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Issue 3, 2020
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High-throughput computational screening for solid-state Li-ion conductors

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Abstract

We present a computational screening of experimental structural repositories for fast Li-ion conductors, with the goal of finding new candidate materials for application as solid-state electrolytes in next-generation batteries. We start from ∼1400 unique Li-containing materials, of which ∼900 are insulators at the level of density-functional theory. For those, we calculate the diffusion coefficient in a highly automated fashion, using extensive molecular dynamics simulations on a potential energy surface (the recently published pinball model) fitted on first-principles forces. The ∼130 most promising candidates are studied with full first-principles molecular dynamics, including an estimate of the activation barrier for the most diffusive structures. The results of the first-principles simulations of the candidate solid-state electrolytes found are discussed in detail.

Graphical abstract: High-throughput computational screening for solid-state Li-ion conductors

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Supplementary files

Article information


Submitted
31 Jul 2019
Accepted
08 Jan 2020
First published
10 Jan 2020

Energy Environ. Sci., 2020,13, 928-948
Article type
Paper

High-throughput computational screening for solid-state Li-ion conductors

L. Kahle, A. Marcolongo and N. Marzari, Energy Environ. Sci., 2020, 13, 928
DOI: 10.1039/C9EE02457C

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