Sealing frame for fuel cell stack

The invention relates to a sealing frame (50) for fuel cell stacks having an alternating arrangement of flow plates (10) and electrolyte devices (20), and cathode and anode regions formed between said flow plates (10) and electrolyte devices (20). The sealing frame (50) is embodied in such a way that it is suitable for fitting between the flow plates (10) and ensures the mutual sealing of the cathode regions and the anode regions.