WO2003107466A1 - 液体燃料形燃料電池とその運転を監視する運転監視方法および運転監視装置 - Google Patents
液体燃料形燃料電池とその運転を監視する運転監視方法および運転監視装置 Download PDFInfo
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- WO2003107466A1 WO2003107466A1 PCT/JP2003/007622 JP0307622W WO03107466A1 WO 2003107466 A1 WO2003107466 A1 WO 2003107466A1 JP 0307622 W JP0307622 W JP 0307622W WO 03107466 A1 WO03107466 A1 WO 03107466A1
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- cell
- potential
- fuel
- liquid fuel
- negative electrode
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- 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
- H01M8/04552—Voltage of the individual fuel cell
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- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
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- 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
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04228—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during shut-down
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- 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
- H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
- H01M8/04303—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during shut-down
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- 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
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
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- 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
- H01M8/04858—Electric variables
- H01M8/04895—Current
- H01M8/0491—Current of fuel cell stacks
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- 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
- H01M8/04955—Shut-off or shut-down of fuel cells
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- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
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- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
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- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
- H01M8/2418—Grouping by arranging unit cells in a plane
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- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2455—Grouping of fuel cells, e.g. stacking of fuel cells with liquid, solid or electrolyte-charged reactants
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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
Definitions
- the present invention relates to a liquid fuel type fuel cell, an operation monitoring method for monitoring the operation thereof, and an operation monitoring device.
- the present invention relates to a liquid fuel type fuel cell and its system, an operation monitoring method of a fuel cell, and an operation monitoring device.
- Conventional technology
- Fuel cells using liquid fuels are receiving attention.
- a negative electrode (fuel electrode) and a positive electrode (air electrode) are joined to both sides of a polymer electrolyte having proton conductivity.
- This assembly is sandwiched between separators such as a graphite plate that supplies a liquid fuel to the negative electrode and an oxidizing gas to the positive electrode to form a single cell.
- separators such as a graphite plate that supplies a liquid fuel to the negative electrode and an oxidizing gas to the positive electrode to form a single cell.
- separators such as a graphite plate that supplies a liquid fuel to the negative electrode and an oxidizing gas to the positive electrode to form a single cell.
- separators such as a graphite plate that supplies a liquid fuel to the negative electrode and an oxidizing gas to the positive electrode to form a single cell.
- a plurality of cells are stacked to form a cell stack.
- the negative electrode is produced by applying a carbon powder carrying a platinum catalyst on por
- liquid fuel in addition to the methanol aqueous solution, an isopropanol aqueous solution, a dimethyl ether monohydrate system, and the like are used.
- concentration of the aqueous methanol solution is, for example, about 3 wt%.
- the inventor has found that when the output current is excessive or the supply of air or liquid fuel is insufficient, the exhaust fuel on the negative electrode side turns black, and the battery characteristics are irreversibly deteriorated. These phenomena did not occur with hydrogen fuel, but only with liquid fuel, even in fuel cells using similar electrodes and similar polymer electrolytes.
- ruthenium was detected. It is considered that ruthenium was eluted into the fuel from the platinum-ruthenium catalyst of the negative electrode.
- An object of the present invention is to prevent liquid fuel type fuel cells from being deteriorated due to reversal of polarity.
- the single cell or at least one single cell in the cell stack has a potential monitoring unit that monitors a potential between a negative electrode and a positive electrode thereof, and the potential monitoring unit includes: Increase the supply of liquid fuel or oxidizing gas, send out an alarm, reduce the output current of the battery, or stop the operation of the battery when it detects that the potential is below the specified negative potential. Or a function to perform at least one of the following.
- the potential between the negative electrode and the positive electrode is positive when the positive electrode has a higher potential than the negative electrode.
- the detection potential of the inversion is, for example, +2500 mV, preferably 0 to 150 mV, and particularly preferably 120 to 150 mV per cell.
- a liquid fuel type fuel cell system includes at least two cell stacks each including a plurality of fuel cells connected in series, and the cell stack includes a plurality of cell groups each including at least one single cell. And the corresponding cell groups between the cell stacks are connected in parallel. In this way, the occurrence of reversal in a cell with bad conditions can be prevented by another single cell connected in parallel.
- a potential monitor monitors the potential between the negative electrode and the positive electrode of at least one single cell or a cell group constituting the cell group.
- the operation monitoring method for a liquid fuel type fuel cell monitors a potential between a negative electrode and a positive electrode of a single cell or at least one single cell in the cell stack, and the potential is equal to or lower than a predetermined negative potential. When this is detected, increase the supply of liquid fuel or oxidant gas, send out an alarm, reduce the output current of the battery, or stop the operation of the battery. It is characterized by performing.
- the cell stack includes a plurality of cell groups each including at least one single cell, and the corresponding cell groups between the cell stacks are connected in parallel.
- An operation monitoring device for a liquid fuel fuel cell includes: a potential monitoring unit that monitors a potential between a negative electrode and a positive electrode of a single cell or at least one single cell in the cell stack; When the potential is detected to be lower than a predetermined negative potential, the supply of liquid fuel or oxidizing gas is increased, an alarm is issued, the output current of the battery is reduced, or the operation of the battery is performed. And a control unit for stopping or performing at least one of the following.
- at least two cell stacks are provided, and the cell stack has a plurality of cell groups including at least one single cell, and the corresponding cell groups between the cell stacks are connected in parallel. ing.
- BRIEF DESCRIPTION OF THE FIGURES Figure 1 shows how the battery characteristics change after applying a reverse voltage of 140 mV and a reverse voltage of 160 OmV to a single cell.
- FIG. 2 is a diagram showing a configuration of the direct methanol fuel cell of the example.
- FIG. 3 is a diagram illustrating a method of monitoring operation of the direct methanol fuel cell according to the embodiment.
- FIG. 4 is a diagram showing an operation monitoring device for a direct methanol fuel cell according to the embodiment.
- FIG. 5 is a diagram showing a main part of the direct methanol fuel cell system according to the embodiment.
- FIG. 6 is a diagram showing a main part of a direct methanol fuel cell system according to another embodiment.
- FIG. 7 is a diagram illustrating an example of the operation monitoring device of the direct methanol fuel cell system according to the embodiment.
- FIG. 8 is a diagram comparing the discharge characteristics of the direct methanol fuel cell system of the embodiment and the conventional direct methanol fuel cell system.
- FIG. 9 is a diagram schematically illustrating the direct methanol fuel cell system of the example.
- FIG. 10 is a diagram schematically showing a direct methanol fuel cell system according to another embodiment. Example
- MEA membrane electrode assembly
- the effective electrode area of this single cell is It was 3 6 cm 2.
- This single cell was heated to 90 ° C, a 3 wt% aqueous methanol solution as a liquid fuel was supplied at 10 milliliter / min, and air as an oxidant gas was supplied at 2 liters.
- reduce the flow rate of the aqueous methanol solution from 10 milliliters Z by reducing the flow rate of air to 2 liters / minute
- the direct methanol fuel cell when the supply of the aqueous methanol solution or air is insufficient or the output current becomes excessive with respect to the supply of the aqueous methanol solution or air, the single cell is inverted and the potential of the positive electrode with respect to the negative electrode is reduced. Reverse.
- the potential reaches _60 OmV, the formic acid discharged from the negative electrode side serves as an electrolyte because the aqueous methanol solution is kept weakly acidic.
- ruthenium a component of the anode catalyst, is electrochemically dissolved.
- the potential monitoring unit 2 that monitors the potential between the negative electrode and the positive electrode of the single cell 1 shown in FIG. Provide.
- the potential monitoring unit 2 detects a predetermined negative potential, for example, 140 mV
- the supply of liquid fuel or oxidizing gas is increased, an alarm is sent, or the output current of the battery is increased.
- a predetermined negative potential for example, 140 mV
- a predetermined negative potential for example, equal to or lower than 140 OmV
- the supply of liquid fuel or oxidizing gas is increased or an alarm is sent.
- a potential monitoring unit 2 for monitoring the potential between the negative electrode Z and the positive electrode of a single cell is provided.
- the supply of liquid fuel is increased by the liquid fuel controller 11 or the oxidizing gas controller 1 2
- a control unit 3 for performing the control.
- the potential between the negative electrode and the positive electrode of at least one single cell in the single cell or the cell stack was monitored.
- the multiple cell stacks that make up the cell stack are divided into multiple blocks of, for example, 2 to 6 cells, and the potential between the negative electrode and the positive electrode is monitored for each block. It may be configured to detect that a reverse voltage is generated in a single cell.
- the smaller the number of single cells in each block the higher the accuracy is, but the number of potential monitoring units is large, so that a plurality of blocks every 2 to 6 cells, preferably 3 to 5 cells It is desirable to make multiple blocks for each.
- the reverse voltage due to the inversion is prevented from being applied to at least one single cell or a block including a plurality of single cells of the cell stack.
- an electronic circuit such as a diode may be provided.
- Naphion 117 as a polymer electrolyte membrane having proton conductivity (trade name, “Naphion” is a registered trademark of DuPont) was used as an electrolyte, and carbon powder carrying a platinum-ruthenium catalyst was applied to a porous carbon paper for a negative electrode, and carbon powder carrying a platinum catalyst was applied to a carbon paper for a positive electrode. .
- These were joined by a hot press method at a temperature of 130 ° C. and a pressure of 980 N to form a membrane electrode assembly (MEA), and this membrane electrode assembly (MEA) was sandwiched by a graphite separator.
- the effective electrode area of this cell was 36 cm 2 , and 10 cells were stacked in a cell stack and connected in series.
- cell stacks 22a, 22b, and 22c were formed by five cell groups each consisting of two single cells.
- the corresponding cell groups 23a, 23b, 23c (cell groups consisting of cells at the same position) between the respective cell stacks 22a, 22b, 22c are connected by connecting lines 38. Connected and connected in parallel.
- a specific single cell deteriorates, the supply of aqueous methanol solution and air to each cell constituting the cell stack becomes uneven, and the supply of aqueous methanol solution and air to the specific single cell Even if the cell voltage is not enough, the corresponding cell groups 23a, 23b, 23c between the cell stacks are connected to each other by the connection line 38, so that the output voltage of a specific single cell may drop extremely. There is no.
- the potential monitoring unit 5 is provided in one cell group 23 b (in which two single cells 21 b are connected in series) in one cell stack 22 b.
- the potential monitor 5 monitors the potential between the negative electrode and the positive electrode of the cell group 23 b.
- a force for increasing the supply of liquid fuel or oxidizing gas to the cell stack 22b or the system including the cell group 23b and a force for sending an alarm. Or a force that reduces the output current of the system. Stops the operation of the system.
- Potential monitoring unit 5 is a cell group 23 b The potential between the negative electrode / positive electrode may be monitored for each single cell 21b in the middle.
- the monitoring unit 5 may be provided in at least one cell group other than the cell group 23 b in the cell stack 22 b.
- the set voltage can be set to an arbitrary value of 0.5 V or more.
- the voltage of any single cell in the cell group should be adjusted according to the number of cells in the cell group so that the voltage does not fall below 0.5 V. Determine.
- the change in the monitored potential is small and the cell that has deteriorated is reduced. Therefore, it is preferable not to increase the number of cells in the cell group.
- a 3 wt% aqueous methanol solution is supplied as liquid fuel per cell in 8 milliliter Z minutes, and air is supplied as oxidant gas in 1 liter Z minutes. And drove.
- the methanol supply was reduced, and an aqueous methanol solution was supplied at 1 milliliter Z minute per cell.
- an aqueous methanol solution was supplied to one single cell of the cell stack at a rate of 1 milliliter Z per cell, and an aqueous methanol solution was supplied to the other single cell at a rate of 8 milliliters / minute.
- the air supply was 1 liter / min for each single cell.
- the current density was increased while measuring the discharge voltage of the single cell from which the methanol supply was reduced by the potential monitoring unit 5.
- Fig. 8 shows the results.
- the discharge current density is 3 0 O m A / cm 2 to approximately the the beginning discharge voltage decreases, discharge current
- the discharge voltage was 10.6 V, and the generation of a large pole was recognized.
- the discharge current although density discharge voltage is in the vicinity of 3 0 O mA / cm 2 begins to fall, until the discharge current density is in the vicinity of 3 6 0 m A / cm 2 , No inversion was observed.
- the connection line 38 the connection line 38
- the discharge current can be shared among the corresponding cell groups 23a, 23b, and 23c.
- the same current flows through the cell 21b where the flow rate of supplying the aqueous methanol solution is reduced, and the discharge voltage of the cell 21b decreases extremely. I do.
- the discharge current density is reduced to 40%.
- FIG. 9 and FIG. 10 schematically show the direct methanol fuel cell system of the embodiment.
- a proton conductive portion 26 having proton conductivity is formed on a part of one solid electrolyte membrane 24.
- a negative electrode 30 and a positive electrode 32 are formed on the front and back of the proton conductive portion 26, a plurality of single cells 21 are formed adjacent to the solid electrolyte membrane 24, and a resin or the like is impregnated between the cells 21.
- An insulating portion without proton conductivity is formed.
- a connection portion 34 is formed in the insulating portion 28, and the unit cells are electrically connected by the connection portion 34.
- the negative electrode 30 is a mixture of, for example, a conductive catalyst of C (carbon) and Pt—Ru mixed with naphion (registered trademark) and PTFE (polytetrafluoroethylene). Where the ratio of Pt to Ru is 1: 1.5 (molar ratio), (precious The ratio of the noble metal to the genus + carbon) was about 50 wt%, and the weight ratio of catalyst: PTFE: Nafion was 55:17:28. The content of the noble metal was set to l mgZcm 2 per unit electrode surface area.
- a backing layer such as carbon paper is provided on the liquid fuel flow path side.
- a conductive catalyst of C (carbon) -Pt is preferably used instead of the conductive catalyst of C (carbon) -Pt—Ru, and the noble metal is Pt100%, The ratio of the noble metal to the noble metal + carbon) was about 50 wt%, and the weight ratio of the catalyst: PTFE: Nafion was 66:13:21. The content of the noble metal was set at lmg / cm 2 per unit electrode surface area. The other points are the same as those of the negative electrode 30, and it is preferable to similarly provide a packing layer such as carbon paper.
- the thickness of the proton conductive part 26 is 180 ⁇ m
- the thickness of the negative electrode 30 and the thickness of the positive electrode 32 are 200 zm, respectively. did.
- the negative electrode 30 and the positive electrode 32 may be provided with a catalyst layer made of a conductive catalyst and having a thickness of 100 to 500 ⁇ .
- connection portion 34 electronically connects the negative electrode 30 and the positive electrode 32 on both the front and back surfaces of the solid electrolyte membrane 24 (proton conductive portion 26).
- Reference numerals 36 and 37 denote output terminals of the cell stacks 22 a to c. By connecting the polarities of the output terminals 36 and 37 to each other, each cell stack 22 a to c is connected in parallel. Connect to and configure the system. In the system of the present invention, as shown in FIG. 9 (a), FIG. 10 (a) and the respective connection diagrams FIG. 9 (b) and FIG.
- each cell stack 2 2 A cell group 23 is composed of the individual single cells 21 of a to c, and the corresponding cell groups 23 between the respective cell stacks 22 a to c are connected by connecting lines 38. Connect in parallel.
- the connection line 38 can be realized by interposing a conductive net or a carbon plate.
- the potential between the negative electrode and the positive electrode of the cell group 23 b in which two single cells 21 b are connected in series is monitored. Monitor in part 5.
- the control unit 7 supplies the liquid fuel to the cell stack 2 2 b or the system including the cell group 23 b via the liquid fuel controller 11. Increase.
- the supply of oxidant gas to the cell stack 2 2b or the system is increased via the oxidant gas controller 12 and an alarm is sent out by the alarm display 14 or the system operation is made by the battery operation controller 13. Output current is reduced or system shuts down.
- the potential monitoring unit 5 may monitor the potential between the negative electrode and the positive electrode of one single cell 2 lb, or may monitor the potential between the negative electrode and the positive electrode in a plurality of cell groups 23 b.
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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AU2003276314A AU2003276314A1 (en) | 2002-06-17 | 2003-06-16 | Liquid-fuel fuel cell, operation monitoring method for monitoring operation thereof, and operation monitoring device |
JP2004514171A JPWO2003107466A1 (ja) | 2002-06-17 | 2003-06-16 | 液体燃料形燃料電池とその運転を監視する運転監視方法および運転監視装置 |
US10/518,228 US20050233186A1 (en) | 2002-06-17 | 2003-06-16 | Liquid-fuel fuel cell, operation monitoring method for monitoring operation thereof, and operation monitoring device |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2002176303 | 2002-06-17 | ||
JP2002/176303 | 2002-06-17 | ||
JP2002/189362 | 2002-06-28 | ||
JP2002189362 | 2002-06-28 |
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WO2003107466A1 true WO2003107466A1 (ja) | 2003-12-24 |
WO2003107466A8 WO2003107466A8 (en) | 2005-06-23 |
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PCT/JP2003/007622 WO2003107466A1 (ja) | 2002-06-17 | 2003-06-16 | 液体燃料形燃料電池とその運転を監視する運転監視方法および運転監視装置 |
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US (1) | US20050233186A1 (ja) |
JP (1) | JPWO2003107466A1 (ja) |
AU (1) | AU2003276314A1 (ja) |
WO (1) | WO2003107466A1 (ja) |
Cited By (7)
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WO2005028715A1 (en) * | 2003-09-22 | 2005-03-31 | Hydrogenics Corporation | System and method for alarm recovery for an electrolyzer cell module |
JP2006049259A (ja) * | 2004-07-09 | 2006-02-16 | Toyota Motor Corp | 燃料電池システム |
JP2006114481A (ja) * | 2004-09-16 | 2006-04-27 | Seiko Instruments Inc | 燃料電池システム |
JP2007149392A (ja) * | 2005-11-24 | 2007-06-14 | Toyota Motor Corp | 燃料電池 |
US7674537B2 (en) * | 2003-03-31 | 2010-03-09 | Gs Yuasa Corporation | Direct methanol type fuel cell and method of preventing elution of its fuel pole, quality control method and operation method |
JP2012033500A (ja) * | 2004-09-16 | 2012-02-16 | Seiko Instruments Inc | 燃料電池システム |
WO2012039005A1 (ja) | 2010-09-22 | 2012-03-29 | トヨタ自動車株式会社 | 燃料電池スタック |
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KR20070098136A (ko) * | 2006-03-31 | 2007-10-05 | 삼성에스디아이 주식회사 | 연료 전지용 막-전극 어셈블리 및 이를 포함하는 연료 전지시스템 |
JP5200414B2 (ja) * | 2007-04-26 | 2013-06-05 | トヨタ自動車株式会社 | 燃料電池システム |
JP2008311064A (ja) * | 2007-06-14 | 2008-12-25 | Canon Inc | 燃料電池システム及び燃料電池の活性化方法 |
JP4998609B2 (ja) | 2010-05-25 | 2012-08-15 | トヨタ自動車株式会社 | 燃料電池システムおよびその制御方法 |
GB201207759D0 (en) * | 2012-05-03 | 2012-06-13 | Imp Innovations Ltd | Fuel cell |
JP6363935B2 (ja) * | 2014-10-28 | 2018-07-25 | ダイハツ工業株式会社 | 燃料電池システム |
US10381617B2 (en) * | 2017-09-28 | 2019-08-13 | GM Global Technology Operations LLC | Polymeric battery frames and battery packs incorporating the same |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0055016A1 (en) * | 1980-12-22 | 1982-06-30 | Westinghouse Electric Corporation | High temperature solid electrolyte fuel cell configurations |
JPS6476682A (en) * | 1987-09-17 | 1989-03-22 | Mitsubishi Electric Corp | Fuel cell |
WO1997021256A1 (en) * | 1995-12-08 | 1997-06-12 | California Institute Of Technology | Direct methanol feed fuel cell and system |
EP0982788A2 (en) * | 1998-08-21 | 2000-03-01 | General Motors Corporation | Method and apparatus for safeguarding fuel cells against reverse polarization damage |
JP2000268836A (ja) * | 1999-03-15 | 2000-09-29 | Sony Corp | 発電デバイス |
EP1069636A2 (en) * | 1999-07-06 | 2001-01-17 | General Motors Corporation | Fuel cell stack monitoring and system control |
DE10042210A1 (de) * | 1999-09-08 | 2001-03-29 | Sofco Alliance | Verbundene Festoxyd-Brennstoffzellenstapel und Verfahren zur Herstellung derselben |
EP1134830A2 (en) * | 2000-03-17 | 2001-09-19 | Samsung Electronics Co., Ltd. | Monopolar cell pack of proton exchange membrane fuel cell and direct methanol fuel cell |
JP2002008702A (ja) * | 2000-06-27 | 2002-01-11 | Idemitsu Kosan Co Ltd | 燃料電池用監視装置 |
WO2002007242A2 (en) * | 2000-07-19 | 2002-01-24 | The Johns Hopkins University | Scalable, all-polymer fuel cell |
JP2002151134A (ja) * | 2000-11-07 | 2002-05-24 | Sony Corp | 平面配列型電気化学素子ユニット |
DE10161234A1 (de) * | 2000-12-27 | 2002-07-11 | Plug Power L L C | Technik zum Regeln der Effizienz eines Brennstoffzellensystems |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6724194B1 (en) * | 2000-06-30 | 2004-04-20 | Ballard Power Systems Inc. | Cell voltage monitor for a fuel cell stack |
US6696190B2 (en) * | 2001-06-29 | 2004-02-24 | Plug Power Inc. | Fuel cell system and method |
-
2003
- 2003-06-16 JP JP2004514171A patent/JPWO2003107466A1/ja active Pending
- 2003-06-16 US US10/518,228 patent/US20050233186A1/en not_active Abandoned
- 2003-06-16 AU AU2003276314A patent/AU2003276314A1/en not_active Abandoned
- 2003-06-16 WO PCT/JP2003/007622 patent/WO2003107466A1/ja active Application Filing
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0055016A1 (en) * | 1980-12-22 | 1982-06-30 | Westinghouse Electric Corporation | High temperature solid electrolyte fuel cell configurations |
JPS6476682A (en) * | 1987-09-17 | 1989-03-22 | Mitsubishi Electric Corp | Fuel cell |
WO1997021256A1 (en) * | 1995-12-08 | 1997-06-12 | California Institute Of Technology | Direct methanol feed fuel cell and system |
EP0982788A2 (en) * | 1998-08-21 | 2000-03-01 | General Motors Corporation | Method and apparatus for safeguarding fuel cells against reverse polarization damage |
JP2000268836A (ja) * | 1999-03-15 | 2000-09-29 | Sony Corp | 発電デバイス |
EP1069636A2 (en) * | 1999-07-06 | 2001-01-17 | General Motors Corporation | Fuel cell stack monitoring and system control |
DE10042210A1 (de) * | 1999-09-08 | 2001-03-29 | Sofco Alliance | Verbundene Festoxyd-Brennstoffzellenstapel und Verfahren zur Herstellung derselben |
EP1134830A2 (en) * | 2000-03-17 | 2001-09-19 | Samsung Electronics Co., Ltd. | Monopolar cell pack of proton exchange membrane fuel cell and direct methanol fuel cell |
JP2002008702A (ja) * | 2000-06-27 | 2002-01-11 | Idemitsu Kosan Co Ltd | 燃料電池用監視装置 |
WO2002007242A2 (en) * | 2000-07-19 | 2002-01-24 | The Johns Hopkins University | Scalable, all-polymer fuel cell |
JP2002151134A (ja) * | 2000-11-07 | 2002-05-24 | Sony Corp | 平面配列型電気化学素子ユニット |
DE10161234A1 (de) * | 2000-12-27 | 2002-07-11 | Plug Power L L C | Technik zum Regeln der Effizienz eines Brennstoffzellensystems |
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US7674537B2 (en) * | 2003-03-31 | 2010-03-09 | Gs Yuasa Corporation | Direct methanol type fuel cell and method of preventing elution of its fuel pole, quality control method and operation method |
WO2005028715A1 (en) * | 2003-09-22 | 2005-03-31 | Hydrogenics Corporation | System and method for alarm recovery for an electrolyzer cell module |
WO2005028714A1 (en) * | 2003-09-22 | 2005-03-31 | Hydrogenics Corporation | Apparatus and method for reducing instances of pump de-priming |
JP2006049259A (ja) * | 2004-07-09 | 2006-02-16 | Toyota Motor Corp | 燃料電池システム |
JP2006114481A (ja) * | 2004-09-16 | 2006-04-27 | Seiko Instruments Inc | 燃料電池システム |
JP2012033500A (ja) * | 2004-09-16 | 2012-02-16 | Seiko Instruments Inc | 燃料電池システム |
JP2007149392A (ja) * | 2005-11-24 | 2007-06-14 | Toyota Motor Corp | 燃料電池 |
WO2012039005A1 (ja) | 2010-09-22 | 2012-03-29 | トヨタ自動車株式会社 | 燃料電池スタック |
US8501362B2 (en) | 2010-09-22 | 2013-08-06 | Toyota Jidosha Kabushiki Kaisha | Fuel cell stack |
Also Published As
Publication number | Publication date |
---|---|
US20050233186A1 (en) | 2005-10-20 |
WO2003107466A8 (en) | 2005-06-23 |
JPWO2003107466A1 (ja) | 2005-10-20 |
AU2003276314A1 (en) | 2003-12-31 |
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