Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报

ZHONGGUO YOUSEJINSHU XUEBAO

第24卷    第6期    总第183期    2014年6月

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文章编号:1004-0609(2014)06-1474-12
超胞材料β-Li2TiO3的结构、制备及应用
于成龙1, 2,高丹鹏1,王 斐3,郝 欣4,Kazumichi YANAGISAWA2, Sumio KAMIYA5, Takahiro KOZAWA6

(1. 陕西科技大学 材料科学与工程学院,西安 710021;
2. 高知大学 理学院 附属水热化学研究所,高知 780-8520;
3. 重庆理工大学 材料科学与工程学院,重庆 400054;
4. 陕西科技大学 管理学院,西安 710021;
5. 丰田汽车公司,爱知 471-8572;
6. 大阪大学 焊接研究所,大阪 567-0047
)

摘 要: 综述近几年国内外有关β-Li2TiO3材料的结构、制备方法以及应用的研究进展。详细阐述β-Li2TiO3材料的超胞结构,讨论可能存在的点缺陷,研究不同点缺陷对其超胞结构发育的影响;通过比较固相法、溶胶-凝胶法、燃烧合成法和水热合成法等制备β-Li2TiO3粉体的典型方法,指出关键在于改善湿化学工艺方法,使能获得超细粉体且保证超胞发育良好。分析β-Li2TiO3材料在氚增殖剂、锂离子电池、发光材料和微波介质材料等领域的重要应用。

 

关键字: β-Li2TiO3;超胞结构;缺陷;固相法;湿化学法;应用

Supercell structure, preparation and applications of β-Li2TiO3
YU Cheng-long1, 2, GAO Dan-peng1, WANG Fei3, HAO Xin4, Kazumichi YANAGISAWA2, Sumio KAMIYA5, Takahiro KOZAWA6

1. School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China;
2. Research Laboratory of Hydrothermal Chemistry, Faculty of Science, Kochi University, Kochi 780-8520, Japan;
3. College of Materials Science and Engineering, Chongqing University of Technology, Chongqing 400054, China;
4. School of Management, Shaanxi University of Science and Technology, Xi’an 710021, China;
5. Toyota Motor Corporation, Aichi 471-8572, Japan;
6. Joining and Welding Research Institute, Osaka University, Osaka 567-0047, Japan

Abstract:Domestic and international development of the structure, preparation methods, and applications of β-Li2TiO3 was summarized. The supercell structure and the possible point defects in β-Li2TiO3 were discussed. Besides, the effect of point defects on the supercell structure evolution was investigated. Several typical preparation methods, including the solid state synthesis method, the sol-gel method, the combustion method, and the hydrothermal method, were compared. It is suggested that attention should be paid to the improvement of the wet chemical methods, in order to obtain fine particles with well-developed supercell structure. Some important applications of β-Li2TiO3 as in the tritium breeders, lithium ion battery, luminescent materials, and microwave dielectric materials were analyzed in details.

 

Key words: β-Li2TiO3; supercell structure; defect; solid state method; wet chemical method; application

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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