Title

Diffusion-Limited Self-Discharge Reaction in the Hubble Space Telescope Battery

Document Type

Article

Publication Date

1-1996

Publication Source

Journal of Power Sources

Abstract

The self-discharge rate of aerospace flight-quality nickel-hydrogen batteries is limited by hydrogen diffusion within the nickel electrode active material. A diffusion-limited reaction model is developed which accounts for the observed self-discharge behavior. Effective hydrogen diffusion coefficients were calculated from the open-circuit self-discharge data on Hubble space telescope flight-quantified nickel-hydrogen cells and ranged from 1.12×10−10 cm2/sec at 25°C to 7.45×10−12 cm2/sec at 0°C.

Inclusive pages

99-102

ISBN/ISSN

0378-7753

Comments

Permission documentation is on file.

Publisher

Elsevier

Volume

58

Issue

1

Peer Reviewed

yes