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000112217 0247_ $$2doi$$a10.1016/j.applthermaleng.2007.06.007
000112217 022__ $$a1359-4311
000112217 02470 $$2DAR$$a11295
000112217 02470 $$2ISI$$a000249709700009
000112217 037__ $$aARTICLE
000112217 245__ $$aA methodology for thermo-economic modeling and optimization of solid oxide fuel cell systems
000112217 269__ $$a2007
000112217 260__ $$bElsevier$$c2007
000112217 336__ $$aJournal Articles
000112217 520__ $$aIn the context of stationary power generation, fuel cell-based systems are being foreseen as a valuable alternative to thermodynamic cycle-based power plants, especially in small scale applications. As the technology is not yet established, many aspects of fuel cell devel- opment are currently investigated worldwide. Part of the research focuses on integrating the fuel cell in a system that is both efficient and economically attractive. To address this problem, we present in this paper a thermo-economic optimization method that systematically generates the most attractive configurations of an integrated system. In the developed methodology, the energy flows are computed using conventional process simulation software. The system is integrated using the pinch based methods that rely on optimization techniques. This defines the minimum of energy required and sets the basis to design the ideal heat exchanger network. A thermo-economic method is then used to compute the integrated system performances, sizes and costs. This allows performing the optimization of the system with regard to two objectives: minimize the specific cost and maximize the efficiency. A solid oxide fuel cell (SOFC) system of 50 kW integrat- ing a planar SOFC is modeled and optimized leading to designs with efficiencies ranging from 34% to 44%. The multi-objective optimi- zation strategy identifies interesting system configurations and their performance for the developed SOFC system model. The methods proves to be an attractive tool to be used both as an advanced analysis tool and as support to decision makers when designing new systems.
000112217 6531_ $$aSOFC
000112217 6531_ $$asystem design
000112217 6531_ $$aMulti-objective optimization
000112217 6531_ $$aFuel cell
000112217 700__ $$0240640$$g114069$$aPalazzi, Francesca
000112217 700__ $$0240154$$g151101$$aAutissier, Nordahl
000112217 700__ $$aMarechal, François M.A.
000112217 700__ $$aFavrat, Daniel$$g105085$$0240152
000112217 773__ $$j27$$tApplied Thermal Engineering$$k16$$q2703-2712
000112217 8564_ $$uhttps://infoscience.epfl.ch/record/112217/files/1-s2.0-S1359431107002049-main.pdf$$zPublisher's version$$s353026$$yPublisher's version
000112217 8564_ $$uhttps://infoscience.epfl.ch/record/112217/files/A%20Methodology%20for%20Thermo-Economic%20Modeling%20and%20Optimization%20of%20Solid%20Oxide%20Fuel%20Cell%20Systems.pdf$$zPostprint$$s3906405$$yPostprint
000112217 8564_ $$uhttps://infoscience.epfl.ch/record/112217/files/ATE2193.pdf$$zPublisher's version$$s518200$$yPublisher's version
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000112217 937__ $$aLENI-ARTICLE-2007-010
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000112217 980__ $$aARTICLE