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An experimental study of oxidative coupling of methane in a solid oxide fuel cell with 1 wt%Sr/La2O3-Bi2O3-Ag-YSZ membrane

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Abstract

A solid oxide fuel cell with 1 wt%Sr/La2O3-Bi2O3-Ag-YSZ membrane was applied to oxidative coupling of methane. Membrane composition had a great effect on the reaction and current generated. An increase in the current generated was accompanied by a decrease in C2 selectivity and an increase in CH4 conversion. There is an optimal temperature for C2-selectivity. CH4 conversion decreased, C2-selectivity increased and current generated decreased slightly with a rise in total flow rates. CH4 conversion and the current generated increased with a rise in oxygen concentration. If only C2-selectivity and current were concerned, the higher the methane concentration, the more favourable for the cogeneration of electrical energy and ethane and ethylene. Stability of the membrane was also tested.

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Authors and Affiliations

  1. Department of Chemical Engineering, National University of Singapore, 10 Kent Ridge Crescent, 119260, Singapore

    Xui-Mei Guo, Kus Hidajat & Chi-Bun Ching

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  1. Xui-Mei Guo
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  2. Kus Hidajat
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  3. Chi-Bun Ching
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Correspondence to Chi-Bun Ching.

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Guo, XM., Hidajat, K. & Ching, CB. An experimental study of oxidative coupling of methane in a solid oxide fuel cell with 1 wt%Sr/La2O3-Bi2O3-Ag-YSZ membrane. Korean J. Chem. Eng. 15, 469–473 (1998). https://doi.org/10.1007/BF02707093

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  • DOI: https://doi.org/10.1007/BF02707093

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