The present invention proposes a micro-tubular solid oxide fuel cell arrangement comprising at least two micro-tubular elements (10, 10'), the micro-tubular elements (10, 10') comprising a tubular inner electrode (14), covered on its outer surface with an ...

The invention relates to a multilevel DC/AC converter (1) for producing an output voltage of varying amplitude, comprising a first DC voltage source (11) and a first voltage divider module, connected in series with the first DC voltage source (11), wherein...

The present invention proposes a fuel cell, in particular a proton exchange membrane fuel cell, comprising a reactant gas inlet (12), a reactant gas outlet (14) and a plurality of reactant gas flow channels between the reactant gas inlet (12) and the react...