Positive electrode slurry for rechargeable lithium battery, positive electrode for rechargeable lithium battery, and rechargeable lithium battery including the same

A positive electrode slurry for a rechargeable lithium electrode, the positive electrode slurry comprising:

• a positive electrode active material;
• a binder;
• and
• a positive electrode additive,
• wherein the positive electrode additive includes a compound of Chemical Formula 1:
• wherein:
• R1 and R2 each independently comprises hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C1 to C20 alkoxy group, a substituted or unsubstituted C2 to C20 alkenyl group, a substituted or unsubstituted C2 to C20 alkynyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a substituted or unsubstituted C2 to C20 heteroaryl group,
• R3 and R4 each independently comprises hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C1 to C20 alkoxy group, a substituted or unsubstituted C2 to C20 alkenyl group, a substituted or unsubstituted C2 to C20 alkynyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C2 to C20 heteroaryl group, or Chemical Formula 1-1, and
• at least one of R3 and R4 comprises Chemical Formula 1-1:
• wherein:
• R5 and R6 each independently comprises a single bond, a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C1 to C20 alkoxylene group, a substituted or unsubstituted C2 to C20 alkenylene group, a substituted or unsubstituted C2 to C20 alkynylene group, a substituted or unsubstituted C3 to C20 cycloalkylene group, a substituted or unsubstituted C6 to C20 arylene group, or a substituted or unsubstituted C2 to C20 heteroarylene group.