Abstract: The invention relates to a recombiner system (1) for catalytically recombining hydrogen that is produced in energy accumulators or energy converters. The aim of the invention is to provide a recombiner system (1) which can optionally be used for energy accumulator or energy converter systems having different operating conditions and that helps to counteract functional defects. For this purpose, the recombiner system (1) is formed by individual recombiner elements (2) that can be combined with each other in a modular fashion, said recombiner elements (2) comprising at least one respective catalyst (12).