CN201611673U - Proton exchange membrane fuel cell (PEMFC) - Google Patents
Proton exchange membrane fuel cell (PEMFC) Download PDFInfo
- Publication number
- CN201611673U CN201611673U CN2009202289538U CN200920228953U CN201611673U CN 201611673 U CN201611673 U CN 201611673U CN 2009202289538 U CN2009202289538 U CN 2009202289538U CN 200920228953 U CN200920228953 U CN 200920228953U CN 201611673 U CN201611673 U CN 201611673U
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- Prior art keywords
- hydrogen
- exchange membrane
- proton exchange
- membrane fuel
- fuel cells
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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 relates to a proton exchange membrane fuel cell (PEMFC). The PEMFC comprises a hydrogen supplying device, a galvanic pile, a water/heat managing system, a pressure and flow rate control module and a tail-gas control module, wherein the tail-gas control module is used for controlling a hydrogen circulating pump to recycle the hydrogen tail-gas; and a bidirectional air intake device used for utilizing the air flow to generate water and using the water to humidify and cool off the cell is arranged on the side surface of the galvanic pile. Through improving the manner of humidification, the PEMFC has the advantages of high efficiency in energy conversion, adaptation to different power requirements, fast start at low temperature, no pollution to the environment and no noise, and the like.
Description
Technical field
The utility model relates to Proton Exchange Membrane Fuel Cells, is particularly suitable for hydrogen/empty Proton Exchange Membrane Fuel Cells.
Background technology
Proton Exchange Membrane Fuel Cells has the energy conversion efficiency height, adapts to the different capacity requirement, cold-starting is fast and environment is not had advantages such as pollution and noiseless, so can be advantageously applied to electric automobile, submarine and removable power supply.
Proton Exchange Membrane Fuel Cells is the Blast Furnace Top Gas Recovery Turbine Unit (TRT) that a kind of chemical energy that directly will be stored in fuel and the oxidant is converted into electric energy, and operation principle is actual to be the inverse process of brine electrolysis.Hydrogen is dissociated into proton and electronics under catalyst action.Proton passes proton exchange membrane and arrives negative electrode, and electronics then arrives negative electrode by external circuit.They and oxygen water generation reaction under the cathod catalyst effect.
The conduction of proton in film needs the existence of water.The linear decline of conductivity that water content in the film descends and causes it will cause battery performance to descend.This situation is more serious in battery pack, and the film dehydration of certain monocell is dried up in battery pack, and film loses the ability of proton conducting, and the dehydration area just to the next door diffusion, causes the inefficacy of whole monocell at last like this.
In order to solve the dehydration difficult problem of film in the Proton Exchange Membrane Fuel Cells group, generally give the reacting gas humidification by humidification system, for compact pem fuel cell, increased complexity, volume and weight that humidification system will increase system.
Summary of the invention
The purpose of this utility model is, overcome existing humidifying technology deficiency, the air flows mode is improved, the Proton Exchange Membrane Fuel Cells that has air two-way air intake device is provided, air two-way air intake device energy regulating cell internal-response wherein, and generation water, utilize generation water to realize humidification effect and cooling effect.
The technical solution of the utility model is: Proton Exchange Membrane Fuel Cells comprises hydrogen gas supply device, pile, water/heat management system is characterized in that, also have pressure current speed control molding piece, and be used to realize controlling the hydrogen recycle pump hydrogen tail gas is carried out recycling tail gas control module; Its side of described pile also is equipped with and is used for generating the air two-way air intake device that water is realized battery humidification and cooling by the moving air utilization.
Further technical scheme is:
Described air two-way air intake device comprises inlet fan and outlet fan; This inlet fan is installed in a side of pile, and the outlet fan is installed in the opposite side of pile, and is relative with inlet fan.
Between described inlet fan and the outlet fan air flow channel is arranged.
Described air flow channel is evenly distributed on the plate face of minus plate of bipolar plates.
The cross sectional shape of described air flow channel is polygon or semicircle.
The cross sectional shape of described air flow channel is rectangle or triangle.
Described hydrogen gas supply device is hydrogen gas storage device and conveying device, or Preparation of Hydrogen equipment and conveying device.
Described hydrogen gas storage device is a compressed hydrogen tank, or the low temperature liquid hydrogen gas tank, or metal hydride hydrogen storage unit, or the nano-carbon material hydrogen-storing device.
Structural principle of the present utility model is: the air flow channel import of Proton Exchange Membrane Fuel Cells has inlet fan, and outlet has the outlet fan, controls the operation of two fans by controller.Stop the operation of outlet fan behind the inlet fan operation certain hour; Stop the inlet fan operation behind the outlet fan operation certain hour; The alternate run of two fans.Because the air that has just entered Proton Exchange Membrane Fuel Cells is in drying regime, easily the water in the film is taken away, along with electrochemical reaction water constantly generates, a large amount of water is contained in the Lower Half branch that arrives air flow channel when gas.Behind the inlet fan operation certain hour, assemble a large amount of water generation reactions in the air flow channel exit.At this moment inlet fan stops, the operation of outlet fan, and air just will be with the exit to generate water and give the air flow channel humidification.Outlet fan operation certain hour, generation water has also been assembled by air flow channel import department.By the fan alternate run, thereby utilize water generation reaction to realize the humidification and the cooling of air flow channel.
Effect of the present utility model is:
1) by the fan alternate run, utilizes water generation reaction, realize the humidification effect of battery;
2) by evaporation of water in the air flow channel, can realize cooling-down effect;
3) reduce humidification system, cooling system, simplified the volume and weight of whole system.
Description of drawings
Fig. 1 is the schematic diagram of explaining the composition each several part correlation of the utility model Proton Exchange Membrane Fuel Cells with hydrogen and air flow and member interactively: hydrogen source gas shown in the figure is a hydrogen gas supply device, hydrogen is come out by hydrogen gas supply device, arrives pile by gas pressure flow velocity control module; Air arrives pile by air two-way air intake device, by the state of water/heat management system control pile, guarantees that the successive reaction of gas in pile generates the power and water energy, and electric energy outputs to external load, and tail gas discharges by the tail gas control module;
Fig. 2 is the pile outline drawing of the utility model Proton Exchange Membrane Fuel Cells band air two-way air intake device;
Fig. 3 is the horizontal cross-sectional schematic of the A-A of Fig. 2;
Fig. 4 is the air flow channel schematic diagram;
Fig. 5 is that the schematic diagram of humidification: figure is the state diagram of inlet fan 2.1 when just having brought into operation;
Fig. 6 is that the schematic diagram of humidification: figure is in the inlet fan running, forms a certain amount of chemical reaction in the air flow channel and generates water, wherein in the amount state diagram the most for a long time in exit;
Fig. 7 is that the schematic diagram of humidification: figure is for transferring the operation of outlet fan, the state diagram when the air band exit water to the battery humidification to;
Fig. 8 is that the schematic diagram of humidification: figure is in the outlet fan running, forms a certain amount of chemical reaction in the same air flow channel and generates water, wherein in the amount state diagram the most for a long time of import department;
Fig. 9 is that the schematic diagram of humidification: figure is for transferring the inlet fan operation to, the state diagram when the air band import department's generation water to the battery humidification;
Figure 10 is that the schematic diagram of humidification: figure is in the inlet fan running, the state diagram when there is more generation water in the exit.
The member name of mark correspondence is called among the figure: 1-hydrogen gas supply device, 2-air two-way air intake device, 2.1-inlet fan, 2.2-the outlet fan, 3-pressure current speed control molding piece, 4-water/heat management system, the 5-pile, 6-tail gas control module, 7-bipolar plates, 8-air flow channel, the 9-minus plate, 10-water, 11-air, 12-load.
Embodiment
It is as follows that the utility model is described in further detail in conjunction with the accompanying drawings and embodiments:
Proton Exchange Membrane Fuel Cells shown in Fig. 1,2,3,4, it is by hydrogen gas supply device 1, pile 5, water/heat management system 4, also have pressure current speed control molding piece 3, and be used to realize controlling the hydrogen recycle pump and hydrogen tail gas is carried out recycling tail gas control module 6 form; Described pile 5 its sides also are equipped with and are used for utilizing the air two-way air intake device 2 that generates water 10 realization battery humidifications and cooling by moving air 11.Described air two-way air intake device 2 is made up of inlet fan 2.1 and outlet fan 2.2; This inlet fan 2.1 is installed in a side of pile 5, and outlet fan 2.2 is installed in the opposite side of pile 5, and is relative with inlet fan 2.1.Between inlet fan 2.1 and the outlet fan 2.2 air flow channel 8 is arranged.Described air flow channel 8 is evenly distributed on the plate face of minus plate 9 of bipolar plates 7.The cross sectional shape of air flow channel 8 is polygon or semicircle, and the cross sectional shape of present embodiment air flow channel 8 is a rectangle, also available triangle.Described hydrogen gas supply device 1 is hydrogen gas storage device and conveying device, and this hydrogen gas storage device is a compressed hydrogen tank, also can elect the low temperature liquid hydrogen gas tank as, or metal hydride hydrogen storage unit, or the nano-carbon material hydrogen-storing device, and conveying device is a gas pipeline.Hydrogen gas supply device 1 can also be Preparation of Hydrogen equipment and conveying device, and this conveying device is that force (forcing) pump is or/and gas pipeline.The air mass flow of described inlet fan 2.1 and outlet fan 2.2 and the power of pile 5 are complementary.
Schematic diagram in conjunction with Fig. 5-10 humidification further specifies as follows to the utility model structure and operation logic:
Shown in Figure 5 is the state of inlet fan 2.1 when just having brought into operation; Shown in Figure 6 is in the inlet fan running, forms a certain amount of chemical reaction in the air flow channel 8 and generates water 10, wherein at the amount state the most for a long time in exit; Shown in Figure 7 is to transfer the operation of outlet fan to, the state when air 11 is given the battery humidification with exit water 10; Shown in Figure 8 is in the outlet fan running, forms a certain amount of chemical reaction in the same air flow channel 8 and generates water 10, wherein at the amount state the most for a long time of import department; Shown in Figure 9 is to transfer the inlet fan operation to, the state when air 11 generates water 10 to the battery humidification with import department; Shown in Figure 10 is in the inlet fan running, the state when there is more generation water 10 in the exit.Above-mentioned Fig. 5-10 is shown the distribution that generates water 10 under different operating modes in the air flow channel 8, goes round and begins again.
Protection range of the present utility model is not limited to the foregoing description.
Claims (8)
1. a proton exchanging film fuel battery, it comprises hydrogen gas supply device (1), pile (5), water/heat management system (4), it is characterized in that also having pressure current speed control molding piece (3), and be used to realize controlling the hydrogen recycle pump hydrogen tail gas is carried out recycling tail gas control module (6); Its side of described pile (5) also is equipped with and is used for generating the air two-way air intake device (2) that water (10) is realized battery humidification and cooling by moving air (11) utilization.
2. Proton Exchange Membrane Fuel Cells as claimed in claim 1 is characterized in that, described air two-way air intake device (2) comprises inlet fan (2.1) and outlet fan (2.2); This inlet fan (2.1) is installed in a side of pile (5), and outlet fan (2.2) is installed in the opposite side of pile (5), and is relative with inlet fan (2.1).
3. Proton Exchange Membrane Fuel Cells as claimed in claim 1 or 2 is characterized in that, between described inlet fan (2.1) and the outlet fan (2.2) air flow channel (8) is arranged.
4. Proton Exchange Membrane Fuel Cells as claimed in claim 3 is characterized in that, described air flow channel (8) is evenly distributed on the plate face of minus plate (9) of bipolar plates (7).
5. Proton Exchange Membrane Fuel Cells as claimed in claim 4 is characterized in that, the cross sectional shape of described air flow channel (8) is polygon or semicircle.
6. Proton Exchange Membrane Fuel Cells as claimed in claim 5 is characterized in that, the cross sectional shape of described air flow channel (8) is rectangle or triangle.
7. Proton Exchange Membrane Fuel Cells as claimed in claim 1 or 2 is characterized in that, described hydrogen gas supply device (1) is hydrogen gas storage device and conveying device, or Preparation of Hydrogen equipment and conveying device.
8. Proton Exchange Membrane Fuel Cells as claimed in claim 7 is characterized in that described hydrogen gas storage device is a compressed hydrogen tank, or the low temperature liquid hydrogen gas tank, or metal hydride hydrogen storage unit, or the nano-carbon material hydrogen-storing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202289538U CN201611673U (en) | 2009-10-21 | 2009-10-21 | Proton exchange membrane fuel cell (PEMFC) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202289538U CN201611673U (en) | 2009-10-21 | 2009-10-21 | Proton exchange membrane fuel cell (PEMFC) |
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| Publication Number | Publication Date |
|---|---|
| CN201611673U true CN201611673U (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202289538U Expired - Lifetime CN201611673U (en) | 2009-10-21 | 2009-10-21 | Proton exchange membrane fuel cell (PEMFC) |
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| Country | Link |
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| CN (1) | CN201611673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104255A (en) * | 2011-02-28 | 2017-08-29 | 尼古拉斯·基恩 | Energy unit with safety and stable storing hydrogen |
-
2009
- 2009-10-21 CN CN2009202289538U patent/CN201611673U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104255A (en) * | 2011-02-28 | 2017-08-29 | 尼古拉斯·基恩 | Energy unit with safety and stable storing hydrogen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hubei Greatsea Newpower Technology Co., Ltd. Assignor: No.712 Inst., China Ship Heavy Industry Group Co. Contract record no.: 2011420000054 Denomination of utility model: Low power proton exchanging film fuel battery within constant pressure air as oxygen source and its system Granted publication date: 20101020 License type: Exclusive License Record date: 20110414 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101020 |