What question did this study set out to answer?

This research aims to investigate the effects of halide substitution on ionic conductivity and lithium-metal compatibility in Li3PS4.

April 29, 2026Open Access

Anion-sublattice engineering of Li 3 PS 4 :Br and I incorporation enhances ionic conductivity and Li-metal compatibility

Key Points

This research aims to investigate the effects of halide substitution on ionic conductivity and lithium-metal compatibility in Li3PS4.
Used Br- and I- substitution in Li3PS4 to create local anion disorder.
Analyzed changes in lithium coordination and migration barriers.
Evaluated the resulting glassy phase for lithium-metal compatibility and battery performance.
Br- and I- substitution lowered migration barriers, improving ionic conductivity.
Enhanced battery performance due to better lithium-metal compatibility was observed.
Local anion disorder diversified Li+ coordination.

Abstract

Halide (Br − , I − ) substitution in Li 3 PS 4 creates local anion disorder, diversifies Li + coordination, and lowers migration barriers for fast-ion conduction. The resulting glassy phase enhances Li metal compatibility and enhances battery performance.

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Cite This Study

Poudel et al. (Thu,) studied this question.

synapsesocial.com/papers/69f1a033edf4b46824806ded https://doi.org/https://doi.org/10.1039/d6sc00740f

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