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Numerical investigation of a MCFC (Molten Carbonate Fuel Cell) system hybridized with a supercritical CO2 Brayton cycle and compared with a bottoming Organic Rankine Cycle

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  • Baronci, Andrea
  • Messina, Giuseppe
  • McPhail, Stephen J.
  • Moreno, Angelo

Abstract

The investigation has the aim to study the integration of a molten carbonate fuel cell and a Brayton cycle, that uses supercritical carbon dioxide (S–CO2) as working fluid. The coupling turns out to be feasible achieving 56.25% electrical efficiency at the beginning of cell life, and counteracts the degradation of the MCFC (Molten Carbonate Fuel Cell) over time by converting the extra heat to electricity. The proposed system has been compared with a more conventional system based on the integration of a MCFC system with an ORC (Organic Rankine Cycle) turbine. The boost in electrical efficiency obtained with a Brayton cycle is twice that of a recovery system based on an ORC cycle.

Suggested Citation

  • Baronci, Andrea & Messina, Giuseppe & McPhail, Stephen J. & Moreno, Angelo, 2015. "Numerical investigation of a MCFC (Molten Carbonate Fuel Cell) system hybridized with a supercritical CO2 Brayton cycle and compared with a bottoming Organic Rankine Cycle," Energy, Elsevier, vol. 93(P1), pages 1063-1073.
    • Handle: RePEc:eee:energy:v:93:y:2015:i:p1:p:1063-1073
    DOI: 10.1016/j.energy.2015.07.082
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    References listed on IDEAS

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    1. Chacartegui, R. & Blanco, M.J. & Muñoz de Escalona, J.M. & Sánchez, D. & Sánchez, T., 2013. "Performance assessment of Molten Carbonate Fuel Cell–Humid Air Turbine hybrid systems," Applied Energy, Elsevier, vol. 102(C), pages 687-699.
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    Cited by:

    1. dos Santos, Kenia Gabriela & Eckert, Caroline Thaís & De Rossi, Eduardo & Bariccatti, Reinaldo Aparecido & Frigo, Elisandro Pires & Lindino, Cleber Antonio & Alves, Helton José, 2017. "Hydrogen production in the electrolysis of water in Brazil, a review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 68(P1), pages 563-571.
    2. Liu, Yaping & Wang, Ying & Huang, Diangui, 2019. "Supercritical CO2 Brayton cycle: A state-of-the-art review," Energy, Elsevier, vol. 189(C).
    3. Ehsan, M. Monjurul & Awais, Muhammad & Lee, Sangkyoung & Salehin, Sayedus & Guan, Zhiqiang & Gurgenci, Hal, 2023. "Potential prospects of supercritical CO2 power cycles for commercialisation: Applicability, research status, and advancement," Renewable and Sustainable Energy Reviews, Elsevier, vol. 172(C).
    4. 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).
    5. Perez-Trujillo, Juan Pedro & Elizalde-Blancas, Francisco & Della Pietra, Massimiliano & McPhail, Stephen J., 2018. "A numerical and experimental comparison of a single reversible molten carbonate cell operating in fuel cell mode and electrolysis mode," Applied Energy, Elsevier, vol. 226(C), pages 1037-1055.
    6. Abdollahipour, Armin & Sayyaadi, Hoseyn, 2021. "Thermal energy recovery of molten carbonate fuel cells by thermally regenerative electrochemical cycles," Energy, Elsevier, vol. 227(C).
    7. Szczęśniak, Arkadiusz & Milewski, Jarosław & Szabłowski, Łukasz & Bujalski, Wojciech & Dybiński, Olaf, 2020. "Dynamic model of a molten carbonate fuel cell 1 kW stack," Energy, Elsevier, vol. 200(C).
    8. Song, Jian & Li, Xue-song & Ren, Xiao-dong & Gu, Chun-wei, 2018. "Performance analysis and parametric optimization of supercritical carbon dioxide (S-CO2) cycle with bottoming Organic Rankine Cycle (ORC)," Energy, Elsevier, vol. 143(C), pages 406-416.
    9. Kim, Sunjin & Kim, Min Soo & Kim, Minsung, 2020. "Parametric study and optimization of closed Brayton power cycle considering the charge amount of working fluid," Energy, Elsevier, vol. 198(C).
    10. Son, Seongmin & Lee, Jeong Ik, 2018. "Application of adjoint sensitivity analysis method to supercritical CO2 power cycle optimization," Energy, Elsevier, vol. 147(C), pages 1153-1164.
    11. Chen, Shiyi & Zhou, Nan & Wu, Mudi & Chen, Shubo & Xiang, Wenguo, 2022. "Integration of molten carbonate fuel cell and chemical looping air separation for high-efficient power generation and CO2 capture," Energy, Elsevier, vol. 254(PA).
    12. Ahmadi, Mohammad H. & Jokar, Mohammad Ali & Ming, Tingzhen & Feidt, Michel & Pourfayaz, Fathollah & Astaraei, Fatemeh Razi, 2018. "Multi-objective performance optimization of irreversible molten carbonate fuel cell–Braysson heat engine and thermodynamic analysis with ecological objective approach," Energy, Elsevier, vol. 144(C), pages 707-722.
    13. Wu, Sijie & Zhang, Houcheng & Ni, Meng, 2016. "Performance assessment of a hybrid system integrating a molten carbonate fuel cell and a thermoelectric generator," Energy, Elsevier, vol. 112(C), pages 520-527.
    14. Crespi, Francesco & Gavagnin, Giacomo & Sánchez, David & Martínez, Gonzalo S., 2017. "Supercritical carbon dioxide cycles for power generation: A review," Applied Energy, Elsevier, vol. 195(C), pages 152-183.

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