Tailoring Ion Transport in Li<sub>3-3y</sub>Ho<sub>1+y</sub>Cl<sub>6-x</sub>Br<sub>x</sub> via Transition-Metal Free Structural Planes and Charge Carrier Distribution.
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ABSTRACT: Localized atomistic disorder in halide-based solid electrolytes (SEs) can be leveraged to boost Li+ mobility. In this study, Li+ transport in structurally modified Li3HoCl6, via Br- introduction and Li+ deficiency, is explored. The optimized Li3-3 yHo1+ yCl6- xBrx achieves an ionic conductivity of 3.8 mS cm-1 at 25 °C, the highest reported for holmium halide materials. 6,7Li nuclear magnetic resonance and relaxometry investigations unveil enhanced ion dynamics with bromination, attaining a Li+ motional rate neighboring 116 MHz. X-ray diffraction analyses reveal mixed-anion-induced phase transitions with disproportion
SUBMITTER: Ogbolu BO
PROVIDER: S-EPMC11831455 | biostudies-literature | 2025 Feb
REPOSITORIES: biostudies-literature
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