摘要:
The power generation system and method of the present invention employ a solid oxide fuel cell (110) which reforms fuel to a degree which is controlled by the amount of fuel introduced to the solid oxide fuel cell (110). A preheater device (105) in fluid communication with a fuel side and an air side of a solid oxide fuel cell (110), such that air can be heated prior to introducing it to the air side of the solid oxide fuel cell (110). An energy conversion device in communication with the effluent (21) from the fuel side of a solid oxide fuel cell. This hybrid system more efficiently produces energy, both mechanical and electrical, over conventional systems.
摘要:
A method of controlling temperature at a fuel reformer (22) comprises sensing the temperature at the fuel reformer (22) and adding air (48) to the fuel reformer (22). A dual air actuator system (100) for use with a fuel reformer (22) comprises air control valves (45, 46) in fluid communication with the fuel reformer (22) and a temperature sensor (72) in electrical communication with the air control valves (45, 46).
摘要:
The power generation system and method of the present invention employ a solid oxide fuel cell (110) which reforms fuel to a degree which is controlled by the amount of fuel introduced to the solid oxide fuel cell (110). A preheater device (105) in fluid communication with a fuel side and an air side of a solid oxide fuel cell (110), such that air can be heated prior to introducing it to the air side of the solid oxide fuel cell (110). An energy conversion device in communication with the effluent (21) from the fuel side of a solid oxide fuel cell. This hybrid system more efficiently produces energy, both mechanical and electrical, over conventional systems.
摘要:
A method and system (10) for controlling reformate (102) delivered to an electrochemical cell (50) in an electric power system (10). The system (10) comprises: a reformate pressure sensor (22) disposed in the reformate (102) and configured to measure reformate pressure; a controllable valve (60) configured to control the flow of reformate (102) to the electrochemical cell (50); and a controller (30) coupled to the reformate pressure sensor (22) and the controllable valve (60). The controller (30) receives a reformate pressure signal (104) from the reformate pressure sensor (22), a controllable valve position signal (106) from the controllable valve (60), and transmits a controllable valve command (108) to the controllable valve (60).
摘要:
A method for controlling a fuel cell system is disclosed. One embodiment of the method comprises supplying an amount of fuel and an amount of oxidant to a fuel cell stack. The amount of fuel supplied to the fuel cell stack is controlled to attain a desired voltage output, such that the desired voltage is at least partially based upon an input current and voltage for a battery in electrical communication with the fuel cell stack. A vehicle power system is also disclosed.
摘要:
A system (10) and method for modeling a reformate composition in an electric power system (10). The electric power system (10) may include a reformer, which produces a reformate (102), and an electrochemical cell, which utilizes the reformate (102) to generate electricity. The system (10) and method. comprise: a reformer temperature sensor, which generates a reformer temperature signal representative of a reformer temperature; an airflow sensor, which generates an airflow signal (122) representative of a measured airflow to the reformer; and a controller (30) configured to receive the abovementioned signals. The controller (30) performs the modeling and generates an estimate of the reformate (102) composition, where the estimate is responsive to at least one of the reformer temperature signal, the fuel flow signal (120), and the airflow signal (122).
摘要:
A temperature/reaction management system comprises a reformer system (86) and a mat material (80) fluidly coupled to a portion of the inlet (82) of the reforming zone of the reformer system (86). An inert material (92) and/or flame arrestor (90) can optionally be positioned before the mat material (80) to filter particulate matter, and lower the temperature of the fuel, respectively. A method for managing the temperature and reaction of fuel in an energy conversion device comprises dispensing an air/fuel mixture through a mat material (80) disposed against an inlet (82) of a reformer system (86). The air/fuel mixture is dispensed through a reflective surface (88) of the mat material (80) to maintain a first temperature that is less than a second temperature necessary for a gas phase reaction to occur. The mat material (80) inhibits the propagation of a flame into the reformer system (86), and allows fuel to enter the reformer system (86).
摘要:
A system (10) and method for modeling a reformate composition in an electric power system (10). The electric power system (10) may include a reformer, which produces a reformate (102), and an electrochemical cell, which utilizes the reformate (102) to generate electricity. The system (10) and method. comprise: a reformer temperature sensor, which generates a reformer temperature signal representative of a reformer temperature; an airflow sensor, which generates an airflow signal (122) representative of a measured airflow to the reformer; and a controller (30) configured to receive the abovementioned signals. The controller (30) performs the modeling and generates an estimate of the reformate (102) composition, where the estimate is responsive to at least one of the reformer temperature signal, the fuel flow signal (120), and the airflow signal (122).
摘要:
The present system and method relate to power generation utilizing an exhaust side solid oxide fuel cell (110). Fuel is burned in an engine (125) in the presence of air. The engine exhaust passes through a solid oxide fuel cell (110) where it is consumed in the production of electricity and ionization of oxygen in an air stream (1) also introduced to the solid oxide fuel cell (110). The solid oxide fuel cell effluent fuel stream (21') and/or air stream (23') can be recycled through the engine (125), directed through a turbine (130) to recover additional energy therefrom, and/or passed through a catalytic converter (135). The resulting system exhaust has negligible to zero amounts of nitric oxides, hydrocarbons, carbon monoxide, and particulates.