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Erschienen in:

2017 | OriginalPaper | Buchkapitel

Energy System Analysis of SOFC Systems

verfasst von : Andrea Lanzini, Domenico Ferrero, Massimo Santarelli

Erschienen in: Advances in Medium and High Temperature Solid Oxide Fuel Cell Technology

Verlag: Springer International Publishing

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Abstract

A solid oxide fuel cell (SOFC) system involves phenomena that take place at different scales. The electrochemical active cell—a multicomposite structure that consists of different microscopic layers made of different materials—is thus at the center of a broader and complex energy system, whose efficient and durable performance much depends on several other integrated subsystems and auxiliaries which both provide reactants to the fuel cell and extract exhausts from the same. This is the reason energy analysis focuses on the overall plant behavior and not only on cell and stack performance. This chapter will review modeling tools and approaches for system performance evaluation.

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Vorheriges Kapitel Catalysts and Processes in Solid Oxide Fuel Cells

Nächstes Kapitel DOE Methodologies for Analysis of Large SOFC Systems

The dopant is added to increase the ionic conductivity of zirconia.

The equilibrium condition is assumed for OCV condition.

The standard state for vapour phase is taken as an ideal gas at system temperature and pressure of 1 bar, for the liquid phase is taken as the fugacity of pure component i in liquid phase at system temperature and for solid phase the reference state is the solid phase at 298.15 K and 1 bar.

Note that the stack control volume considered here is different from the previous one through which the SOFC waste heat rate was calculated. The stack control volume described here is isothermal and thus it does not include the cooling effect of cathode air. This is pretty much like looking at a restricted stack volume in which the cooling effect of reactants/products is not accounted for yet.

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Titel: Energy System Analysis of SOFC Systems
verfasst von: Andrea Lanzini
Domenico Ferrero
Massimo Santarelli
Verlag: Springer International Publishing
Buch: Advances in Medium and High Temperature Solid Oxide Fuel Cell Technology
Print ISBN: 978-3-319-46145-8

Electronic ISBN: 978-3-319-46146-5

Copyright-Jahr: 2017
DOI: https://doi.org/10.1007/978-3-319-46146-5_6