POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, BATTERY MODULE AND BATTERY SYSTEM USING THE SAME

A positive electrode () for non-aqueous electrolyte secondary batteries, including a collector () and an active material layer (), wherein a spreading resistance distribution of the layer () shows a profile with a sum of frequencies of resistance values 4.0 to 6.0 (log Ω) accounting for 0.0 to 5.0% relative to a total, 100%, of frequencies of resistance values 4.0 to 12.5 (log Ω). A positive electrode () for non-aqueous electrolyte secondary batteries, including a collector () and an active material layer (), wherein the layer () includes an active material and a conductive carbon material, and an amount of a low-resistance conductive carbon material having a resistivity of 0.10 Ω·cm or less is 0.5% by mass or less, based on a total mass of the layer (). A positive electrode () for non-aqueous electrolyte secondary batteries, including a collector () and an active material layer (), wherein the active material has a coated section including a conductive material, and the layer () has a powder resistivity of 10 to 1,000 Ω·cm.