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A Simulation of Electrochemical Kinetics for Gas-Liquid-Solid Phase of MCFC Anode
1Department of Chemcal Engineering, Pukyong University, Pusan, Korea 2Department of Environmental Engineering, Pukyong University, Pusan, Korea 3Department of Chemcal Engineering, Korea University, Seoul, Korea
jhlim@dolphin.pknu.ac.kr
Korean Journal of Chemical Engineering, November 1999, 16(6), 856-860(5), 10.1007/BF02698366
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Abstract
A porous NI-AI alloy anode for the molten carbonate fuel cell has been developed to enhance the creep resistance of the anode as well as to minimize the electrolyte loss. A dual-porosity filmed agglomerate model for the Ni-Al alloy anode has been investigated to predict the cell performance. The major physicochemical phenomena bring modeled include mass transfer, ohmic losses and reaction kinetics at the electrode-electrolyte interface. The pre dieted polarization curves are compared with the experimental results obtained from a half cell test. The model predicted very well the steady-state cell performance at the given conditions that characterize the state of the electrode.
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Yuh CY, Selman JR, J. Electrochem. Soc., 131, 2062 (1984)
Brown R, Rockett JA, J. Electrochem. Soc., 113, 207 (1966)
Kwon SG, Hwang DS, Chung DY, Lee EH, Yoo JH, HWAHAK KONGHAK, 36(5), 707 (1998)
Chun HS, Park GP, Lim JH, Kim K, Lee JK, Moon KH, Yoon JH, J. Power Sources, 49, 245 (1994)
Kim HJ, "Manufacturing Process and Characteristics of Ano-de for MCFC using Ni-Al Intermetallic Powder," M.S. Thesis, Korea University, Seoul, Korea (1997)
Kim H, Nam SW, Hong SA, Chung JS, HWAHAK KONGHAK, 36(6), 856 (1998)
Kim YS, Wee JH, Lim JH, Chun HS, HWAHAK KONGHAK, 37(1), 97 (1999)
Lee GL, Pomp L, Selman JR, J. Electrochem. Soc., 140, 390 (1993)
Mitteldorf J, Wilemski G, J. Electrochem. Soc., 131, 1784 (1984)
Park GP, "Studies on the Ni-Al Anode for the Molten Carbonate Fuel Cell," Ph.D. Dissertatio, Korea University, Seoul, Korea (1994)
Roh JS, Hong SA, Suh SS, HWAHAK KONGHAK, 34(5), 663 (1996)
Suh SS, Lee SJ, Nam SW, Lim TH, Oh IH, Hong SA, HWAHAK KONGHAK, 36(2), 144 (1998)
Takashima S, Ohtsuka K, Kara T, Takeuchi M, Fukui Y, Fujimura H, "Life Issue of Molten Carbonate Fuel Cell," Proceedings of the 1st International Fuel Cell Conference, NEDO/NITI, Tokyo, Japan, 223 (1992)
Yuh CY, Selman JR, J. Electrochem. Soc., 131, 2062 (1984)
