Synthesis and lithium fast-ion conductivity of a new complex hydride Li3(NH2)2I with double-layered structure

Motoaki Matsuo, Toyoto Sato, Yohei Miura, Hiroyuki Oguchi, Yu Zhou, Hideki Maekawa, Hitoshi Takamura, Shin Ichi Orimo

研究成果: Article査読

35 被引用数 (Scopus)

抄録

We have succeeded in synthesizing the new complex hydride Li 3(NH2)2I exhibiting lithium fast-ion conductivity. Structural analysis based on high-resolutionsynchrotron X-ray diffraction shows that Li3(NH3)eI has the characteristic double-layered structure with a = 7.09109(5) Å, c=11.50958(10)Å, the space group P63mc (hexagonal), and Z = 4. Because of the characteristic structure, Li3(NH2) 2I exhibits fast-ion conductivity of 1 × 10-5 S/cm at 296 K with a lithium ion transport number of almost unity, although the conductivities of the host materials Li(NH2) (3 × 10-9 S/cm) and LiI (3 × 10-8 S/cm) are very low.

本文言語English
ページ(範囲)2702-2704
ページ数3
ジャーナルChemistry of Materials
22
9
DOI
出版ステータスPublished - 2010 5月 11
外部発表はい

ASJC Scopus subject areas

  • 化学 (全般)
  • 化学工学(全般)
  • 材料化学

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