Magnesium bis(trifluoromethylsulfonyl)imide, CAS: 133395-16-1

Key Applications:

Advanced Electrolyte Systems

• Serves as a high‑purity magnesium salt for next‑generation rechargeable Mg‑ion batteries, enabling non‑nucleophilic, chloride‑free electrolyte formulations.
• Supports high oxidative stability and wide electrochemical windows in ether‑based, sulfone‑based, and ionic‑liquid‑based electrolytes.
• Used in research on multivalent metal batteries where reduced dendrite formation and improved cycling efficiency are required.
• Facilitates development of hybrid electrolytes combining Mg(TFSI)_2 with polymer matrices (PEO, PVDF, polycarbonates) for solid‑state or gel systems.

Ionic Liquid and Solvate Electrolytes

• Dissolves readily in fluorinated and aprotic solvents to form stable solvate structures for high‑conductivity electrolyte blends.
• Employed in Mg‑compatible ionic liquid systems based on TFSI anions for enhanced thermal stability and suppressed parasitic reactions.
• Useful in tailoring viscosity, ion mobility, and interfacial behavior in designer electrolyte formulations.

Electrodeposition and Surface Engineering

• Enables controlled magnesium electrodeposition in non‑aqueous media for thin‑film formation, protective coatings, and surface modification studies.
• Investigated for corrosion‑resistant Mg coatings and interfacial engineering in metal–electrolyte systems.

Catalysis and Lewis Acid Chemistry

• Functions as a moisture‑stable, non‑coordinating magnesium source for Lewis acid catalysis in organic synthesis.
• Applied in polymerization, activation of electrophiles, and transformations requiring weakly coordinating anions.

Materials Science and Coordination Chemistry

• Used to prepare Mg‑based coordination complexes with TFSI counterions for structural, spectroscopic, and conductivity studies.
• Supports development of Mg‑containing functional materials, including ionogels, composite electrolytes, and high‑temperature materials.

Analytical and Reference Uses

• Serves as a reference salt for studying Mg^{2+} solvation, transport behavior, and ion pairing in highly fluorinated anion systems.
• Utilized in benchmarking electrolyte stability, decomposition pathways, and interphase formation mechanisms.

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