On the possibility of polystyrene-derived carbon coating for NASICON-type Na3V2(PO4)3 composites as cathode materials for sodium-ion batteries

Dai Okada; Takumi Fugane; Yuka Matsumoto; Takuya Hasegawa; Atsushi Itadani; Kazuyoshi Uematsu; Kenji Toda; Hideki Hashimoto; Jun Takada; Mineo Sato

doi:10.2109/jcersj2.16266

On the possibility of polystyrene-derived carbon coating for NASICON-type Na₃V₂(PO₄)₃ composites as cathode materials for sodium-ion batteries

Dai Okada, Takumi Fugane, Yuka Matsumoto, Takuya Hasegawa, Atsushi Itadani, Kazuyoshi Uematsu, Kenji Toda, Hideki Hashimoto, Jun Takada, Mineo Sato

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

We here prepared polystyrene-derived carbon-coated Na₃V₂(PO₄)₃ composite (NVP/C) cathode materials via a solid-phase reaction using a mixture of NVP precursor and polystyrene (as the carbon source), followed by calcination at high temperatures. Using this method, we were able to obtain active NVP materials with relatively high purity while allowing a uniform surface coating with carbon layers about 3-4 nm thick. This structure significantly prevented NVP particle growth even after calcination at high temperatures. The NVP/C material calcined at 700°C exhibited the best charge-discharge performance among the samples studied.

Original language	English
Pages (from-to)	322-325
Number of pages	4
Journal	Journal of the Ceramic Society of Japan
Volume	125
Issue number	4
DOIs	https://doi.org/10.2109/jcersj2.16266
Publication status	Published - Apr 2017

Keywords

Carbon-coating method
NASICON compounds
Polystyrene
Sodium-ion secondary battery
Solid state reaction

ASJC Scopus subject areas

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

Access to Document

10.2109/jcersj2.16266

Cite this

Okada, D., Fugane, T., Matsumoto, Y., Hasegawa, T., Itadani, A., Uematsu, K., Toda, K., Hashimoto, H., Takada, J., & Sato, M. (2017). On the possibility of polystyrene-derived carbon coating for NASICON-type Na₃V₂(PO₄)₃ composites as cathode materials for sodium-ion batteries. Journal of the Ceramic Society of Japan, 125(4), 322-325. https://doi.org/10.2109/jcersj2.16266

Okada, D, Fugane, T, Matsumoto, Y, Hasegawa, T, Itadani, A, Uematsu, K, Toda, K, Hashimoto, H, Takada, J & Sato, M 2017, 'On the possibility of polystyrene-derived carbon coating for NASICON-type Na₃V₂(PO₄)₃ composites as cathode materials for sodium-ion batteries', Journal of the Ceramic Society of Japan, vol. 125, no. 4, pp. 322-325. https://doi.org/10.2109/jcersj2.16266

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abstract = "We here prepared polystyrene-derived carbon-coated Na3V2(PO4)3 composite (NVP/C) cathode materials via a solid-phase reaction using a mixture of NVP precursor and polystyrene (as the carbon source), followed by calcination at high temperatures. Using this method, we were able to obtain active NVP materials with relatively high purity while allowing a uniform surface coating with carbon layers about 3-4 nm thick. This structure significantly prevented NVP particle growth even after calcination at high temperatures. The NVP/C material calcined at 700°C exhibited the best charge-discharge performance among the samples studied.",

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AU - Hasegawa, Takuya

AU - Itadani, Atsushi

AU - Uematsu, Kazuyoshi

AU - Toda, Kenji

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AU - Takada, Jun

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