ELECTROCHEMICAL DEVICE PROVIDED WITH A SAFETY ARRANGEMENT FOR A POUCH CELL

Abstract

An electrochemical device comprises device comprising at least one pouch cell and a safety arrangement is described. The safety arrangement comprises a holding structure and at least one pouch piercing element. The at least one pouch piercing element is held adjacent to a corresponding pouch cell by the holding structure with a piercing end facing the corresponding pouch cell. Each flexible pouch cell is attached to the holding structure and is expandable in at least one direction, and one of the directions is towards the corresponding piercing element so that the piercing element pierces the pouch cell at the piercing end.

CPC Classifications