A systematic study on the synthesis of α-Fe2O3 multi-shelled hollow spheres

被引：42

作者：

Padashbarmchi, Zahra ^{[1
,2
]}

Hamidian, Amir Hossein ^{[1
]}

Zhang, Hongwei ^{[2
]}

Zhou, Liang ^{[2
]}

Khorasani, Nematolah ^{[1
]}

Kazemzad, Mahmood ^{[3
]}

Yu, Chengzhong ^{[2
]}

机构：

[1] Univ Tehran, Fac Nat Resources, Dept Environm Sci, Karaj, Iran

[2] Univ Queensland, Australian Inst Bioengn & Nanotechnol, Brisbane, Qld 4072, Australia

[3] Mat & Energy Res Ctr, Dept Energy, Tehran, Iran

来源：

RSC ADVANCES | 2015年 / 5卷 / 14期

基金：

澳大利亚研究理事会;

关键词：

LITHIUM STORAGE; ANODE MATERIAL; ACCURATE CONTROL; MICROSPHERES; PERFORMANCE; NANOTUBES; CAPACITY; NANORODS;

D O I：

10.1039/c4ra13790f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Hematite (alpha-Fe2O3) multi-shelled hollow spheres (MSHSs) have been prepared by a facile spray drying method using iron(III) citrate and sucrose as the precursors. The sucrose/iron(III) citrate ratio plays an important role in the morphology of the products. Well-defined MSHSs can be obtained in a wide sucrose/iron(III) citrate ratio of 0.25-1.5. The application of alpha-Fe2O3 MSHSs in lithium storage has been demonstrated. When used as the anode material for lithium-ion batteries, the alpha-Fe2O3 MSHSs exhibit a high reversible capacity of 979 mA h g(-1), maintaining 861 mA h g(-1) after 50 cycles.

引用

页码：10304 / 10309

页数：6

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