JP7393450B2 - 再生型燃料電池システム - Google Patents
再生型燃料電池システム Download PDFInfo
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- C25B9/23—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
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- H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the reactants
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- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
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- H01M8/04291—Arrangements for managing water in solid electrolyte fuel cell systems
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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
- H01M8/0438—Pressure; Ambient pressure; Flow
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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
- H01M8/04313—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
- H01M8/0438—Pressure; Ambient pressure; Flow
- H01M8/04388—Pressure; Ambient pressure; Flow of anode reactants at the inlet or inside the fuel cell
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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
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
- H01M8/184—Regeneration by electrochemical means
- H01M8/186—Regeneration by electrochemical means by electrolytic decomposition of the electrolytic solution or the formed water product
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- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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- H01M2008/1095—Fuel cells with polymeric electrolytes
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Description
14…昇圧装置 16…供給機構
18…制御装置 22…水電解装置
24…水素昇圧装置 30、64、68、74…気液分離機
36…酸素供給機構 38…水素供給機構
40…ガス供給路 42…タンク
44…バイパス路 46…第1開閉弁
48…第2開閉弁 50…第1減圧弁
52…第2減圧弁 54…第1逆止弁
56…第2逆止弁 58…背圧弁
60…流量調整弁 62…圧力センサ
Claims (6)
- 酸素ガスと水素ガスとの電気化学反応により発電を行う燃料電池を有する再生型燃料電池システムであって、
昇圧された前記酸素ガスおよび昇圧された前記水素ガスのいずれか一方のガスを生成する昇圧装置と、前記燃料電池に前記ガスを供給するための供給機構と、制御装置と、を備え、
前記供給機構は、
前記ガスを、前記昇圧装置から前記燃料電池に供給するガス供給路と、
前記ガス供給路に設けられる流量調整弁と、
前記ガス供給路に供給される前記ガスの圧力を検出する圧力センサと、
を備え、
前記制御装置は、前記昇圧装置による昇圧停止動作が開始された場合には、前記圧力に基づいて単位時間あたりの減圧速度を計測し、前記減圧速度と目標減圧速度との差分が小さくなるように前記流量調整弁の流量を設定し、設定した前記流量に応じた電力を前記燃料電池に発生させる、再生型燃料電池システム。 - 請求項1に記載の再生型燃料電池システムであって、
水の分解により昇圧された前記酸素ガスを生成する前記昇圧装置である水電解装置と、
前記水電解装置で生成された前記酸素ガスを供給するための前記供給機構である酸素供給機構と、
を備え、
前記水電解装置は、アノード電極とカソード電極とに電解質膜が挟持される膜電極接合体を有し、前記カソード電極に前記水素ガスを生成し、前記水素ガスよりも圧力が高い前記酸素ガスを前記アノード電極に生成する、再生型燃料電池システム。 - 請求項2に記載の再生型燃料電池システムであって、
前記水電解装置によって生成される前記水素ガスを昇圧する前記昇圧装置である水素昇圧装置と、
前記水素昇圧装置で生成された前記水素ガスを供給するための前記供給機構である水素供給機構と、
を備える、再生型燃料電池システム。 - 請求項1~3のいずれか1項に記載の再生型燃料電池システムであって、
前記供給機構は、
前記ガス供給路上に設けられ、前記昇圧装置により昇圧された前記ガスが貯留されるタンクと、
前記昇圧装置と前記タンクとの間の前記ガス供給路から分岐し、前記タンクと前記燃料電池との間の前記ガス供給路に合流するバイパス路と、
前記バイパス路に設けられる第1開閉弁と、
前記バイパス路が前記ガス供給路に合流する合流部分と前記タンクとの間の前記ガス供給路に設けられる第2開閉弁と、
を備え、
前記流量調整弁は、前記合流部分と前記燃料電池との間の前記ガス供給路に設けられ、
前記制御装置は、前記昇圧装置による昇圧動作が実行されている場合には、前記第1開閉弁および前記第2開閉弁を閉じて、前記昇圧装置から前記タンクに前記ガスを供給し、
前記昇圧停止動作が開始された後に、前記第1開閉弁を開けて、前記昇圧装置から前記燃料電池に前記ガスを供給する、再生型燃料電池システム。 - 請求項4に記載の再生型燃料電池システムであって、
前記バイパス路が前記ガス供給路から分岐する分岐部分と前記タンクとの間の前記ガス供給路に設けられ、前記ガスに含まれる水蒸気を分離する気液分離機を備える、再生型燃料電池システム。 - 請求項3に従属する請求項4、または、請求項5に記載の再生型燃料電池システムであって、
前記制御装置は、前記酸素供給機構と、前記水素供給機構とのうち、前記昇圧停止動作によって減圧される前記ガスの前記圧力が所定の圧力閾値に達するタイミングが速い前記供給機構の前記第2開閉弁を開け、前記タイミングが遅い前記供給機構の前記圧力が前記圧力閾値に達すると、前記タイミングが遅い前記供給機構の前記第2開閉弁を開ける、再生型燃料電池システム。
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JP2022020130A JP7393450B2 (ja) | 2022-02-14 | 2022-02-14 | 再生型燃料電池システム |
US18/107,621 US20230261231A1 (en) | 2022-02-14 | 2023-02-09 | Regenerative fuel cell system |
CN202310168588.0A CN116598534A (zh) | 2022-02-14 | 2023-02-14 | 再生型燃料电池系统 |
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JP2022020130A JP7393450B2 (ja) | 2022-02-14 | 2022-02-14 | 再生型燃料電池システム |
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JP7393450B2 true JP7393450B2 (ja) | 2023-12-06 |
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JP (1) | JP7393450B2 (ja) |
CN (1) | CN116598534A (ja) |
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JP7460718B1 (ja) | 2022-09-26 | 2024-04-02 | 本田技研工業株式会社 | 燃料電池システム |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011149074A (ja) | 2010-01-25 | 2011-08-04 | Honda Motor Co Ltd | 水電解システムの運転方法 |
JP2013060625A (ja) | 2011-09-13 | 2013-04-04 | Honda Motor Co Ltd | 水電解システム及びその運転停止方法 |
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- 2022-02-14 JP JP2022020130A patent/JP7393450B2/ja active Active
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2023
- 2023-02-09 US US18/107,621 patent/US20230261231A1/en active Pending
- 2023-02-14 CN CN202310168588.0A patent/CN116598534A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011149074A (ja) | 2010-01-25 | 2011-08-04 | Honda Motor Co Ltd | 水電解システムの運転方法 |
JP2013060625A (ja) | 2011-09-13 | 2013-04-04 | Honda Motor Co Ltd | 水電解システム及びその運転停止方法 |
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US20230261231A1 (en) | 2023-08-17 |
JP2023117525A (ja) | 2023-08-24 |
CN116598534A (zh) | 2023-08-15 |
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