JP5239577B2 - 燃料電池システムおよび燃料電池の起動方法 - Google Patents
燃料電池システムおよび燃料電池の起動方法 Download PDFInfo
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- JP5239577B2 JP5239577B2 JP2008189089A JP2008189089A JP5239577B2 JP 5239577 B2 JP5239577 B2 JP 5239577B2 JP 2008189089 A JP2008189089 A JP 2008189089A JP 2008189089 A JP2008189089 A JP 2008189089A JP 5239577 B2 JP5239577 B2 JP 5239577B2
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- Prior art keywords
- current density
- fuel cell
- power generation
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- 239000000446 fuel Substances 0.000 title claims description 78
- 238000000034 method Methods 0.000 title description 13
- 238000010248 power generation Methods 0.000 claims description 48
- 238000007710 freezing Methods 0.000 claims description 36
- 230000008014 freezing Effects 0.000 claims description 36
- 230000000630 rising effect Effects 0.000 claims description 8
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 39
- 239000003054 catalyst Substances 0.000 description 25
- 238000001514 detection method Methods 0.000 description 20
- 230000007423 decrease Effects 0.000 description 19
- 238000009792 diffusion process Methods 0.000 description 18
- 239000005871 repellent Substances 0.000 description 16
- 230000002940 repellent Effects 0.000 description 13
- 239000001257 hydrogen Substances 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 8
- 239000012528 membrane Substances 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000005518 polymer electrolyte Substances 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000020411 cell activation Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000005588 protonation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Classifications
-
- 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
- Fuel Cell (AREA)
Description
Q(g/s)=18(g/mol)÷(2×94685(C/mol))×I(A/cm2)×S(cm2)・・・(1)
Q(g/s)=I(A/cm2)×S(cm2)×18(g/mol)÷(2×94685(C/mol))・・・(2)
11 膜−電極接合体
12 電解質膜
13 カソード触媒層
14 アノード触媒層
15,16 撥水層
17,18 ガス拡散層
20 カソードガス供給手段
30 アノードガス供給手段
40 負荷
50 電流検出手段
60 温度検出手段
70 制御手段
71 CPU
72 ROM
73 RAM
80 燃料電池システム
Claims (2)
- 燃料電池の氷点下起動時において、発電電流密度が第1のしきい値以下になるように前記燃料電池の発電量を制御する制御手段を備え、
前記制御手段は、前記氷点下起動時における前記発電電流密度の上昇速度が第2のしきい値以下になった場合に、前記発電電流密度を、前記上昇速度が前記第2のしきい値以下になる前に比較して減少させることによって、前記発電電流密度が前記第1のしきい値以下になるように前記燃料電池の前記発電量を制御することを特徴とする燃料電池システム。 - 燃料電池の氷点下起動時において、発電電流密度が第1のしきい値以下になるように前記燃料電池の発電量を制御する制御ステップを含み、
前記制御ステップは、前記氷点下起動時における前記発電電流密度の上昇速度が第2のしきい値以下になった場合に、前記発電電流密度を、前記上昇速度が前記第2のしきい値以下になる前に比較して減少させることによって、前記発電電流密度が前記第1のしきい値以下になるように前記燃料電池の前記発電量を制御するステップであることを特徴とする燃料電池の起動方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008189089A JP5239577B2 (ja) | 2008-07-22 | 2008-07-22 | 燃料電池システムおよび燃料電池の起動方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008189089A JP5239577B2 (ja) | 2008-07-22 | 2008-07-22 | 燃料電池システムおよび燃料電池の起動方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010027468A JP2010027468A (ja) | 2010-02-04 |
JP5239577B2 true JP5239577B2 (ja) | 2013-07-17 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2008189089A Expired - Fee Related JP5239577B2 (ja) | 2008-07-22 | 2008-07-22 | 燃料電池システムおよび燃料電池の起動方法 |
Country Status (1)
Country | Link |
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JP (1) | JP5239577B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018046993A1 (en) * | 2016-09-08 | 2018-03-15 | Daimler Ag | Below freezing start-up method for fuel cell system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001095109A (ja) * | 1999-09-21 | 2001-04-06 | Toshiba Corp | 電動自転車および電動自転車の駆動方法 |
JP5000073B2 (ja) * | 2003-09-08 | 2012-08-15 | 本田技研工業株式会社 | 燃料電池スタックの氷点下起動方法、燃料電池スタックの氷点下起動システム、および燃料電池スタックの設計方法 |
JP4180552B2 (ja) * | 2004-09-29 | 2008-11-12 | 本田技研工業株式会社 | 燃料電池の起動方法 |
JP4884663B2 (ja) * | 2004-10-01 | 2012-02-29 | 本田技研工業株式会社 | 燃料電池の起動方法 |
JP2006351279A (ja) * | 2005-06-14 | 2006-12-28 | Nissan Motor Co Ltd | 燃料電池起動装置及び燃料電池の起動方法 |
JP2009259481A (ja) * | 2008-04-14 | 2009-11-05 | Toyota Motor Corp | 燃料電池システムおよび燃料電池の運転方法 |
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2008
- 2008-07-22 JP JP2008189089A patent/JP5239577B2/ja not_active Expired - Fee Related
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JP2010027468A (ja) | 2010-02-04 |
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