| 摘要 |
PROBLEM TO BE SOLVED: To provide a nonaqueous lithium power storage element having a high output and a high capacity per volume, and excellent cycle characteristics.SOLUTION: A nonaqueous lithium power storage element uses an active material having a BET specific surface area of 2600-4500 m/g, a meso pore amount V1 (cc/g) in a range of 0.8<V1≤2.5, calculated by BJH method and derived from pores having a diameter of 20-500 Å, a micro pore amount V2 (cc/g) in a range of 0.92<V2≤3.0, calculated by MP method and derived from pores having a diameter of less than 20 Å, an average particle size of 1-30 μm, and a sphericity of 0.80 or more. |
