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Molten carbonate


Technology Description

Molten Carbonate Fuel Cells (MCFC) operate at very high temperature (600-700 degrees Celsius). They have medium sensitivity to impurities and are flexible with regards to fuel choice. MCFC are very costly (compared to other fuel cell technologies for maritime applications). They can have large modules (up to 500 kW of power) and have a good lifetime. Their typical efficiency is around 50%, which can be optimised to 85% with heat recovery,
Due to limited power output, this technology is likely to be used preferably for small and medium vessels, as currently proved by the ongoing demonstrations.

Relevance for Net Zero

Fuel cells have limited better energy efficiency than internal combustion maritime engines and do not emit pollutants.
Molten Carbonate Fuel Cells (MCFC) have high efficiency, high flexibility and large size, potentially making them an option to power oceangoing vessels.
Their limited power density is challenging for long-distance routes, making this technology more suited to short- and medium-distance vessels.

Key Countries

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