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US 2026/0221504 A1Published application
Sulfide solid electrolyte and method for manufacturing same
AssigneeAGC Inc.
InventorsNaoki FUJII, Riku KITAMURA
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Abstract
A sulfide solid electrolyte includes a sulfide-based glass phase. The sulfide-based glass phase has an exothermic peak at which a highly ion-conductive crystal is precipitated when subjected to a differential scanning calorimetry measurement at a heating rate of 5° C./min, the exothermic peak can be separated into two or more peaks, and a temperature difference between a peak top of a peak on the highest temperature side and a peak top of a peak on the lowest temperature side among the two or more peaks obtained by the peak separation is 0.5° C. or higher.
Claims8
A sulfide solid electrolyte comprising a sulfide-based glass phase,
- wherein the sulfide-based glass phase has an exothermic peak at which a highly ion-conductive crystal is precipitated when subjected to a differential scanning calorimetry measurement at a heating rate of 5° C./min,
- the exothermic peak can be separated into two or more peaks, and
- a temperature difference between a peak top of a peak on the highest temperature side and a peak top of a peak on the lowest temperature side among the two or more peaks obtained by the peak separation is 0.5° C. or higher.
Dependencies are inferred from the claim text.