Enhancement of the lithium-ion conductivity of LiBH4 by hydration

Akira Takano; Itaru Oikawa; Atsunori Kamegawa; Hitoshi Takamura

doi:10.1016/j.ssi.2015.06.004

Enhancement of the lithium-ion conductivity of LiBH₄ by hydration

Akira Takano, Itaru Oikawa, Atsunori Kamegawa, Hitoshi Takamura

ENG - Materials Science

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

8 Citations (Scopus)

Abstract

Lithium borohydride (LiBH₄) is a candidate material for a solid electrolyte of all-solid-state lithium secondary batteries. In this study, the hydration behavior and influences of hydration on the ionic conductivity of LiBH₄ were investigated. LiBH₄ was found to become hydrated without decomposing; structural water can dehydrate at 55 °C and then rehydrate at around 35 °C. Hydrated LiBH₄ has a high lithium-ion conductivity of 4.89 × 10^{- 4} S.

Original language	English
Pages (from-to)	47-50
Number of pages	4
Journal	Solid State Ionics
Volume	285
DOIs	https://doi.org/10.1016/j.ssi.2015.06.004
Publication status	Published - 2016 Feb 1

Keywords

All-solid-state lithium secondary battery
Hydration
LiBH
Lithium-ion conductor

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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title = "Enhancement of the lithium-ion conductivity of LiBH4 by hydration",

abstract = "Lithium borohydride (LiBH4) is a candidate material for a solid electrolyte of all-solid-state lithium secondary batteries. In this study, the hydration behavior and influences of hydration on the ionic conductivity of LiBH4 were investigated. LiBH4 was found to become hydrated without decomposing; structural water can dehydrate at 55 °C and then rehydrate at around 35 °C. Hydrated LiBH4 has a high lithium-ion conductivity of 4.89 × 10- 4 S.",

keywords = "All-solid-state lithium secondary battery, Hydration, LiBH, Lithium-ion conductor",

author = "Akira Takano and Itaru Oikawa and Atsunori Kamegawa and Hitoshi Takamura",

note = "Funding Information: This work was supported in part by JSPS KAKENHI grant number 26630342 . AT would also appreciate the financial support from the Interdepartmental Doctoral Degree Program for Multi-dimensional Materials Science Leaders in Tohoku University , one of the Leading Graduate School Programs run by the Ministry of Education, Culture, Sports, Science and Technology. ",

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AU - Takano, Akira

AU - Oikawa, Itaru

AU - Kamegawa, Atsunori

AU - Takamura, Hitoshi

N1 - Funding Information: This work was supported in part by JSPS KAKENHI grant number 26630342 . AT would also appreciate the financial support from the Interdepartmental Doctoral Degree Program for Multi-dimensional Materials Science Leaders in Tohoku University , one of the Leading Graduate School Programs run by the Ministry of Education, Culture, Sports, Science and Technology.

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Y1 - 2016/2/1

N2 - Lithium borohydride (LiBH4) is a candidate material for a solid electrolyte of all-solid-state lithium secondary batteries. In this study, the hydration behavior and influences of hydration on the ionic conductivity of LiBH4 were investigated. LiBH4 was found to become hydrated without decomposing; structural water can dehydrate at 55 °C and then rehydrate at around 35 °C. Hydrated LiBH4 has a high lithium-ion conductivity of 4.89 × 10- 4 S.

AB - Lithium borohydride (LiBH4) is a candidate material for a solid electrolyte of all-solid-state lithium secondary batteries. In this study, the hydration behavior and influences of hydration on the ionic conductivity of LiBH4 were investigated. LiBH4 was found to become hydrated without decomposing; structural water can dehydrate at 55 °C and then rehydrate at around 35 °C. Hydrated LiBH4 has a high lithium-ion conductivity of 4.89 × 10- 4 S.

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