Fuel cell system
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United States of America Patent
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Nov 29, 2022
Grant Date -
Nov 25, 2021
app pub date -
Mar 29, 2021
filing date -
May 19, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A fuel cell system includes a fuel cell stack, a reaction gas supply portion, and a control unit. The control unit performs two stages of purging that are a first purging and a second purging in which the flow rate of the reaction gas is smaller than the flow rate of the reaction gas of the first purging, and provides a purging standby time between the first purging and the second purging, and in a case in which an operation mode of the fuel cell stack when power generation of the fuel cell stack is stopped is a high output mode in which an output is higher than the output of a normal mode, the control unit makes a purging time longer than the purging time of the first purging that is performed in the normal mode.
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