Synthesis and electrochemical properties of α-Fe2O3 porous microrods as anode for lithium-ion batteries

被引：22
作者：
Yao, Shaowei [1 ,2 ]
Shi, Zhiqiang [1 ]
Zhang, Xingxiang [1 ]
机构：
[1] Tianjin Polytech Univ, Sch Mat Sci & Engn, Tianjin Municipal Key Lab Adv Fiber & Energy Stor, Tianjin 300387, Peoples R China
[2] North China Univ Sci & Technol, Key Lab Inorgan Mat Hebei Prov, Coll Mat Sci & Engn, Tangshan 063210, Hebei, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 794卷
基金：
美国国家科学基金会;
关键词：
Lithium-ion batteries; alpha-Fe2O3; microrods; Calcination temperature; Electrochemical performance; HOLLOW MICROSPHERES; FE2O3; NANOTUBES; PERFORMANCE; STORAGE; CARBON; NANOSTRUCTURES; NANOCOMPOSITES; CAPACITY; CATHODES; NITROGEN;
D O I：
10.1016/j.jallcom.2019.04.298
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 new alpha-Fe2O3 porous microrods using as an anode for lithium-ion batteries (LIBs) were prepared by a facile hydrothermal reaction and heat treatment at different temperature. The effect of calcination temperature on the structure, morphology and electrochemical performance of alpha-Fe2O3 microrods anode materials has been systematically investigated. The results demonstrate that the calcination temperature can affect mesoporous distribution and the primary particle size of alpha-Fe2O3 microrods and then affect the electrochemical performance. The alpha-Fe2O3 microrods calcined at 700 degrees C (F700) outperformed other samples in terms of reversible capacity, cyclability, and rate capability. F700 exhibits excellent reversible capacity of 1083 mAh g(-1) in the first cycle and 733 mAh g(-1) after 100 cycles at 100 mA g(-1) in the range of 0.01-2.5 V. Therefore, alpha-Fe2O3 microrods can be one promising anode materials for LIBs. (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码：333 / 340
页数：8
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