A package for a refill for dispensing a volatile material is disclosed that includes a wall portion and a cartridge refill removably attached to the wall portion. The electrochemical device includes a positive electrode, a negative electrode, and a liquid electrolyte or a solid electrolyte. The method further includes a step of separating at the level of the embrittled zone the superficial part of the block from a remaining part of the block from the separation initiator, wherein the separation step includes at least one of a thermal treatment and the application of mechanical forces acting between the superficial part and the embrittled zone.