A mediator-type photocell system (4) is provided. The mediator-type photocell system includes a galvanic cell (6) having a galvanic cell anode (12) and a galvanic cell cathode (11); and a light capturing portion (8), including a light capturing cathode (72...

The invention relates to a fuel cell arrangement with a fuel cell (FC) and an electrolytic cell (EC) arrangement. The fuel cell comprises a first and a second electrode (3, 4). The first is the anode (3) and the second is the cathode (4). The fuel cell has...

A fuel cell system is disclosed. The fuel cell system comprises a thermophotovoltaic insulation disposed around at least a portion of a fuel cell. Methods for operating the fuel cell system are also disclosed.