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Five-year update: nickel hydrogen industry survey

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1 Author(s)
Milden, M.J. ; Aerosp. Corp., El Segundo, CA, USA

A 1984 survey of the nickel hydrogen (NiH/sub 2/) battery industry is updated. Late 1980s and early 1990s issues are identified, and usage and testing results of the survey are summarized. NiH/sub 2/ is the system of choice for new geosynchronous-earth-orbit (GEO) satellites and is being seriously considered for low-earth-orbit (LEO) applications. In five years, the annual cell production rate has doubled from approximately 1000 to 2000 cells. A number of cells under test have exceeded 20000 cycles at 40% DOD in LEO regimes, while other cells have achieved over 35 seasons in accelerated GEO regimes. The LEO database clearly indicates that NiH/sub 2/ performance is at least as good as the best conventional nickel-cadmium performance demonstrated under test.<>

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:6 ,  Issue: 11 )