Fuel Cell Hydrogen Consumption Calculator
Fuel cell systems engineering: Calculate electrochemical hydrogen and oxygen consumption rates via Faraday's Law, excess stoichiometric flow ($lambda$), and mission storage requirements.
Stack Electrical & Power Specs
Reactant Stoichiometry & Utilization
1.05–1.3 for recirculating anode
1.8–2.2 cathode blower sizing
Hydrogen & Air Flow Rates
H₂ Consumption Rate:
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kg/hour (consumed)
H₂ Inlet Volumetric Flow:
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NL/min at STP (with λ)
Stack Current:
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Amperes
Air Inlet Flow:
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Nm³/hour
Water Produced:
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kg/h (L/h)
Mission Fuel Storage Requirement
Total H₂ Consumed over Mission:
--
700 bar Type IV Tank Volume:
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350 bar Type III Tank Volume:
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