Patent ID: 8597806
Filing Date: 2013-12-03
Classification: H01M,Y02E

Abstract:
1. A method for operating a fuel cell system with a passive reactant supply, providing a fuel cell system, the fuel cell system comprising a first fuel cell layer that includes a plurality of anodes, a plurality of cathodes, and an ion-conducting electrolyte, the plurality of anodes and plurality of cathodes arranged in a planar array with the plurality of anodes arranged adjacently on a first side of the first fuel cell layer and the plurality of cathodes arranged adjacently on a second side of the first fuel cell layer opposite the first side, wherein an area of each individual fuel cell in the planar array is in the range of 0.00000001 cm exposing the cathodes of the planar array to ambient air; and supplying a fuel to the anodes of the planar array at a pressure greater than that of the ambient air; wherein a fuel utilization of the system is greater than 75%.