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Nano structure of low crystallinity carbon materials analyzed by using high energy X-ray diffraction

  • Research Article
  • Published:
Central European Journal of Physics

Abstract

In this study, we tried to characterize a kind of low crystallinity carbon materials. The structure of polyparaphenylene(PPP)-based carbon was analyzed by means of high energy X-ray diffraction using the apparatus of SPring-8. The experimental results revealed the existence of basic structural units (BSU) in the highly disordered materials like PPP-based carbon. It is thought that the PPP-based carbons consist of small turbostratic particles, which have a few piled up poly-aromatic layers. The structure of the PPP-based carbon which seemed to be amorphous was estimated to have hexagonal carbon layers with the size of up to 1 nm. The pores in the PPP-based carbon seem to be clearances formed among the BSUs and amorphous carbon. The pore size of PPP-based carbon was estimated from the result of N2 absorption measurement. The experimental results suggested that the lithium ion charge mechanism in the PPP-based carbon differs from that in graphite.

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Authors and Affiliations

  1. Nagano national College of Technology, 716 Tokuma, 381-8550, Nagano, Japan

    Kyoichi Oshida, Tatsuo Nakazawa & Kozo Osawa

  2. Shinshu University, 4-17-1 Wakasato, 380-8553, Nagano, Japan

    Morinobu Endo

Authors
  1. Kyoichi Oshida
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  2. Tatsuo Nakazawa
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  3. Kozo Osawa
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  4. Morinobu Endo
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Corresponding author

Correspondence to Kyoichi Oshida.

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Oshida, K., Nakazawa, T., Osawa, K. et al. Nano structure of low crystallinity carbon materials analyzed by using high energy X-ray diffraction. centr.eur.j.phys. 7, 232–236 (2009). https://doi.org/10.2478/s11534-009-0028-6

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  • DOI: https://doi.org/10.2478/s11534-009-0028-6

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