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Ideal design of textured LiCoO2 sintered electrode for Li-ion secondary battery

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Author(s): Hideto Yamada | Tohru S. Suzuki | Tetsuo Uchikoshi | Masato Hozumi | Toshiya Saito | Yoshio Sakka

Journal: APL Materials
ISSN 2166-532X

Volume: 1;
Issue: 4;
Start page: 042110;
Date: 2013;
Original page

ABSTRACT
To improve the energy density and practical realization of the all-solid-state Li-ion secondary battery, the principal requirement is a high electric conductivity in the densely sintered positive electrode. To accomplish this task, we focused on the anisotropic Li-ion and electron conductivities of the LiCoO2. As a result of our work, the ideal design of the texturing, perpendicular alignment of the c-plane and horizontal but random orientation of the c-axis on the electrode, was proposed. The battery performance of the ideal textured cell fabricated using a rotating strong magnetic field has a significantly higher performance than a randomly oriented cell.
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