Lithium TFSI

Basic Information of Lithium Bis(trifluoromethanesulfonyl)imide

CAS No.:	90076-65-6
EC No.:	415-300-0
Linear Formula:	LiN(SO₂CF₃)₂
Molecular Weight:	287.09
Appearance:	White crystalline powder.
Melting Point:	234-238 °C(lit.)
Density:	1.334 g/cm3
Solubility:	Highly soluble in water and various polar organic solvents (e.g., acetonitrile, carbonates, ethers, ionic liquids).
Flash Point:	>100°C (>212°F)
Stability:	Excellent thermal stability (up to ~360°C); superior electrochemical stability; high resistance to hydrolysis compared to LiPF6.
Purity:	Available in high purity grades (e.g., >99.5%, battery grade) for demanding energy storage applications.
Chemical Structure:

Our commitment to delivering high-purity LiTFSI ensures a reliable and efficient component for your critical processes, offering consistent quality for diverse energy storage, synthetic, and material science applications.

Primary Applications of Lithium Bis(trifluoromethanesulfonyl)imide (LiTFSI)

LiTFSI's superior properties, particularly its outstanding stability and high ionic conductivity, make it a leading choice for a range of advanced technological applications:

1. Electrolyte Salt in Lithium Batteries:

   LiTFSI is a cornerstone electrolyte salt for high-performance lithium-ion batteries and next-generation energy storage systems. Its advantages include:

• Improved Safety: Unlike LiPF6, LiTFSI does not generate HF upon hydrolysis, significantly enhancing battery safety.

• Enhanced Thermal Stability: Allows batteries to operate more reliably at higher temperatures.

• High Ionic Conductivity: Facilitates efficient lithium ion transport, leading to better battery performance and power density.

• Solid-State Batteries: A crucial component in the development of advanced solid polymer electrolytes (SPEs) and ceramic electrolytes for all-solid-state batteries, which promise even higher energy density and safety.

2. Ionic Liquid Component:

   LiTFSI is a vital component in the synthesis and formulation of ionic liquids, where its excellent electrochemical properties are leveraged to create novel solvents and electrolytes for various industrial processes, including electrodeposition, separation, and catalysis.

3. Electrochemical Devices:

   Beyond lithium batteries, LiTFSI is utilized in other electrochemical devices such as supercapacitors, where its stability and conductivity contribute to improved device performance and longevity.

4. Polymer Electrolytes:

   It is widely incorporated into polymer matrices to create flexible and stable ion-conducting polymer electrolytes for a variety of applications, including flexible electronics, sensors, and smart materials.

5. Catalyst and Reagent:

   In certain niche organic synthesis applications, LiTFSI can act as a Lewis acid catalyst or a specific reagent, leveraging its unique chemical properties.

For a system-level understanding of TFSI salts within triflate chemistry, refer to theoverview of triflic acid and triflate chemistry.

Its application as an advanced electrolyte salt is discussed in TFSI and triflate salts in electrochemistry.

• Exceptional Purity & Consistent Quality: Our Lithium Bis(trifluoromethanesulfonyl)imide is manufactured to stringent purity specifications, including advanced battery-grade quality, crucial for achieving optimal and reproducible performance in sensitive electrochemical devices and cutting-edge research.

• Expert Technical Support: Our dedicated team of specialists is readily available to offer comprehensive guidance on product application, safe handling, optimal storage, and usage in your specific energy storage or chemical processes, ensuring maximum efficiency and safety.

• Commitment to Quality & Responsible Stewardship: We adhere to the highest industry standards for quality management, environmental responsibility, and product stewardship across all our operations, ensuring peace of mind for our clients and sustainable sourcing practices.

• Customized Solutions: We understand that different applications may require specific purity levels or particle sizes. We are open to discussing customized solutions to meet your exact requirements.