| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent a short circuit from occurring between a negative electrode and a positive electrode, due to dendrite or the like used in a negative electrode active material, when charging and discharging repeatingly an alkaline zinc storage battery. <P>SOLUTION: This alkaline zinc storage battery stores, in a battery can 20, an electrode body 10 formed by winding the negative electrode 1 employing the negative electrode active material containing zinc and the positive electrode 2, with a separator 3 interposed therebetween. The alkaline zinc storage battery uses the separator formed by lapping at least the first separator 3a made of a woven fabric or a nonwoven fabric over at least one kind of the second separator 3b selected from the group consisting of a micro-porous membrane, a semipermeable membrane and an ion permeable membrane, at least the second separator is extended to width-directional both sides of the negative electrode and the positive electrode in the wound electrode body, and end parts are coated in the widthwise both sides of the negative electrode and the positive electrode. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
