CN211670279U - Fuel cell system with air purification function - Google Patents
Fuel cell system with air purification function Download PDFInfo
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- CN211670279U CN211670279U CN201922187530.2U CN201922187530U CN211670279U CN 211670279 U CN211670279 U CN 211670279U CN 201922187530 U CN201922187530 U CN 201922187530U CN 211670279 U CN211670279 U CN 211670279U
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- fuel cell
- air
- cell stack
- layer
- air purification
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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
Abstract
The utility model discloses a fuel cell system with air purification function, which comprises a frame body, a fuel cell stack arranged on the frame body, an air draft device and an air purification device; the air purification device is arranged on one side of the fuel cell stack, the air draft device is arranged on the other side of the fuel cell stack, and under the driving of the air draft device, outside air enters from one side of the fuel cell stack after being purified by the air purification device and then is discharged from the other side of the fuel cell stack; the outside air provides oxygen required by electrochemical reaction for the fuel cell stack in the process of passing through the fuel cell stack, and simultaneously dissipates heat and reduces the temperature for the fuel cell stack. The utility model discloses the air that enables to get into fuel cell can purify in advance to keep proton exchange membrane's stability and activity, improve fuel cell life by a wide margin.
Description
Technical Field
The utility model relates to a fuel cell technical field, in particular to fuel cell system with air purification function.
Background
At present, hydrogen is used more and more widely in industries such as the industry of synthetic ammonia and the industry of petroleum refining hydrogenation, etc., besides hydrogen can be used for generating electricity, and as the times advance, a batch of fuel cells for electrochemically reacting hydrogen with oxygen in air to generate electric energy is emerging, as shown in fig. 1, at the negative electrode of the fuel cell: 2H2→4H++4e-，H2Split into two protons that pass through the proton exchange membrane 100 into the anode and two electrons that enter the anode through an external load, at the anode of the fuel cell: o is2+4e-+4H+→2H2O, proton, electron and O2Recombined to form H2And O. In the working process of the fuel cell, the stability and the reliability of the proton exchange membrane are very critical. The oxygen required by the fuel cell comes from air, but pollutants and impurities in the air, such as PM2.5, dust, pollen, odor, decoration pollution such as formaldehyde, bacteria, allergens and the like can destroy the stability and activity of the proton exchange membrane, so that the service life of the proton exchange membrane is reduced, and further the service life of the fuel cell system is reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to among the above-mentioned prior art, provide a fuel cell system with air purification function, make the air that gets into fuel cell purify in advance to keep proton exchange membrane's stability and activity, improve fuel cell life by a wide margin.
In order to solve the technical problem, the technical scheme of the utility model is that: a fuel cell system with air purification function comprises a frame body, a fuel cell stack arranged on the frame body, an air draft device and an air purification device; the air purification device is arranged on one side of the fuel cell stack, the air draft device is arranged on the other side of the fuel cell stack, and under the driving of the air draft device, outside air enters from one side of the fuel cell stack after being purified by the air purification device and then is discharged from the other side of the fuel cell stack; the outside air provides oxygen required by electrochemical reaction for the fuel cell stack in the process of passing through the fuel cell stack, and simultaneously dissipates heat and reduces the temperature for the fuel cell stack.
Preferably, the air purification device comprises an outer net layer, an initial filter layer, a high-efficiency filter layer, an activated carbon layer and an inner net layer from outside to inside in sequence, and the outside air enters the fuel cell stack after passing through the outer net layer, the initial filter layer, the high-efficiency filter layer, the activated carbon layer and the inner net layer in sequence.
Preferably, the fuel cell system with the air purification function further comprises a control device, a PTC heater layer is further arranged between the inner mesh layer and the activated carbon layer, a humidity sensor and a temperature sensor are further arranged between the inner mesh layer and the fuel cell stack, and the PTC heater layer, the humidity sensor and the temperature sensor are respectively and electrically connected with the control device.
Preferably, the fuel cell stack comprises a hydrogen delivery channel and an air delivery channel, a proton exchange membrane is arranged between the hydrogen delivery channel and the air delivery channel, electrochemical reaction occurs between hydrogen and oxygen in the air in the proton exchange membrane to generate electric energy output, and a catalyst is contained in the proton exchange membrane and is used for accelerating the electrochemical reaction rate between the hydrogen and the oxygen in the air.
Preferably, the hydrogen conveying channel is communicated with a hydrogen conveying pipeline and an exhaust pipeline, and the hydrogen conveying pipeline comprises an oxygen conveying electromagnetic valve to control the on-off of the hydrogen conveying pipeline; and an exhaust electromagnetic valve is arranged on the exhaust pipeline to control the on-off of the exhaust pipeline.
The utility model has the advantages that: the utility model is provided with an air purification device at one side of the fuel cell stack, and under the driving of the air draft device, the outside air enters from one side of the fuel cell stack after being purified by the air purification device and then is discharged from the other side of the fuel cell stack; the air purification device purifies the air, so that pollutants and impurities in the air, such as PM2.5, dust, pollen, peculiar smell, decoration pollution such as formaldehyde, bacteria, allergens and the like can be purified in advance, the stability and the activity of the proton exchange membrane are maintained, and the service life of the fuel cell is greatly prolonged.
Drawings
Fig. 1 is a schematic diagram of the electrochemical reactions that take place within a fuel cell.
Fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
The structure and operation of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 2, the present invention relates to a fuel cell system with air purification function, which comprises a frame body 1, a fuel cell stack 2 mounted on the frame body 1, an air draft device 3 and an air purification device 4; the air purification device 4 is arranged on one side of the fuel cell stack 2, the air draft device 3 is arranged on the other side of the fuel cell stack 2, and under the driving of the air draft device 3, outside air enters from one side of the fuel cell stack 2 after being purified by the air purification device 4 and then is discharged from the other side of the fuel cell stack 2; in the process of passing through the fuel cell stack 2, the outside air provides oxygen required by the electrochemical reaction for the fuel cell stack 2, and simultaneously dissipates heat and reduces the temperature of the fuel cell stack 2.
As shown in fig. 2, the air purification device 4 includes an outer mesh layer 41, a primary filter layer 42, a high efficiency filter layer 43, an activated carbon layer 44, and an inner mesh layer 45 in this order from outside to inside, and the outside air enters the fuel cell stack 2 after passing through the outer mesh layer 41, the primary filter layer 42, the high efficiency filter layer 43, the activated carbon layer 44, and the inner mesh layer 45 in this order.
As shown in fig. 2, the fuel cell system with an air purification function further includes a control device (not shown), a PTC heater layer 46 is further disposed between the inner mesh layer 45 and the activated carbon layer 44, a humidity sensor 47 and a temperature sensor 48 are further disposed between the inner mesh layer 45 and the fuel cell stack 2, and the PTC heater layer 46, the humidity sensor 47 and the temperature sensor 48 are respectively electrically connected to the control device. Humidity sensor 47 detects the outside air humidity in real time, and temperature-sensing ware 48 detects the outside air temperature in real time, and when the outside air temperature was low excessively, controlling means started PTC heater layer work to improve the air temperature, and when the outside air temperature was normal back, controlling means control PTC heater layer stop work. When the humidity of the air is too low due to external factors, the humidity needs to be increased indoors.
As shown in fig. 2, with reference to fig. 1, the fuel cell stack 2 includes a hydrogen transport channel 101 and an air transport channel 102, a proton exchange membrane 100 is disposed between the hydrogen transport channel 101 and the air transport channel 102, in the proton exchange membrane 100, an electrochemical reaction occurs between hydrogen and oxygen in the air to generate an electrical energy output, and the proton exchange membrane 100 contains a catalyst for accelerating an electrochemical reaction rate between hydrogen and oxygen in the air.
As shown in fig. 2, the hydrogen conveying channel 101 is communicated with a hydrogen gas conveying pipeline 5 and an exhaust pipeline 6, and the hydrogen gas conveying pipeline 5 comprises an oxygen conveying electromagnetic valve 51 to control the on-off of the hydrogen gas conveying pipeline 5; an exhaust electromagnetic valve 61 is installed on the exhaust pipeline 6 to control the on-off of the exhaust pipeline 6.
The above, only the utility model discloses preferred embodiment, all be according to the utility model discloses a technical scheme does any slight modification, the equivalent change and the modification to above embodiment, all belong to the utility model discloses technical scheme's within range.
Claims (5)
1. A fuel cell system having an air purification function, characterized in that: comprises a frame body, a fuel cell stack arranged on the frame body, an air draft device and an air purification device; the air purification device is arranged on one side of the fuel cell stack, the air draft device is arranged on the other side of the fuel cell stack, and under the driving of the air draft device, outside air enters from one side of the fuel cell stack after being purified by the air purification device and then is discharged from the other side of the fuel cell stack; the outside air provides oxygen required by electrochemical reaction for the fuel cell stack in the process of passing through the fuel cell stack, and simultaneously dissipates heat and reduces the temperature for the fuel cell stack.
2. The fuel cell system having an air cleaning function according to claim 1, characterized in that: the air purification device comprises an outer net layer, an initial filter layer, a high-efficiency filter layer, an activated carbon layer and an inner net layer from outside to inside in sequence, and outside air enters the fuel cell stack after passing through the outer net layer, the initial filter layer, the high-efficiency filter layer, the activated carbon layer and the inner net layer in sequence.
3. The fuel cell system having an air cleaning function according to claim 2, characterized in that: the fuel cell stack is characterized by further comprising a control device, a PTC heater layer is further arranged between the inner net layer and the activated carbon layer, a humidity sensor and a temperature sensor are further arranged between the inner net layer and the fuel cell stack, and the PTC heater layer, the humidity sensor and the temperature sensor are respectively and electrically connected with the control device.
4. The fuel cell system having an air cleaning function according to claim 1, characterized in that: the fuel cell stack comprises a hydrogen conveying channel and an air conveying channel, a proton exchange membrane is arranged between the hydrogen conveying channel and the air conveying channel, electrochemical reaction is carried out between hydrogen and oxygen in the air in the proton exchange membrane to generate electric energy output, and a catalyst is contained in the proton exchange membrane and used for accelerating the electrochemical reaction rate between the hydrogen and the oxygen in the air.
5. The fuel cell system having an air cleaning function according to claim 4, characterized in that: the hydrogen conveying channel is communicated with a hydrogen conveying pipeline and an exhaust pipeline, and the hydrogen conveying pipeline comprises an oxygen conveying electromagnetic valve to control the on-off of the hydrogen conveying pipeline; and an exhaust electromagnetic valve is arranged on the exhaust pipeline to control the on-off of the exhaust pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922187530.2U CN211670279U (en) | 2019-12-09 | 2019-12-09 | Fuel cell system with air purification function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922187530.2U CN211670279U (en) | 2019-12-09 | 2019-12-09 | Fuel cell system with air purification function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211670279U true CN211670279U (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922187530.2U Expired - Fee Related CN211670279U (en) | 2019-12-09 | 2019-12-09 | Fuel cell system with air purification function |
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| Country | Link |
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| CN (1) | CN211670279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121080A (en) * | 2022-08-05 | 2022-09-30 | 大连一元氢能源科技有限公司 | Chemical filtering device applied to fuel cell stack |
-
2019
- 2019-12-09 CN CN201922187530.2U patent/CN211670279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121080A (en) * | 2022-08-05 | 2022-09-30 | 大连一元氢能源科技有限公司 | Chemical filtering device applied to fuel cell stack |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201013 Termination date: 20211209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |