ELECTROSPUN LIMN2O4 NANOFIBERS AS CATHODE FOR LITHIUM ION BATTERIES

被引：0

作者：

Zhao, Xuan ^{[1
,2
]}

Reddy, M. V. ^{[3
]}

Ramakrishna, S. ^{[2
]}

Mahishalkar, S. ^{[1
]}

Chowdari, B. V. R. ^{[3
]}

机构：

[1] Nanyang Technol Univ, Sch Mat Sci & Engn, 50 Nanyang Ave, Singapore 639798, Singapore

[2] Natl Univ Singapore, NUSNNI, Singapore 117576, Singapore

[3] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore

来源：

Solid State Ionics: Ionics for Sustainable World | 2013年

关键词：

LiMn2O4: Electrospinning; Cathode; electrochemical properties; POSITIVE-ELECTRODE; SPINEL; TEMPERATURE; PERFORMANCE;

D O I：

暂无

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：

LiMn2O4 compound was prepared by electrospinning method at a low synthesis temperature of 600 degrees C for 3 hours. X-ray diffraction (XRD) analysis proved the electrospun LiMn2O4 possesses a spinel structure. Scanning Electron Microscopy (SEM) images showed the LiMn2O4 short fibers like morphology, with a length of 3-5 mu m and a diameter of 150-350 nm. The electrochemical properties of LiMn2O4 nanofibers were reported for the first time in this study. The Cyclic Voltammograms (CV) showed the characteristic two-step redox peaks at 3.9/4.1 and 4.1/4.2 V vs. Li, which are typical peaks of LiMn2O4. Galvanostatic cycling studies in the range 3.5 to 4.3 V vs. Li showed that the LiMn2O4 nanofibers can deliver a discharge capacity of 94 mAh g(-1) at 1C rate (1C= 120 mA g(-1)).

引用

页码：3 / 9

页数：7

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