Issue 40, 2017

Half-metallic TiF3: a potential anode material for Li-ion spin batteries

Abstract

As a key component of spintronic devices, spin batteries that can generate spin-polarized current are drawing increasing interests. Herein, we propose a simple strategy for spin batteries by introducing a half-metallic anode material in the conventional Li-ion batteries. Using first-principles calculations, we demonstrate a potential half-metallic anode material, TiF3 crystal, which has stable ferromagnetism and half-metallicity under Li insertion. Low Li diffusion barriers (0.16ā€“0.37 eV) and moderate Li storage capacity (256 mA h gāˆ’1) are revealed in the TiF3 crystal. The combination of half-metals and Li-ion battery offers a new solution for spin batteries.

Graphical abstract: Half-metallic TiF3: a potential anode material for Li-ion spin batteries

Article information

Article type
Paper
Submitted
11 Aug 2017
Accepted
17 Sep 2017
First published
18 Sep 2017

J. Mater. Chem. A, 2017,5, 21486-21490

Half-metallic TiF3: a potential anode material for Li-ion spin batteries

J. Wang, F. Li, B. Yang, X. Liu and M. Zhao, J. Mater. Chem. A, 2017, 5, 21486 DOI: 10.1039/C7TA07092F

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