Method for dehydrating composition comprising lithium bis(pentafluoroethanesulfonyl)imide

• Main Authors: OGATA, SHINTARO, KARUBE, DAISUKE, WASHINO, KEIKO, OTSUKA, TATSUYA
• Format: Patent
• Language: English
• Published: 01.02.2007
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; BASIC ELECTRIC ELEMENTS; CHEMISTRY; ELECTRICITY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; SEPARATION; TRANSPORTING

The present invention relates to a method for dehydrating an aqueous composition comprising lithium bis(pentafluoroethanesulfonyl)imide and at least one organic solvent, wherein said dehydration method of the composition comprising lithium bis(pentafluoroethanesulfonyl)imide is characterized in that a part of solvent is distilled off by distillation.