Work

Lithium superionic conduction in lithium borohydride accompanied by structural transition

Year: 2007

Type: article

Abstract: The electrical conductivity of lithium borohydride (LiBH4) measured by the ac complex impedance method jumped by three orders of magnitude due to structural transition from orthorhombic to hexagonal at approximately 390K. The hexagonal phase exhibited a high electrical conductivity of the order of 10−3Scm−1. Furthermore, the conductivity calculated from the Nernst-Einstein equation using the correlation time obtained from Li7 nuclear magnetic resonance was in good agreement with the measured electrical conductivity. It was concluded that the electrical conductivity in the hexagonal phase is due to the Li superionic conduction.

Source: Applied Physics Letters

DOI: 10.1063/1.2817934

Authors: Motoaki Matsuo, Yuko Nakamori, Shin-ichi Orimo, Hideki Maekawa, Hitoshi Takamura

Institutions: Tohoku University, Institute for Materials Research, Tohoku University

Language: English

Topic: Advanced Battery Materials and Technologies

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: green

Funder: Japan Society for the Promotion of Science

Award: Function Designing Map of B-H Complex Hydrides-From Fundamental Properties To Energy-Related Functions-