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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Enhancing ionic conductivity in Ag3PS4 via mechanical amorphization
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Enhancing ionic conductivity in Ag3PS4 via mechanical amorphization

机译：通过机械杂化增强Ag3PS4中的离子电导率

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Amorphous conductors with high ionic conductivity are a promising candidate as electrolytes in all-solid state batteries. In this work, we prepared amorphous Ag3PS4 conductor via a chemo-mechanical milling process, and then characterized its structure and electrochemical properties. The results show that Ag+ conductivity of the amorphous Ag3PS4 was remarkably enhanced by three orders of magnitude compared to its crystalline counterpart. Furthermore, the amorphous sample exhibits lower activation energy (E-a) for ionic conductivity as a function of temperature. Structural characterizations indicate that the tetrahedral [PS4] units were retained in amorphous Ag3PS4, but the Ag+ ions became more liberated than those in the crystalline state, leading to the enhanced migration of Ag+ ions, thereby, the ionic conductivity in amorphous Ag3PS4 is drastically increased. This work provides insight into the crucial role of the disorder in raising the ionic conductivity of amorphized chalcogenide materials containing mobile ions.
机译：具有高离子电导率非晶导线是有希望的候选作为全固态电池电解质。在这项工作中，我们通过化学机械研磨工艺制备的无定形Ag3PS4导体，然后其特征在于它的结构和电化学性能。结果表明，无定形Ag3PS4的银离子电导率得到显着由三个数量级增强相比，它的结晶性对应物。此外，无定形样品显示出较低的活化能（E-a）用于离子导电性与温度的函数。结构表征表明四面体[PS4]单位被保留在无定形Ag3PS4，但Ag +离子变得比那些在结晶状态更解放，导致Ag +离子的增强的迁移，由此，在无定形Ag3PS4离子电导率急剧增加。这项工作提供了洞察疾病在提高包含流动离子非晶化的硫化物材料的离子导电性的关键作用。

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