A method of operating a fuel cell system includes providing a fuel inlet stream into a fuel cell stack, operating the fuel cell stack to generate electricity and a hydrogen containing fuel exhaust stream, separating at least a portion of hydrogen contained in the fuel exhaust stream using a cascaded...http://www.google.es/patents/US7833668?utm_source=gb-gplus-sharePatente US7833668 - Fuel cell system with greater than 95% fuel utilization
Fuel cell system with greater than 95% fuel utilization
