| abstract |
The secondary battery includes a positive electrode, a negative electrode, and an electrolyte, and the positive electrode is a positive electrode active material, a fluorine-based binder having a melting point of 152 ° C. or higher and 166 ° C. or lower, and a specific surface area of 1000 m 2 / g or more and 1500 m 2 /. A positive electrode active material layer containing a conductive additive having an amount of g or less and a vinylpyrrolidone-based polymer is provided. [Selection diagram] Fig. 2 |