KR20080016737A - 연료전지시스템 및 연료전지시스템에서의 연료가스 누출판정방법 - Google Patents
연료전지시스템 및 연료전지시스템에서의 연료가스 누출판정방법 Download PDFInfo
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- 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
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- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
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- H01M8/04753—Pressure; Flow of fuel cell reactants
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- 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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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
Description
Claims (7)
- 연료전지의 연료극측에 형성되어 있는 폐쇄 공간에서의 압력 변화를 검출하고, 상기 압력 변화의 검출결과에 의거하여 소정의 가스 누출 판정값을 참조하여 상기 폐쇄 공간에서의 연료가스 누출의 판정을 행하는 연료전지시스템에서의 연료가스 누출 판정방법에 있어서,상기 연료극에서의 질소의 농도에 따라 연료가스 누출의 판정 레벨을 다르게 하고, 상기 연료가스 누출의 판정을 행하는 것을 특징으로 하는 연료전지시스템에서의 연료가스 누출 판정방법.
- 제 1항에 있어서,상기 질소의 농도에 따라 상기 가스 누출 판정값을 변경함으로써, 상기 연료가스 누출의 판정 레벨을 다르게 하는 것을 특징으로 하는 연료전지시스템에서의 연료가스 누출 판정방법.
- 제 1항 또는 제 2항에 있어서,상기 연료극에서의 질소의 농도를, 연료전지의 전해질막을 투과하여 공기극측으로 누출한 상기 연료가스의 투과량과, 상기 연료전지가 정지하고 나서 재기동되기까지의 방치시간 중 적어도 어느 한쪽에 의거하여 추정하는 것을 특징으로 하는 연료전지시스템에서의 연료가스 누출 판정방법.
- 제 1항 또는 제 2항에 있어서,상기 연료극에서의 질소의 농도를, 운전 정지시에서의 연료전지 스택의 온도와, 연료전지의 재기동시에 있어서의 상기 연료극의 압력과, 상기 연료전지가 정지하고 나서 재기동되기까지의 방치시간에 의거하여 추정하는 것을 특징으로 하는 연료전지시스템에서의 연료가스 누출 판정방법.
- 연료가스의 공급을 받아 발전하는 연료전지와, 상기 연료전지에 연료가스를 급배하는 연료가스계와, 상기 연료가스계에 설치되어 있는 조압밸브와, 상기 연료가스계에 형성되는 폐쇄 공간에서의 압력을 검출하는 압력센서와, 상기 연료가스계에 형성되는 폐쇄 공간에서의 가스 누출을 판정하는 가스 누출 판정부를 구비한 연료전지시스템에 있어서,상기 가스 누출 판정부는, 상기 압력센서에 의하여 검출된 상기 폐쇄 공간에서의 압력의 변화에 의거하여 가스 누출 판정값을 참조하여 가스 누출을 판정하는 것이고, 상기 연료극에서의 질소의 농도에 따라 상기 가스 누출의 판정 레벨을 다르게 하여 상기 연료가스 누출의 판정을 행하는 것임을 특징으로 하는 연료전지시스템.
- 제 5항에 있어서,상기 가스 누출 판정부는, 상기 질소의 농도에 따라 상기 가스 누출 판정값 의 변경을 행함으로써, 상기 연료가스 누출의 판정 레벨을 다르게 하는 것을 특징으로 하는 연료전지시스템.
- 제 5항 또는 제 6항에 있어서,연료전지 스택의 온도를 검출하는 스택 온도 검출수단과, 상기 연료극의 압력을 검출하는 연료극 압력 검출수단과, 상기 방치시간을 계측하는 방치시간 계측수단을 구비하고,상기 연료극에서의 질소의 농도를, 운전 정지시에 있어서의 연료전지 스택의 온도와, 연료전지의 재기동시에 있어서의 상기 연료극의 압력과, 상기 연료전지가 정지하고 나서 재기동되기까지의 방치시간에 의거하여 추정하는 것을 특징으로 하는 연료전지시스템.
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Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2005-00231368 | 2005-08-09 | ||
JP2005231368A JP5196209B2 (ja) | 2005-08-09 | 2005-08-09 | 燃料電池システム、および燃料電池システムにおける燃料ガス漏れ判定方法 |
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KR20080016737A true KR20080016737A (ko) | 2008-02-21 |
KR100974050B1 KR100974050B1 (ko) | 2010-08-04 |
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KR1020087000739A KR100974050B1 (ko) | 2005-08-09 | 2006-07-28 | 연료전지시스템 및 연료전지시스템에서의 연료가스 누출판정방법 |
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US (1) | US7829233B2 (ko) |
JP (1) | JP5196209B2 (ko) |
KR (1) | KR100974050B1 (ko) |
CN (1) | CN100546087C (ko) |
DE (1) | DE112006002060B4 (ko) |
WO (1) | WO2007018132A1 (ko) |
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DE102006059030A1 (de) * | 2006-12-14 | 2008-06-19 | Daimler Ag | Leckageprüfung in einem Brennstoffzellensystem |
WO2010120309A1 (en) * | 2009-04-17 | 2010-10-21 | Utc Power Corporation | Fuel cell stack gas leak detection |
DE112009005091B8 (de) * | 2009-07-21 | 2015-09-17 | Toyota Jidosha Kabushiki Kaisha | Brennstoffsystem und Fahrzeug |
DE102009057130A1 (de) | 2009-12-08 | 2011-06-09 | Heinrich-Heine-Universität Düsseldorf | Verfahren zur Analyse der Zusammensetzung von Gasgemischen |
US8387441B2 (en) * | 2009-12-11 | 2013-03-05 | GM Global Technology Operations LLC | Injector flow measurement for fuel cell applications |
US8507141B2 (en) * | 2010-08-25 | 2013-08-13 | GM Global Technology Operations LLC | Membrane permeation adjustment in PEM fuel cell |
JP5470234B2 (ja) * | 2010-12-21 | 2014-04-16 | 本田技研工業株式会社 | 燃料電池のクロスリーク判定方法と燃料電池システム |
JP5141835B1 (ja) * | 2011-07-11 | 2013-02-13 | トヨタ自動車株式会社 | 作動ガス循環型ガスエンジンの気密異常検出方法及び同方法を使用する作動ガス循環型ガスエンジン |
EP2870651B1 (en) * | 2012-07-05 | 2016-04-27 | Convion Oy | Method and arrangement for determination of leakage levels in fuel cell system |
JP6079749B2 (ja) * | 2014-11-13 | 2017-02-15 | トヨタ自動車株式会社 | 燃料電池システムおよび水素ガス漏れ検出方法 |
JP6137128B2 (ja) * | 2014-11-13 | 2017-05-31 | トヨタ自動車株式会社 | 燃料電池の反応ガスの漏洩を検出する方法および燃料電池システム |
JP6389440B2 (ja) * | 2015-03-13 | 2018-09-12 | 株式会社神戸製鋼所 | ガス供給システムおよびそれを備えた水素ステーション、蓄圧器の寿命判定方法、並びにガス供給システムの使用方法 |
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JP6834867B2 (ja) * | 2017-09-13 | 2021-02-24 | トヨタ自動車株式会社 | 燃料電池システムおよび燃料電池システムの異常診断方法 |
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JP3846354B2 (ja) * | 2002-04-16 | 2006-11-15 | 日産自動車株式会社 | 燃料電池システムのガス漏れ検知方法及び装置 |
JP3864875B2 (ja) * | 2002-09-02 | 2007-01-10 | 日産自動車株式会社 | 供給開閉弁の故障診断システム |
JP4238572B2 (ja) | 2002-12-10 | 2009-03-18 | トヨタ自動車株式会社 | 燃料改質装置及び燃料電池システム |
JP2004319332A (ja) * | 2003-04-17 | 2004-11-11 | Nissan Motor Co Ltd | 燃料電池システム |
JP4929556B2 (ja) * | 2003-05-14 | 2012-05-09 | トヨタ自動車株式会社 | 燃料電池システムの運転制御 |
JP4876369B2 (ja) | 2003-06-19 | 2012-02-15 | トヨタ自動車株式会社 | 燃料電池システムおよびガス漏洩検知方法 |
JP4617675B2 (ja) * | 2004-01-13 | 2011-01-26 | トヨタ自動車株式会社 | 燃料電池システム |
JP2006185886A (ja) * | 2004-12-01 | 2006-07-13 | Toyota Motor Corp | 異常判定装置 |
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2005
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2006
- 2006-07-28 US US11/920,701 patent/US7829233B2/en active Active
- 2006-07-28 WO PCT/JP2006/315449 patent/WO2007018132A1/ja active Application Filing
- 2006-07-28 KR KR1020087000739A patent/KR100974050B1/ko active IP Right Grant
- 2006-07-28 CN CNB2006800070629A patent/CN100546087C/zh not_active Expired - Fee Related
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DE112006002060B4 (de) | 2012-04-12 |
KR100974050B1 (ko) | 2010-08-04 |
US20090047553A1 (en) | 2009-02-19 |
CN101133509A (zh) | 2008-02-27 |
DE112006002060T5 (de) | 2008-05-29 |
JP2007048577A (ja) | 2007-02-22 |
JP5196209B2 (ja) | 2013-05-15 |
US7829233B2 (en) | 2010-11-09 |
CN100546087C (zh) | 2009-09-30 |
WO2007018132A1 (ja) | 2007-02-15 |
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