To stabilize diffusion of a positive electrode active material without limiting conductivity of the positive electrode active material in a positive electrode mixture paste for a lithium secondary battery, and improve binding force between a battery material powder and a binder constituent, as well as to improve performance of a battery produced by using this.
The positive electrode mixture paste for a lithium secondary battery includes: one or more kinds of derivatives selected from a group consisting of 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 resin having a basic functional group; and a positive electrode active material.
COPYRIGHT: (C)2010,JPO&INPIT
Jun Kaneda
Dai Inagaki
Moroishi Noriyuki
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