Carbon Nanocapsules as Nanoreactors for Controllable Synthesis of Encapsulated Iron and Iron Oxides: Magnetic Properties and Reversible Lithium Storage

被引：102

作者：

Wu, Ping

Du, Ning

Zhang, Hui

Yu, Jingxue

Yang, Deren ^{[1
]}

机构：

[1] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2011年 / 115卷 / 09期

基金：

中国博士后科学基金;

关键词：

ONE-POT SYNTHESIS; ION BATTERIES; FE3O4; NANOPARTICLES; ANODE MATERIAL; PROTEIN CAGES; AT-CARBON; NANOTUBES; NANOWIRES; SURFACE; SILICA;

D O I：

10.1021/jp1113653

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This paper reports the synthesis of carbon-encapsulated Fe3O4, gamma-Fe2O3, and Fe nanostructures using FeOOH as a precursor and carbon nanocapsules (CNCs) as nanoreactors via controllable thermal transformation processes. The magnetic property investigation reveals that the as-synthesized Fe3O4-CNCs, gamma-Fe2O3-CNCs, and Fe-C nanostructures all exhibit ferromagnetic behavior with quite high saturation magnetizations. Moreover, the Fe3O4-CNCs with a controlled carbon coating are prepared and their comparative lithium storage properties are investigated. It is found that optimized Fe3O4-CNCs exhibit high capacity and good cycling performance.

引用

收藏

页码：3612 / 3620

页数：9

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