Module for an electrochemical device, having a longer useful life

An interconnector for an electrochemical module, comprising:

• a stack of electrochemical cells and interconnectors, each cell of the electrochemical cells being disposed between two of the interconnectors and in electrical and mechanical contact with the interconnectors;
• and
• electrical insulating elements, each of the electrical insulating elements being interposed between two of the interconnectors and surrounding a cell, wherein
• the interconnect includes at least one intermediate plate received between two end plates defining gas supply and gas collection chambers therebetween, and
• the intermediate plate includes a central region delimited externally by a lateral region including n lateral branch regions, n being at least equal to 1, each of the lateral branch regions being configured to be movable towards and to come into contact with one of the lateral branch regions of one of the intermediate plates of a directly adjacent interconnector in the stack, so as to provide electrical conduction between the two of the interconnectors, the intermediate plate not being covered by at least one of the two end plates at a lateral branch region.