| VERSA POWER SYSTEMS, LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120009507 | PRECONDITIONING TREATMENT TO ENHANCE REDOX TOLERANCE OF SOLID OXIDE FUEL CELLS - A high temperature, redox tolerant fuel cell anode electrode and method of fabrication in which the anode electrode is pre-conditioned by application of an initial controlled redox cycle to the electrode whereby an initial re-oxidation of the anode electrode is carried out at temperatures less than or equal to about 650° C. | 01-12-2012 |
| 20110111319 | ELECTRICALLY CONDUCTIVE FUEL CELL CONTACT MATERIAL - A multilayer contact approach for use in a planar solid oxide fuel cell stack includes at least 3 layers of an electrically conductive perovskite which has a coefficient of thermal expansion closely matching the fuel cell material. The perovskite material may comprise La | 05-12-2011 |
| 20110111310 | FUEL CELL SHUTDOWN WITH STEAM PURGING - The present invention relates to an apparatus for steam purging a solid oxide fuel cell stack. Purging the SOFC stack with steam has a physical flushing effect, removing carbon monoxide containing reformate and free oxygen gas from the anode area thereby reducing the potential for nickel oxide or nickel carbonyl formation. | 05-12-2011 |
| 20100239961 | HIGH TEMPERATURE GAS SEALS - A flexible seal for use in a solid oxide fuel cell stack is formed from a fibre matrix with a plurality of solid particles through tape casting method. The fibres and particles are preferably ceramic and may be formed from alumina or zirconia. The seal may be formed by forming a slurry of fibres, particles, a binder and a non-aqueous solvent, tape casting the slurry, drying the tape seal, die-cutting, prior to installation in the fuel cell stack. | 09-23-2010 |
| 20100028747 | PRECONDITIONING TREATMENT TO ENHANCE REDOX TOLERANCE OF SOLID OXIDE FUEL CELLS - A high temperature, redox tolerant fuel cell anode electrode and method of fabrication in which the anode electrode is pre-conditioned by application of an initial controlled redox cycle to the electrode whereby an initial re-oxidation of the anode electrode is carried out at temperatures less than or equal to about 650° C. | 02-04-2010 |
| 20100015476 | THERMALLY INTEGRATED FUEL CELL SYSTEM - A thermally integrated fuel cell system includes a stack zone, a burner zone and a low temperature zone. The fuel is combined with steam and passed sequentially through a primary reformer and a secondary reformer or a radiative fuel heat exchanger. Air may be passed sequentially through an afterburner heat exchanger and a radiative air heat exchanger such that the radiative heat exchanger may be used to heat the stack zone. The stack exhaust is combusted in an afterburner. Afterburner exhaust heats the primary reformer, the high temperature air heat exchanger, the low temperature air heat exchanger and steam generator. The stack zone includes the stacks, the secondary reformer and the radiative heat exchanger. The burner zone includes the afterburner which includes a start burner, the primary reformer and the high temperature air heat exchanger. The low temperature zone includes the low temperature air heat exchanger and a steam generator. | 01-21-2010 |
