The method of electrochemical extraction of oxygen from air employing a solid oxide
electrolyte (SOE) is presented. The prototype of electrochemical oxygen generator (pump) for
medical applications has been developed and fabricated. It is based on thin-walled tubular segments
of YSZ electrolyte (170 μm) with LSM based electrodes (~20 μm). Different technologies:
nanopowder production by laser ablation, casting of polymer-ceramic tapes, formation of
electrodes-electrolyte green structures by radial magnetic pulsed compaction followed by cosintering
at 1200°C, were used for segments fabrication. The magnetron sputtering method was
applied to protect metallic interconnects (Crofer 22 APU) with (Mn-Co)3O4 layer. Presented
oxygen generator prototype produced 9 liters of pure oxygen per hour under applied power of 50 W
at 800°C. No noble metals were used in construction.
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