KR101136499B1 - 연료전지시스템 - Google Patents
연료전지시스템 Download PDFInfo
- Publication number
- KR101136499B1 KR101136499B1 KR1020097023226A KR20097023226A KR101136499B1 KR 101136499 B1 KR101136499 B1 KR 101136499B1 KR 1020097023226 A KR1020097023226 A KR 1020097023226A KR 20097023226 A KR20097023226 A KR 20097023226A KR 101136499 B1 KR101136499 B1 KR 101136499B1
- Authority
- KR
- South Korea
- Prior art keywords
- scavenging
- time
- fuel cell
- impedance
- cell stack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000446 fuel Substances 0.000 title claims abstract description 118
- 230000002000 scavenging effect Effects 0.000 claims abstract description 113
- 238000000034 method Methods 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 12
- 230000000295 complement effect Effects 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 54
- 239000002737 fuel gas Substances 0.000 description 22
- 230000001590 oxidative effect Effects 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 239000003792 electrolyte Substances 0.000 description 16
- 230000006870 function Effects 0.000 description 15
- 239000012528 membrane Substances 0.000 description 15
- 230000008569 process Effects 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 230000004044 response Effects 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 7
- 239000002826 coolant Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 238000010248 power generation Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000012887 quadratic function Methods 0.000 description 3
- 239000012495 reaction gas Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000002847 impedance measurement Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910002845 Pt–Ni Inorganic materials 0.000 description 1
- 229910002848 Pt–Ru Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 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
-
- 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
- H01M8/04634—Other electric variables, e.g. resistance or impedance
- H01M8/04649—Other electric variables, e.g. resistance or impedance of fuel cell stacks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
-
- 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
- H01M8/04—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
-
- 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
-
- 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
- H01M8/0432—Temperature; Ambient temperature
- H01M8/04365—Temperature; Ambient temperature of other components of a fuel cell or 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
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04828—Humidity; Water content
- H01M8/0485—Humidity; Water content of the electrolyte
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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
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04992—Processes for controlling fuel cells or fuel cell systems characterised by the implementation of mathematical or computational algorithms, e.g. feedback control loops, fuzzy logic, neural networks or artificial intelligence
-
- 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
Landscapes
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
Description
Claims (5)
- 연료전지와,상기 연료전지에 소기가스를 공급하는 소기장치와,소기 개시 시점에서 상기 연료전지의 교류 임피던스를 측정함과 함께, 소기 개시 후의 시점에서 상기 연료전지의 교류 임피던스를 측정하는 교류 임피던스 측정부와,상기 소기 개시 시점에서 측정한 교류 임피던스, 상기 소기 개시 후의 시점에서 측정한 교류 임피던스, 및 상기 소기 개시 시점으로부터 상기 소기 개시 후의 시점까지의 시간에 의거하여 소기 실시시간을 추정하는 소기 실시시간 추정부와,상기 소기 실시시간이 미리 정해진 최대 소기시간을 넘어서 있는 경우에는, 상기 소기 실시시간을 상기 최대 소기시간으로 제한하는 제한부를 구비하는 연료전지시스템.
- 제 1항에 있어서,상기 소기 실시시간 추정부는, 보완 함수를 사용하여 상기 소기 실시시간을 추정하는 연료전지시스템.
- 제 1항에 있어서,상기 소기 개시 후의 시점은, 소기에 의하여 상기 연료전지의 온도 변화 속도의 절대값이 미리 설정된 문턱값을 하회한 시점인 연료전지시스템.
- 제 1항에 있어서,상기 소기 개시 후의 시점은, 소기의 개시로부터 미리 정해진 일정 시간이 경과한 시점인 연료전지시스템.
- 제 1항에 있어서,상기 소기 실시시간 추정부에 의해 추정된 소기 실시시간이 상기 최대 소기시간을 넘어서 있는 경우에는, 상기 제한부는, 소기 완료 시의 상기 연료전지의 교류 임피던스가 목표 교류 임피던스 미만이어도, 상기 소기 실시시간을 상기 최대 소기시간으로 제한하는 연료전지시스템.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007125448A JP4868239B2 (ja) | 2007-05-10 | 2007-05-10 | 燃料電池システム |
JPJP-P-2007-125448 | 2007-05-10 | ||
PCT/JP2008/058890 WO2008143112A1 (ja) | 2007-05-10 | 2008-05-08 | 燃料電池システム |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090128545A KR20090128545A (ko) | 2009-12-15 |
KR101136499B1 true KR101136499B1 (ko) | 2012-04-19 |
Family
ID=40031821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020097023226A Expired - Fee Related KR101136499B1 (ko) | 2007-05-10 | 2008-05-08 | 연료전지시스템 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8236460B2 (ko) |
EP (1) | EP2157649A4 (ko) |
JP (1) | JP4868239B2 (ko) |
KR (1) | KR101136499B1 (ko) |
CN (1) | CN101682054B (ko) |
DE (1) | DE112008001025T5 (ko) |
WO (1) | WO2008143112A1 (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5168148B2 (ja) * | 2006-11-10 | 2013-03-21 | 日本電気株式会社 | 無線通信装置 |
JP4868240B2 (ja) * | 2007-05-10 | 2012-02-01 | トヨタ自動車株式会社 | 燃料電池システム |
JP4894608B2 (ja) * | 2007-05-10 | 2012-03-14 | トヨタ自動車株式会社 | 燃料電池システム |
JP4947362B2 (ja) * | 2007-05-10 | 2012-06-06 | トヨタ自動車株式会社 | 燃料電池システム |
JP5617749B2 (ja) * | 2010-09-10 | 2014-11-05 | 株式会社デンソー | ガス濃度測定装置 |
WO2012132678A1 (ja) | 2011-03-31 | 2012-10-04 | エヌ・イー ケムキャット株式会社 | アンモニア酸化触媒、およびそれを用いた排気ガス浄化装置並びに排気ガス浄化方法 |
US9018961B2 (en) * | 2012-08-01 | 2015-04-28 | GM Global Technology Operations LLC | Diagnosing injector failure via stack voltage response analysis |
US9752682B2 (en) * | 2012-09-07 | 2017-09-05 | GM Global Technology Operations LLC | Compound back-up ring for O-ring/back-up ring sealing systems in 70 MPA hydrogen storage systems |
CN107615544B (zh) * | 2015-05-21 | 2018-11-27 | 日产自动车株式会社 | 电力调整系统及其控制方法 |
WO2016185608A1 (ja) * | 2015-05-21 | 2016-11-24 | 日産自動車株式会社 | 電力調整システム及びその制御方法 |
KR101954586B1 (ko) * | 2015-08-11 | 2019-03-05 | 닛산 지도우샤 가부시키가이샤 | 전력 조정 시스템 및 그 제어 방법 |
CN107921879B (zh) * | 2015-08-11 | 2019-07-26 | 日产自动车株式会社 | 电力调整系统及其控制方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004179086A (ja) | 2002-11-28 | 2004-06-24 | Nissan Motor Co Ltd | 固体高分子型燃料電池システム及びその運転方法 |
JP2005339845A (ja) | 2004-05-24 | 2005-12-08 | Toyota Motor Corp | 燃料電池システム |
JP2005353438A (ja) | 2004-06-11 | 2005-12-22 | Nissan Motor Co Ltd | 燃料電池システム |
JP2006019184A (ja) | 2004-07-02 | 2006-01-19 | Honda Motor Co Ltd | 燃料電池システム |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6479177B1 (en) | 1996-06-07 | 2002-11-12 | Ballard Power Systems Inc. | Method for improving the cold starting capability of an electrochemical fuel cell |
JP4759815B2 (ja) | 2001-02-13 | 2011-08-31 | 株式会社デンソー | 燃料電池システム |
WO2004102708A2 (en) | 2003-05-15 | 2004-11-25 | Nissan Motor Co., Ltd. | Prevention of flooding of fuel cell stack |
JP2005353425A (ja) * | 2004-06-10 | 2005-12-22 | Nissan Motor Co Ltd | 燃料電池システム |
US20050287402A1 (en) * | 2004-06-23 | 2005-12-29 | Maly Douglas K | AC impedance monitoring of fuel cell stack |
JP4887619B2 (ja) | 2004-11-29 | 2012-02-29 | 日産自動車株式会社 | 燃料電池システム |
JP4868240B2 (ja) * | 2007-05-10 | 2012-02-01 | トヨタ自動車株式会社 | 燃料電池システム |
JP4894608B2 (ja) * | 2007-05-10 | 2012-03-14 | トヨタ自動車株式会社 | 燃料電池システム |
-
2007
- 2007-05-10 JP JP2007125448A patent/JP4868239B2/ja not_active Expired - Fee Related
-
2008
- 2008-05-08 US US12/524,487 patent/US8236460B2/en not_active Expired - Fee Related
- 2008-05-08 DE DE112008001025T patent/DE112008001025T5/de not_active Withdrawn
- 2008-05-08 EP EP08764294A patent/EP2157649A4/en not_active Withdrawn
- 2008-05-08 WO PCT/JP2008/058890 patent/WO2008143112A1/ja active Application Filing
- 2008-05-08 CN CN2008800155289A patent/CN101682054B/zh not_active Expired - Fee Related
- 2008-05-08 KR KR1020097023226A patent/KR101136499B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004179086A (ja) | 2002-11-28 | 2004-06-24 | Nissan Motor Co Ltd | 固体高分子型燃料電池システム及びその運転方法 |
JP2005339845A (ja) | 2004-05-24 | 2005-12-08 | Toyota Motor Corp | 燃料電池システム |
JP2005353438A (ja) | 2004-06-11 | 2005-12-22 | Nissan Motor Co Ltd | 燃料電池システム |
JP2006019184A (ja) | 2004-07-02 | 2006-01-19 | Honda Motor Co Ltd | 燃料電池システム |
Also Published As
Publication number | Publication date |
---|---|
EP2157649A4 (en) | 2011-06-22 |
CN101682054A (zh) | 2010-03-24 |
DE112008001025T5 (de) | 2010-06-24 |
EP2157649A1 (en) | 2010-02-24 |
US8236460B2 (en) | 2012-08-07 |
KR20090128545A (ko) | 2009-12-15 |
CN101682054B (zh) | 2013-02-13 |
WO2008143112A1 (ja) | 2008-11-27 |
JP2008282659A (ja) | 2008-11-20 |
JP4868239B2 (ja) | 2012-02-01 |
US20100112398A1 (en) | 2010-05-06 |
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