Exergy assessment and optimization of a cogeneration system based on a solid oxide fuel cell integrated with a Stirling engine

•A novel cogeneration system driven by a SOFC and Stirling engine is proposed.•Energy and exergy assessments are reported of a novel cogeneration system.•The energy efficiency of the combined system can be achieved 75.88%.•The highest exergy destruction occurs in the air heat exchanger. A cogenerati...

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