Charge-discharge properties of a layered-type Li(Ni,Co,Ti)O2 powder library

被引：8

作者：

Fujimoto, Kenjiro ^{[1
]}

Ikezawa, Keita ^{[1
]}

Ito, Shigeru ^{[1
]}

机构：

[1] Tokyo Univ Sci, Fac Sci & Technol, Dept Pure & Appl Chem, Noda, Chiba 2788510, Japan

来源：

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS | 2011年 / 12卷 / 05期

关键词：

combinatorial chemistry; electrostatic spray deposition; lithium-ion secondary battery; layered structure; ELECTROCHEMICAL CHARACTERISTICS; ELECTRODE MATERIALS; BATTERIES; CATHODES; PHASES;

D O I：

10.1088/1468-6996/12/5/054203

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A powder library of layered Li(Ni,Co,Ti)O-2 (Ni <= 0.8, Ti <= 0.2) compounds was prepared by electrostatic spray deposition. From powder x-ray diffraction patterns, most of the powder library sintered at 700 degrees C was indexed as a single phase belonging to the space group R (3) over barm These results were almost identical to those obtained from a study by combinatorial exploration. We investigated the charge-discharge characteristics of the Li(Ni,Co,Ti)O-2 powder library in a voltage range from 4.2 to 2.8V at 1C and found favorable cycling properties in the LiNixCo0.9-xTi0.1O2 (0 <= x <= 0.6) compounds.

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