Journal
JOURNAL OF POWER SOURCES
Volume 189, Issue 2, Pages 1074-1082Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2008.12.130
Keywords
SOFC; Fuel cell; Design; Adjoint; Sensitivity analysis
Funding
- Office of Naval Research [N00014-08-1-0217]
- SOFC
- Tennessee Higher Education Commission (THEC) Center of Excellence in Applied Computational Science and Engineering
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A three-dimensional numerical solver is developed to model complex transport processes inside all components of a solid oxide fuel cell (SOFC). An initial assessment of the accuracy of the model is made by comparing a numerically generated polarization curve with experimental results. Sensitivity derivatives of objective functions representing the cell voltage and the concentration polarization are obtained with respect to the material properties of the anode and the cathode using discrete adjoint method. Implementation of the discrete adjoint method is validated by comparing sensitivity derivatives obtained using the adjoint technique with results obtained using direct-differentiation and finite-difference methods. (C) 2009 Elsevier B.V. All rights reserved.
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