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Cathode material, (Ba_{0.5}Sr_{0.5})_{0.99}Co_{0.8}Fe_{0.2}O_{3-{delta}}, for low temperature SOFC was prepared by the glycine-nitrate synthesis process (GNP). The characteristics of the synthesized powders were studied with controlling pH of a precursor. The synthesis BSCF powders with pH were agglomeration state and calcinations temperature has not influence on particles. Highly acidicprecursor solution increased a single phase forming the temperature. Also, synthesis BSCF powder was show result for thermal analysis and alteration of difference crystal with pH. It is considered that Ba and Sr cannot complex by carboxylic acid group of glycine, because under highly acidic condition the caboxylic group mainly combined with H^+ insead of alkali and alkaline earth cations. In case of using precursor solution with pH 2{sim}3, a single perovskite phase was obtained at 1000?C. Polarization resistance of (Ba_{0.5}Sr_{0.5})_{0.99}Co_{0.8}Fe_{0.2}O_{3-{delta}} was measured by AC impedance spectroscopy from the two electrode symmetric cell. Area specific resistance of the (Ba_{0.5}Sr_{0.5})_{0.99}Co_{0.8}Fe_{0.2}O_{3-{delta}} air electrode at 500?C;and;600?C were 0.96{Omega}?cm² and 0.16{Omega}?cm², respectively.

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