Porous Li4Ti5O12 anode material synthesized by one-step solid state method for electrochemical properties enhancement

被引：36

作者：

Lin, Chih-Yuan ^{[1
]}

Duh, Jenq-Gong ^{[1
]}

机构：

[1] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu, Taiwan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 08期

关键词：

Lithium ion battery; Anode material; Porous Li4Ti5O12; INSERTION MATERIAL; SPINEL LI4TI5O12; LITHIUM; PERFORMANCE; STORAGE; TIO2;

D O I：

10.1016/j.jallcom.2010.12.160

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 porous Li4Ti5O12 anode material was successfully synthesized from mixture of LiCl and TiCl4 with 70 wt% oxalic acid by a modified one-step solid state method. The anode material Li4Ti5O12 exhibited a cubic spinet structure and only one voltage plateau occurred around 1.5 V. The initial capacity of porous Li4Ti5O12 was 167 and 133 mAhg(-1) at 0.5 and 1C charge/discharge rate, respectively, and the capacity retention maintained above 98% after 200 cycles. The porous Li4Ti5O12 structure showed promising rate performance with a capacity of 70 mAh g(-1) at charge/discharge 10C rate after 200 cycles. It was demonstrated that the porous structure could withstand 50C charge/discharge rate and exhibited excellent cycling stability. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：3680 / 3685

页数：6

共 25 条

[21] Electrochemical properties of nano-sized Li4Ti5O12 powders synthesized by a sol-gel process and characterized by X-ray absorption spectroscopy [J].

Venkateswarlu, M ;

Chen, CH ;

Do, JS ;

Lin, CW ;

Chou, TC ;

Hwang, BJ .

JOURNAL OF POWER SOURCES, 2005, 146 (1-2) :204-208

[22] Recent development and application of Li4Ti5O12 as anode material of lithium ion battery [J].

Yi, Ting-Feng ;

Jiang, Li-Juan ;

Shu, J. ;

Yue, Cai-Bo ;

Zhu, Rong-Sun ;

Qiao, Hong-Bin .

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 2010, 71 (09) :1236-1242

[23] Synthesis of spinel Li4Ti5O12 anode material by a modified rheological phase reaction [J].

Yin, S. Y. ;

Song, L. ;

Wang, X. Y. ;

Zhang, M. F. ;

Zhang, K. L. ;

Zhang, Y. X. .

ELECTROCHIMICA ACTA, 2009, 54 (24) :5629-5633

[24] Synthesis of pristine and carbon-coated Li4Ti5O12 and their low-temperature electrochemical performance [J].

Yuan, Tao ;

Yu, Xing ;

Cai, Rui ;

Zhou, Yingke ;

Shao, Zongping .

JOURNAL OF POWER SOURCES, 2010, 195 (15) :4997-5004

[25] Electrochemical study of Li4Ti5O12 as negative electrode for Li-ion polymer rechargeable batteries [J].

Zaghib, K ;

Simoneau, M ;

Armand, M ;

Gauthier, M .

JOURNAL OF POWER SOURCES, 1999, 81 :300-305

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