| Patent Number |
Title Of Patent |
Date Issued |
| 7553579 |
Solid oxide fuel cell stack with floating cells |
June 30, 2009 |
| A solid oxide fuel cell stack includes a fuel cell unit consisting of a fuel cell framed by a cell holder plate and upper and lower cushioning elements. The fuel cell unit is stacked with flow field seals and solid flow separator plates. The fuel cell thus floats without direct contact |
| 7291415 |
Solid oxide fuel cell with external manifolds |
November 6, 2007 |
| A solid oxide fuel cell stack may include repeating fuel cell units each having a planar fuel cell, an interconnect, a cathode contact layer disposed between sealing strips, and an anode contact layer disposed between sealing strips. The sealing strips have end extensions which overl |
| 7255953 |
Electrode pattern for solid state ionic devices |
August 14, 2007 |
| A solid oxide fuel cell electrode is stable during thermal cycling and includes a plurality of discrete geometric elements lightly packed on the electrolyte surface. Preferably, the geometric elements are regular hexagons, creating a "Thoneycomb" pattern electrode. |
| 7190568 |
Electrically conductive fuel cell contact materials |
March 13, 2007 |
| 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.sub.1-xE.sub.x |
| 6750169 |
Composite electrodes for solid state devices |
June 15, 2004 |
| A solid state ionic device includes a dense electrolyte sandwiched between two porous electrodes. In one embodiment, the device is anode supported and the cathode is formed of a porous three-dimensional solid phase structure having an electrocatalytic phase of a plurality of electroc |
| 6420064 |
Composite electrodes for solid state devices |
July 16, 2002 |
| A solid state ionic device includes a dense electrolyte sandwiched between two porous electrodes. In one embodiment, the device is anode supported and the cathode is formed of a porous three-dimensional solid phase structure having an electrocatalytic phase of a plurality of electroc |