Process for the preparation of compounds containing perfluoroalkanesulfonic acid groups

Abstract

The invention relates to a method for producing perfluoroalkanesulfonic acid esters and for further transforming the same into the salts thereof. The invention also relates to the use of the produced compounds in electrolytes, batteries, capacitors, supercapacitors, and galvanic cells.

1 - 5 . (canceled) 
     
     
         6 . A compound of the formula
   M n+ [OSO 2 CF 3 ] n   − ,   type, in which M n+  is a ring of the formula:   
       
         
           
           
               
               
           
         
         
           where 
           n is 1 or 2, 
           X and Y are P or N, and 
           R 1 ,R 2    
           and R 3  identical or different and are each, individually or together,
 hydrogen, 
 an alkyl group having from 1 to 16 carbon atoms, 
 an alkylaryl group whose alkylene group has from 1 to 16 carbon atoms, 
 an aryl group or 
 a heterocyclic group, 
 
           where one, two or three CH 2  groups in the ring and/or the alkyl groups may be replaced by identical or different heteroatoms, and 
           where the ring and/or the alkyl group may be partially substituted, and 
           where the alkylaryl group, the aryl group and/or the heterocyclic group may be partially substituted. 
         
       
     
     
         7 . An electrolyte, comprising at least one salt, wherein said salt is a compound according to  claim 6 . 
     
     
         8 . Primary batteries, secondary batteries, capacitors, supercapacitors or electrochemical cells, comprising at least one salt, wherein said salt is a compound according to  claim 6 . 
     
     
         9 . A liquid, gel, polymeric or solid electrolyte comprising one or more compounds according to  claim 6 , optionally mixed with other salts. 
     
     
         10 . (canceled) 
     
     
         11 . A solvent comprising one or more compounds according to  claim 6 . 
     
     
         12 . A phase-transfer catalyst comprising one or more compounds according to  claim 6 . 
     
     
         13 - 15 . (canceled) 
     
     
         16 . A compound according to  claim 6 , wherein the ring and/or alkyl group is partially substituted by F, Cl, N(C n F (2n+1−x) H x ) 2 , O(C n F (2n+1−x) H x ), SO 2 (C n F (2n+1−x) H x ), C n F (2n+1−x) H x , where 1≦n≦6 and 0≦x≦2n+1, alkylaryl, aryl and/or a heterocyclic group. 
     
     
         17 . A compound according to  claim 6 , wherein the aralkyl group, the aryl group and/or the heterocyclic group are partially substituted by F, Cl, Br, NO 2 , CN, alkyl, aryl or a heterocyclic group.