Synthesis, Characterization and Electrochemical Properties of a Novel Cobalt-Free Ba0.5Sr0.5Fe0.8Mn0.2O3-α?Intermediate- Temperature Cathode Material

摘要

In this paper, a novel cobalt-free cathode of Ba0.5Sr0.5Fe0.8Mn0.2O3-α (BSFMn) and electrolyte ofBaZr0.1Ce0.7Y0.2O3-α (BZCY) were prepared by nitrate citric acid method. A single cell of NiO-BZCY︱BZCY︱BSFMn was assembled by a simple and effective slurry spin coating method and its H2/airfuel cell performance was also tested. The BSFMn, BZCY and NiO-BZCY were analyzed by X-raydiffraction (XRD). And a single cell after testing was analyzed using scanning electron microscopy(SEM). The maximum output power densities of NiO-BZCY︱BZCY︱BSFMn were 216 mW·cm-2,351 mW·cm-2and 500 mW·cm-2at 600 °C, 650 °C and 700 °C, respectively..