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CAS 号：13709-49-4
英文名称：Yttrium Fluoride
分子式：YF₃
分子量：145.90
物化性质：不溶于水，在盐酸、硝酸、硫酸中难溶，但可溶于高氯酸。具有一定吸湿性，在空气中性质稳定。
| 型号 | CY-FHM50 |
|---|---|
| 外观 | 浅蓝色粉末 |
| 平均粒径（nm） | 50 |
| 比表面积（m²/g） | 30–50 |
| 纯度（%） | ≥99.9 |
注：可根据客户需求定制其他粒度规格的产品。
红外光学镀膜：随着红外技术与材料在各类新兴研究与应用领域的快速发展，市场对红外波段稳定、高质量的薄膜材料需求日益迫切。氟化钇（YF₃）因其出色的光学性能，被广泛应用于红外波段。特别是其宽带隙特性，使其在从紫外到红外的宽光谱范围内均保持高透射率。因此，氟化钇已成为干涉滤光片及红外光学镀膜元件中低折射率材料的理想选择。
固态电池：氟化钇可作为固态电解质的添加剂或界面修饰层材料，用于提升固态电池的综合性能。其作用包括：
改善固态电解质与正负极之间的界面接触，降低界面阻抗；
抑制锂枝晶生长，提高电池循环稳定性；
拓宽电化学窗口，增强电解质的高压耐受性。
因此，氟化钇在下一代高安全、高能量密度固态电池中具有重要的应用潜力。
样品包装规格：100 克/袋、500 克/袋 或 1 公斤/袋。
CAS No.：13709-49-4
English Name：Yttrium Fluoride
Molecular Formula：YF₃
Molecular Weight：145.90
Physicochemical Properties：Insoluble in water, hardly soluble in hydrochloric acid, nitric acid, and sulfuric acid, but soluble in perchloric acid. Slightly hygroscopic and stable in air.
| Model | CY-FHM50 |
|---|---|
| Appearance | Light blue powder |
| Average Particle Size (nm) | 50 |
| Specific Surface Area (m²/g) | 30–50 |
| Purity (%) | ≥99.9 |
Note: Customized particle sizes are available upon request.
Infrared Optical Coatings
With the rapid development of infrared technology and materials in emerging research and application fields, there is an increasing demand for stable, high-quality thin films in the infrared region. Yttrium Fluoride (YF₃) is widely used in infrared applications due to its excellent optical properties. In particular, its wide bandgap ensures high transmittance across a broad spectral range from ultraviolet to infrared. Therefore, YF₃ has become the preferred low-refractive-index material for interference filters and infrared optical coating components.
Solid-State Batteries
Yttrium Fluoride can be used as an additive for solid-state electrolytes or as an interfacial modification layer to enhance the performance of solid-state batteries. Its key functions include:
Improving interfacial contact between the solid electrolyte and electrodes, reducing interfacial resistance;
Suppressing lithium dendrite growth, thereby improving cycling stability;
Widening the electrochemical stability window and enhancing high-voltage tolerance.
These advantages make YF₃ a promising material for next-generation high-safety, high-energy-density solid-state batteries.
Sample packaging: 100 g/bag, 500 g/bag, or 1 kg/bag.
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