Triethylpentylammonium bis(trifluoromethylsulfonyl)imide, CAS: 906478-91-9

Key Applications:

Electrochemical Systems

• Serves as a hydrophobic, thermally stable ionic liquid electrolyte for high‑voltage electrochemical cells.
• Enhances ionic conductivity and electrochemical window in supercapacitors and advanced battery prototypes.
• Functions as a supporting electrolyte in nonaqueous electrochemical studies requiring low viscosity and high stability.

Lithium and Multivalent Metal Battery Research

• Used as a component in electrolyte formulations for lithium, sodium, and emerging multivalent systems where TFSI⁻ anions improve ion transport and interfacial behavior.
• Supports SEI formation studies due to its chemical robustness and low coordinating nature.

Organic Synthesis and Catalysis

• Acts as a nonvolatile reaction medium for transformations requiring strong thermal and chemical stability.
• Suitable for phase‑transfer catalysis in biphasic systems, leveraging the bulky ammonium cation and hydrophobic TFSI⁻ anion.
• Useful in metal‑catalyzed reactions where low nucleophilicity and high polarity are advantageous.

Separation Science and Extraction

• Employed in liquid–liquid extraction systems for selective partitioning of metal ions, especially in hydrophobic extraction regimes.
• Supports solvent‑free or reduced‑solvent separations due to its low vapor pressure and tunable solvation properties.

Materials Science and Polymer Engineering

• Incorporated into polymer matrices to enhance ionic transport, flexibility, and thermal stability.
• Used in ionogel fabrication for flexible electronics, sensors, and solid‑state electrochemical devices.
• Serves as a plasticizing ionic additive in specialty elastomers and high‑performance polymers.

Surface and Interface Engineering

• Applied as a surface‑active ionic liquid for modifying electrode interfaces and improving charge transfer.
• Useful in lubrication studies where low volatility and high thermal stability are required.

Analytical and Spectroscopic Applications

• Provides a stable, inert medium for spectroscopic measurements under high temperature or low‑volatility conditions.
• Suitable for electroanalytical calibration studies involving TFSI⁻‑based ionic environments.

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