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Materials formulated as La 2 Ni 1−x Cu x O 4+δ (0≤x≤1) have been synthesised to be evaluated as possible cathode materials in SOFCs. Their crystal structures have been investigated by high-resolution neutron powder diffraction at RT so as to map out the phase diagram. The thermal expansion coefficients have been determined to be in the range of 10.8–13.0×10 −6 ...
The performance of La 2 NiO 4 cathode material and Ce 1–x Sm x O 2–δ (x=0.1, 0.2, 0.3, 0.4) electrolyte system was analyzed. Ceria-based materials were prepared by the freeze-drying precursor route whereas La 2 NiO 4 was prepared by the nitrate–citrate procedure. Electrolyte pellets were obtained after sintering the powders at 1600°C for 10h...
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