| 摘要 |
PROBLEM TO BE SOLVED: To provide a lithium ion secondary battery excellent in cycle characteristics at a high temperature.MEANS FOR SOLVING THE PROBLEM: A lithium ion secondary battery comprises a positive electrode, a negative electrode, a separator, and an electrolytic solution. The positive electrode has a collector and a positive electrode mixture formed to the collector, and the positive electrode mixture includes an olivine type iron lithium phosphate and an aluminum silicate in which a carbon is disposed to a surface.SELECTED DRAWING: Figure 1 |
