Anti-explosion package of soft-packed secondary battery

An anti-explosion package of a soft-packed secondary battery, characterized in that, comprising an upper film, a lower film, a packaging area and an anti-explosion area,

• an outer edge of the upper film and an outer edge of the lower film are sealed and connected with each other, so as to form a hollow cavity for accommodating a naked battery core;
• wherein, a packaging area with a certain width is provided on at least one outer edge of the upper film and the lower film, the anti-explosion area is arranged in the packaging area, all the packaging areas of the upper film and the lower film are adhered together except the location of the anti-explosion area, so that the upper film and the lower film are sealed at this side,
• the anti-explosion area comprises an opening area and a transition area,
• the opening area and the transition area are arranged successively in a direction from an edge of the packaging area close to the hollow cavity to an edge away from the hollow cavity;
• a portion of the upper film and the lower film located at the opening area is not adhered, a portion of the upper film and the lower film located at the transition area is adhered with an intensity less than that of the packaging area.