Evaluation program for secondary spacecraft cells: initial evaluation tests of General Electric Company 12. 0 ampere-hour nickel--cadmium spacecraft cells for the International Ultraviolet Explorer. [12 Ah]
Technical Report
·
OSTI ID:7311650
An evaluation test program was conducted to insure that all cells put into the life cycle program are of high quality by the screening of cells found to have electrolyte leakage, internal shorts, low capacity, or inability of any cell to recover its open-circuit voltage above 1.150 volts during the internal short test. The 20 cells were manufactured for the National Aeronautics and Space Administration, Goddard Space Flight Center (GSFC). The cells are from a lot of 175 cells procured for the International Ultraviolet Explorer project. Due to a change in requirements, the project selected to use 6.0 ampere-hour cells. Therefore, the remaining cells of this lot have been placed in storage at GSFC for use on a future GSFC project. All the cells are rated at 12.0 ampere-hours and contain double ceramic seals. Test limits specify those values in which a cell is to be terminated from a particular charge or discharge. Requirements are referred to as normally expected values based on past performance of aerospace nickel-cadmium cells with demonstrated life characteristics. (auth)
- Research Organization:
- Naval Weapons Support Center, Crane, IN (USA)
- OSTI ID:
- 7311650
- Report Number(s):
- N-76-26693; NASA-CR-148190; WQEC/C-76-89
- Country of Publication:
- United States
- Language:
- English
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