Fabrication of the oriented LiCoO2 sheet using a strong magnetic field

Hideto Yamada; Tohru S. Suzuki; Tetsuo Uchikoshi; Masato Hozumi; Keiichi Kohama; Yoshio Sakka

doi:10.2109/jcersj2.119.701

Fabrication of the oriented LiCoO₂ sheet using a strong magnetic field

Hideto Yamada, Tohru S. Suzuki, Tetsuo Uchikoshi, Masato Hozumi, Keiichi Kohama, Yoshio Sakka

Graduate School of Advanced Science and Engineering

Research output: Contribution to journal › Article

6 Citations (Scopus)

Abstract

LiCoO₂ is a popular positive electrode material for Li-ion secondary batteries. The perpendicular alignment of the interlayer of the LiCoO₂ lattice on the electrode contributes to easy access of Li-ions. In this study, we report the preparation of an oriented LiCoO ₂ sheet using the conventional coating method followed by drying in a maximum 12T strong magnetic field. We discuss the effect of the particle shape and viscosity of the paste on the degree of orientation. As a result, when the sheets are dried in a strong horizontal magnetic field, the electrochemical active planes of the LiCoO₂ are aligned perpendicular to the sheet surface.

Original language	English
Pages (from-to)	701-705
Number of pages	5
Journal	Journal of the Ceramic Society of Japan
Volume	119
Issue number	1393
DOIs	https://doi.org/10.2109/jcersj2.119.701
Publication status	Published - 2011 Sep

Keywords

Anisotropy
Layer structure
Li-ion secondary battery
Orientation
Superconducting magnet

ASJC Scopus subject areas

Ceramics and Composites
Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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Yamada, H., Suzuki, T. S., Uchikoshi, T., Hozumi, M., Kohama, K., & Sakka, Y. (2011). Fabrication of the oriented LiCoO₂ sheet using a strong magnetic field. Journal of the Ceramic Society of Japan, 119(1393), 701-705. https://doi.org/10.2109/jcersj2.119.701

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abstract = "LiCoO2 is a popular positive electrode material for Li-ion secondary batteries. The perpendicular alignment of the interlayer of the LiCoO2 lattice on the electrode contributes to easy access of Li-ions. In this study, we report the preparation of an oriented LiCoO 2 sheet using the conventional coating method followed by drying in a maximum 12T strong magnetic field. We discuss the effect of the particle shape and viscosity of the paste on the degree of orientation. As a result, when the sheets are dried in a strong horizontal magnetic field, the electrochemical active planes of the LiCoO2 are aligned perpendicular to the sheet surface.",

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AU - Suzuki, Tohru S.

AU - Uchikoshi, Tetsuo

AU - Hozumi, Masato

AU - Kohama, Keiichi

AU - Sakka, Yoshio

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