Low-Temperature Synthesis of Amorphous FeP2 and Its Use as Anodes for Li Ion Batteries

被引：131

作者：

Hall, Justin W. ^{[1
]}

Membreno, Nellymar ^{[1
]}

Wu, Jing ^{[1
]}

Celio, Hugo ^{[2
]}

Jones, Richard A. ^{[1
]}

Stevenson, Keith J. ^{[1
]}

机构：

[1] Univ Texas Austin, Dept Chem & Biochem, Austin, TX 78712 USA

[2] Univ Texas Austin, Texas Mat Inst, Austin, TX 78712 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2012年 / 134卷 / 12期

关键词：

TRANSITION-METAL PHOSPHIDE; REVERSIBLE LITHIUM UPTAKE; NEGATIVE ELECTRODE; NANOPARTICLES; CONVERSION; PHOSPHORUS; STORAGE; NANOCRYSTALS; REACTIVITY; COMPLEXES;

D O I：

10.1021/ja301173q

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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)).

引用

页码：5532 / 5535

页数：4

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