Abstract
The current — overpotential characteristics of the H2 - Pd - SCY interphase have been studied at atmospheric total pressure and temparatures between 400 – 550 °C in the single chamber reactor — cell: Pd | SCY | Pd. The results of I−η measurements indicate that the apparent anodic and cathodic charge tranfer coefficients are equal to: αa=αc=0.5. The present results are compared to those obtained with the single — chamber reactor cell: Ag | SCY | Ag. A solid state proton (H+) conducting reactor — cell with Pd electrodes was tested for the ammonia synthesis from its elements at atmospheric pressure. At 570 °C, over 75% of the ectrochemically supplied hydrogen was converted into NH3. The thermodynamic requirement for a high pressure process was eliminated.
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