期刊
11TH EUROPEAN SPACE POWER CONFERENCE
卷 16, 期 -, 页码 -出版社
E D P SCIENCES
DOI: 10.1051/e3sconf/20171610005
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This paper describes the development and testing of a 1 kW reversible solid oxide fuel cell intended for energy storage on space exploration missions, particularly for long term Mars exploration. The energy is stored as H-2 or CO produced by electrolysis of H2O or CO2. The reactants are then converted back to its original composition by producing electricity. The breadboard was operated for 1250 hours alternating between electrolyser mode and fuel cell mode with H-2/H2O as reactants. During the tests, as long as the mechanical integrity of the system was maintained, no degradation effect was observed. At the end of the test period, the fuel cell was operated for three full cycles (approx. 50 hours) with CO/CO2 as reactants. The performance on CO/CO2 was lower than for hydrogen, but sufficient to be used in a compact energy storage system for Mars exploration.
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