Encapsulation head and encapsulation device for flexible package lithium -ion battery cell

The utility model discloses a soft -packing lithium ion cell's encapsulation head, including an upper cover, the upper cover has a last encapsulation portion that is located its lower extreme, and be located a low head of upper cover below, the low head have be located its the upper end and with go up the relative portion of encapsulation once of encapsulation portion, go up encapsulation portion with encapsulation part down do not is formed with the R angle and reaches R angle down. The utility model discloses still provide a packaging hardware who has this encapsulation head. Setting up of upper and lower R angle has effectively avoided the mil damaged, has realized the no weeping of product, has improved the performance of product.