Fuel cell system using hydrogen supply manifold

A fuel cell system having a hydrogen supply manifold, comprising:

• a stack configured to use air and fuel gas to generate electricity;
• a recirculation line that recirculates a fuel gas, which is partially used by the stack to be exhausted, to an inlet of the stack;
• and
• an ejector unit that is disposed on the recirculation line, supplies fresh fuel gas, and recirculate stack exhaust fuel gas;
• wherein the ejector unit includes:
• a first pressure manifold where a nozzle mounting portion is formed at one side and a supply passage is formed to deliver fuel gas to the nozzle mounting portion;
• a control valve that is disposed on the first pressure manifold to control fuel that is supplied to the stack;
• a nozzle that is engaged with-the nozzle mounting portion to inject fuel gas that is supplied through the supply passage;
• and
• a second pressure manifold that is engaged with the first pressure manifold, formed a chamber to house the nozzle mounting portion and the nozzle, a venturi and a diffuser in a direction that the fuel gas is injected from the nozzle, sucks exhaust gas of the stack, mixes the exhaust gas and the fuel that is injected from the nozzle, and emits the mixed gas through the venturi and the diffuser,
• wherein the nozzle mounting portion is integrally extending in a lower side from a center portion of a lower surface of the first pressure manifold.