Free Piston Stirling Engine as a new heat recovery option for an Internal Reforming Solid Oxide Fuel Cell

Mahdi Majidniya, Benjamin Remy, Thierry Boileau and Majid Zandi

Renewable Energy, 2021, vol. 171, issue C, 1188-1201

Abstract: Energy demand increment besides the reduction of fossil fuel resources from one side, and climate issues concerning the conventional power production methods from another side lead humanity to more efficient and cleaner power production methods. One of these methods is polygeneration microgrids based on a renewable energy source. In the present study, a combined cycle of a Free Piston Stirling Engine with a Permanent Magnet Linear Synchronous Machine was proposed as a new heat recovery option for the high-quality thermal energy of an Internal Reforming Solid Oxide Fuel Cell as electricity. Then, a Double Effect Absorption Chiller and a heat exchanger were used to recover the rest of the heat as cooling and hot water, respectively. After modeling and validating all the systems, they were combined. The results of the combined system showed 31.7% (or 40% by including cooling production of Double Effect Absorption Chiller instead of its heat consumption for efficiency calculation) of total efficiency improvement compared to the standalone Internal Reforming Solid Oxide Fuel Cell. Furthermore, the electrical efficiency of the system was improved by 14.1%.

Keywords: Free piston stirling engine (FPSE); Permanent magnet linear synchronous machine (PMLSM); Internal reforming solid oxide fuel cell (IRSOFC); Double effect absorption chiller (DEACH); Waste heat recovery; Microgrid (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:171:y:2021:i:c:p:1188-1201

DOI: 10.1016/j.renene.2021.02.082

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