Binder composition for rechargeable lithium battery, and electrode and rechargeable lithium battery including the same

The present invention relates to a binder composition for a rechargeable lithium battery including a cross-linked composition of polyacrylic acid and polyvinyl alcohol, wherein the polyacrylic acid comprises one or more non-cross-linked acid groups that are substituted with an alkali metal cation or ammonium cation or combinations thereof.