Fuel Cell Power

Proton-exchange-membrane (PEM) or solid-oxide (SOFC) fuel cells convert H₂, NH₃ or methanol into electricity electrochemically. Higher efficiency than combustion engines but CAPEX-heavy; increasingly used as aux-auxiliary or zero-emission at-berth power.

DesignFuel cell

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

F = \frac{P \cdot h}{\eta_\text{FC} \cdot \text{LCV}}

Symbol	Meaning	Unit
$F$	Fuel consumed over the period	t
$P$	Average electrical output	kW
$h$	Running hours	h
$\eta_\text{FC}$	Fuel cell electrical efficiency	fraction
$\text{LCV}$	Lower calorific value of the fuel	MJ / kg

Source: DNV - *Fuel Cell Systems in Maritime Applications*; Ballard Power Systems - FCwave marine fuel cell; IMO MSC.485(101) - Interim Guidelines for the Safety of Ships Using Fuel Cell Power Installations

In short

Electric energy, fuel consumption and CO₂ from a PEM or SOFC fuel cell running hydrogen, ammonia or methanol.

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