A problem to be solved is to enhance the charge and discharge characteristics and rate characteristics of a B-type titanium oxide (TiO 2 (B)) powder by a simple treatment and to provide a B-type titanium oxide powder that can be suitably used as a negative...

The present invention relates to a method for producing titanium oxide sol, comprising mixing an aqueous titanium tetrachloride solution into water at a temperature of 80°C or higher within 60 seconds while maintaining the mixed solution at the temperatur...