Sigma-Aldrich NaFSI electrolyte powder，无水，电池级，99.9%痕量金属

产品概述

Sodium bis(fluorosulfonyl)imide, abbreviated NaFSI, is a white, crystalline salt. It is hygroscopic and deliquescent and usually stored under inert atmosphere. NaFSI is soluble in water, carbonates (including dimethyl carbonate, diethyl carbonate, and propylene carbonate), glymes (including monoglyme, diglyme, and triglyme), dimethoxyethane, trimethyl phosphate, and bis(fluorosulfonyl)imide-based ionic liquids such as N-methyl-N-propylpyrrolidinium bis(fluorosulfonyl)imide ([C3mpyr]+FSI-) or N-butyl-N-methylpyrrolidinium ([C4mpyr]+FSI-). NaFSI melts at 109 °C.
NAFSI Electrolyte Powder is a high-purity sodium salt that enhances battery stability, safety, and lifespan. Its compatibility with various chemistries and role in forming stable interfaces support efficient, durable, and greener energy storage solutions. Click here for more information.

应用领域

NaFSI因其在溶液中的高溶解度和高离子电导率而常用作钠离子电池中的电解质盐。我们的电池级NaFSI具有低水分、低酸度和高纯度，专为钠离子电池应用而量身定制。NaFSI与多种阴极材料兼容，包括Na 2 Ti 3 O 7，Na 3V 2（PO 4）3，以及阳极材料，如硬碳和钠金属。最近，科学家们发现，使用NaFSI的高浓度和局部高浓度电解质的性能优于传统的稀电解质，能够显著提高循环稳定性。这些局部化的高浓度电解质通常涉及在用氟醚稀释的碳酸盐或醚溶剂中的1.5M NaFSI。离子液体中的NaFSI浓度形成有利的固体电解质界面，并且能够与钠金属阳极稳定循环超过700次循环。

技术规格