JP7363674B2 - 燃料電池システム - Google Patents
燃料電池システム Download PDFInfo
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- 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
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- H01M8/0432—Temperature; Ambient temperature
- H01M8/04365—Temperature; Ambient temperature of other components of a fuel cell or fuel cell stacks
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- 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
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- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
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- 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
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- H01M8/04925—Power, energy, capacity or load
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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
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- 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
図1は、車両に搭載される本発明の第1実施形態による燃料電池システム100の概略構成図である。
アノード電極 : 2H2→4H++4e- …(1)
カソード電極 : 4H++4e-+O2 →2H2O …(2)
次に、本発明の第2実施形態について説明する。本実施形態は、急速暖機運転の開始時に第1低効率発電を実施するか、又は第1低効率発電を実施せずに第2低効率発電を実施するかを判断するための基準温度Tfcを可変値とした点で、第1実施形態と相違する。以下、その相違点を中心に説明する。
100 燃料電池システム
200 電子制御ユニット(制御装置)
Claims (5)
- 燃料ガスと酸化剤ガスとの電気化学反応により電力を発生する燃料電池と、
制御装置と、
を備える燃料電池システムであって、
前記制御装置は、
通常発電と比べて発電損失の大きい低効率発電を実施する低効率発電実施部を備え、
前記低効率発電実施部は、
前記燃料電池の発電開始時における前記燃料電池の温度が基準温度未満のときは、前記発電損失に伴う前記燃料電池の発熱量が第1発熱量となるように前記燃料電池を発電させ、
前記発熱量が前記第1発熱量となるように前記燃料電池を発電させている期間の電流積算値が所定積算値以上になったときは、前記発熱量が前記第1発熱量よりも大きい第2発熱量となるように前記燃料電池を発電させるように構成され、
前記基準温度は、前記燃料電池の温度が前記基準温度未満になると、前記燃料電池の温度が前記基準温度以上のときと比べて、電解質膜の水分量が所定量よりも少ない過乾燥状態の前記燃料電池の抵抗値の増加がより顕著となる温度である、
燃料電池システム。 - 燃料ガスと酸化剤ガスとの電気化学反応により電力を発生する燃料電池と、
制御装置と、
を備える燃料電池システムであって、
前記制御装置は、
通常発電と比べて発電損失の大きい低効率発電を実施する低効率発電実施部を備え、
前記低効率発電実施部は、
前記燃料電池の発電開始時における前記燃料電池の温度が基準温度未満のときは、前記発電損失に伴う前記燃料電池の発熱量が第1発熱量となるように前記燃料電池を発電させ、
前記発熱量が前記第1発熱量となるように前記燃料電池を発電させている期間の電流積算値が所定積算値以上になったときは、前記発熱量が前記第1発熱量よりも大きい第2発熱量となるように前記燃料電池を発電させるように構成され、
前記制御装置は、
前記燃料電池の掃気モードを、第1掃気モード又は第2掃気モードに切り替える掃気モード切替部をさらに備え、
前記第1掃気モードは、前記燃料電池システムの停止期間中において、前記燃料電池の温度が氷点下以下になったときに限り、前記燃料電池を発電させずに前記燃料電池内の掃気を実施する掃気モードであり、
前記第2掃気モードは、前記燃料電池システムの停止時に前記燃料電池を発電させた状態で前記燃料電池内の掃気を実施する掃気モードであり、
前記低効率発電実施部は、
前記燃料電池の掃気モードが前記第2掃気モードのときは、前記第1掃気モードの場合に前記燃料電池内の掃気が実施されたときと比較して、前記基準温度を低くするように構成される、
燃料電池システム。 - 前記低効率発電実施部は、
前記掃気モードが前記第1掃気モードの場合に前記燃料電池内の掃気が実施されたときは、前記基準温度を所定の第1温度に設定し、
前記掃気モードが前記第2掃気モードのときは、前記基準温度を前記第1温度よりも低い所定の第2温度に設定するように構成され、
前記第1温度は、前記燃料電池の温度が前記第1温度未満になると、前記燃料電池の温度が前記第1温度以上のときと比べて、電解質膜の水分量が所定量よりも少ない過乾燥状態の前記燃料電池の抵抗値の増加がより顕著となる温度であり、
前記第2温度は、前記燃料電池の温度が前記第2温度未満になると、前記燃料電池の温度が前記第2温度以上のときと比べて、電解質膜の水分量が前記所定量よりも多い湿潤状態の前記燃料電池の抵抗値の増加がより顕著となる温度である、
請求項2に記載の燃料電池システム。 - 前記所定積算値は、前記燃料電池の発電に伴って生じる、前記燃料電池の発電開始時からの生成水の量が、所定量以上となる値である、
請求項1から請求項3までのいずれか1項に記載の燃料電池システム。 - 前記所定積算値は、100[C]から400[C]までの範囲の中から選択された任意の値である、
請求項1から請求項4までのいずれか1項に記載の燃料電池システム。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020094364A JP7363674B2 (ja) | 2020-05-29 | 2020-05-29 | 燃料電池システム |
| US17/233,869 US11695136B2 (en) | 2020-05-29 | 2021-04-19 | Fuel cell system and control method for fuel cell system |
| DE102021109882.3A DE102021109882A1 (de) | 2020-05-29 | 2021-04-20 | Brennstoffzellensystem |
| CN202110583158.6A CN113745594B (zh) | 2020-05-29 | 2021-05-27 | 燃料电池系统 |
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| JP2020094364A JP7363674B2 (ja) | 2020-05-29 | 2020-05-29 | 燃料電池システム |
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| JP2021190299A JP2021190299A (ja) | 2021-12-13 |
| JP7363674B2 true JP7363674B2 (ja) | 2023-10-18 |
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| DE (1) | DE102021109882A1 (ja) |
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| DE102022101757A1 (de) | 2022-01-26 | 2023-07-27 | MTU Aero Engines AG | Brennstoffzellenvorrichtung, Verdichtereinrichtung, Steuereinrichtung und Verfahren zum Betreiben einer Steuereinrichtung |
| CN116908240A (zh) * | 2023-07-06 | 2023-10-20 | 浙江省计量科学研究院 | 一种基于燃料电池的热值测量装置及方法 |
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| JP3157420B2 (ja) | 1995-06-21 | 2001-04-16 | シャープ株式会社 | 現像剤及びその現像剤の製造方法 |
| JP2004311277A (ja) | 2003-04-09 | 2004-11-04 | Toyota Motor Corp | 燃料電池システム |
| JP5001540B2 (ja) * | 2005-08-31 | 2012-08-15 | 本田技研工業株式会社 | 燃料電池システムおよびその運転方法 |
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- 2021-04-20 DE DE102021109882.3A patent/DE102021109882A1/de active Pending
- 2021-05-27 CN CN202110583158.6A patent/CN113745594B/zh active Active
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| CN113745594A (zh) | 2021-12-03 |
| DE102021109882A1 (de) | 2021-12-02 |
| US11695136B2 (en) | 2023-07-04 |
| JP2021190299A (ja) | 2021-12-13 |
| CN113745594B (zh) | 2024-06-25 |
| US20210376347A1 (en) | 2021-12-02 |
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