KR101052914B1 - 연료전지 시스템 및 그 제어방법 - Google Patents
연료전지 시스템 및 그 제어방법 Download PDFInfo
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- KR101052914B1 KR101052914B1 KR1020090010293A KR20090010293A KR101052914B1 KR 101052914 B1 KR101052914 B1 KR 101052914B1 KR 1020090010293 A KR1020090010293 A KR 1020090010293A KR 20090010293 A KR20090010293 A KR 20090010293A KR 101052914 B1 KR101052914 B1 KR 101052914B1
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- oxidant gas
- fuel cell
- flow path
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- gas flow
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- 239000000446 fuel Substances 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims description 31
- 239000007800 oxidant agent Substances 0.000 claims abstract description 137
- 230000001590 oxidative effect Effects 0.000 claims abstract description 133
- 238000001514 detection method Methods 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 7
- 239000007789 gas Substances 0.000 abstract description 133
- 239000002737 fuel gas Substances 0.000 abstract description 23
- 239000000498 cooling water Substances 0.000 abstract description 12
- 238000009792 diffusion process Methods 0.000 abstract description 10
- 239000003054 catalyst Substances 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 10
- 239000012528 membrane Substances 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000005518 polymer electrolyte Substances 0.000 description 7
- 102100029860 Suppressor of tumorigenicity 20 protein Human genes 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- -1 Hydrogen ions Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- AFCIMSXHQSIHQW-UHFFFAOYSA-N [O].[P] Chemical compound [O].[P] AFCIMSXHQSIHQW-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical group [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Images
Classifications
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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
-
- 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
- H01M8/0438—Pressure; Ambient pressure; Flow
- H01M8/04395—Pressure; Ambient pressure; Flow of cathode reactants at the inlet or inside the fuel cell
-
- 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
- H01M8/04559—Voltage of fuel cell stacks
-
- 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
- H01M8/04604—Power, energy, capacity or load
- H01M8/04619—Power, energy, capacity or load of fuel cell stacks
-
- 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
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- 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
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
-
- 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
-
- 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
- H01M8/2457—Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
Description
Claims (9)
- 삭제
- 삭제
- 삭제
- 삭제
- 연료전지스택 출력의 직류전압 값, 교류전력 값 및 산화제가스유로 입력단에서 산화제가스의 압력 값을 감지하는 감지단계;상기 감지단계에서 감지한 상기 직류전압 값 및 상기 교류전력 값이 각각 설정 값 이하로 감소하는지를 판단하는 제1 판단단계;상기 직류전압 값 및 상기 교류전력 값이 각각 설정 값 이하로 감소하면, 산화제가스유로 출력단을 폐쇄하는 폐쇄단계;상기 산화제가스의 압력 값이 설정 값 범위에 속하는가를 판단하는 제2 판단단계; 및상기 산화제가스의 압력 값이 설정 값 범위에 속하면, 산화제가스유로 출력단을 개방하는 개방단계를 포함하는 연료전지 시스템 제어방법.
- 제5 항에 있어서,상기 감지단계에서 상기 개방단계를 통하여 상기 산화제가스유로 출력단의 폐쇄/개방의 반복 횟수가 설정 값과 같은가를 판단하는 제3 판단단계; 및상기 반복 횟수가 설정 값과 같으면 상기 감지단계에서 상기 제3 판단단계로 한 주기를 완성하고, 상기 주기의 반복 횟수가 설정 값과 같은가를 판단하고 끝내는 제4 판단단계를 더 포함하는 연료전지 시스템 제어방법.
- 제6 항에 있어서,상기 제2 판단단계는,상기 산화제가스의 압력 값이 설정 값 범위에서 유지되는 유지시간이 설정 값 범위에 속하는가를 더 판단하는 연료전지 시스템 제어방법.
- 연료전지스택 출력의 직류전압 값, 교류전력 값 및 산화제가스유로 입력단에서 산화제가스의 압력 값을 감지하는 감지단계;상기 감지단계에서 감지한 상기 직류전압 값 및 상기 교류전력 값이 각각 설정 값 이하로 감소하는지를 판단하는 제1 판단단계;상기 직류전압 값 및 상기 교류전력 값이 각각 설정 값 이하로 감소하면, 상기 산화제가스 유량을 설정 값만큼 줄이는 유량저감단계;상기 산화제가스 유량 감소 후, 기 산화제가스유로 출력단을 폐쇄하는 폐쇄단계;상기 산화제가스의 압력 값이 설정 값 범위에 속하는가를 판단하는 제2 판단단계; 및상기 산화제가스의 압력 값이 설정 값 범위에 속하면, 산화제가스유로 출력단을 개방하는 개방단계를 포함하는 연료전지 시스템 제어방법.
- 제8 항에 있어서,상기 감지단계에서 상기 개방단계를 통하여 상기 산화제가스유로 출력단의 폐쇄/개방의 반복 횟수가 설정 값과 같은가를 판단하는 제3 판단단계;상기 반복 횟수가 설정 값과 같으면 상기 산화제가스 유량을 회복시키는 유량회복단계; 및상기 감지단계에서 상기 유량회복단계로 한 주기를 완성하고, 상기 주기의 반복 횟수가 설정 값과 같은가를 판단하고 끝내는 제4 판단단계를 더 포함하는 연료전지 시스템 제어방법.
Priority Applications (1)
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KR1020090010293A KR101052914B1 (ko) | 2009-02-09 | 2009-02-09 | 연료전지 시스템 및 그 제어방법 |
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KR1020090010293A KR101052914B1 (ko) | 2009-02-09 | 2009-02-09 | 연료전지 시스템 및 그 제어방법 |
Publications (2)
Publication Number | Publication Date |
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KR20100091021A KR20100091021A (ko) | 2010-08-18 |
KR101052914B1 true KR101052914B1 (ko) | 2011-07-29 |
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KR1020090010293A Active KR101052914B1 (ko) | 2009-02-09 | 2009-02-09 | 연료전지 시스템 및 그 제어방법 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005251576A (ja) * | 2004-03-04 | 2005-09-15 | Toyota Motor Corp | 燃料電池システムおよびこれを搭載する移動体 |
JP2007280676A (ja) * | 2006-04-04 | 2007-10-25 | Nissan Motor Co Ltd | 燃料電池システム |
JP2008171746A (ja) * | 2007-01-15 | 2008-07-24 | Toyota Motor Corp | 燃料電池システム |
JP2008181768A (ja) * | 2007-01-25 | 2008-08-07 | Equos Research Co Ltd | 燃料電池システム |
-
2009
- 2009-02-09 KR KR1020090010293A patent/KR101052914B1/ko active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005251576A (ja) * | 2004-03-04 | 2005-09-15 | Toyota Motor Corp | 燃料電池システムおよびこれを搭載する移動体 |
JP2007280676A (ja) * | 2006-04-04 | 2007-10-25 | Nissan Motor Co Ltd | 燃料電池システム |
JP2008171746A (ja) * | 2007-01-15 | 2008-07-24 | Toyota Motor Corp | 燃料電池システム |
JP2008181768A (ja) * | 2007-01-25 | 2008-08-07 | Equos Research Co Ltd | 燃料電池システム |
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KR20100091021A (ko) | 2010-08-18 |
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