MALEONITRILE DERIVATIVES AS ADDITIVES FOR ELECTROLYTES IN LITHIUM ION BATTERIES

摘要

An electrolyte composition (A) containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (I) wherein X1 and X2 are independently from each other selected from N(R1), P(R1), O, and S, Y1 and Y2 are independently from each other selected from (O), (S), (PR2) and (NR2); and electrochemical cells containing electrolyte composition (A).