Nickel-hydrogen battery technology has established itself as the system of choice to provide energy storage on board Earth orbiting satellites. In addition to providing electrical power for the satellite during the periods the satellite's solar arrays are eclipsed by the Earth, applications are evolving (such as ion propulsion) where the battery is required to supplement the power supplied to the spacecraft by the solar panels in order to meet the peak power demands. In this paper, the results of a four-year accelerated life test programme, equivalent to more than 20 years in orbit, are reported. Additional noneclipse cycles were added to both the eclipse and solstice seasons of each simulated spacecraft year. The results show that the additional discharges do not significantly effect the rates of performance degradation of the batteries.
Orbital simulation life tests of nickel hydrogen batteries with additional non-eclipse cycles
Journal of Power Sources ; 76 , 2 ; 210-214
1998
5 Seiten, 11 Quellen
Article (Journal)
English
Orbital simulation life tests of nickel hydrogen batteries with additional non-eclipse cycles
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