Coupling agent for non-aqueous electrolyte secondary battery, electrode assembly for non-aqueous electrolyte secondary battery, electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery

摘要

Problem to be solved: to provide a binder for a non-aqueous electrolyte secondary battery capable of obtaining a battery having excellent performance even when an active material containing silicon is used.At least contains carboxymethylcellulose and / or its salts and lignin sulfonic acid based compounds.No selection