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- W1998021817 abstract "Abstract Nd 0.6 Sr 0.4 Co 1− y Mn y O 3− δ (0 ≤ y ≤ 1.0) oxides have been investigated as cathode materials for intermediate temperature solid oxide fuel cells (SOFC). The samples form a single-phase solid solution with an orthorhombic perovskite structure and the lattice parameters and volume increase with increasing Mn content y . The degree of oxygen loss at high temperatures and the thermal expansion coefficient (TEC) decrease with increasing y due to a stronger Mn O bond. The electrical conductivity decreases with y and the system exhibits a metal to semiconductor transition at around y = 0.2. The electrocatalytic activity and power density measured with single cell SOFC decrease with increasing y due to a decrease in oxygen exchange and mobility as well as charge transfer kinetics, arising from a decrease in the oxide ion vacancy concentration and electrical conductivity." @default.
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- W1998021817 date "2006-08-01" @default.
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- W1998021817 title "Synthesis and characterization of Nd0.6Sr0.4Co1−yMnyO3−δ (0≤y≤1.0) cathodes for intermediate temperature solid oxide fuel cells" @default.
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- W1998021817 doi "https://doi.org/10.1016/j.jpowsour.2005.10.021" @default.
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