| abstract |
An object of the present invention is to provide a positive mix capable of stably charging and discharging with little gas generation in a cathode mix having a lithium-based operating voltage or voltage accompanying an initial crystal phase transition of 4.5 V or more, and bulk density Carbon black with 0.1 g/cm3 or less, crystallite size of 10 to 40 Å, iodine adsorption amount of 1-150 mg/g, volatile content of 0.1% or less, and metallic impurities of 20 ppm or less, and lithium-based operating voltage or initial crystal phase transition It is related with the positive mix containing the positive electrode active material whose accompanying voltage is 4.5V or more. |