Patent ID: 7914931
Filing Date: 2011-03-29
Classification: H01M,Y02E,Y10T

Abstract:
1. A separator for a rechargeable lithium battery, comprising: a separating substrate; and an antistatic agent coated on the separating substrate, the antistatic agent comprising polyether-modified silicone oil selected from the group consisting of the compounds represented by the following formulas 1 to 5 and combinations thereof: where, in the above formula 1, k ranges from 1 to 9, l ranges 0 to 3, m is 1, n ranges from 1 to 2, R is either of CH where, in the above formula 2, k ranges from 1 to 9, l ranges 0 to 3, m is 1, n ranges from 1 to 2, R is either of CH where, in the above formula 3, k ranges from 1 to 9, l ranges 0 to 3, m is 1, n ranges from 1 to 2, R is C where, in the above formula 4, k ranges from 1 to 9, l ranges 0 to 3, m is 1, n ranges from 1 to 2, R is either of CH where, in the above formula 5, k ranges from 1 to 9, l ranges 0 to 3, m ranges from 0 to 1, n ranges from 1 to 2, R is either of CH