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High efficiency fuel cell designs require high temperature heat exchangers to achieve peak performance. Two of the most frequently applied processes are Molten Carbonate Fuel Cell and Solid Oxide Fuel Cell. These methods are both highly efficient but given the resulting extreme temperatures, heat recovery becomes challenging. Flex Energy Solutions provides custom heat exchanger solutions that are tailored to accommodate any system. Customization allows for a very compact design that minimizes piping complexities and enables the smallest of packages without compromising reliability or efficiency. Other high temperature hydrogen and fuel cell based processes can benefit from this technology as well.

SOLID OXIDE FUEL CELL (SOFC)

MOLTEN CARBONATE FUEL CELL (MCFC)

Energy recovered from the exhaust stream is a direct performance increase to the system. Given the extreme temperatures involved it is very important the correct design and materials are chosen for a reliable long lasting efficient and compact solution. This increases the overall efficiency of the system by 15-20 points which makes it one of the most efficient scaleable ways to produce energy.

1. EXHAUST TO AIR HEAT RECOVERY (750-900° C) – Recovering exhaust heat into intake air prior to combustion that reduces fuel consumption.
2. EXHAUST TO FUEL (700-850° C) – Recovering exhaust heat to preheat fuel prior to combustion that reduces fuel consumption.

PLATE FIN HEAT EXCHANGERS