WO2007063785A1 - 燃料電池システム - Google Patents
燃料電池システム Download PDFInfo
- Publication number
- WO2007063785A1 WO2007063785A1 PCT/JP2006/323532 JP2006323532W WO2007063785A1 WO 2007063785 A1 WO2007063785 A1 WO 2007063785A1 JP 2006323532 W JP2006323532 W JP 2006323532W WO 2007063785 A1 WO2007063785 A1 WO 2007063785A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuel cell
- gas
- fuel
- short circuit
- oxidizing gas
- Prior art date
Links
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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
-
- 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
-
- 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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04791—Concentration; Density
- H01M8/04798—Concentration; Density of fuel cell reactants
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04544—Voltage
-
- 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.
- fuel cells have poor startability at low temperatures compared to other power sources.
- the power generation efficiency of such a fuel cell decreases with a decrease in temperature, and if the temperature is low, the desired voltage and current cannot be supplied and the device cannot be started.
- a short circuit is configured between the input terminal and output terminal (input / output terminal) of the fuel cell connected to the system load, and the fuel is supplied using a relay etc. at low temperature startup.
- a technology is disclosed in which a battery and a short circuit are connected and a short-circuit current is passed through the fuel cell main body so that the battery is warmed up by self-heating (see, for example, Patent Document 1).
- Patent Document 1 Japanese Patent Laid-Open No. 2 0 0 5-9 9 1 4 3 Disclosure of Invention
- reactive gas gas that contributes to power generation
- the present invention has been made in view of the circumstances described above, and provides a fuel cell system capable of warming up a fuel cell while suppressing the occurrence of an inrush current. With the goal. .
- a fuel cell system includes a fuel cell, a load connected to the fuel cell, and a short circuit provided between input and output terminals from the fuel cell to the load. And a control means for connecting the fuel cell and the short circuit after reducing the reactive gas remaining in the fuel cell.
- the control unit reduce the reaction gas by generating the fuel cell and consuming the reaction gas remaining in the fuel cell.
- the sensor further includes a sensor that detects an output voltage of the fuel cell, and the control unit connects the fuel cell and the short circuit after stopping the power generation of the fuel cell based on a detection result of the sensor.
- the reaction gas preferably includes a fuel gas supplied to the anode of the fuel cell and an oxidizing gas supplied to the power sword, and the control means further preferably reduces the oxidizing gas at least. .
- the apparatus further includes an inert gas supply unit that supplies an inert gas to the fuel cell, and the control unit supplies the inert gas to the fuel cell, thereby providing the fuel cell. It is preferable to reduce the reaction gas remaining in the battery.
- the sensor further includes a sensor that detects an output voltage of the fuel cell, and the control unit connects the fuel cell and the short circuit after stopping the supply of the inert gas based on a detection result of the sensor. This embodiment is preferable.
- the reaction gas includes a fuel gas supplied to the anode of the fuel cell and an oxidizing gas supplied to the cathode, and the control
- the means is preferably such that the oxidizing gas is reduced by supplying a fuel gas to the anode and causing a cross leak of the fuel gas from the anode to the cathode.
- the fuel cell further includes a sensor that detects an output voltage of the fuel cell, and the control unit connects the fuel cell and the short circuit after stopping the supply of the fuel gas based on a detection result of the sensor.
- the fuel cell and the short circuit are connected to each other and further include an adjusting unit that adjusts the supply of the oxidizing gas in accordance with a target short circuit current.
- FIG. 1 is a diagram showing a main configuration of the fuel cell system according to the first embodiment.
- FIG. 2A is a diagram for explaining a conventional short-circuit relay connection method.
- FIG. 2B is a diagram for explaining a conventional short-circuit relay connection method.
- FIG. 2C is a diagram for explaining a conventional short-circuit relay connection method.
- FIG. 3A is a diagram for explaining a connection method of the short-circuit relay of the present invention.
- FIG. 3B is a diagram for explaining the connection method of the short-circuit relay of the present invention.
- FIG. 3C is a diagram for explaining a connection method of the short-circuit relay of the present invention.
- FIG. 4 is a flowchart showing preprocessing according to the first embodiment.
- FIG. 5 is a diagram showing a main configuration of the fuel cell system according to the second embodiment.
- FIG. 6 is a flowchart showing pre-processing according to the second embodiment.
- FIG. 7 is a flowchart showing pre-processing according to the third embodiment. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a diagram showing a main configuration of a fuel cell system 100 according to a first embodiment.
- a fuel cell system mounted on a vehicle such as a fuel cell vehicle (FCHV), an electric vehicle, or a hybrid vehicle is assumed.
- FCHV fuel cell vehicle
- FCHV fuel cell vehicle
- electric vehicle electric vehicle
- hybrid vehicle a vehicle
- moving bodies for example, ships and (Flight aircraft, robots, etc.) and stationary power sources.
- the fuel cell 40 is a means for generating electric power from the supplied reaction gas (fuel gas and oxidant gas), and uses various types of fuel cells such as solid polymer type, phosphoric acid type, and molten carbonate type. be able to.
- the fuel cell 40 has a stack structure in which a plurality of single cells having ⁇ ⁇ ⁇ , etc. are stacked in series.
- the fuel cell 40 has a cell voltage monitor (sensor) for detecting each cell voltage. 5 0 is installed.
- the fuel electrode (anode) of the fuel cell 40 is supplied with fuel gas such as hydrogen gas from the fuel gas supply source 10, while the oxygen electrode (power sword) is supplied with air from the oxidizing gas supply source 70.
- fuel gas such as hydrogen gas from the fuel gas supply source 10
- oxygen electrode power sword
- An oxidizing gas such as is supplied.
- the fuel gas supply source 10 is composed of, for example, a hydrogen tank and various valves, and controls the amount of fuel gas supplied to the fuel cell 40 by adjusting the valve opening, ONZOFF time, and the like.
- the oxidizing gas supply source 70 is composed of, for example, an air compressor, a motor that drives the air compressor, an inverter, and the like, and the amount of oxidizing gas supplied to the fuel cell 40 is adjusted by adjusting the rotational speed of the motor. To do.
- the system load 60 includes a vehicle accessory and an FC accessory driven by electric power supplied from a fuel cell and various types of secondary batteries (for example, a nickel hydrogen battery; not shown).
- the system load 60 is connected between the input terminal 4 1 and the output terminal 4 2 of the fuel cell 40 via the FC relay 61.
- the FC relay 61 is connected to the fuel cell 40 and the system under the control of the controller 90. Switch between connected and unconnected with 60 load.
- Vehicle auxiliary equipment refers to various power devices (lighting equipment, air conditioning equipment, hydraulic pumps, etc.) used during vehicle operation, etc.
- FC auxiliary equipment is used to operate the fuel cell 40. This refers to various types of power equipment (such as pumps for supplying fuel gas and oxidant gas).
- the short circuit 80 is a circuit for supplying a short circuit current to the fuel cell 40, and is provided between the input terminal 41 and the output terminal 42 of the fuel cell 40 (between the input and output terminals).
- the short circuit 80 is composed of a short circuit relay 81, a fuse 82, and a current sensor 83 connected in series. Under the control of the control device 90, the short circuit relay 81 switches between connection and non-connection between the fuel cell 40 and the short circuit 80.
- the fuse 8 2 realizes fail-safe in the event of a short-circuit relay 8 1 failure, etc., and when the current flowing through the short-circuit circuit 80 (short-circuit current) becomes excessive due to an inrush current, etc., the fuse 8 2 melts itself. By cutting off the current, the fuel cell 40 is protected.
- the current sensor 83 detects the current flowing through the short circuit 80 and outputs the detection result to the control device 90.
- the control device (control means) 90 is composed of CPU, ROM, RAM, and the like, and centrally controls each part of the system based on each sensor signal input. In addition, for example, when an instruction to start the system is input and the temperature measured by the temperature sensor 5 5 5 is lower than the reference temperature, the control device 90 performs pre-processing described later and then performs a short-circuit relay 8 By connecting 1 and short-circuit current to the fuel cell 40, control is performed to raise the temperature inside the fuel cell 40.
- 2A to 2C are diagrams for explaining a conventional short-circuit relay connection method
- FIGS. 3A to 3C are diagrams for explaining a short-circuit relay connection method according to the present invention. . Fig. 2 A and Fig.
- FIG. 3 A show the remaining amount of oxidizing gas
- Fig. 2 B and Fig. 3 B show the switching timing of connection and disconnection of the short-circuit relay
- Fig. 2 C and Fig. 3 C show the current flowing through the fuel cell 40 (FC FIG.
- the oxidizing power remains in the sword of the fuel cell 40 If the short-circuit relay is switched from non-connected to connected (OFF to ON) in this state, an inrush current C r is generated when the relay is connected, and the current flows through the fuel cell 40 and is damaged. .
- the oxidation remaining in the power sword of the fuel cell 40 for example, by driving auxiliary equipment before switching the short-circuit relay from non-connection to connection is performed. Consume gas and generate oxidant gas deficiency (hereinafter referred to as pretreatment). In this way, it is possible to warm up the fuel cell while suppressing the occurrence of inrush current by connecting the short circuit relay after generating the oxidant gas deficiency state and flowing the short circuit current to the fuel cell 40. It becomes.
- FIG. 4 is a flowchart showing the preprocessing.
- Step S l the temperature of the fuel cell 40 measured by the temperature sensor 55
- the FC temperature falls below the set reference temperature.
- step S 2; N O the control device 90 ends the process without executing each step.
- step S 2; YES the control device 90 is required to consume (reduce) the oxidizing gas remaining in the power sword of the fuel cell 40. 0 is generated to start driving the auxiliary machinery (step S 3).
- the supply of oxidizing gas to the power sword of the fuel cell 40 is stopped, while sufficient fuel gas is supplied to the anode of the fuel cell 40 to generate electricity and generate auxiliary fuel.
- Start driving kind the generated power may be stored in a secondary battery such as a battery or a capacitor (both not shown).
- step S4 determines whether or not an oxidizing gas deficiency state has been generated. Specifically, it is detected by the cell voltage monitor (sensor) 50. It is determined whether each known cell voltage has dropped to a predetermined value (for example, around 0 V). If each cell voltage has dropped to a predetermined value, it is determined that an oxidant gas deficiency state has been generated. If the voltage does not drop to a predetermined value, it is determined that no oxidizing gas deficiency state has been generated.
- a predetermined value for example, around 0 V
- step S 4 If the controller 90 determines that the oxidizing gas deficiency state is not generated (step S 4; N O), the control device 90 returns to step S 3 and continues to drive the auxiliary machinery. On the other hand, if it is determined that an oxidizing gas deficiency state has been generated (step S4; YES), the control device 90 stops driving the auxiliary machinery and switches the FC relay 61 from ON to OFF. The fuel cell 40 and the system load 60 are electrically disconnected (Step S5 ⁇ Step S6). In addition, the control device 90 is configured to electrically connect the fuel cell 40 and the short circuit 80 by switching the short circuit relay 81 from OFF to ON (Step S7), and prepare to flow the short circuit current. End the process with.
- the control device 90 supplies fuel gas and oxidizing gas, and starts power generation by the fuel cell 40.
- a short-circuit current flows through the fuel cell 40 and self-heating occurs, and the fuel cell 40 is warmed up.
- the current value of the short-circuit current, the time for which the short-circuit current is passed, and the like may be appropriately set according to the warm-up temperature of the fuel cell 40 and the like.
- the current value of the short circuit current may be controlled so that the current value detected by the current sensor 83 becomes a predetermined value (target current value, etc .; hereinafter, target short circuit current value).
- control device (adjusting means) 90 obtains the required amount of oxidizing gas from the current value detected by the current sensor 83 and the target short-circuit current value, and the obtained amount of oxidizing gas is the fuel cell 40.
- the drive of the air compressor or the like may be controlled so as to be supplied to the air. Further, since the short circuit 80 is provided with the fuse 82, even if an abnormality occurs in the current sensor 83 or the like and the current flowing through the short circuit 80 becomes excessive, the current is not reduced. It can be prevented from flowing to zero.
- the oxidizing gas remaining in the power sword of the fuel cell is consumed, the oxidizing gas deficiency state is generated, the short-circuit relay is connected, and the short-circuit current flows through the fuel cell. This makes it possible to warm up the fuel cell while suppressing the occurrence of inrush current.
- FIG. 5 is a diagram showing a configuration of a fuel cell system 100 0 ′ according to the second embodiment.
- the fuel cell system 1 0 0 ′ is obtained by providing an inert gas supply source 1 1 0 and a three-way valve 1 2 0 to the fuel cell system 1 0 0 shown in FIG. Accordingly, parts corresponding to those in FIG. 1 are denoted by the same reference numerals, and detailed description thereof is omitted.
- Inert gas supply source (inert gas supply means) 1 1 0 is a means for supplying an inert gas such as N 2 gas, and is composed of a high-pressure tank or a pump filled with an inert gas. .
- the three-way valve 1 2 0 is provided in the oxidizing gas supply path, and is controlled by the controller 90. Originally, the gas supplied to the fuel cell 40 is switched. Specifically, the three-way valve 120 is controlled to switch between supplying an oxidizing gas or an inert gas to the anode of the fuel cell 40.
- FIG. 6 is a flowchart showing pre-processing according to the second embodiment. Note that the flow shown in FIG. 6 is provided with steps S 1 3 and S 15 instead of steps S 3 and S 5 shown in FIG. Therefore, other steps are denoted by the same reference numerals, and detailed description thereof is omitted.
- control device 90 determines that the FC temperature is lower than the reference temperature (step S 2; YES), it pushes out (reduces) the oxidizing gas remaining in the power sword of the fuel cell 40.
- the three-way valve 120 is switched to start supplying inert gas to the power sword of the fuel cell 40 (step S 1 3).
- step S4 the control device 90 determines whether or not an oxidizing gas deficiency state has been generated by pushing out the oxidizing gas remaining in the power sword of the fuel cell 40 by the supplied inert gas. To do. Specifically, it is detected whether each cell voltage detected by the cell voltage monitor 50 has dropped to a predetermined value (for example, around 0 V). While it is determined that the state has been generated, it is determined that the oxidizing gas deficiency state has not been generated unless the voltage of each cell has decreased appropriately.
- a predetermined value for example, around 0 V
- step S 4 determines that an oxidizing gas deficiency state has not been generated (step S 4; NO)
- the control device 90 returns to step S 13 and continues supplying the inert gas.
- step S 4; YES if it is determined that an oxidizing gas deficiency state has been generated, the controller 90 stops supplying the inert gas and switches the FC relay 61 from ON to OFF, thereby reducing the fuel. Battery 40 and system load 60 are electrically disconnected (step S 15 ⁇ step S 6). Since the subsequent operation is the same as that of the first embodiment, further explanation is omitted.
- the acid it is possible to reduce the chemical gas and generate an oxidizing gas deficient state.
- an inert gas deficient state is generated by supplying an inert gas to the power cell of the fuel cell, but instead (or in addition) an inert gas is supplied to the anode of the fuel cell.
- the fuel gas deficiency state may be generated by supplying
- An inert gas may be supplied to either the anode or the power sword.
- FIG. 7 is a flowchart showing pre-processing according to the third embodiment.
- steps S 2 3 and S 25 are provided instead of steps S 3 and S 5 shown in FIG. Therefore, other steps are denoted by the same reference numerals, and detailed description thereof is omitted.
- step S 2 When the controller 90 determines that the FC temperature is lower than the reference temperature (step S 2; Y E. S), it stops supplying the oxidizing gas to the power sword, while the fuel cell 40 Sufficient fuel gas is supplied to the anode.
- the fuel gas for example, hydrogen gas
- the molecular diameter of the fuel gas supplied to the anode is smaller than the molecular diameter of the oxidizing gas supplied to the force sword, the cross leak of the fuel gas from the anode to the cathode is started. (Step S2 3).
- step S4 the oxidizing gas remaining in the power sword of the fuel cell 40 is pushed out by the fuel gas generated by the cross leak, so that the oxidizing gas deficiency state is generated.
- a predetermined value for example, around 0V. If each cell voltage has decreased to a predetermined value, an oxidant gas deficiency state is generated. On the other hand, if each cell voltage is not lowered appropriately, it is determined that the oxidizing gas deficiency state is not generated.
- step S4 When the oxidizing gas deficiency state is not generated (step S4; NO), the control device 90 returns to step S23 and continues the cross leak of the fuel gas (for example, 30 seconds). On the other hand, if it is determined that an oxidizing gas deficiency state has been generated (step S 4; YES), the control device 90 stops supplying fuel gas to the anode and switches the FC relay 61 from ON to OF F. The fuel cell 40 and the system load 60 are electrically disconnected (Step S 25 ⁇ Step S 6). Since the subsequent operation is the same as that of the first embodiment, further explanation is omitted.
- warm-up at low-temperature startup is assumed, but the present invention is applicable to any case where warm-up is required, for example, when rapid warm-up is performed before system operation is stopped.
- the short-circuit relay 81 is exemplified as means for switching connection / disconnection between the fuel cell 40 and the short-circuit circuit 80, but a semiconductor switch made of IGBT FET or the like may be used. Note that an LCR load or the like may be installed in the short circuit 80 for current limitation in case of a short circuit. Further, the short circuit 80 may be configured such that the fuse 82 and the current sensor 83 are not provided.
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020087012884A KR101053190B1 (ko) | 2005-11-30 | 2006-11-20 | 연료전지시스템 |
US12/084,776 US8110311B2 (en) | 2005-11-30 | 2006-11-20 | Fuel cell system |
DE112006003266T DE112006003266T5 (de) | 2005-11-30 | 2006-11-20 | Brennstoffzellensystem |
CN2006800450454A CN101322271B (zh) | 2005-11-30 | 2006-11-20 | 燃料电池系统 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-344948 | 2005-11-30 | ||
JP2005344948A JP2007149574A (ja) | 2005-11-30 | 2005-11-30 | 燃料電池システム |
Publications (1)
Publication Number | Publication Date |
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WO2007063785A1 true WO2007063785A1 (ja) | 2007-06-07 |
Family
ID=38092119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/323532 WO2007063785A1 (ja) | 2005-11-30 | 2006-11-20 | 燃料電池システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US8110311B2 (ja) |
JP (1) | JP2007149574A (ja) |
KR (1) | KR101053190B1 (ja) |
CN (1) | CN101322271B (ja) |
DE (1) | DE112006003266T5 (ja) |
WO (1) | WO2007063785A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3133688A1 (de) | 2015-08-19 | 2017-02-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Brennstoffzellenvorrichtung und verfahren zum betrieb einer brennstoffzellenvorrichtung |
CN109216735A (zh) * | 2017-07-07 | 2019-01-15 | 奥迪股份公司 | 燃料电池的切断 |
Families Citing this family (9)
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KR100813247B1 (ko) | 2006-10-17 | 2008-03-13 | 삼성에스디아이 주식회사 | 연료전지 시스템 및 그 운영방법 |
JP4458126B2 (ja) * | 2007-07-30 | 2010-04-28 | トヨタ自動車株式会社 | 燃料電池システム及びその制御方法 |
JP5446166B2 (ja) * | 2008-08-12 | 2014-03-19 | トヨタ自動車株式会社 | 燃料電池システム、及び、その制御方法 |
CN101931110B (zh) * | 2009-06-18 | 2013-12-18 | 比亚迪股份有限公司 | 用于控制电池加热的方法和装置 |
CN101931100B (zh) * | 2009-06-18 | 2012-12-19 | 比亚迪股份有限公司 | 一种电池组件 |
CN101931111B (zh) * | 2009-06-18 | 2012-12-12 | 比亚迪股份有限公司 | 用于控制电池加热的方法和装置 |
EP2443693A4 (en) * | 2009-06-18 | 2013-10-16 | Byd Co Ltd | METHOD AND DEVICE FOR CONTROLLING THE HEATING OF A BATTERY |
CN101931112B (zh) * | 2009-06-18 | 2013-12-04 | 比亚迪股份有限公司 | 用于控制电池加热的方法和装置 |
KR20120011598A (ko) | 2010-07-29 | 2012-02-08 | 삼성에스디아이 주식회사 | 연료 전지 시스템 및 그 구동 방법 |
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- 2006-11-20 WO PCT/JP2006/323532 patent/WO2007063785A1/ja active Application Filing
- 2006-11-20 KR KR1020087012884A patent/KR101053190B1/ko not_active IP Right Cessation
- 2006-11-20 US US12/084,776 patent/US8110311B2/en not_active Expired - Fee Related
- 2006-11-20 DE DE112006003266T patent/DE112006003266T5/de not_active Withdrawn
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EP3133688A1 (de) | 2015-08-19 | 2017-02-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Brennstoffzellenvorrichtung und verfahren zum betrieb einer brennstoffzellenvorrichtung |
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CN109216735A (zh) * | 2017-07-07 | 2019-01-15 | 奥迪股份公司 | 燃料电池的切断 |
Also Published As
Publication number | Publication date |
---|---|
US8110311B2 (en) | 2012-02-07 |
DE112006003266T5 (de) | 2008-10-02 |
US20090169935A1 (en) | 2009-07-02 |
CN101322271B (zh) | 2010-12-01 |
KR20080059673A (ko) | 2008-06-30 |
JP2007149574A (ja) | 2007-06-14 |
CN101322271A (zh) | 2008-12-10 |
KR101053190B1 (ko) | 2011-08-01 |
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