JP7152373B2 - 燃料電池システムの低温起動方法及び燃料電池システム - Google Patents
燃料電池システムの低温起動方法及び燃料電池システム Download PDFInfo
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- H01M8/04268—Heating of fuel cells during the start-up of the fuel cells
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- 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
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- 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
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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
- H01M8/0432—Temperature; Ambient temperature
- H01M8/04373—Temperature; Ambient temperature of auxiliary devices, e.g. reformers, compressors, burners
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- 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
- H01M8/04492—Humidity; Ambient humidity; Water content
- H01M8/04514—Humidity; Ambient humidity; Water content of anode exhausts
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- 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
- H01M8/04492—Humidity; Ambient humidity; Water content
- H01M8/04522—Humidity; Ambient humidity; Water content of cathode exhausts
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- H—ELECTRICITY
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- 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
- H01M8/04701—Temperature
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- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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Description
PG=(1-A)×f …(1)
I=Σ(SW-AW) …(2)
14…燃料電池スタック 16…アノード系装置
22…制御部 48…冷媒排出管
49…冷媒出口温度センサ 55…アノード循環回路
62…アノード出口温度センサ 72…パージ弁
74…オリフィス Cth…凍結温度閾値
Dth…解凍温度閾値 Ith…氷粒量閾値
Claims (8)
- 燃料電池スタックと、
前記燃料電池スタックとの間でアノードガスを循環させるアノード系装置と、
前記アノード系装置のアノード循環回路に接続されるパージ管と、
前記パージ管に設けられ、前記燃料電池スタックから排出されるアノードオフガスを流通させるオリフィスを有するパージ弁とを備える燃料電池システムの低温起動方法であって、
前記燃料電池システムの温度を温度センサにより検出し、
予め設定された凍結温度閾値と、検出した前記温度とを制御部により比較し、前記温度が前記凍結温度閾値以下の場合に前記パージ弁を常時開状態とする低温制御を行い、前記温度が前記凍結温度閾値を上回る場合に前記パージ弁の開閉を切り替える通常制御を行う
燃料電池システムの低温起動方法。 - 請求項1記載の燃料電池システムの低温起動方法において、
前記低温制御時に、前記制御部により前記アノードオフガスに生じた氷粒により前記オリフィスに蓄積される氷粒量を算出し、前記氷粒量に基づき当該パージ弁の閉塞進行状態又は閉塞確定状態を判定する
燃料電池システムの低温起動方法。 - 請求項2記載の燃料電池システムの低温起動方法において、
前記閉塞確定状態の場合に、予め設定された解凍温度閾値と前記燃料電池システムの前記温度とを前記制御部により比較し、前記温度が前記解凍温度閾値よりも低い場合に前記パージ弁の常時開状態を維持し、前記温度が前記解凍温度閾値以上の場合に前記通常制御に移行する
燃料電池システムの低温起動方法。 - 請求項2又は3記載の燃料電池システムの低温起動方法において、
前記氷粒量は、前記オリフィスを通過する飽和水蒸気量の積算に基づいて算出する
燃料電池システムの低温起動方法。 - 請求項4記載の燃料電池システムの低温起動方法において、
前記燃料電池システムは、前記温度センサとして、前記燃料電池スタックから冷媒を排出する冷媒排出管に冷媒出口温度センサを備えると共に、前記燃料電池スタックから前記アノードオフガスを排出するアノード排出管にアノード出口温度センサを備え、
前記飽和水蒸気量の積算は、前記冷媒出口温度センサが検出する冷媒出口温度と前記アノード出口温度センサが検出するアノード出口温度の差に基づいて行う
燃料電池システムの低温起動方法。 - 請求項5記載の燃料電池システムの低温起動方法において、
前記飽和水蒸気量の積算は、前記冷媒出口温度と前記パージ弁のパージガス量とに基づき算出したスタック飽和水蒸気量、及び前記アノード出口温度と前記パージガス量とに基づき算出したアノード飽和水蒸気量を用いて算出し、
前記パージガス量は、前記オリフィスの閉塞率に基づき算出する
燃料電池システムの低温起動方法。 - 請求項5又は6記載の燃料電池システムの低温起動方法において、
前記制御部は、前記アノード出口温度と前記凍結温度閾値とを比較して前記低温制御又は前記通常制御の実施を判定する
燃料電池システムの低温起動方法。 - 燃料電池スタックと、
前記燃料電池スタックとの間でアノードガスを循環させるアノード系装置と、
前記アノード系装置のアノード循環回路に接続されるパージ管と、
前記パージ管に設けられ、前記燃料電池スタックから排出されるアノードオフガスを流通させるオリフィスを有するパージ弁と、
前記パージ弁の開閉を制御する制御部とを備える燃料電池システムであって、
前記燃料電池システムの温度を検出する温度センサを有し、
前記制御部は、前記燃料電池システムの起動時に、予め設定された凍結温度閾値と、検出した前記温度とを比較し、前記温度が前記凍結温度閾値以下の場合に前記パージ弁を常時開状態とする低温制御を行い、前記温度が前記凍結温度閾値を上回る場合に前記パージ弁の開閉を切り替える通常制御を行う
燃料電池システム。
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JP2019171757A JP7152373B2 (ja) | 2019-09-20 | 2019-09-20 | 燃料電池システムの低温起動方法及び燃料電池システム |
US17/023,984 US11563223B2 (en) | 2019-09-20 | 2020-09-17 | Method of starting operation of fuel cell system at low temperature, and the fuel cell system |
CN202010982862.4A CN112542597A (zh) | 2019-09-20 | 2020-09-18 | 燃料电池系统的低温起动方法以及燃料电池系统 |
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JP2009076261A (ja) | 2007-09-19 | 2009-04-09 | Honda Motor Co Ltd | 燃料電池システム及びその起動方法 |
JP2011048948A (ja) | 2009-08-25 | 2011-03-10 | Honda Motor Co Ltd | 燃料電池システム |
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JP5003073B2 (ja) | 2006-09-21 | 2012-08-15 | トヨタ自動車株式会社 | 燃料電池システム |
JP5469047B2 (ja) * | 2010-01-14 | 2014-04-09 | 本田技研工業株式会社 | 燃料電池装置 |
JP5939312B2 (ja) * | 2013-01-09 | 2016-06-22 | 日産自動車株式会社 | 燃料電池システム及びその制御方法 |
WO2015133200A1 (ja) * | 2014-03-07 | 2015-09-11 | 日産自動車株式会社 | 流体制御弁 |
JP6380258B2 (ja) * | 2015-06-26 | 2018-08-29 | トヨタ自動車株式会社 | 燃料電池システム |
JP6610591B2 (ja) * | 2017-03-22 | 2019-11-27 | トヨタ自動車株式会社 | 燃料電池システムおよび残水掃気制御方法 |
US10497952B2 (en) * | 2017-09-12 | 2019-12-03 | Ford Global Technologies, Llc | Vehicle fuel cell purging system |
US10562408B2 (en) * | 2017-09-20 | 2020-02-18 | Ford Motor Company | Anode exhaust reservoir assembly |
JP6596057B2 (ja) * | 2017-11-27 | 2019-10-23 | 本田技研工業株式会社 | 流量調整構造体及び流量調整方法 |
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JP2009076261A (ja) | 2007-09-19 | 2009-04-09 | Honda Motor Co Ltd | 燃料電池システム及びその起動方法 |
JP2011048948A (ja) | 2009-08-25 | 2011-03-10 | Honda Motor Co Ltd | 燃料電池システム |
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US20210091394A1 (en) | 2021-03-25 |
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