| Patent application number | Description | Published |
| 20090053569 | Fuel cell system components - A fuel cell stack module includes a plurality of fuel cell stacks, a base supporting the plurality of fuel cell stacks, and a metal shell located over the base and the fuel cell stacks. The metal shell contains an integrated heat exchanger. | 02-26-2009 |
| 20090246596 | Fuel cell system for charging an electric vehicle - A method for charging electric vehicles includes receiving information regarding an electric vehicle. At least a portion of the information is received through a vehicle interface configured to place a battery of the electric vehicle into electrical communication with a fuel cell system. A charge is delivered from the fuel cell system to the battery of the electric vehicle through the vehicle interface without use of a direct current to alternating current (DC/AC) converter. The charge is delivered based at least in part on the information. | 10-01-2009 |
| 20090280360 | Derivation of control parameters of fuel cell systems for flexible fuel operation - A method of operating a fuel cell system includes characterizing the fuel or fuels being provided into the fuel cell system, characterizing the oxidizing gas or gases being provided into the fuel cell system, and calculating at least one of the steam:carbon ratio, fuel utilization and oxidizing gas utilization based on the step of characterization. | 11-12-2009 |
| 20100009221 | Recuperators with spiral flow for fuel cell systems - A fuel cell system includes a plurality of fuel cell stacks, and one or more devices which in operation of the system provide an azimuthal direction to one or more anode or cathode feed or exhaust fluid flows in the system. | 01-14-2010 |
| 20100028734 | Structure for high temperature fuel cell system start up and shutdown - A fuel cell system includes a fuel cell stack and a PEM stack for providing power to the system in a start up or shut down operating mode and hydrogen to the fuel cell stack in a steady state operating mode. | 02-04-2010 |
| 20100035092 | Structure and method for SOFC operation with failed cell diode bypass - A fuel cell system includes a fuel cell stack which includes a plurality of fuel cells contacted in series by a plurality of interconnect plates. At least two interconnect plates are contacted by a high-temperature bypass diode that is physically integrated in the fuel cell stack. | 02-11-2010 |
| 20100248049 | Fuel cell system with interruption control - A method for operating a fuel cell system during an interruption includes identifying a load interruption in which an external load is partially or fully unable to draw electrical power from the fuel cell system. At least a first fuel cell column of the fuel cell system is operated in an electrolysis mode such that the first fuel cell column generates fuel during the load interruption. Power is provided to the first fuel cell column in the electrolysis mode from at least a second fuel cell column of the fuel cell system. The second fuel cell column is operating in a normal power generation operating mode. | 09-30-2010 |
| 20100266923 | FUEL CELL SYSTEM WITH ELECTROCHEMICAL HYDROGEN PUMP AND METHOD OF OPERATING SAME - A fuel cell system includes a plurality of fuel cells, a plurality of interconnects, and a hydrogen separation device, wherein the hydrogen separation device separates hydrogen from the fuel cell stack anode exhaust. The separated hydrogen is then reintroduced into the fuel cell stack to optimize overall system efficiency. Monitoring of the performance of the hydrogen separation device gives an indication as to the fuel cell system performance. | 10-21-2010 |
| 20100287012 | Method and system for measuring carbon dioxide reduction - A system and method is provided for managing energy data. The system includes a energy transformation device, a central energy data management system and a database containing carbon dioxide credit information. Managing the energy data includes measuring an amount of power produced or consumed by an energy transformation device, measuring an amount of carbon dioxide emitted, converted or sequestered by the energy transformation device, creating a dataset of the power produced or consumed and the amount of carbon dioxide emitted or sequestered, and transmitting the dataset and characteristic data to a central energy data management system. The method also includes, receiving energy measurements and characteristic data from an energy transformation device, obtaining carbon dioxide credit information and comparing the received energy measurements and the characteristic data with the received carbon dioxide credit information to obtain a carbon dioxide credit for the energy transformation device. | 11-11-2010 |
| 20110008687 | Fuel cell system with quick connect components - Embodiments relate to a fuel cell system. In an embodiment, the fuel cell system includes advanced leak test capabilities. In another embodiment, the fuel cell system includes a system to bypass one or more separation units while permitting the fuel cell system to continue to produce electricity. In another embodiment, the fuel cell system includes an alignment system that permits ease of alignment when a fuel cell module is installed proximate a fuel processing module. In another embodiment, the fuel cell system includes a system of supplying auxiliary fuel from a mobile auxiliary fuel supply. In an embodiment, one or more or all of these embodiments may be practiced together in combination. | 01-13-2011 |