摘要 |
<P>PROBLEM TO BE SOLVED: To provide a battery group for a secondary battery which easily inserts into a battery can by covering a terminal end section of a separator to be wound around the outermost periphery of the battery group at one turn or more with a fixing member on the outer periphery of the battery group and prevents or restrains turning-up and breaking of a separator, damage on an electrode plate, dropping-out of an active material layer, and internal short-circuit and is highly reliable by improving its safety as a battery. <P>SOLUTION: In the battery group for a secondary battery wherein a beltlike positive electrode plate 1, a beltlike negative electrode plate 2, and the separator 3 are wound in a spiral shape, the battery group 6 is formed by covering the terminal end section 29 of the separator 3 to be wound around the outermost periphery of the battery group 6 wherein the positive electrode plate 1, the negative electrode plate 2, and the separator 3 are wound in a spiral shape on the outer peripheral face of the battery group 6 at least one turn or more with a tape 28. <P>COPYRIGHT: (C)2009,JPO&INPIT |