FUEL CELL SYSTEM
To provide a fuel cell system which can stabilize electric power outputted to the outside.SOLUTION: A fuel cell system 1 comprises: a fuel cell 10 which has an electrode structure provided with an anode electrode and a cathode electrode, and which generates electric power by liquid fuel supplied to...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To provide a fuel cell system which can stabilize electric power outputted to the outside.SOLUTION: A fuel cell system 1 comprises: a fuel cell 10 which has an electrode structure provided with an anode electrode and a cathode electrode, and which generates electric power by liquid fuel supplied to the anode electrode and an oxidant supplied to the cathode electrode; a capacitor 30 which recovers, by charging, part of the electric power outputted from the fuel cell 10, and which can discharge the electric power thus charged; and a control device 20 which controls the operations of the fuel cell 10 and the capacitor 30. When the supply of the liquid fuel to the fuel cell 10 is stopped, based on the control of the control device 20, the capacitor 30 recovers, by charging, after-stop electric power generated by the fuel cell 10 with the use of the liquid fuel which has already been supplied, and the fuel cell 10 stops an electrode reaction in the electrode structure after the after-stop electric power has been recovered by the capacitor 30.SELECTED DRAWING: Figure 1
【課題】外部に出力される電力の安定化が可能な燃料電池システムを提供すること。【解決手段】燃料電池システム1は、アノード電極及びカソード電極を有する電極構造体を有し、アノード電極に液体燃料が供給され且つカソード電極に酸化剤が供給されて電力を発電する燃料電池10と、燃料電池10から出力される電力の一部を充電することによって回収すると共に充電した電力を放電可能なキャパシタ30と、燃料電池10及びキャパシタ30の作動を制御する制御装置20と、を備え、制御装置20の制御により、燃料電池10への液体燃料の供給が停止された状態において、キャパシタ30は、燃料電池10が既に供給された液体燃料を用いて発電した停止後電力を充電して回収し、燃料電池10は、キャパシタ30によって停止後電力が回収された後に電極構造体における電極反応が停止される。【選択図】図1 |
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