Spindle-like Mesoporous α-Fe2O3 Anode Material Prepared from MOF Template for High-Rate Lithium Batteries

被引：831
作者：
Xu, Xiaodong [1 ]
Cao, Ruiguo [1 ]
Jeong, Sookyung [1 ]
Cho, Jaephil [1 ]
机构：
[1] Ulsan Natl Inst Sci and Technol, Interdisciplinary Sch Green Energy, Ulsan 689798, South Korea
来源：
NANO LETTERS | 2012年 / 12卷 / 09期
关键词：
Metal organic framework; alpha-Fe2O3; anode material; lithium ion batteries; ELECTROCHEMICAL PERFORMANCE; HYDROGEN STORAGE; NANOTUBES; CARBON; COMPOSITE; POROSITY; SPHERES;
D O I：
10.1021/nl302618s
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Spindle-like porous alpha-Fe2O3 was prepared from an iron-based metal organic framework (MOF) template. When tested as anode material for lithium batteries (LBs), this spindle-like porous alpha-Fe2O3 shows greatly enhanced performance of Li storage. The particle with a length and width of similar to 0.8 and similar to 0.4 mu m, respectively, was composed of clustered Fe2O3 nanoparticles with sizes of <20 nm. The capacity of the porous alpha-Fe2O3 retained 911 mAh g(-1) after 50 cycles at a rate of 0.2 C. Even when cycled at 10 C, comparable capacity of 424 mAh g(-1) could be achieved.
引用
收藏
页码：4988 / 4991
页数：4
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