| 摘要 |
STORAGE BATTERY AND PROCESS FOR MANUFACTURING THE SAME A storage battery includes an embossed separator disposed between negative and positive plates, the embossed separator having a plurality of concaves provided on a microporous sheet and channels connecting the concaves to one another and having a depth shallower than the concaves. The process for making the embossed separator includes passing the microporous sheet between a metallic embossing roll and an elastic roll and then cooling it without applying a tension. |
