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Entropy generation analysis in a monolithic-type solid oxide fuel cell (SOFC)

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  • Sciacovelli, Adriano
  • Verda, Vittorio

Abstract

The aim of the paper is to investigate possible improvements in the geometry design of a monolithic solid oxide fuel cells (SOFCs) through analysis of the entropy generation terms. The different contributions to the local rate of entropy generation are calculated using a computational fluid dynamic (CFD) model of the fuel cell, accounting for energy transfer, fluid dynamics, current transfer, chemical reactions and electrochemistry. The fuel cell geometry is then modified to reduce the main sources of irreversibility and increase its efficiency.

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  • Sciacovelli, Adriano & Verda, Vittorio, 2009. "Entropy generation analysis in a monolithic-type solid oxide fuel cell (SOFC)," Energy, Elsevier, vol. 34(7), pages 850-865.
    • Handle: RePEc:eee:energy:v:34:y:2009:i:7:p:850-865
    DOI: 10.1016/j.energy.2009.03.007
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    1. Calise, F. & Dentice d’ Accadia, M. & Vanoli, L. & von Spakovsky, Michael R., 2007. "Full load synthesis/design optimization of a hybrid SOFC–GT power plant," Energy, Elsevier, vol. 32(4), pages 446-458.
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    1. Sciacovelli, A. & Verda, V. & Sciubba, E., 2015. "Entropy generation analysis as a design tool—A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 43(C), pages 1167-1181.
    2. Roy, Monisha & Roy, S. & Basak, Tanmay, 2015. "Role of various moving walls on energy transfer rates via heat flow visualization during mixed convection in square cavities," Energy, Elsevier, vol. 82(C), pages 1-22.
    3. Rangel-Hernandez, V.H. & Damian-Ascencio, C. & Juarez-Robles, D. & Gallegos-Muñoz, A. & Zaleta-Aguilar, A. & Plascencia-Mora, H., 2011. "Entropy generation analysis of a proton exchange membrane fuel cell (PEMFC) with a fermat spiral as a flow distributor," Energy, Elsevier, vol. 36(8), pages 4864-4870.
    4. Jing Bian & Liqiang Duan & Jing Lei & Yongping Yang, 2020. "Study on the Entropy Generation Distribution Characteristics of Molten Carbonate Fuel Cell System under Different CO 2 Enrichment Conditions," Energies, MDPI, vol. 13(21), pages 1-18, November.
    5. Ibáñez, Guillermo & López, Aracely & Pantoja, Joel & Moreira, Joel & Reyes, Juan A., 2013. "Optimum slip flow based on the minimization of entropy generation in parallel plate microchannels," Energy, Elsevier, vol. 50(C), pages 143-149.
    6. Ibáñez, Guillermo & Cuevas, Sergio, 2010. "Entropy generation minimization of a MHD (magnetohydrodynamic) flow in a microchannel," Energy, Elsevier, vol. 35(10), pages 4149-4155.
    7. Machado, Bruno S. & Mamlouk, Mohamed & Chakraborty, Nilanjan, 2020. "Entropy generation analysis based on a three-dimensional agglomerate model of an anion exchange membrane fuel cell," Energy, Elsevier, vol. 193(C).
    8. Guelpa, Elisa & Sciacovelli, Adriano & Verda, Vittorio, 2013. "Entropy generation analysis for the design improvement of a latent heat storage system," Energy, Elsevier, vol. 53(C), pages 128-138.
    9. Liu, He & Qin, Jiang & Li, Chenghao & Wang, Jingyi & Wang, Cong & Dong, Peng, 2024. "Numerical performance analysis of the solid oxide fuel cell for aviation hybrid power system," Energy, Elsevier, vol. 287(C).
    10. Iwai, H. & Yamamoto, Y. & Saito, M. & Yoshida, H., 2011. "Numerical simulation of intermediate-temperature direct-internal-reforming planar solid oxide fuel cell," Energy, Elsevier, vol. 36(4), pages 2225-2234.
    11. Kaluri, Ram Satish & Basak, Tanmay, 2011. "Entropy generation due to natural convection in discretely heated porous square cavities," Energy, Elsevier, vol. 36(8), pages 5065-5080.
    12. Traverso, A. & Magistri, L. & Massardo, A.F., 2010. "Turbomachinery for the air management and energy recovery in fuel cell gas turbine hybrid systems," Energy, Elsevier, vol. 35(2), pages 764-777.
    13. Kim, Ah-Reum & Shin, Seungho & Um, Sukkee, 2016. "Multidisciplinary approaches to metallic bipolar plate design with bypass flow fields through deformable gas diffusion media of polymer electrolyte fuel cells," Energy, Elsevier, vol. 106(C), pages 378-389.
    14. Li, Xianglin & Faghri, Amir, 2011. "Local entropy generation analysis on passive high-concentration DMFCs (direct methanol fuel cell) with different cell structures," Energy, Elsevier, vol. 36(1), pages 403-414.

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