Radio-Frequency-Based Glow-Discharge Extraction of Oxygen From Martian Atmosphere: Experimental Results and System Validation Strategies

Computer Science

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Radio Frequency Discharge, Oxygen, Mars Atmosphere, Spacecraft Launching, Oxygen Production, Mars Surface, Glow Discharges, Zirconium Oxides, Thermal Dissociation, High Temperature, Electrochemical Cells

Scientific paper

Extraction of oxygen from Mars atmosphere was identified very early as a near-term opportunity for in situ resource utilization (ISRU) which could enable round-trip missions to Mars using existing space launch capabilities. Since 1979, stabilized zirconia electrochemical cells have been studied as elements of oxygen production systems that operate using thermal dissociation of CO2 (which constitutes 95.32% of the Mars surface atmosphere) while separating and compressing the resulting oxygen product. Research at the University of Arizona has demonstrated long lifetime operation of the stabilized zirconia cells when operated at elevated temperatures and at terrestrial pressures.

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