TY - GEN
T1 - An electro-chemo-mechanical analysis of solid oxide fuel cell considering evolution of microstructure in porous electrode using phase-field method
AU - Muramatsu, M.
AU - Takase, S.
AU - Yashiro, K.
AU - Kawada, T.
AU - Terada, K.
PY - 2015/4/1
Y1 - 2015/4/1
N2 - For the numerical simulation of oxygen potential distributions in Solid Oxide Fuel Cell (SOFC), the time-evolution of the anode microstructure is reflected in the macroscopic electrical conductivities and the amount of triple-phase boundaries. Once the oxygen potential distributions are determined, the time-variation of the reduction-induced strains due to nonstoichiometry of oxide materials is calculated along with the thermal strains. These strains cause the macroscopic stresses in mutually constrained components. Thus, the capability of the proposed method is demonstrated in characterizing the aging degradation of the macroscopic electro-chemo-mechanical behavior of SOFC that is caused by the Nisintering in cermet microstructures during long-period control.
AB - For the numerical simulation of oxygen potential distributions in Solid Oxide Fuel Cell (SOFC), the time-evolution of the anode microstructure is reflected in the macroscopic electrical conductivities and the amount of triple-phase boundaries. Once the oxygen potential distributions are determined, the time-variation of the reduction-induced strains due to nonstoichiometry of oxide materials is calculated along with the thermal strains. These strains cause the macroscopic stresses in mutually constrained components. Thus, the capability of the proposed method is demonstrated in characterizing the aging degradation of the macroscopic electro-chemo-mechanical behavior of SOFC that is caused by the Nisintering in cermet microstructures during long-period control.
KW - Microstructure
KW - Potential Simulation
KW - Solid Oxide Fuel Cells
KW - Stress Analysis
UR - http://www.scopus.com/inward/record.url?scp=84938693057&partnerID=8YFLogxK
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M3 - Conference contribution
AN - SCOPUS:84938693057
T3 - COUPLED PROBLEMS 2015 - Proceedings of the 6th International Conference on Coupled Problems in Science and Engineering
SP - 614
EP - 624
BT - COUPLED PROBLEMS 2015 - Proceedings of the 6th International Conference on Coupled Problems in Science and Engineering
A2 - Schrefler, Bernhard A.
A2 - Onate, Eugenio
A2 - Papadrakakis, Manolis
PB - International Center for Numerical Methods in Engineering
T2 - 6th International Conference on Computational Methods for Coupled Problems in Science and Engineering, COUPLED PROBLEMS 2015
Y2 - 18 May 2015 through 20 May 2015
ER -