Under NASA Office of Aeronautics and Space Technology (OAST) sponsorship, JPL is developing advanced, high rate Li-SOCl2 cells for future space missions. As part of this effort, Li-SOCl2 cells of various designs were examined for performance and safety. The cells were either fabricated in-house or obtained from battery suppliers (or manufacturers). The cells differed from one another in several aspects, such as : nature of carbon cathode, catalysts, cell configuration, case polarity, and safety devices. Performance evaluation included constant-current discharge over a range of currents and temperatures. Abuse-testing consisted of shortcircuiting, charging, and over-discharge. Energy densities greater than 300 Wh/kg at the C/2 rate were found for some designs. A cell design featuring a high-surface-area carbon cathode was found to deliver nearly 500 Wh/kg at moderate discharge rates. Temperature influenced the performance significantly. Safety devices (e.g., fuses, polyswitches, and vents) were found to be very effective in providing safe operation under intentional electrical abuse. The details of the cell designs, performance, abuse tests and results will be presented.


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    Title :

    Evaluation of advanced high rate Li-SOCl2 cells


    Additional title:

    Bewertung verbesserter Li/SOCl2-Hochstrombatterien


    Contributors:
    Deligiannis, F. (author) / Ang, V. (author) / Dawson, S. (author) / Frank, H. (author) / Subbarao, S. (author) / Holpert, G. (author)


    Publication date :

    1986


    Size :

    4 Seiten, 7 Tabellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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