Computer Science – Performance
Scientific paper
May 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991batt.work..237c&link_type=abstract
In NASA. Marshall Space Flight Center, The 1990 NASA Aerospace Battery Workshop p 237-262 (SEE N92-27130 17-20)
Computer Science
Performance
Aging (Materials), Chemical Analysis, Nickel Cadmium Batteries, Nylon (Trademark), Separators, Service Life, Degradation, Deterioration, Exposure, High Temperature, Mars Observer, Topex, Zinc Chlorides
Scientific paper
The goals of the chemical analysis was to identify Gates 2505 degradation mechanism, to determine if Eagle-Pitcher 2505 supply suitable for flight, and to assess the 2538 as a candidate replacement, based on chemical findings. Chemical testing strongly indicates that the Gates 2505 stored in Florida had undergone partial chemical deterioration, believed caused by exposure to high humidities and temperature. A suspected role of zinc chloride as a separator concern during storage was not verified in this study (the effect of ZnCl2 on cell/electrode performance was not addressed). No substantial chemical issues or concerns with using EP 2505 as Ni/Cd battery separator for Mars Observer and TOPEX could be found. No chemical issues or concerns with using 2538 as Ni/Cd battery separator were found, in fact, chemical evidence suggest that 2538 may be a better material, as compared to 2505.
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