Carbon-Encapsulated Metal Oxide Hollow Nanoparticles and Metal Oxide Hollow Nanoparticles: A General Synthesis Strategy and Its Application to Lithium-Ion Batteries

被引：138

作者：

Zhou, Jisheng ^{[1
]}

Song, Huaihe ^{[1
]}

Chen, Xiaohong ^{[1
]}

Zhi, Linjie ^{[2
]}

Yang, Shubin ^{[1
]}

Huo, Junping ^{[1
]}

Yang, Wantai ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China

[2] Max Planck Inst Polymer Res, D-55128 Mainz, Germany

来源：

CHEMISTRY OF MATERIALS | 2009年 / 21卷 / 13期

基金：

中国国家自然科学基金;

关键词：

SIZED FE2O3-LOADED CARBON; TEMPLATE-FREE SYNTHESIS; LARGE-SCALE SYNTHESIS; ANODE MATERIAL; ELECTROCHEMICAL PERFORMANCE; IRON NANOPARTICLES; GAS SENSORS; SPHERES; SNO2; NANOSTRUCTURES;

D O I：

10.1021/cm9006266

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：

A novel and general strategy for the synthesis of carbon-encapsulated metal oxide hollow nanoparticles (HNPs) and pure metal oxide HNPs Was developed from carbon-encapsulated metal nanoparticles by controlled oxidation in the air. The materials were characterized by transmission electron microscopy, scanning electron microscopy, and X-ray diffraction measurements. It was found that the morphologies and compositions of HNPs were easily tailored through adjustment of the oxidation conditions. When used as the anode materials for lithium-ion batteries, carbon-encapsulated alpha-Fe2O3 HNPs exhibit excellent cycling performance and a higher reversible capacity of about 700 mA h g(-1) after the 60th cycle and possess great potential application in lithium-ion batteries.

引用

页码：2935 / 2940

页数：6

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