| 摘要 |
PURPOSE:To form a battery having a large charge and discharge cycle by specifying the open dimension of the mesh of a metal net. CONSTITUTION:A nonaqueous electrolyte secondary battery consists of a positive electrode 4, nonaqueous electrolyte, and a lithium negative electrode. The lithium negative electrode consists of an alloy negative electrode 3 occluding lithium metal ions at a charging time and ejecting the lithium metal ions at a discharging time, and a metal net 2 integrated with the electrode 3. In this case, the open dimension of the mesh of the metal net is limited to 0.25-0.5mm. According to the above constitution, such a metal negative electrode can be obtained as having a large charge/discharge cycle and a large capacity per unit of volume from view of its performance, being simply manufactured and easily connected to a sealing plate or a case, and capable of occluding lithium. |
