Patent ID: 7666330

Claim:
A non-aqueous electrolyte, which comprises: (i) a lithium salt selected from the group consisting of LiClO 4 , LiCF 3 SO 3 , LiPF 6 , LiBF 4 , LiAsF 6 , and LiN(CF 3 SO 2 ) 2 ; (ii) a solvent selected from the group consisting of a cyclic carbonate, a linear carbonate, and a combination thereof; and (ii) a compound represented by the following formula 2: wherein, each of R 1 ˜R 11 independently represents —H, —F, —Cl, —Br, —I —OH, —SH, —COOH, —PO 3 H 2 , —NH 2 , —NO 2 , —O(CH 2 CH 2 O) n H (wherein, n is an integer of 1˜5), C 1 ˜C 12 alkyl group, C 1 ˜C 12 aminoalkyl group, C 1 ˜C 12 hydroxyalkyl group, C 1 ˜C 12 haloalkyl group, C 2 ˜C 12 alkenyl group, C 1 ˜C 12 alkoxy group, C 1 ˜C 12 alkylamino group, C 1 ˜C 12 dialkylamino group, C 6 ˜C 18 aryl group, C 6 ˜C 18 aminoaryl group, C 6 ˜C 18 hydroxyaryl group, C 6 ˜C 18 haloaryl group, C 7 ˜C 18 benzyl group, C 7 ˜C 18 aminobenzyl group, C 7 ˜C 18 hydroxybenzyl group, C 7 ˜C 18 halobenzyl group, or nitrile group (—CN).