Abstract:
An aircraft contains a plurality of solid oxide fuel cells located in different portions of the aircraft. A method of operating the plurality of solid oxide fuel cells includes providing power from each of the plurality of solid oxide fuel cells to at least one of a plurality of power consuming components located in a same portion of the aircraft as the solid oxide fuel cell. Another method of operating at least one solid oxide fuel cell located in an aircraft includes providing ambient air and power to the solid oxide fuel cell without providing fuel to the solid oxide fuel cell to generate oxygen for the aircraft cabin when the aircraft is in flight. Another method of operating at least one solid oxide fuel cell located in a passenger aircraft includes providing water from the solid oxide fuel cell to the aircraft cabin.
Abstract:
A solid oxide regenerative fuel cell system is used to supply power in a fuel cell mode and to generate metabolic oxygen and a hydrocarbon fuel reserve in an electrolysis mode. The system may also be used as a secondary power source or for energy peak shaving applications.
Abstract:
A method of operating a fuel cell electrochemical system includes receiving at least one of a cost of electricity and a cost of fuel and adjusting at least one of an operating efficiency and throughput of the fuel cell based on the at least one of the received cost of electricity and the received cost of fuel.
Abstract:
A water purification system includes a fuel cell stack, a steam generator, and a water purification unit. The fuel cell stack is adapted to provide heat to the steam generator and the steam generator is adapted to provide steam to the water purification unit.
Abstract:
A high temperature electrochemical system, such as a solid oxide fuel cell system, generates hydrogen and optionally electricity in a fuel cell mode. At least a part of the generated hydrogen is separated and stored or provided to a hydrogen using device. A solid oxide regenerative fuel cell system stores carbon dioxide in a fuel cell mode. The system generates a methane fuel in an electrolysis mode from the stored carbon dioxide and water by using a Sabatier subsystem. Alternatively, the system generates a hydrogen fuel in an electrolysis mode from water alone.
Abstract:
An interconnect and gas separator for a solid oxide fuel cell includes a cermet material comprising a first conductive phase and a second ceramic phase or a multi-component ceramic material including a first ceramic ionically conductive and electrically non-conductive component and a second ceramic electrically conductive component.
Abstract:
A ceramic electrolyte for a solid oxide fuel cell includes at least one non-uniform surface portion. Preferably, the electrolyte surface is textured.
Abstract:
A method of operating a fuel cell electrochemical system includes receiving at least one of a cost of electricity and a cost of fuel and adjusting at least one of an operating efficiency and throughput of the fuel cell based on the at least one of the received cost of electricity and the received cost of fuel.
Abstract:
A method of operating a high temperature fuel cell system containing a plurality of fuel cell stacks includes operating one or more of the plurality of fuel cell stacks at a first output power while operating another one or more of the plurality of the fuel cell stacks at a second output power different from the first output power.