Patent ID: 8101321
Filing Date: 2012-01-24
Classification: H01M,Y02E,Y02T

Abstract:
1. A fuel cell system comprising: at least one fuel cell having an anode chamber having an outlet and an inlet; a hydrogen storage tank storing hydrogen at a pressure above atmospheric and communicating via a hydrogen supply line with the anode chamber; an anode circuit, unconverted hydrogen capable of being recirculated from a region downstream of the anode chamber into the hydrogen supply line via the anode circuit; at least one pumping device being provided in the hydrogen supply line and/or in the anode circuit between the outlet and the inlet of the anode chamber; and a turbine between the hydrogen storage tank and the anode chamber, the turbine supplying at least a portion of the power required for driving the pumping device; wherein at least the turbine is bearing-supported by hydrogen bearings supplied with hydrogen by the hydrogen storage tank.