Synthesis of LiCoO2 particles with tunable sizes by a urea-based-homogeneous-precipitation method

Author:

Motoyama Munekazu1,Iwasaki Hiroki2,Sakakura Miyuki2,Yamamoto Takayuki2,Iriyama Yasutoshi2

Affiliation:

1. Department of Materials Innovation Engineering, Nagoya University, Furo-cho, Chikusa-ku Nagoya, Aichi , 464-8603 Japan

2. Department of Materials Design Innovation Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi , Japan

Abstract

Abstract This paper reports the synthesis of monodisperse spherical LiCoO2 particles in a wide range of average diameter using a urea-based-uniform-precipitation method. The average diameter of LiCoO2 particles can be varied from 2 to 14 lm with a uniform size distribution. The effective approach to maintain the size uniformity while changing the average size of LiCoO2 particles is to keep the ratio of [CO(NH2)2] to [CoSO4] at 8 even when the CoSO4 and urea concentrations are changed.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Metals and Alloys,Physical and Theoretical Chemistry,Condensed Matter Physics

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