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The behavior of silver as the SOFC cathode material at 600°C was investigated. Ag|YSZ|Pt, Ag|LSM|Pt and Ag|LSM|GDC|Pt systems were polarized for 24 hours applying bias of up to 0.5V. Changes in the morphology and the composition of the electrolyte surface on the cathodic side were examined by the Scanning Electron Microscopy, Energy Dispersive X Ray Spectroscopy, Atomic Force Microscopy and X-ray...
The series of LiMn 2 O 4−y S y spinels (0.02≤y≤0.50) were obtained by the sol–gel method followed by the calcination at 300 °C. All the samples showed the XRD patterns typical for defected Li 1−x Mn 2−2x O 4 spinels. The TGA measurements with simultaneous EGA showed evolution of oxygen in the same temperature range as in the case of Li 1−x Mn...
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