| 摘要 |
The present invention provides a hydrogen discharge system for a fuel cell system, which can ensure safety of a fuel cell vehicle by optimizing the dilution of hydrogen discharged from a fuel cell during discharge and ensure silence of the vehicle by reducing noise generated during discharge. For this purpose, the present invention provides a hydrogen discharge system for a fuel cell system including a purge valve for purging hydrogen discharged from a fuel electrode of a fuel cell stack, the hydrogen discharge system including: an ejector mounted to a hydrogen purge line extending from the purge valve to introduce air from the outside; and a post-treatment system connected to an exhaust line of the ejector to remove hydrogen discharged therethrough.
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