Electrode for rechargeable lithium battery and rechargeable lithium battery including the same

The present invention provides an electrode for a rechargeable lithium battery, which includes ionomer represented by a random copolymer of Chemical Formula 1, wherein A is selected from a bond, a CFR f7 - group, a -O-CFR f8 - group, a -O-(CFR f3 -CFR f4 )- group, a (CFR f5 -CFR f6 )- group or a combination comprising at least one of the above groups, wherein two or more groups in total are present in the combination, R f1 to R f8 are each independently fluorine, a C 1-4 alkyl, preferably CH 3 , or a fluorinated C 1-4 alkyl, preferably CF 3 and x and y are each independently an integer ranging from 1 to 100, wherein the electrode further comprises an active material layer, and the ionomer is contained within the active material layer and/or coated directly on a surface of the active material layer.