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Computational Fluid Dynamics Modeling of Nickel Hydrogen BatteriesAn electrochemical Ni-H2 battery model has been expanded to include thermal effects. A thermal energy conservation equation was derived from first principles. An electrochemical and thermal coupled model was created by the addition of this equation to an existing multiphase, electrochemical model. Charging at various rates was investigated and the results validated against experimental data. Reaction currents, pressure changes, temperature profiles, and concentration variations within the cell are predicted numerically and compared with available data and theory.
Document ID
20000112900
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Cullion, R. (Pennsylvania State Univ. University Park, PA United States)
Gu, W. B. (Pennsylvania State Univ. University Park, PA United States)
Wang, C. Y. (Pennsylvania State Univ. University Park, PA United States)
Timmerman, P. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA United States)
Date Acquired
August 19, 2013
Publication Date
May 1, 2000
Publication Information
Publication: The 1999 NASA Aerospace Battery Workshop
Subject Category
Energy Production And Conversion
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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