Effect of alcohol addition on the microstructure of olivine material by hydrothermal synthesis

被引：0

作者：

Togo M. ^{[1
]}

Nakahira A. ^{[1
]}

机构：

[1] Dept. Materials Science, Graduate School of Osaka Prefecture University, Gakuen-cho, Nakaku, Sakai

来源：

Nakahira, Atsushi (nakahira@mtr.osakafu-u.ac.jp) | 1600年 / Journal of the Japan Society of Powder and Powder Metallurgy, 15 Morimoto-cho Shimogamo, Sakyo-Ku Kyoto, Japan卷 / 64期

关键词：

Hydrothermal reaction; Lithium ion battery; Microstructure; Olivine;

D O I：

10.2497/jjspm.64.423

中图分类号：

学科分类号：

摘要：

Olivine materials, well-known as a Co-free cathode materials for lithium ion battery, were synthesized by the hydrothermal reaction with the addition of various alcohols in order to control their microstructure. As-synthesized olivine products were characterized by XRD, SEM observation, particle size distribution analysis, and TG-DTA analysis. For olivine products synthesized without alcohol addition, the microstructure was the mixture of plate-like particles and fine particles .On the other hand in case hydrothermal synthesis with ethanol as a solvent into H2O, obtained products had the microstructure of submicron-sized spheres composed of 10∼50 nm nanoparticles In additions synthesized with an alcohol consisted of finer and uniformly sized particle it was found that the particle size, size distribution and microstructure depended on the kinds of alcohol. Furthermore, TG analysis results showed that the adsorption water of the products synthesized with an alcohol addition was less than that with no alcohol.

引用

页码：423 / 427

页数：4

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