| 摘要 |
<p>A button-type battery used as portable electrical equipment electrical source, which comprises case, face covering, gasket provided in the connection part of the case and the face covering,and composite battery core provided in the case, characterized in that the composite battery core is laminated by one or more than one electrode plate group, each electrode plate group is composed of a positive electrode plate and a negative electrode plate, insulation plate is interposed between the electrode plate groups, the shape of the cross section and the size of composite battery core accord with the inner space of the case.</p> |
