Aprotic solvents hexafluorophosphate

LiPFf. Lithium hexafluorophosphate is used almost exclusively in commercial Li-ion batteries. This salt has thus far demonstrated the best balance of essential properties necessary for a primary Li-ion electrolyte salt [12, 40], In aprotic solvents, the resulting electrolytes have some of the highest conductivity values measured. LiPEg-based electrolytes react to form a stable interface with the A1... 

An aprotic solvent containing a lithium salt The organic solvents which have been studied in detail include propylene carbonate, dioxolane, tetrahydro-furan and other ethers, Mixtures of solvents have also found application and a popular combination has been a high dielectric constant solvent such as propylene carbonate with a low viscosity ether. Common lithium salts have included the perchlorate, hexafluoroarsenate and hexafluorophosphate. 

Nitronium salts are efficient and powerful nitrating agents. Nitronium tetrafluoroborate is the most commonly used nitronium salt for nitration and is commercially available as a solid or as a solution in sulfolane in which the ions are highly solvated and exist as an ion pair. Nitronium tetrafluoroborate shows poor solubility in most organic solvents and so the more soluble nitronium hexafluorophosphate is sometimes preferred for nitrations. Olah and co-workers - have studied the nitration of a vast array of aromatics with nitronium salts. Solutions of nitronium salts in aprotic organic solvents are useful for the nitration of acid sensitive or readily oxidized substrates. Nitronium tetrafluoroborate has been used for the... 

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