Superior lithium storage properties of α-Fe2O3 nano-assembled spindles

被引：130

作者：

Banerjee, Abhik ^{[1
,2
]}

Aravindan, Vanchiappan ^{[3
]}

Bhatnagar, Sumit ^{[1
,2
]}

Mhamane, Dattakumar ^{[1
,2
]}

Madhavi, Srinivasan ^{[3
,4
]}

Ogale, Satishchandra ^{[1
,2
]}

机构：

[1] Natl Chem Lab CSIR NCL, Ctr Excellence Solar Energy, Pune, Maharashtra, India

[2] CSIR, NISE, New Delhi 110001, India

[3] Nanyang Technol Univ, Energy Res Inst NTU ERI N, Singapore 637553, Singapore

[4] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore

来源：

NANO ENERGY | 2013年 / 2卷 / 05期

基金：

新加坡国家研究基金会;

关键词：

Li-ion battery; Anode; Fe2O3; Metal organic framework; METAL-ORGANIC-FRAMEWORK; NEGATIVE-ELECTRODE MATERIALS; LI-ION; ELECTROCHEMICAL PERFORMANCE; ANODE MATERIAL; BATTERIES; SEPARATION; COMPOSITE;

D O I：

10.1016/j.nanoen.2013.03.006

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：

We report the synthesis and Li-cyclability of alpha-Fe2O3 a nanospindles derived from Fe based metal organic framework (MOF). Presence of phase pure structure and nanospindle morphology is investigated through XRD and SEM/TEM analysis, respectively. Half-cell, Li/a-Fe2O3 delivered reversible capacity of similar to 1024 mA h g(-1) at current density of 100 mA g(-1) and showed excellent cyclability with capacity retention of over 90% after 40 galvanostatic cycles. Further, MOF derived alpha-Fe2O3 nanospindles are capable of delivering good reversible capacity under high current cycling. This clearly reveals that, MOF is one of the unique approaches to yield high performance iron oxide anodes and this approach can be extended to other transition metal oxides to develop high performance electrode materials. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：890 / 896

页数：7

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