Among various anode materials, SiO_x is regarded as the next generation of promising anode due to its advantages of high theoretical capacity with 2680 mA h g^–1, low lithium voltage platform, and rich natural resources. However, the pure SiO_x-based materials have slow lithium storage kinetics attributed to their low electron/ion conductive properties and the large volume change during lithiation/delithiation, restricting their practical application. Optimizing the SiO_x material structures and the fabricating methods to mitigate these fatal defects and adapt to the market demand for energy density is critical. Hence, SiO_x material with TiO_1–xN_x phase modification has been prepared by simple, low-cost, and scalable ball milling and then combined with nitridation. Consequently, based on the TiO_1–xN_x modified layer, which boosts high ionic/electronic conductivity, chemical stability, and excellent mechanical properties, the SiO_x@TON-10 electrode shows highly stable lithium-ion storage performance for lithium-ion half/full batteries due to a stable solid–electrolyte interface layer, fast Li⁺ transport channel, and alleviative volumetric expansion, further verifying its practical feasibility and universal applicability.

中文翻译：

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可规模化合成 SiOx-TiON 复合材料作为锂离子半/全电池的超稳定阳极


在各种负极材料中，SiO _x 因其理论容量高达2680mAh·g ^–1 、低锂电压平台、丰富的天然元素等优点而被认为是下一代有前景的负极材料。资源。然而，纯SiO _x 基材料由于其低电子/离子传导性能以及锂化/脱锂过程中较大的体积变化而具有缓慢的储锂动力学，限制了其实际应用。优化SiO _x 材料结构和制造方法以减轻这些致命缺陷并适应市场对能量密度的需求至关重要。因此，通过简单、低成本、可规模化的球磨并结合氮化制备了具有TiO _1–x N _x 相改性的SiO _x 材料。因此，基于 TiO _1–x N _x 改性层，可提高高离子/电子电导率、化学稳定性和优异的机械性能，SiO _x @由于稳定的固体电解质界面层、快速的Li ⁺ 传输通道和减轻的体积膨胀，TON-10电极在锂离子半/全电池中表现出高度稳定的锂离子存储性能，进一步验证了其实际可行性和普遍适用性。