Sodium ionic conduction in complex hydrides with [BH 4] - and [NH 2] - anions

Motoaki Matsuo, Shingo Kuromoto, Toyoto Sato, Hiroyuki Oguchi, Hitoshi Takamura, Shin Ichi Orimo

研究成果: Article査読

53 被引用数 (Scopus)

抄録

We report the experimental results of structural and sodium ionic conductive properties of the Na(BH 4)-Na(NH 2)-NaI system. Na(BH 4) 0.5(NH 2) 0.5 with [BH 4] - and [NH 2] - complex anions formed by combining Na(BH 4) and Na(NH 2) complex hydrides shows the most superior sodium ionic conductivity of 2 × 10 -6 S/cm at 300 K because of the specific antiperovskite-type structure with vacancies in the Na + site Furthermore, Na(BH 4) 0.5(NH 2) 0.5 shows a high electrochemical stability of at least 6 V (vs Na +/Na). The result suggests that Na(BH 4) 0.5(NH 2) 0.5 could be a potential candidate for solid electrolyte.

本文言語English
論文番号203904
ジャーナルApplied Physics Letters
100
20
DOI
出版ステータスPublished - 2012 5月 14
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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