left side of bipolar plates are distinguished
The upper and lower ends of a side runner 12 are connected to by bye-pass 4, two, right side main channel road 5 is connected to separately by bye-pass 4 respectively
The corresponding main channel road 5 of the upper and lower ends of one side runner 12, adjacent bipolar plates 20 is connected, and main channel road 5 and collection
The blow vent 3 of 1 corresponding position of flowing plate is connected；The main channel road 5 of bipolar plates 20 and the blow vent 3 of 1 corresponding position of collector plate
Connectivity part be equipped with O-ring seal 11.
In the present embodiment:
Collector plate 1 is square plate, and collector plate 1 includes two blow vents 3, and two blow vents 3 are separately positioned on collector plate 1
Upper and lower part, and two blow vents 3 are located at the left part or right part of collector plate 1 simultaneously.
The decrement of O-ring seal 11 is 5%~25%；The hardness of O-ring seal 11 is 25A~55A；O-ring seal
11 material is thermoplastic elastomer (TPE)s and the NBR nitrile rubber sealing rings, HNBR such as TPE, TPV, TPVC, TPES, TPO and TPU
Hydrogenated nitrile-butadiene rubber sealing ring, SIL silicone rubber O-ring, VITON fluorine element rubber seal, FLS fluorine silicone rubber sealing ring, EPDM
EPT rubber packing circle, CR neoprene packing circle, IIR butyl rubber sealing ring, ACM acrylic rubber sealing ring,
The natural sealing rubber ring of NR, PU polyurethane rubber seal circle etc..
Main channel road 5 is stepped, and one end is larger diameter end 14, and the other end is smaller diameter end 13, and smaller diameter end 13 is logical
Cross the runner 12 that bye-pass 4 is connected to corresponding side；Larger diameter end 14 is close to gas access, and smaller diameter end 13 is close to gas vent.
9 two sides of proton exchange membrane membrane electrode are respectively equipped with a square washer ring 7, the size and shape of square washer ring 7
Match with bipolar plates 20, the four corners position of square washer ring 7 is respectively equipped with a through-hole 15, and 15 position of through-hole and master are logical
5 position of air pipe is corresponding.When pile is locked, pass through between bipolar plates 20, square washer ring 7 and proton exchange membrane membrane electrode 9
Physics compresses mode and fixes, and square washer ring 7 further obviates the gap between the main channel road 5 of adjacent bipolar plates 20,
A closed loop pressure area is formed, gas leakage and string lattice phenomenon is effectively prevent to occur.
Such as Figure 10, in reaction process, hydrogen passes through a blow vent 3 of the collector plate 1 of 10 side of bipolar plates portion, i.e. hydrogen
Air inlet 17, into the corresponding main channel road 5 of first piece of bipolar plates 20, a part of hydrogen is anti-by the inflow anode of bye-pass 4
Area 6 is answered to be reacted, another part flows into the main channel road 5 of next stage bipolar plates 20, and so on, each corresponding main ventilation
Pipeline 5 is passed through hydrogen, and hydrogen flows into anode reaction area 6 through bye-pass 4 again, the remaining gas warp after anode reaction area 6 is reacted
The bye-pass 4 of 12 other end of runner flows into another main channel road 5, then another blow vent 3, i.e. hydrogen through collector plate 1
Gas gas outlet 16 is discharged；One blow vent 3 of collector plate 1 of the oxygen through 10 other side of bipolar plates portion, i.e. oxygen air inlet 19, into
Enter the corresponding main channel road 5 of bipolar plates 20, part of oxygen flows into cathodic reaction zone 8 by bye-pass 4 and reacted, another
Part flows into the main channel road 5 of next stage bipolar plates 20, and so on, each corresponding main channel road 5 is passed through oxygen, oxygen
Cathodic reaction zone 8 is flowed into through bye-pass 4 again, branch pipe of the remaining gas through 12 other end of runner after cathodic reaction zone 8 is reacted
Road 4 flows into another main channel road 5, then another blow vent 3 through collector plate 1, i.e., oxygen gas outlet 18 is discharged, hydrogen
It is reacted into respectively with oxygen in the two sides of proton exchange membrane membrane electrode 9.Existing technology passes through the linking on two main channel roads 5
Place is passed through gas to anode reaction area 6 or cathodic reaction zone 8, is very easy to that gas leakage occurs, the application is defeated by bye-pass 4
Enter or exclude gas, do not needed between main channel road 5 again there are gap, gas will not occur to leak and go here and there lattice again.Bipolar plates
20 main channel road 5 and the connectivity part of the blow vent 3 of 1 corresponding position of collector plate are equipped with O-ring seal 11, no longer using sealing
Glue will not influence the transmission of electronics between, and can guarantee that gas will not be from leakage between the two；When pile is locked,
It is fixed by way of physics compression between bipolar plates 20, square washer ring 7 and proton exchange membrane membrane electrode 9, square washer ring 7
Gap between the main channel road 5 for further obviating adjacent bipolar plates 20 is set, a closed loop pressure area is formed, it is effectively anti-
Only gas leakage and string lattice phenomenon occur.Object of the two clamping plates 2 to collector plate 1 and the use bolt fastening of bipolar plates 20 between it
Reason compression mode is fixed, and the material of clamping plate 2 takes insulating materials.
Claims (6)
1. a proton exchanging film fuel battery, it is characterised in that: including the bipolar plates portion being made of several bipolar plates (20)
(10), bipolar plates portion (10) two sides are respectively provided with one piece of collector plate (1), are equipped with clamping plate (2) on the outside of collector plate (1), adjacent bipolar plates
(20) proton exchange membrane membrane electrode (9) are equipped between, bipolar plates (20) side close to proton exchange membrane membrane electrode (9) is equipped with stream
Road (12), the runner (12) of proton exchange membrane membrane electrode (9) side are anode reaction area (6), and another side runner (12) is cathode
Reaction zone (8), clamping plate (2), collector plate (1) and bipolar plates (20) portion are fixed by physical impact；Four angles of bipolar plates (20)
Portion position is respectively equipped with a main channel road (5), bipolar plates (20) side where main channel road (5) vertical run (12),
Two main channel roads (5) up and down on the left of bipolar plates (20) pass through the upper and lower of bye-pass (4) connection one side runner (12) respectively
Both ends, two, right side main channel road (5) is connected to the upper and lower ends of another side runner (12) by bye-pass (4) respectively, adjacent
The corresponding main channel road (5) of bipolar plates (20) is connected, and main channel road (5) and collector plate (1) corresponding position is logical
Port (3) is connected；The connectivity part of the blow vent (3) on the main channel road (5) and collector plate (1) corresponding position of bipolar plates (20)
Equipped with O-ring seal (11).
2. Proton Exchange Membrane Fuel Cells according to claim 1, it is characterised in that: collector plate (1) is square plate, afflux
Plate (1) includes two blow vents (3), and two blow vents (3) are separately positioned on the upper and lower part of collector plate (1), and two
Blow vent (3) is located at the left part or right part of collector plate (1) simultaneously.
3. Proton Exchange Membrane Fuel Cells according to claim 1, it is characterised in that: the decrement of O-ring seal (11)
It is 5%~25%.
4. Proton Exchange Membrane Fuel Cells according to claim 1 or 3, it is characterised in that: the hardness of O-ring seal (11)
For 25A~55A.
5. Proton Exchange Membrane Fuel Cells according to claim 1, it is characterised in that: main channel road (5) are stepped,
One end is larger diameter end (14), and the other end is smaller diameter end (13), and smaller diameter end (13) is connected to corresponding side by bye-pass (4)
Runner (12).
6. Proton Exchange Membrane Fuel Cells according to claim 1, it is characterised in that: proton exchange membrane membrane electrode (9) two
Side is respectively equipped with a square washer ring (7), and size and shape and the bipolar plates (20) of square washer ring (7) match, rectangular
The four corners position of gasket rings (7) is respectively equipped with a through-hole (15), through-hole (15) position and main channel road (5) position phase
It is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821056283.1U CN208423061U (en) | 2018-07-04 | 2018-07-04 | Proton Exchange Membrane Fuel Cells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821056283.1U CN208423061U (en) | 2018-07-04 | 2018-07-04 | Proton Exchange Membrane Fuel Cells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208423061U true CN208423061U (en) | 2019-01-22 |
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ID=65126277
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821056283.1U Active CN208423061U (en) | 2018-07-04 | 2018-07-04 | Proton Exchange Membrane Fuel Cells |
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| CN (1) | CN208423061U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429298A (en) * | 2019-08-05 | 2019-11-08 | 上海骥翀氢能科技有限公司 | The detection device and its method of one proton exchanging film fuel battery |
-
2018
- 2018-07-04 CN CN201821056283.1U patent/CN208423061U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429298A (en) * | 2019-08-05 | 2019-11-08 | 上海骥翀氢能科技有限公司 | The detection device and its method of one proton exchanging film fuel battery |
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