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High Capacity and Rate Capability of Amorphous Phosphorus for Sodium Ion Batteries

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  • This work is financially supported by the National 973 Program of China (2009CB220103) and the National Science Foundation of China (21273167).

Abstract

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Turning on your P/C: An amorphous phosphorus/carbon (a-P/C) composite was synthesized using simple mechanical ball milling of red phosphorus and conductive carbon powders. This material gave an extraordinarily high sodium ion storage capacity of 1764 mA h g−1 (see graph) with a very high rate capability, showing great promise as a high capacity and high rate anode material for sodium ion batteries.

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