COMPOSITION FOR BATTERY

摘要

The object is to stabilize the dispersion of a conductive additive in a composition for a battery without deteriorating the conducting property of the conductive additive, and to thereby improve the battery performance of a battery produced by using the composition. Disclosed is a composition for a battery, which comprises: at least one dispersing agent selected from an organic dye derivative having a basic functional group, an anthraquinone derivative having a basic functional group, an acridone derivative having a basic functional group and a triazine derivative having a basic functional group; a carbon material as a conductive additive; and optionally an acid, a solvent, a binder, and a positive electrode active material or a negative electrode active material. Also disclosed is a lithium secondary battery comprising: a positive electrode comprising a collector and a composite positive electrode material layer arranged on the collector; a negative electrode comprising a collector and a composite negative electrode material layer arranged on the collector; an electrolyte containing lithium; and optionally an electrode under layer, wherein the composite positive electrode material layer, the composite negative electrode material layer or the electrode under layer is formed by using the composition.