Spinel lithium titanate (Li4Ti5O12) as novel anode material for room-temperature sodium-ion battery

被引：132

作者：

Zhao Liang ^{[1
]}

Pan Hui-Lin ^{[1
]}

Hu Yong-Sheng ^{[1
]}

Li Hong ^{[1
]}

Chen Li-Quan ^{[1
]}

机构：

[1] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China

来源：

CHINESE PHYSICS B | 2012年 / 21卷 / 02期

基金：

中国国家自然科学基金; 国家高技术研究发展计划(863计划);

关键词：

spinel; lithium titanate; Li4Ti5O12; sodium-ion battery; INSERTION; CARBON; ELECTRODE; 2-PHASE;

D O I：

10.1088/1674-1056/21/2/028201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

This is the first time that a novel anode material, spinel Li4Ti5O12 which is well known as a "zero-strain" anode material for lithium storage, has been introduced for sodium-ion battery. The Li4Ti5O12 shows an average Na storage voltage of about 1.0 V and a reversible capacity of about 145 mAh/g, thereby making it a promising anode for sodium-ion battery. Ex-situ X-ray diffraction (XRD) is used to investigate the structure change in the Na insertion/deinsertion process. Based on this, a possible Na storage mechanism is proposed.

引用

页数：4

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