Scale Up and Coupling of the MOXIE Solid Oxide Electrolyzer for Propellant Production on Mars

J Hartvigsen, SE Elangovan, J Elwell, M Hollist… - 2022 - ttu-ir.tdl.org
J Hartvigsen, SE Elangovan, J Elwell, M Hollist, D Larsen, T Hafen, D Claus, S Valdez…
2022ttu-ir.tdl.org
The successful operation of MOXIE on Perseverance mission Sol 60 (20 April 2021) has
made Mars ISRU a reality. Since delivering the Solid OXide Electrolysis (SOXE) stacks for
the Mars 2020 MOXIE project in 2017, the OxEon team, with the support of a NASA
NextSTEP-2 ISRU award, has designed and fabricating SOXE stacks scaled 33 times the
0.5% scale of the device in MOXIE. A system containing six such SOXE stacks will have the
oxygen production capacity to supply the propellant oxidant for a human mission Mars …
Abstract
The successful operation of MOXIE on Perseverance mission Sol 60 (20 April 2021) has made Mars ISRU a reality. Since delivering the Solid OXide Electrolysis (SOXE) stacks for the Mars 2020 MOXIE project in 2017, the OxEon team, with the support of a NASA NextSTEP-2 ISRU award, has designed and fabricating SOXE stacks scaled 33 times the 0.5% scale of the device in MOXIE. A system containing six such SOXE stacks will have the oxygen production capacity to supply the propellant oxidant for a human mission Mars Ascent Vehicle (MAV). The full area SOXE design produced and tested in 2018 for commercial terrestrial energy storage applications has been joined in 2021 by an ISRU variant modified for oxygen collection.
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