PROCESS FOR OPERATING A FUEL CELL SYSTEM, AND A FUEL CELL SYSTEM

摘要

A process is disclosed for operating a fuel cell system (2) with at least on e fuel cell block (4), at least one operating medium for the fuel cell block ( 4) being compressed by a liquid ring compressor (8). After compressing, water i s eliminated from the operating medium by a water separator (10) and is used f or cooling the fuel cell block (4). After cooling, at least part of the water i s returned to the device (10). This makes it possible to reduce the number of components of the fuel cell system (2).