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Thermoeconomic analysis of two solid oxide fuel cell based cogeneration plants integrated with simple or modified supercritical CO2 Brayton cycles: A comparative study

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  • Sadeghi, Mohsen
  • Seyed Mahmoudi, Seyed Mohammad
  • Rosen, Marc A.

Abstract

Two supercritical CO2 (sCO2) Brayton cycles for waste heat recovery in a solid oxide fuel cell (SOFC)-based plant are assessed and compared from thermodynamic and economic perspectives. One cycle considered is a simple sCO2 cycle with recuperation, while the other is the supercritical recompression CO2 (srCO2) cycle. To provide a fair comparison between the performances of the SOFC-sCO2 integrated plants, the flue gas is considered to exit at the same temperature in both cases, through a heating unit to generate hot air.

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  • Sadeghi, Mohsen & Seyed Mahmoudi, Seyed Mohammad & Rosen, Marc A., 2022. "Thermoeconomic analysis of two solid oxide fuel cell based cogeneration plants integrated with simple or modified supercritical CO2 Brayton cycles: A comparative study," Energy, Elsevier, vol. 259(C).
    • Handle: RePEc:eee:energy:v:259:y:2022:i:c:s036054422201934x
    DOI: 10.1016/j.energy.2022.125038
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    1. Zhao, Bingtao & Yao, Jiacheng & Su, Yaxin, 2023. "Performance response to operating-load fluctuations for Sub-megawatt-scale recuperated supercritical CO2 Brayton cycles: Characteristics and improvement," Renewable Energy, Elsevier, vol. 206(C), pages 686-693.

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