Journal article
Mathematical modeling and steady-state analysis of a proton-conducting solid oxide fuel cell
Journal of process control, v 22(8), pp 1521-1530
01 Sep 2012
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
This paper presents a study of mathematical modeling and steady-state analysis of a proton-conducting solid oxide fuel cell (SOFC). The SOFC has a SrCe0.95Yb0.05O3-alpha (SCY) electrolyte and two platinum electrodes. A mathematical model of the SOFC is first developed. The model captures electrochemical processes as well as the transport phenomena. The existence of steady-state multiplicity in the cell under three modes of constant ohmic load, potentiostatic and galvanostatic operations is studied. Simulation results show that a multiple steady-states region exists at low inlet fuel and air temperatures under constant ohmic load and potentiostatic operations. The occurrence of ignition and extinction in the cell solid (electrolyte, anode and cathode) temperature is reported. This result is in agreement with those for oxygen ion-conducting solid oxide fuel cells in which the existence of steady-state multiplicity has been attributed to the dependence of the electrolyte oxygen-ion conductivity on temperature. This work shows that concentration and temperature multiplicities coexist. (C) 2012 Elsevier Ltd. All rights reserved.
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Details
- Title
- Mathematical modeling and steady-state analysis of a proton-conducting solid oxide fuel cell
- Creators
- Mona Bavarian - Drexel UniversityMasoud Soroush - Drexel University
- Publication Details
- Journal of process control, v 22(8), pp 1521-1530
- Publisher
- Elsevier
- Number of pages
- 10
- Grant note
- CBET-0932882 / National Science Foundation; National Science Foundation (NSF)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Chemical and Biological Engineering
- Web of Science ID
- WOS:000309315100012
- Scopus ID
- 2-s2.0-84865685293
- Other Identifier
- 991019169682004721
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InCites Highlights
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- Web of Science research areas
- Automation & Control Systems
- Engineering, Chemical