Fuel cell or hydrolyser and method for producing a fuel cell or a hydrolyser

摘要

The fuel cell or hydrolyzer has a central proton exchange membrane (2), diffuser layers (3) covering the membrane and flat electrodes (4) contacting the diffuser layers at the rear, of which at least one is supported on a rear cover via a seal (5). The seal has a volume expanded and/or volume expandable component activated by a chemical and/or physical effect. AN Independent claim is also included for the following: a method of manufacturing an inventive device.