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🔋 Hard‐Acid High‐Entropy Stabilized Chloride Octahedra for Halide Solid Electrolytes at High‐Voltage of 4.8 V

📝 الکترولیت هالیدی آنتروپی‌بالای اسید سخت، اکتاهدرهای M-Cl را تثبیت کرده و باتری تمام‌حالت‌جامد را در ۴٫۸ ولت با حفظ ۸۰٪ ظرفیت پس از ۱۴۰۰ چرخه پایدار می‌کند.

📚 Journal: Advanced Functional Materials #AdvancedFunctionalMaterials
📅 Date: 2026-10-13
🔬 Research Article

💡 Novelty & Significance:
Hard-acid high-entropy engineering stabilizes metal-chloride octahedra in halide solid electrolytes, suppressing Cl⁻ oxidation at 4.8 V while improving Li⁺ transport (2.38 mS cm⁻¹). The Li₂.₅In₀.₅Y₀.₁Al₀.₁Zr₀.₁Ta₀.₂Cl₆ electrolyte enables 1400 cycles at 10 C with >80% capacity retention and −20°C operation, offering a new crystal-chemistry design strategy for ultrahigh-voltage all-solid-state batteries.

🔗 10.1002/adfm.79022

🏷 halide solid electrolyte · high-entropy · hard-acid · all-solid-state battery · high voltage
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