Porous carbon, additives for the positive electrode of non-aqueous electrolyte secondary batteries, components for the positive electrode of non-aqueous electrolyte secondary batteries, and non-aqueous electrolyte secondary batteries

Abstract

The purpose of this invention is to provide a porous carbon suitable as a positive electrode additive, which maintains the excellent input-output characteristics of a non-aqueous electrolyte secondary battery at room temperature, while achieving improved electrode peel strength. The invention discloses a porous carbon with a pore volume of 2.5 cc / g or more for pore diameters less than 1 μm, as measured by mercury infiltration, and a pore volume of 3.0–13 cc / g for pore diameters between 1 μm and 100 μm, as measured by mercury infiltration.

Images