Research Papers

Microstructure Optimization Designs for Anode-Supported Planar Solid Oxide Fuel Cells

[+] Author and Article Information
Junxiang Shi

Department of Mechanical Engineering,  University of South Carolina, Columbia, SC 29208

Xingjian Xue1

Department of Mechanical Engineering,  University of South Carolina, Columbia, SC 29208xue@cec.sc.edu


Corresponding author.

J. Fuel Cell Sci. Technol 8(6), 061006 (Sep 26, 2011) (8 pages) doi:10.1115/1.4004642 History: Received October 20, 2010; Revised July 01, 2011; Published September 26, 2011; Online September 26, 2011

Suitable porous electrode design may play a significant role in the performance enhancement of solid oxide fuel cells (SOFCs). In this paper a genetic algorithm optimization method is employed to design electrodes based on a 2D planar SOFC model development. The objective is to find suitable porosities and particle sizes distributions for both anode and cathode electrodes so that the cell performance can be maximized. The results indicate that the optimized heterogeneous morphology may better improve SOFC performance than the homogeneous counterpart, particularly under relatively high current density conditions. The optimization results are dependent on the operating conditions. The effects of inlet mass flow rates and fuel compositions are investigated. The proposed approach provides a systematical method for electrode microstructure designs of high performance SOFCs.

Copyright © 2011 by American Society of Mechanical Engineers
Your Session has timed out. Please sign back in to continue.



Grahic Jump Location
Figure 1

Two-dimensional schematic illustration of a planar SOFC

Grahic Jump Location
Figure 2

Comparisons between simulation results and experimental data [15]

Grahic Jump Location
Figure 3

Flow diagram of genetic algorithm

Grahic Jump Location
Figure 4

Optimized cell performances with different operating conditions

Grahic Jump Location
Figure 5

Optimized porosities and particle sizes distributions corresponding to third row in Table 4, and 4

Grahic Jump Location
Figure 6

Hydrogen and oxygen molar fraction distributions under the operating conditions with xH2(0.75):xH2O(0.25), mca,in/man,in = 2200/390 and the cell voltage of 0.4 V



Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In