Dynamic numerical analysis of cross-, co-, and counter-current flow configuration of a 1 kW-class solid oxide fuel cell stack
PBN-AR
Instytucja
Instytut Energetyki - Instytut Badawczy
Źródłowe zdarzenia ewaluacyjne
Informacje podstawowe
Główny język publikacji
angielski
Czasopismo
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
ISSN
0360-3199
EISSN
Wydawca
PERGAMON-ELSEVIER SCIENCE LTD
DOI
URL
Rok publikacji
2015
Numer zeszytu
45
Strony od-do
15834–15844
Numer tomu
40
Identyfikator DOI
Liczba arkuszy
0,9
Słowa kluczowe
angielski
Dynamic simulations
SOFC stack
Transient modeling
Validation
Streszczenia
Język
angielski
Treść
Alternative designs of planar solid oxide fuel cell stack have been developed over the last decade. Depending on the application, different geometries, materials and flow configurations were adopted. This study investigates a generic solid oxide fuel cell stack with nominal power output above 1.3 kWel. The fuel cell stack is a key component of a highly integrated micro-cogenerator for domestic application. As daily, weekly and monthly variations in the electrical power load are expected, there is a need to develop numerical tools to predict the unit's performance with high accuracy. Hence, a fully physical dynamic model of a SOFC stack was developed and implemented in Aspen HYSYS 7.2 modeling software to enable predictive analysis of the off-design operation. The presented model exhibits high accuracy and accounts for thermal and electrochemical processes and parameters. The authors present the methodology used in the study to analyze the sensitivity of key parameters to load changes in cross-, co- and counter current flow configuration in the stack. Further functionality of the model, which was validated using manufacturer's data is discussed.
Cechy publikacji
ORIGINAL_ARTICLE
Inne
System-identifier
629327
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