On-Orbit Health Check of Hubble Space Telescope Nickel-Hydrogen Batteries
The Hubble Space Telescope is a one-of-a-kind spacecraft that pushes technology to its limits. Housing an 8-foot (2.4 meter) mirror and several sophisticated cameras and detectors the telescope is the largest orbital astronomy observatory ever placed in space. It has two modules each containing three 88 Ah NiH2 batteries (six total). Reconditioning has traditionally been used as a means of maintaining the performance of normal cells and batteries. This paper describes the objective, procedure, and results of a reconditioning processes that used to improve the performance of an HST nickel-hydrogen batteries.
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