Enhanced electrical conductivities of complex hydrides Li 2(BH4)(NH2) and Li4(BH 4)(NH2)3by melting

Yu Zhou; Motoaki Matsuo; Yonei Miura; Hitoshi Takamura; Hideki Maekawa; Arndt Remhof; Andreas Borgschulte; Andreas Züttel; Toshiya Otomo; Shin Ichi Orimo

doi:10.2320/matertrans.MA201003

Enhanced electrical conductivities of complex hydrides Li ₂(BH₄)(NH₂) and Li₄(BH ₄)(NH₂)₃by melting

Yu Zhou, Motoaki Matsuo, Yonei Miura, Hitoshi Takamura, Hideki Maekawa, Arndt Remhof, Andreas Borgschulte, Andreas Züttel, Toshiya Otomo, Shin Ichi Orimo

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

13 Citations (Scopus)

Abstract

The electrical conductivities of complex hydrides Li₂(BH ₄)(NH₂) and Li₄(BH₄)(NH ₂)₃ consisting of (BH₄)^- and (NH₂)^- anions are investigated focusing on their low melting temperatures (365 K for Li₂(BH₄)(NH₂) and 490K for Li₄(BH₄)(NH₂)₃). The two hydrides show lithium fast-ion conductivities of about 1 × 10 ^-4 S·cm^-1 at room temperature. After melting, the total ion conductivities OfLi2(BH4)(NH2) and Li₄ (BH ₄)(NH₂)₃ reach 6 × 10^-2 S·cm^-1 (378 K) and 2 x 10^-1 S·cm ^-1 (513 K), respectively. The crystal structure and local atomistic structures closely correlated with the lithium ion conduction before and after melting are also discussed.

Original language	English
Pages (from-to)	654-657
Number of pages	4
Journal	Materials Transactions
Volume	52
Issue number	4
DOIs	https://doi.org/10.2320/matertrans.MA201003
Publication status	Published - 2011 Apr

Keywords

Complex hydride
Lithium ion conduction
Melting

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Access to Document

10.2320/matertrans.MA201003

Cite this

Enhanced electrical conductivities of complex hydrides Li ₂(BH₄)(NH₂) and Li₄(BH ₄)(NH₂)₃by melting. / Zhou, Yu; Matsuo, Motoaki; Miura, Yonei; Takamura, Hitoshi; Maekawa, Hideki; Remhof, Arndt; Borgschulte, Andreas; Züttel, Andreas; Otomo, Toshiya; Orimo, Shin Ichi.

In: Materials Transactions, Vol. 52, No. 4, 04.2011, p. 654-657.

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

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abstract = "The electrical conductivities of complex hydrides Li2(BH 4)(NH2) and Li4(BH4)(NH 2)3 consisting of (BH4)- and (NH2)- anions are investigated focusing on their low melting temperatures (365 K for Li2(BH4)(NH2) and 490K for Li4(BH4)(NH2)3). The two hydrides show lithium fast-ion conductivities of about 1 × 10 -4 S·cm-1 at room temperature. After melting, the total ion conductivities OfLi2(BH4)(NH2) and Li4 (BH 4)(NH2)3 reach 6 × 10-2 S·cm-1 (378 K) and 2 x 10-1 S·cm -1 (513 K), respectively. The crystal structure and local atomistic structures closely correlated with the lithium ion conduction before and after melting are also discussed.",

keywords = "Complex hydride, Lithium ion conduction, Melting",

author = "Yu Zhou and Motoaki Matsuo and Yonei Miura and Hitoshi Takamura and Hideki Maekawa and Arndt Remhof and Andreas Borgschulte and Andreas Z{\"u}ttel and Toshiya Otomo and Orimo, {Shin Ichi}",

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AU - Zhou, Yu

AU - Matsuo, Motoaki

AU - Miura, Yonei

AU - Takamura, Hitoshi

AU - Maekawa, Hideki

AU - Remhof, Arndt

AU - Borgschulte, Andreas

AU - Züttel, Andreas

AU - Otomo, Toshiya

AU - Orimo, Shin Ichi

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N2 - The electrical conductivities of complex hydrides Li2(BH 4)(NH2) and Li4(BH4)(NH 2)3 consisting of (BH4)- and (NH2)- anions are investigated focusing on their low melting temperatures (365 K for Li2(BH4)(NH2) and 490K for Li4(BH4)(NH2)3). The two hydrides show lithium fast-ion conductivities of about 1 × 10 -4 S·cm-1 at room temperature. After melting, the total ion conductivities OfLi2(BH4)(NH2) and Li4 (BH 4)(NH2)3 reach 6 × 10-2 S·cm-1 (378 K) and 2 x 10-1 S·cm -1 (513 K), respectively. The crystal structure and local atomistic structures closely correlated with the lithium ion conduction before and after melting are also discussed.

AB - The electrical conductivities of complex hydrides Li2(BH 4)(NH2) and Li4(BH4)(NH 2)3 consisting of (BH4)- and (NH2)- anions are investigated focusing on their low melting temperatures (365 K for Li2(BH4)(NH2) and 490K for Li4(BH4)(NH2)3). The two hydrides show lithium fast-ion conductivities of about 1 × 10 -4 S·cm-1 at room temperature. After melting, the total ion conductivities OfLi2(BH4)(NH2) and Li4 (BH 4)(NH2)3 reach 6 × 10-2 S·cm-1 (378 K) and 2 x 10-1 S·cm -1 (513 K), respectively. The crystal structure and local atomistic structures closely correlated with the lithium ion conduction before and after melting are also discussed.

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