Air Force nickel hydrogen cell low earth orbit life test update
Book
·
OSTI ID:187008
- Phillips Lab., Kirtland AFB, NM (United States)
- Aerospace Corp., Albuquerque, NM (United States)
There are currently 169 nickel hydrogen (NiH{sub 2}) cells on test in a low earth orbit (LEO) application at the Naval Surface Warfare Center, Crane Division IN. There are 10 cells in a special pulse test at Aerospace Corporation. There are also 10 cells in a pulse test at Phillips Lab. These tests are designed to demonstrate cell performance in a LEO application and develop a comprehensive data base to support the performance. Along with these life cycle tests there are 10 cells in an extended storage test. The test matrix consists of 31% and 26% KOH cells. The 26% KOH cells were put on test in 1993. A key goal with the current test matrix is to demonstrate whether the 26% KOH cells have improved performance over the 31% KOH cells. This paper describes the LEO life test results and presents current status of the cells on test. This paper will also present a preliminary evaluation of the general performance of the cells with 26% KOH vs cells with 31% KOH. Included will be comparisons of voltage profile vs cycle number for each type of cell and also voltage profiles for the two cell types at identical cycle numbers. Comparisons of the cells in pulse application will be included in the paper.
- OSTI ID:
- 187008
- Report Number(s):
- CONF-950729--
- Country of Publication:
- United States
- Language:
- English
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