Separator plate for an electrochemical system and associated assembly comprising a plurality of separator plates

A separator plate for an electrochemical system, comprising a first individual plate and a second individual plate connected to the first individual plate,

• wherein the first individual plate has first channels for guiding media, wherein the first channels are integrally formed on a side of the first individual plate that faces away from the second individual plate, wherein the first channels extend next to each other, and are separated from each other by first webs formed between the first channels,
• wherein, on a side of the first individual plate that faces the second individual plate, the first channels form first protrusions and the first webs form first grooves,
• wherein the second individual plate has second channels for guiding media, wherein the second channels are integrally formed on a side of the second individual plate that faces away from the first individual plate, wherein the second channels extend next to each other, and are separated from each other by second webs formed between the second channels,
• wherein, on a side of the second individual plate that faces the first individual plate, the second channels form second protrusions and the second webs form second grooves,
• wherein the first individual plate is arranged opposite the second individual plate in such a way that the second protrusions project into the first grooves at a first distance and the first protrusions project into the second grooves at a second distance,
• wherein at least one of the first grooves and/or at least one of the second grooves, in a section along its longitudinal extension, is stepped transversely to its longitudinal extension with a region of reduced groove depth—forming a support structure—wherein the region of reduced groove depth contacts an opposite protrusion of the other individual plate to support the first individual plate on the second individual plate.