Mg ion dynamics in anode materials of Sn and Bi for Mg-ion batteries

Jin, Wei, Li, Zhijie, Wang, Zhiguo and Fu, Yong Qing (2016) Mg ion dynamics in anode materials of Sn and Bi for Mg-ion batteries. Materials Chemistry and Physics, 182. pp. 167-172. ISSN 0254-0584

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Official URL: http://dx.doi.org/10.1016/j.matchemphys.2016.07.01...

Abstract

Based on density functional theory computation, we systematically investigated diffusion behavior of Mg ions in β-tin (Sn), bismuth (Bi), and their magnesiation compounds of Bi2Mg3 and Mg2Sn. Results showed that the β-Sn and Bi are good candidates for the anode materials for Mg ion batteries with small diffusion barriers. The dynamic simulations and the obtained energy barriers showed that compared with β-Sn, Bi is a better anode candidate with fast charge/discharge rates for the Mg ion batteries.

Item Type: Article
Uncontrolled Keywords: Diffusion; Alloys; Ab initio calculations; Molecular dynamics
Subjects: F200 Materials Science
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 09 Dec 2016 15:00
Last Modified: 07 Sep 2017 09:15
URI: http://nrl.northumbria.ac.uk/id/eprint/28851

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