Lithium-ion technology has been demonstrated to have high specific energy, high energy density, and relatively long life. In addition, lithium-ion technology is especially attractive, since it has the potential to operate over a very wide temperature range, which is particularly important for a number of applications. This potential derives from the fact that lithium-ion cells possess organic solvent-based electrolytes, in contrast to aqueous-based electrolytes, which can be tailored to provide high conductivity over a wide range of temperatures. Thus, in recent years, advances in electrolyte formulations have led to dramatic improvements in the capability of lithium-ion technology to operate at extreme temperatures, especially low temperatures. However, it still remains a challenge to demonstrate excellent low temperature capability throughout the life of a cell, especially after being subjected to high temperature cycling or exposure. In order to understand these performance limitations, a number of aerospace prototype cells, ranging in capacity from 1 to 45 AHr, have been tested over a wide range of temperatures (-70 to +75 deg C).


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    Title :

    Performance characteristics of lithium-ion technology under extreme environmental conditions


    Additional title:

    Leistungsdaten der Lithiumionentechnik unter extremen Umweltbedingungen


    Contributors:


    Publication date :

    2003


    Size :

    8 Seiten, 14 Bilder, 13 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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