中性子散乱による二次電池材料中の構造乱れの研究

  • 佐久間 隆
    茨城大学大学院理工学研究科応用粒子線科学専攻
  • 檜山 祐二
    茨城大学大学院理工学研究科応用粒子線科学専攻

書誌事項

タイトル別名
  • Structure and Disorder of Li-ion Rechargeable Battery by Neutron Scattering Measurement
  • チュウセイシ サンラン ニ ヨル ニジ デンチ ザイリョウ チュウ ノ コウゾウ ミダレ ノ ケンキュウ

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抄録

Li-ion rechargeable battery is one of the most desirable energy sources for electric vehicles, handy phone and other electric articles for daily use. The structure and disorder of the ion conductors are discussed by neutron scattering measurement. Typical structures of cathode, electrolyte and anode materials of Li-ion rechargeable battery are summarized first. The effect of isotope replacement in cathode material by neutron diffraction measurement is introduced. Static and dynamic disorders in materials are investigated from the analysis of diffuse scattering intensity. The correlation effects among thermal displacements of atoms are applied to estimate the force constants, phonon dispersion relations and specific heat. Neutron elastic and inelastic scattering method is very important to clarify the mechanism of the dynamics of ions.

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