To provide an operating method for a fuel cell system that can suppress a purge valve from being frozen, and the fuel cell system.SOLUTION: An operation method for a fuel cell system 10 which comprises a fuel cell stack 12, a fuel gas supply passage 40, a circulation passage 45, a purge valve 46a, and a temperature sensor 84, and is mounted on a vehicle 11 includes: a determination process of determining whether a temperature detected by the temperature sensor 84 drops to a predetermined temperature or lower in a state in which the vehicle is stopped from being driven by turning off the ignition of the vehicle; and a purge valve exhaustion processing process of intermittently opening and closing the purge valve 46a a plurality of times while supplying fuel gas through the fuel gas supply passage 40 in the driving stop state if the temperature drops to the predetermined temperature or lower.SELECTED DRAWING: Figure 4
【課題】パージ弁の凍結を抑制可能な燃料電池システムの運転方法、及び燃料電池を提供する。【解決手段】燃料電池スタック12と、燃料ガス供給路40と、循環経路45と、パージ弁46aと、温度センサ84とを備え、車両11に搭載される燃料電池システム10の運転方法は、前記車両のイグニッションオフによる前記車両の駆動停止状態において、温度センサ84が検出した温度が所定温度以下に低下したか否かを判定する判定工程と、前記温度が所定温度以下の場合に、前記駆動停止状態において、前記燃料ガス供給路40を介して燃料ガスを供給しながら、前記パージ弁46aの開閉を複数回間欠的に行うパージ弁掃気処理工程と、を含む。【選択図】図4
OPERATING METHOD FOR FUEL CELL SYSTEM AND FUEL CELL SYSTEM
燃料電池システムの運転方法、及び燃料電池システム
2024-02-28
Patent
Electronic Resource
Japanese
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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