| 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 perfluorinated 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. |