| 摘要 |
In the present invention, provided is a cathode mixture for secondary batteries, which is a positive electrode active material and includes a first positive electrode active material and a second positive electrode active material whose electric conductivity of powder is different, wherein the particle diameter of the second positive electrode active material is 5 to 60% with respect to the particle diameter of the first positive electrode active material. A purpose of the present invention is to resolve problems in an existing technology and a long-term task in an aspect of technology. |
