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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Lithium ion rechargable batteries are being developed for various aerospace applications under a NASA-DoD interagency program. In this paper, we report the beneficial effect of using alkyl pyrocarbonates as electrolyte additives to improve the low temperature performance of lithium ion cells.
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Carbon materials, such as graphite, cokes, pitch and PAN fibers, are being evaluated in lithium batteries as alternate anode materials with some degree of success. There is an effort to look for other non-carbon anode materials which have larger Li capacity, higher rate capability, smaller first charge capacity loss and better mechanical stability during cycling. A Li-Mg-Si material is evaluated.
A number of upcoming NASA missions require energy storage devices which display high energy density and can effectively operate at low temperature. Lithium-ion batteries have been identified as the most promising technology which can meet these stringent requirements.
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