SYSTEMS AND METHODS FOR FUEL CELL AUXILIARY POWER IN SECONDARY FUEL APPLICATIONS

A cryogenic fuel auxiliary power system (200) for an engine (20) may include a cryogenic fuel supply (210), a first valve (212) in fluid communication with the cryogenic fuel supply and configured to control a fuel flow, a first heat exchanger (234), configured to receive the fuel flow, in fluid communication with the first valve and a combustion chamber of the engine, and a fuel cell (220) in fluid communication between the first valve and the first heat exchanger.