Nonaqueous electrolyte composition for improving overcharge safety and lithium battery using the same

A nonaqueous electrolyte comprising:

• an organic solvent;
• a lithium salt;
• and
• a compound represented by Formula 1, a hydride thereof or a mixture thereof wherein:
• 12
• R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13 and R14 are the same or different, and are independently hydrogen, hydroxy, halogen, a C1-C10 alkyl, a C1-C10 alkoxy, nitro or amine group, X is halogen, a C1-C10 alkyl, a C1-C10 alkoxy, nitro or amine group, and
• n is an integer between 1 and 10.