Boosting Lithium-Ion Transport in Halide Solid-State Electrolytes by Aliovalent Substitution for All-Solid-State Lithium-Ion Batteries

Suyue Chen; Meiling Liu; Zhihao Yang; Yaxue Zhang; Jiaxing Liu; Weiying Wu; Tieqi Huang; Hongtao Liu

doi:10.1039/d5cc02859k

January 1, 2025Chemical Communications

Boosting Lithium-Ion Transport in Halide Solid-State Electrolytes by Aliovalent Substitution for All-Solid-State Lithium-Ion Batteries

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Key Points

The optimized Li1.8Zr0.8Nb0.2Cl6 achieves ionic conductivity twice that of Li2ZrCl6, enhancing battery performance.
The aliovalent substitution strategy generates lithium vacancies that expand migration channels, reducing energy barriers.
Stable cycling is realized in all-solid-state lithium-ion batteries, showcasing the effectiveness of the new electrolyte composition.
This work suggests potential for high-performance solid-state batteries using tailored halide electrolytes.

Implication

Novel aliovalent substitution boosts ionic conductivity in solid-state lithium-ion batteries, indicating improved performance.

Abstract

We report a novel chemical aliovalent substitution strategy that induces lithium vacancy generation, expands 3D Li+ migration channels, and reduces activation energy. The optimized composition Li1.8Zr0.8Nb0.2Cl6 achieves a room-temperature ionic conductivity twice higher than that of pristine Li2ZrCl6, realizing stable cycling in all-solid-state lithium-ion batteries.

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Cite This Study

Chen et al. (2025) studied this question.

synapsesocial.com/papers/68c1a40954b1d3bfb60de97e https://doi.org/10.1039/d5cc02859k

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Boosting Lithium-Ion Transport in Halide Solid-State Electrolytes by Aliovalent Substitution for All-Solid-State Lithium-Ion Batteries

Key Points

Implication

Abstract

Discussion

Cite This Study

Boosting Lithium-Ion Transport in Halide Solid-State Electrolytes by Aliovalent Substitution for All-Solid-State Lithium-Ion Batteries

Key Points

Implication

Abstract

Discussion

Cite This Study

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