Development of a geometrical model for optimizing porous anode microstructure of solid oxide fuel cells

Journal of Chemical Engineering of Japan

Volumn 41, Issue 4, 2008, Pages 246-253

  Mori, Hidetoshi ^a   Nonaka, Noboru ^a   Mizuno, Mitsukuni ^b   Abe, Hiroya ^c   Naito, Makio ^c  

^a AICHI UNIVERSITY OF TECHNOLOGY   (Japan)

^b AICHI INSTITUTE OF TECHNOLOGY   (Japan)

^c OSAKA UNIVERSITY   (Japan)

Author keywords

Composite anode electrode; Coordination number; Percolation cluster; Solid oxide fuel cell; Triple phase boundary

Indexed keywords

ANODES; COMPUTATIONAL GEOMETRY; CRYSTAL MICROSTRUCTURE; MATHEMATICAL MODELS; OPTIMIZATION; PERCOLATION (SOLID STATE); PORE SIZE;

COMPOSITE ANODE ELECTRODE; TRIPLE-PHASE BOUNDARY;

SOLID OXIDE FUEL CELLS (SOFC);

ANODES; COMPUTATIONAL GEOMETRY; CRYSTAL MICROSTRUCTURE; MATHEMATICAL MODELS; OPTIMIZATION; PERCOLATION (SOLID STATE); PORE SIZE; SOLID OXIDE FUEL CELLS (SOFC);

EID: 43149106229     PISSN: 00219592     EISSN: None     Source Type: Journal    
DOI: 10.1252/jcej.07WE169     Document Type: Article

References (15)

1. Abel, J., A. A. Kornyshev and W. Lelnert; "Corrected Resistor Network Study of Porous Solid Oxide Fuel Cell Anodes," J. Electrochem. Soc., 144, 4253-4259 (1997)
2. Bouvard, D. and F. F. Lange; "Relation between Percolation and Particle Coordination in Binary Powder Mixtures," Acta Metall. Mater., 39, 3083-3090 (1991)
3. Brown, M., S. Primdahl and M. Mogensen, "Structure/Performance Relations for Ni/Yttria-Stabilized Zilconia Anodes for Solid Oxide Fuel Cells," J. Electrochem. Sac., 147, 475-485 (2000)
4. Chan, S. H. and Z. T. Xia; "Anode Micro Model of Solid Oxide Fuel Cell," J. Electrochem. Soc., 148, A388-A394 (2001)
5. Costamagna, P. and V. Antonucci; "Micro-Modelling of Solid Oxide Fuel Cell Electrodes," Electrachim. Acta, 43, 375-394 (1998)
6. Costamagna, P., M. Panizza, G. Cerisola and A. Barbucci; "Effect of Composition on the Performance of Cermet Electrodes-Experimental and Theoretical Approach-," Electrochim. Acta, 47, 1079-1089 (2062)
7. Deng, X. and A. Petric; "Geometrical Modeling of the Triple-Phase- Boundary in Solid Oxide Fuel Cells," J. Power Sources, 140, 297-303 (2005)
8. Dodds, J. A.; "The Porosity and Contact Points in Multi-Component Random Sphere Packing Calculated by a Simple Statistical Geometric Model," J. Coll. Interf. Sci., 77, 317-327 (1980)
9. Fung, C. W. and A. V. Virkar; "The Effect of Porous Composite Electrode Structure on Solid Oxide Fuel Cell Performance," J. Electrochem. Soe., 144, 21-30 (1997)
10. 2 Cermet Anodes for Solid Oxide Fuel Cells," Solid State Ionics, 132, 1-14 (2000)
11. Kuo, C. H. and P. K. Gupta; "Rigidity and Conductivity Percolation Thresholds in Particulate Composites," Acta Metall. Mater., 43, 397-403 (1995)
12. Mogensen, M. and S. Skaarup; "Kinetic and Geometric Aspects of Solid Oxide Fuel Cell Electrodes," Solid State Ionics, 86-87, 1151-1160 (1996)
13. Suzuki, M. and T. Oshima; "Estimation of Coordination Number in Multi-Component Mixture of Spheres," Powder Technol., 35, 159-166 (1983)
14. Williford, R. E., L. A. Chick, G. D. Maupin, S. P. Simner and J. W. Stevenson; "Diffusion Limitations in Porous Anodes of SOFCs," J. Electrochem. Soc., 150, A1067-A1072 (2003)
15. Xia, Z. T., S. H. Chan and K. A. Khor; "An Improved Anode Micro Model of SOFC," Electrochem. Solid-State Lett., 7, A63-A65 (2004)