WO2007129602A1 - 燃料電池システム - Google Patents
燃料電池システム Download PDFInfo
- Publication number
- WO2007129602A1 WO2007129602A1 PCT/JP2007/059133 JP2007059133W WO2007129602A1 WO 2007129602 A1 WO2007129602 A1 WO 2007129602A1 JP 2007059133 W JP2007059133 W JP 2007059133W WO 2007129602 A1 WO2007129602 A1 WO 2007129602A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fuel cell
- cell system
- cooling water
- pipe
- gas
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
-
- 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
Definitions
- the present invention relates to a fuel cell system, and more particularly, to a fuel cell system that can be diluted to below the flammable region and discharged outside the fuel cell system even if a small amount of hydrogen gas leaks.
- Fuel cells generate electricity by sandwiching an electrolyte membrane between a fuel electrode and an oxidant electrode and supplying fuel gas to the fuel electrode and oxidant gas to the oxidant electrode.
- a polymer solid film having hydrogen ion conductivity is generally used as the kinematic membrane.
- hydrogen is supplied as the fuel gas and air is supplied as the oxidant gas to the fuel cell, the following reaction occurs.
- Fuel electrode 2 H 2 ⁇ 4 H + + 4 e- ⁇ ⁇ ⁇ (1)
- Oxidizer electrode 0 2 + 4 H + + 4 e- ⁇ 2 ⁇ 2 0 ⁇ ⁇ ⁇ (2)
- the fuel cell does not drain water as a by-product, do not release substances that cause damage to the earth, such as carbon dioxide inside! There is a merit such as cocoon.
- the heat exchange system for a fuel cell disclosed in JP2001-250570A issued in 2001 by the Japan Patent Office has a radiator (heat exchanger) that supplies cooling water to the fuel cell, and the pressure in the cooling water passage has increased.
- a hydrogen leak sensor is installed in the reservoir tank from which cooling water is sometimes discharged to detect whether hydrogen power s has leaked into the cooling water flow path. Disclosure of the invention
- a pressure cap is provided on the radiator, so that the cooling water is discharged from the power generation unit of the fuel cell due to failure of the fuel cell or deterioration of the seal member over time.
- the present invention has been made in view of the above-described problems, and prevents frequent lighting of a warning lamp or stop of a vehicle for fail-safe even when zk element flows into a reservoir tank together with cooling water.
- the objective is to provide a fuel cell system that can be used.
- a fuel cell system includes a fuel cell that generates power by reacting a fuel gas with an oxidant gas in the air, heat exchange that supplies cooling water to the fuel cell via a cooling water supply pipe, and editing
- a pump provided in the self-cooling water supply pipe, a cooling water return pipe for returning the cooling water from the tins fuel cell to the self-heat exchange ⁇ , and a pressure valve provided in a path through which the self-cooling water circulates
- the 53 ⁇ 4 port pressure valve is opened, it is connected to the reservoir tank into which the cooling water flows through the pipe and the self-reservoir reservoir tank, and the air for diluting the fuel gas when it accumulates in this reservoir tank
- an air supply pipe for supplying the fuel and a diluted gas discharge pipe for discharging the fuel gas diluted with the tin from the tin reservoir tank.
- the fuel cell system includes an air supply pipe for supplying air for diluting the fuel gas (7 elementary gases) accumulated in the reserve tank, and a discharge for the diluted fuel gas from the reservoir tank. Because it is equipped with a dilution gas discharge pipe, even if a small amount of fuel gas is discharged when the pressurization valve provided in the path through which the cooling water circulates is opened, the fuel gas is less than the combustible range. In addition, the warning lamp lights up and the vehicle stops frequently for fail-safe operation. It is possible to prevent this.
- FIG. 1 is a block diagram showing a configuration of a fuel cell system according to Embodiment 1 of the present invention.
- FIG. 2 is a block diagram showing a configuration of a fuel cell system according to Embodiment 2 of the present invention.
- FIG. 3 is a block diagram showing a configuration of a fuel cell system according to Embodiment 3 of the present invention.
- FIG. 4 is a block diagram showing a configuration of a fuel cell system according to Embodiment 4 of the present invention.
- FIG. 5 is a block diagram showing a configuration of a fuel cell system according to Embodiment 5 of the present invention.
- FIG. 6 is a block diagram showing a configuration of a fuel cell system according to Embodiment 6 of the present invention.
- FIG. 7 is a block diagram showing a configuration of a fuel cell system according to Embodiment 7 of the present invention.
- FIG. 8 is a block diagram showing a configuration of a fuel cell system according to Embodiment 8 of the present invention.
- FIG. 9 is a block diagram showing a configuration of a fuel cell system according to Embodiment 9 of the present invention.
- FIG. 10 is a block diagram showing the configuration of the fuel cell system according to Embodiment 10 of the present invention.
- FIG. 11 is a block diagram showing the configuration of the fuel cell system according to Embodiment 11 of the present invention.
- FIG. 1 is a block diagram showing a configuration of a fuel cell system according to Embodiment 1 of the present invention. Note that the fuel cell system according to Embodiment 1 is mounted on, for example, a fuel cell vehicle.
- the fuel cell system includes a fuel cell 1 and a radiator (heat cross) 2.
- the fuel cell 1 includes, for example, unit cells (not shown) configured by sandwiching a dynamic membrane film (not shown) made of a solid polymer between two catalyst electrode layers, etc. It consists of about a stack of sheets, and it generates electricity by reacting a fuel gas such as hydrogen with an oxidant gas such as oxygen in the air.
- a portion where the electrolyte membrane of the fuel cell 1 is sandwiched between two catalytic electrodes is generally called a membrane electrode assembly (MEA).
- MEA membrane electrode assembly
- the fuel cell 1 is housed in a fuel cell case 1a.
- the radiator 2 supplies cooling water to the fuel cell 1 through the cooling water supply pipe 3, and includes, for example, a pressure cap (pressure valve) 2a on the upstream side (upper side in FIG. 1).
- the pressurizing cap 2 a opens when the radiator 2 reaches a high pressure equal to or higher than a predetermined pressure, and sends cooling water from the radiator 2 to the reservoir tank 5 (described later) through the pipe 4.
- the position where the pressurizing valve such as the pressurizing cap 2a is provided is not limited to the upstream side of the radiator 2, but includes the fuel cell 1, the radiator 2, the cooling water supply pipe 3, the cooling water return pipe 8 (described later), etc. It may be provided at any position in the g3 ⁇ 4 where the cooling water circulates.
- the cooling water is increased in pressure to increase the pressure difference with the outside air, and the cooling water whose temperature has increased in the fuel cell 1 is cooled using a fan (not shown) or the like, thereby increasing the cooling efficiency.
- a negative pressure valve may be provided in the radiator 2 so that the cooling water is returned from the reservoir tank 5 to the radiator 2 when the pressure of the radiator 2 becomes a predetermined value or less.
- the cooling water supply pipe 3 is provided with a pump 7 for circulating the cooling water between the fuel cell 1 and the radiator 2.
- the fuel cell system according to this embodiment includes a cooling water return pipe 8 for returning the cooling water from the fuel cell 1 to the radiator 2, and the cooling water return pipe 8 is provided with a three-way valve 9.
- the three-way valve 9 is connected to the cooling water supply pipe 3 or the cooling water coming from the fuel cell 1 to the radiator 2 based on the detection signal of the sensor (not shown in FIG. 1), for example. Switch between sending to cooling water supply pipe 3 via pipe 1 0.
- the cooling water flowing through the fuel cell 1 when the cooling water flowing through the fuel cell 1 is low, the cooling water flows to the cooling water supply pipe 3 side, and the cooling water flows in the order of the pump 7, the fuel cell 1, and the three-way valve 9. Yes. This is because, for example, the fuel cell 1 is warmed when the outside air temperature is low.
- the three-way valve 9 causes the cooling water to flow to the radiator 2 side, and the cooling water is supplied from the pump 7, the fuel cell 1, the three-way valve 9, and the radiator 2. It flows in order. Thereby, the cooling water cools the fuel cell 1, and the rising cooling water in the fuel cell 1 is cooled by the radiator 2.
- the three-way valve 9 is not necessarily provided.
- the cooling water circulates in the normal route as described above, a small amount of fuel gas flows from the fuel cell into the cooling water due to deterioration of the fuel cell 1 over time, and accumulates in the upper part of the radiator 2 or the like.
- the fuel gas accumulated in the radiator 2 is pushed out to the reservoir tank 5 together with the cooling water when the pressure of the radiator 2 becomes high and the pressurization cap 2a is opened.
- the reserve tank 5 stores excess cooling water, but a small amount of fuel gas leaked into the cooling water also accumulates, and the fuel gas (hydrogen) concentration in the reservoir tank 5 rises.
- air for diluting the fuel gas accumulated in the reservoir tank 5 is provided.
- Air for diluting the fuel gas is supplied from the air supply pipe 1 3 to the reservoir tank 5.
- the air supply pipe 1 3 is connected to the fuel cell. It is configured as a branch pipe branched from the oxidant gas supply pipe 12 for supplying the oxidant gas (air in this embodiment) to the pond 1, and supplies air to the reservoir tank 5.
- the diluted fuel gas is discharged from, for example, 15 dilution gas discharge pipes connected to a cap 5 a provided in the reserve tank 5.
- diluted gas discharge pipe 15 is connected to an exhaust pipe 17 for discharging unused gas (air, etc.) discharged from the fuel cell 1, and the diluted fuel gas is the final Therefore, 17 exhaust pipes are discharged outside the fuel cell system.
- the dilution gas discharge pipe 15 is also used as a drainage channel (drain pipe) for the reservoir tank 5.
- the position where the air supply pipe 1 3 is connected to the reservoir tank 5 must be Piping 1 5 force S Set above the position where it is connected to S reserve pattern 5 (upward in the vertical direction).
- the air supply pipe 13 itself may come above the dilution gas discharge pipe 15.
- An air filter 18 is provided upstream of the oxidant gas supply pipe 12 in order to prevent clogging of a filter (not shown) in the fuel cell 1 and the radiator 2. Instead of the air filter 18, a foreign matter removal filter or the like may be provided.
- the air supply pipe 1 3 for supplying air for diluting a small amount of fuel gas (zk elementary gas) accumulated in the reserve tank 5 and the fuel gas diluted by the reservoir tank 5 are discharged. Because it is equipped with a dilution gas discharge pipe 1 5 for the purpose, it is possible to dilute the fuel gas discharged when the pressure cap 2 a provided on the radiator 2 is opened to below the combustible range, and Warning lamp lights or fails It is possible to prevent frequent vehicle stops for safety.
- fuel gas zk elementary gas
- FIG. 2 is a block diagram showing a configuration of a fuel cell system according to Embodiment 2 of the present invention.
- the fuel cell system according to the second embodiment is the same as the fuel cell system according to the first embodiment except for the points described below, and the same components are denoted by the same reference numerals.
- one end of the dilution gas discharge pipe 15 is connected to the cap 5 a of the reservoir tank 5, and the other end is connected to the oxidant gas supply pipe 12. ing.
- the dilution gas discharge pipe 15 is connected between the air filter 18 of the oxidant gas supply pipe 12 and the intake compressor 19. Therefore, the fuel gas diluted from the reservoir tank 5 by the negative pressure generated by the P-air compressor 19 can be efficiently discharged.
- Other effects are the same as those of the fuel cell system according to the first embodiment.
- FIG. 3 is a block diagram showing a configuration of a fuel cell system according to Embodiment 3 of the present invention.
- the fuel cell system according to the third embodiment is the same as the fuel cell system according to the first embodiment except for the points described below, and the same components are denoted by the same reference numerals.
- the fuel cell case 1 containing the fuel cell 1 is supplied with ventilation gas.
- a ventilation gas supply pipe 20 for supply is provided. Ventilation gas supply pipe 20 is connected to fuel cell case 1a. Ventilation gas supply pipe 20 The inside of fuel cell case 1a is ventilated by ventilation gas (air in this embodiment) supplied from the power.
- Ventilation gas supply pipe 2 0 includes air filter 2 1 and fuel cell case 1 a
- a ventilation blower 2 2 is provided to supply the air.
- the air filter 21 is provided on the upstream side of the ventilation gas supply pipe 20 relative to the ventilation blower 22.
- the fuel cell case 1a is connected to a ventilation gas discharge pipe 2 3 for discharging the ventilation gas from the fuel cell case 1a.
- the ventilation gas discharge pipe 2 3 is connected to the exhaust pipe 1 on the downstream side. 7 and join.
- the air filter 21 provided in the ventilation gas supply pipe 20 purifies the ventilation gas, but it is not always necessary to provide it.
- the ventilation gas discharge pipe 2 3 does not need to be joined with the exhaust pipe 1 7, and the ventilation gas and the unused gas discharged from one fuel cell are separately discharged outside the fuel cell system. It may be.
- air supply pipe 1 3 force Oxidant gas supply pipe 1 2 instead of fuel cell case 1 a ventilation gas supply pipe 2 for supplying ventilation gas to a 2 Supply air to tank 5.
- the fuel gas accumulated in the reserve tank 5 can be diluted as in the first embodiment.
- one ⁇ of the dilution gas discharge pipe 15 is connected to the cap 5 a of the reservoir tank 5 and the other end is open to the atmosphere.
- the other end of the end connected to the cap 5 a of the reservoir tank 5 is connected to the motor of the fuel cell vehicle. Open the room.
- one end of the dilution gas discharge pipe 15 may be connected to the main body of the reservoir tank 5 instead of the cap 5 a of the reservoir tank 5.
- the ventilation gas supply pipe 20 for supplying the ventilation gas to the fuel cell case 1a since the ventilation gas supply pipe 20 for supplying the ventilation gas to the fuel cell case 1a is provided, the inside of the fuel cell case 1a can be ventilated. Further, since one ⁇ of the dilution gas discharge pipe 15 is connected to the reserve tank 5 and the other end is opened to the atmosphere, the system configuration can be simplified. Other effects are the same as those of the fuel cell system according to Embodiment 1.
- FIG. 4 is a block diagram showing the configuration of the fuel cell system according to the embodiment of the present invention.
- the fuel cell system according to the fourth embodiment is the same as the fuel cell system according to the third embodiment except for the points described below, and the same components are denoted by the same reference numerals.
- one end of the dilution gas discharge pipe 15 is connected to the cap 5a of the reservoir tank 5, and the other end is connected to the ventilation gas discharge pipe 23. Yes. For this reason, the diluted fuel gas can be efficiently discharged from the reservoir tank 5 by the negative pressure generated by the ventilation gas flowing through the ventilation gas discharge pipe 23.
- FIG. 5 is a block diagram showing a configuration of a fuel cell system according to Embodiment 5 of the present invention.
- the fuel cell system according to the fifth embodiment is the same as the fuel cell system according to the third embodiment except for the points described below, and the same components are denoted by the same reference numerals. .
- the other ⁇ connected to the cap 5 a of the reserve tank 5 is opened to the motor room of the fuel cell vehicle.
- one end of the air supply pipe 13 may be connected to the main body of the reservoir tank 5 instead of the cap 5 a of the reservoir tank 5.
- one end of the work gas discharge pipe 15 is connected to the reserve tank 5 and the other end is connected to the ventilation gas supply pipe 20.
- the dilution gas discharge pipe 15 is connected between the air filter 21 and the ventilation blower 2 2 of the 15-force ventilation gas supply pipe 20. For this reason, air can be efficiently introduced into the reserve tank 5 from the air supply pipe 13 due to the negative pressure generated by the ventilation blower 2 2.
- the dilution gas discharge pipe 15 is provided with a reservoir in order to prevent cooling water from flowing into the dilution gas outlet pipe 15 and the ventilation gas supply pipe 20 when the water level of the reservoir tank 5 rises.
- the position connected to the single tank 5 is set above the position where the air supply pipes 13 are connected to the reservoir tank 5 (upward in the vertical direction).
- FIG. 6 is a block diagram showing the configuration of the fuel cell system according to Embodiment 6 of the present effort.
- the fuel cell system according to the sixth embodiment is the same as the fuel cell system according to the first embodiment except for the points described below, and the same components are denoted by the same reference numerals. .
- the position where the air supply pipe 1 3 is connected to the reservoir tank 5 is diluted in order to improve the freedom of layout of the reservoir tank 5 and the dilution gas discharge pipe 15.
- Gas exhaust pipe 1 5 force Set to a position lower than the position connected to the S reservoir tank 5 (below in the vertical direction), and provide a check valve 2 5 in the air supply pipe 1 3 and oxidant gas supply pipe 1 The cooling water is prevented from flowing into 2nd class.
- an on-off valve 26 is provided in the air supply pipe 13 to lower the fuel gas concentration in the reservoir tank 5.
- the fuel gas in the reservoir tank 5 is diluted only when necessary.
- a pressure sensor 2 7 S is provided in the cooling water return pipe 8 to detect the pressure in the cooling water return pipe 8, and the on-off valve 2 6 has a predetermined pressure in the cooling water return pipe 8. That is, when the caloric pressure cap 2a is opened and cooling water and fuel gas flow into the reservoir tank 5, the cap is opened.
- the on-off valve 26 is opened, air flows into the reserve tank 5 from the air supply pipe 13 to dilute a small amount of fuel gas.
- a pressure sensor may be provided in the cooling water supply pipe 3 so that the on-off valve 26 may be opened when the pressure in the command water supply pipe 3 exceeds a predetermined value.
- the cooling water in the reservoir tank 5 is sucked back to the radiator 2 side with the on-off valve 26 closed, but the dilution gas discharge pipe 15 due to the negative pressure generated in the reservoir tank 5
- air containing fuel gas is stored in the reservoir tank 5. In such a way as to prevent it from flowing into the tank.
- FIG. 7 is a block diagram showing a configuration of a fuel cell system according to Embodiment 7 of the present invention. Note that the fuel cell system according to Embodiment 7 is the same as the fuel cell system according to Embodiment 6 except for the points described below, and the same components are denoted by the same reference numerals.
- a temperature sensor 30 is provided in the vicinity of the fuel cell 1 of the cooling water return pipe 8 to detect the temperature of the cooling water flowing in the cooling water return pipe 8.
- the pump 7 is provided with pump rotation speed detection means 7 a for detecting the rotation speed of the pump 7.
- the on-off valve 26 is opened when the temperature of the cooling water flowing through the cooling water return pipe 8 exceeds a predetermined value or when the rotation speed of the pump 7 exceeds a predetermined value, the caloric pressure cap 2a opens and the reservoir tank 5 It opens as a condition where cooling water and fuel gas flow into. Thereby, for example, even when a user of the fuel cell system opens the cap 5a of the reservoir tank 5 , it is possible to prevent the fuel gas from leaking.
- the rotation speed of the cooling water Si flowing through the cooling water return pipe 8 when the on-off valve 2 6 is opened and the speed of the pump 7 are determined by the experiment and the like through the cooling water return pipe 8 when the pressure cap 2 a is opened. It is also possible to create a map of the number of rotations of the temperature pump 7 and determine it.
- FIG. 8 is a block diagram showing the configuration of the fuel cell system according to Embodiment 8 of the present invention.
- the fuel cell system according to the eighth embodiment is the same as the fuel cell system according to the sixth embodiment except for the points described below, and the same components are denoted by the same reference numerals. .
- the opening of the three-way valve 9 is detected instead of the pressure sensor 2 7 in order to predict the timing when the pressurized cap 2a opens and the coolant and fuel gas flow into the reservoir tank 5.
- An opening degree detecting means 9a is provided.
- the on-off valve 26 has a condition that when the opening on the radiator 2 side of the three-way valve 9 exceeds a predetermined value, the caloric pressure cap 2a opens and cooling water and fuel gas flow into the reservoir tank 5. It is supposed to open as it is. As a result, for example, the fuel cell system It is possible to prevent fuel gas from leaking even when the user of the system opens the cap 5 a of the reservoir tank 5.
- the opening degree of the three-way valve 9 when the on-off valve 26 is opened may be determined by creating a map of the opening degree of the three-way valve 9 when the pressurizing cap 2 a is opened from an experiment or the like. Other effects are the same as those of the fuel cell system according to Embodiment 6.
- FIG. 9 is a block diagram showing a configuration of a fuel cell system according to Embodiment 9 of the present invention. Note that the fuel cell system according to Embodiment 9 is the same as the fuel cell system according to Embodiment 6 except for the points described below, and the same components are denoted by the same reference numerals.
- the fuel gas accumulated in the reservoir tank 5 is diluted only before the fuel cell system is stopped and the cap 5 a of the reservoir tank 5 is opened due to maintenance or the like. Therefore, instead of the pressure sensor 27, a fuel cell stop detection means 1a for detecting whether or not the fuel cell 1 has stopped is provided.
- the on-off valve 26 is opened when the fuel cell 1 is stopped.
- the diluted fuel gas is discharged from the reservoir tank 5 through the dilution gas discharge pipe 15, and further diluted into unused air discharged from one fuel cell flowing through the exhaust pipe 17. It is discharged outside the fuel cell system. Thereby, for example, even when a user of the fuel cell system opens the cap 5a of the reserve tank 5, it is possible to prevent the fuel gas from leaking.
- FIG. 10 is a block diagram showing the configuration of the fuel cell system according to Embodiment 10 of the present invention.
- the fuel cell system according to Embodiment 10 will be described below. Except for this point, the fuel cell system according to the sixth embodiment is the same as the fuel cell system according to the sixth embodiment.
- the fuel cell system is installed in the fuel cell vehicle.
- the reservoir tank 5 is only installed before the vehicle 5 and the fuel cell system are stopped and the cap 5 a of the reservoir tank 5 is opened due to maintenance or the like. Dilute accumulated fuel gas. Therefore, in the fuel cell system according to the present embodiment, instead of the pressure sensor 2 7, the motor 3 2 that is driven by the power generated by the fuel cell 1 and the motor speed that detects the speed of the motor 3 2 are Degree detection means 3 2 a, 3 ⁇ 43 ⁇ 4 3 driven by motor 3 2, and gyration degree detection means 3 3 a for detecting the degree of fineness of 33 are provided.
- the on-off valve 26 opens when the rotation speed of the motor 32 becomes a predetermined value or less, or when the rotation speed of the wheel 33 becomes a predetermined value or less. It should be noted that when the on-off valve 26 opens, the motor 3 2 rotation and the third 3 3 rotation ⁇ S degrees are preferably set to values close to 0, just before the fuel cell vehicle stops. .
- the diluted fuel gas is discharged from the reservoir tank 5 through the dilution gas discharge pipe 15 and further diluted into unused air discharged from the fuel cell 1 flowing through the exhaust pipe 1 7. It is discharged outside the car. This prevents the fuel gas force S from leaking even when the user of the fuel cell vehicle opens the cap 5 a of the reserve tank 5, for example.
- FIG. 11 is a block diagram showing the configuration of the fuel cell system according to Embodiment 11 of the present invention.
- the fuel cell system according to Embodiment 11 is the same as the fuel cell system according to Embodiment 6 except for the points described below, and the same components are denoted by the same reference numerals.
- a fuel cell system is mounted on a fuel cell vehicle, and fuel gas accumulated in the reservoir tank 5 is continuously diluted as in the first embodiment. For this reason, the fuel cell system according to the present embodiment is not provided with the on-off valve 26.
- the oxidant gas supply pipe 1 2 and the air supply pipe 1 3 are provided separately, and the oxidant gas supply pipe 1 2 is not provided with the air filter 1 8 and the intake compressor 1 9. Instead, a foreign matter removal filter 3 4 is provided upstream of the reservoir tank 5 of the air supply pipe 1 3.
- the fuel cell system includes a bench lily 36 provided in the exhaust pipe 17 and connected to the dilution gas discharge pipe 15.
- the air supply pipe 1 3 force is open to the motor room of the S fuel cell vehicle, etc., and the venturi 3 6 creates a negative pressure using the flow of air passing through the exhaust pipe 1 7 to generate power.
- the circulation of air in the oxidant gas supply pipe 1 2 and dilution gas discharge pipe 1 5 is promoted without consumption.
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Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CA2649942A CA2649942C (en) | 2006-05-02 | 2007-04-20 | Fuel cell system with reservoir exhaust |
US12/298,236 US20090087708A1 (en) | 2006-05-02 | 2007-04-20 | Fuel cell system |
EP07742568A EP2043184A1 (en) | 2006-05-02 | 2007-04-20 | Fuel cell system |
JP2008514446A JPWO2007129602A1 (ja) | 2006-05-02 | 2007-04-20 | 燃料電池システム |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006-128216 | 2006-05-02 | ||
JP2006128216 | 2006-05-02 |
Publications (1)
Publication Number | Publication Date |
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WO2007129602A1 true WO2007129602A1 (ja) | 2007-11-15 |
Family
ID=38667710
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/059133 WO2007129602A1 (ja) | 2006-05-02 | 2007-04-20 | 燃料電池システム |
Country Status (5)
Country | Link |
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US (1) | US20090087708A1 (ja) |
EP (1) | EP2043184A1 (ja) |
JP (1) | JPWO2007129602A1 (ja) |
CA (1) | CA2649942C (ja) |
WO (1) | WO2007129602A1 (ja) |
Cited By (7)
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JP2009193713A (ja) * | 2008-02-12 | 2009-08-27 | Nissan Motor Co Ltd | 燃料電池システムおよび燃料電池システムの制御方法 |
JP2010012960A (ja) * | 2008-07-04 | 2010-01-21 | Suzuki Motor Corp | 車両用燃料電池の冷却装置 |
JP2010073560A (ja) * | 2008-09-19 | 2010-04-02 | Nissan Motor Co Ltd | 燃料電池冷却システム |
JP2013033676A (ja) * | 2011-08-03 | 2013-02-14 | Honda Motor Co Ltd | 燃料電池システム |
WO2018105205A1 (ja) * | 2016-12-09 | 2018-06-14 | ブラザー工業株式会社 | 燃料電池システム |
JP2021093240A (ja) * | 2019-12-06 | 2021-06-17 | トヨタ自動車株式会社 | 燃料電池の冷却システム |
US11764373B2 (en) | 2020-12-15 | 2023-09-19 | Hyundai Motor Company | Stack ventilation system |
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US20100307176A1 (en) * | 2009-06-03 | 2010-12-09 | Gm Global Technology Operations, Inc. | Water Cooled Condenser in a Vehicle HVAC System |
KR20130124789A (ko) * | 2012-05-07 | 2013-11-15 | 현대자동차주식회사 | 연료전지 차량의 냉각계 수위 감지 장치 및 방법 |
KR102496639B1 (ko) * | 2016-12-13 | 2023-02-07 | 현대자동차주식회사 | 연료전지 시스템 및 연료전지 스택 하우징 |
DE102022112560A1 (de) | 2022-05-19 | 2023-11-23 | Ford Global Technologies Llc | Brennstoffzellensystem und Verfahren zum Kühlen eines Brennstoffzellensystems |
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2007
- 2007-04-20 CA CA2649942A patent/CA2649942C/en not_active Expired - Fee Related
- 2007-04-20 WO PCT/JP2007/059133 patent/WO2007129602A1/ja active Application Filing
- 2007-04-20 EP EP07742568A patent/EP2043184A1/en not_active Withdrawn
- 2007-04-20 JP JP2008514446A patent/JPWO2007129602A1/ja active Pending
- 2007-04-20 US US12/298,236 patent/US20090087708A1/en not_active Abandoned
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JP2001250570A (ja) | 2000-03-06 | 2001-09-14 | Toyota Motor Corp | 熱交換システム |
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JP2004335154A (ja) * | 2003-04-30 | 2004-11-25 | Honda Motor Co Ltd | 燃料電池の冷却装置 |
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Cited By (10)
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JP2009193713A (ja) * | 2008-02-12 | 2009-08-27 | Nissan Motor Co Ltd | 燃料電池システムおよび燃料電池システムの制御方法 |
JP2010012960A (ja) * | 2008-07-04 | 2010-01-21 | Suzuki Motor Corp | 車両用燃料電池の冷却装置 |
JP2010073560A (ja) * | 2008-09-19 | 2010-04-02 | Nissan Motor Co Ltd | 燃料電池冷却システム |
JP2013033676A (ja) * | 2011-08-03 | 2013-02-14 | Honda Motor Co Ltd | 燃料電池システム |
WO2018105205A1 (ja) * | 2016-12-09 | 2018-06-14 | ブラザー工業株式会社 | 燃料電池システム |
JP2018097950A (ja) * | 2016-12-09 | 2018-06-21 | ブラザー工業株式会社 | 燃料電池システム |
US11152628B2 (en) | 2016-12-09 | 2021-10-19 | Brother Kogyo Kabushiki Kaisha | Fuel cell system |
JP2021093240A (ja) * | 2019-12-06 | 2021-06-17 | トヨタ自動車株式会社 | 燃料電池の冷却システム |
JP7264029B2 (ja) | 2019-12-06 | 2023-04-25 | トヨタ自動車株式会社 | 燃料電池の冷却システム |
US11764373B2 (en) | 2020-12-15 | 2023-09-19 | Hyundai Motor Company | Stack ventilation system |
Also Published As
Publication number | Publication date |
---|---|
CA2649942A1 (en) | 2007-11-15 |
EP2043184A1 (en) | 2009-04-01 |
JPWO2007129602A1 (ja) | 2009-09-17 |
CA2649942C (en) | 2012-01-10 |
US20090087708A1 (en) | 2009-04-02 |
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