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Yttrium-doped barium zirconate (BZY) perovskite structured materials are the first protonic electrolytes proven to be stable for use at intermediate temperatures (450–700°C) in hydrogen containing 5000ppm H 2 S. Structures of materials were characterized and stability was confirmed using XRD, SEM and EDX methods. While BZY powders and membranes are stable proton conductors in H 2 S-containing...
Proton conductivity of Li 2 SO 4 -Al 2 O 3 (LA) based electrolyte was determined under non-reducing dynamic conditions using current interruption technique. The performance of LA as electrolyte has been examined at 600°C in a H 2 S fuel cell with MoS 2 -NiS as anode catalyst and NiO as cathode catalyst. XRD and XPS results show that Li 2 SO ...
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