| 摘要 |
PROBLEM TO BE SOLVED: To provide a polymer lithium secondary battery capable of maintaining an excellent charge and discharge cycle life while enhancing packing density of a negative electrode. SOLUTION: This polymer lithium secondary battery is equipped with a negative electrode 2 containing a mesophase-pitch carbon fabric of graphite occluding and discharging an lithium ion and having an average fabric diameter of 2-40 μm, an average fabric length of 10-100 μm and a specific surface ratio of 0.5-2.5 m2/g, and a particulate carbon material of graphite occluding and discharging carbon black and/or an lithium ion and having a 50% particle diameter D50 of 2.0-25 μ, and a specific surface ratio of 0.5-20.0 m2/g. |
