Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 12, Pages 5532-5535Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja301173q
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Funding
- Welch Foundation [F-816, F-1529]
- Norman Hackerman Advanced Research Program [003658-0030-2009]
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The reaction of Fe(N(SiMe3)(2))(3) with PH3 in THF at 100 degrees C gives amorphous FeP2 in high yield. As an anode material in a Li ion battery, this material shows remarkable performance toward electrochemical lithiation/delithation, with gravimetric discharge and charge capacities of 1258 and 766 mA h g(-1), respectively, translating to 61% reversibility on the first cycle and a discharge capacity of 906 mA h g(-1) after 10 cycles. This translates to 66% retention of the theoretical full conversion capacity of FeP2 (1365 mA h g(-1)).
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