Advanced unmanned underwater vehicles (UUV) require high power from a very high specific energy power source. This company was awarded phases I and II of a SBIR funded program with the ambitious objective to develop an electrochemical cell that could deliver high specific power of 10 W/lb and have a resultant specific energy exceeding 250 Wh/lb for a sustained 25 hour period. Only lithium-thionyl chloride and carbon monofluoride primary batteries have high specific energy, and of these, the former system was selected for this research. Cells were developed to meet these power, energy and weight criteria in capacity sizes of 1000 to 1300 Ah, so as to also meet the stated energy need of 100 to 120 kWh at 100 to 120 V for the Long Range Mine Reconnaissance System (LMRS). It was known that LMRS must be submarine compatible and therefore reliable safe to handle and use. Over 70 cells were built and tested as single cells and 4-cell (14 V) and 12-cell (40 V) batteries, during the period 1995 to 1997. This advancement of the technology was successful, in that tests showed the electrical and low weight objectives were met. These cells maintained safe characteristics at the C/22 rate and 270 Wh/lb specific energy.


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    Title :

    Development of a high-power; High-energy density lithium thionyl chloride battery for advanced unmanned underwater vehicle propulsion


    Additional title:

    Entwicklung einer Lithium-Thionylchlorid-Batterie mit hoher Energie- und Leistungsdichte für den Antrieb neuartiger unbemannter Unterwasserfahrzeuge


    Contributors:
    Zolla, A. (author) / Westenberger, J. (author) / Noll, D. (author)

    Published in:

    Publication date :

    2000


    Size :

    5 Seiten, 4 Bilder, 8 Tabellen, 2 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





    High Rate Lithium/Thionyl Chloride Bipolar Battery Development

    Russell, P. G. / Goebel, F. / NASA Aerospace Flight Battery Systems Program | British Library Conference Proceedings | 1994