BINDER COMPRISING COPOLYMER, NEGATIVE ELECTRODE FOR SECONDARY BATTERY COMPRISING BINDER, AND SECONDARY BATTERY COMPRISING NEGATIVE ELECTRODE

The present invention relates to a copolymer, and a copolymer composition, negative electrode slurry, negative electrode, and secondary battery comprising same, the copolymer comprising an acrylic acid-based monomer unit, an acrylamide-based monomer unit, and a monomer unit including a sulfonic acid group.