| abstract |
An organic electrolyte solvent includes a compound of the formula: R 1 -SO 2 -NR 2 -OR 3 wherein R 1 is selected from alkanes, alkenes, alkynes, aryls and their substituted derivatives and perfiuorinated analogues; R 2 is selected from alkanes, alkenes. alkynes. aryls and their substituted derivatives; R 3 is selected from alkanes, alkenes, alkynes, aryls and their substituted derivatives wherein the electrolyte solvent is stable at voltages of greater than 4.0 volts. |