Development of an Electrochemical Oxygen Compressor and Generator for Spacesuit Oxygen Resupply

The Electrochemistry Society is organizing a special session highlighting NASA applications and NASA technology development programs that use electrochemistry. NASA Johnson Space Center is sponsoring a technology development effort to use a solid oxide electrochemical cell stack to produce high pressure high purity oxygen capable of recharging spacesuit oxygen tanks between Extra-Vehicular Activities (EVAs). The attributes of the technology that are most important to NASA are the oxygen compatibility of the materials in the cell stack, and the solid state nature of the oxygen compression process. 2019 technical development work focuses on developing seals that connect individual wafers to for a cell stack.