| Patent Number |
Title Of Patent |
Date Issued |
| RE39556 |
Fuel cell and method for controlling same |
April 10, 2007 |
| The present invention relates to an improved fuel cell and method of controlling same having an anode and a cathode which produces an electrical current having a given voltage and current output and which includes a controller electrically coupled with the fuel cell and which shunts |
| 7049017 |
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell |
May 23, 2006 |
| A fuel cell power system comprising a fuel cell having a cathode and an anode adapted to be coupled to a fuel supply, and which is configured to produce electrical power having a current and voltage output; a controller electrically coupled with the fuel cell, and configured to selec |
| 6982129 |
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell |
January 3, 2006 |
| A fuel cell power system comprising a fuel cell having a cathode and an anode adapted to be coupled to a fuel supply, and which is configured to produce electrical power having a current and voltage output; a controller electrically coupled with the fuel cell, and configured to selec |
| 6828050 |
Fuel cell |
December 7, 2004 |
| A fuel cell is disclosed and which includes an anode and a cathode and which produces a voltage output which is supplied to a load; an electrical energy storage device is provided; and a controller is electrically coupled to the fuel cell, and which periodically shunts the voltage output |
| 6811906 |
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell |
November 2, 2004 |
| A fuel cell power system comprising a fuel cell having a cathode and an anode adapted to be coupled to a fuel supply, and which is configured to produce electrical power having a current and voltage output; a controller electrically coupled with the fuel cell, and configured to selective |
| 6805987 |
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell |
October 19, 2004 |
| A fuel cell power system comprising a fuel cell having a cathode and an anode adapted to be coupled to a fuel supply, and which is configured to produce electrical power having a current and voltage output; a controller electrically coupled with the fuel cell, and configured to selective |
| 6773839 |
Fuel cell power systems and methods of controlling a fuel cell power system |
August 10, 2004 |
| Fuel cell power systems and methods of controlling a fuel cell power system are provided. According to one aspect, a fuel cell power system includes a plurality of fuel cells electrically coupled with plural terminals and individually configured to convert chemical energy into electricit |
| 6620538 |
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell |
September 16, 2003 |
| A fuel cell power system comprising a fuel cell having a cathode and an anode adapted to be coupled to a fuel supply, and which is configured to produce electrical power having a current and voltage output; a controller electrically coupled with the fuel cell, and configured to selective |
| 6468682 |
Ion exchange membrane fuel cell |
October 22, 2002 |
| An ion exchange membrane fuel cell is described and which includes a module enclosing a membrane electrode diffusion assembly which has an active area defined by a surface area, and which produces an average current density of at least about 350 mA per square centimeter of surface area w |
| 6387556 |
Fuel cell power systems and methods of controlling a fuel cell power system |
May 14, 2002 |
| Fuel cell power systems and methods of controlling a fuel cell power system are provided. According to one aspect, a fuel cell power system includes a plurality of fuel cells electrically coupled with plural terminals and individually configured to convert chemical energy into electricit |
| 6383556 |
Method for forming a membrane electrode diffusion assembly for use in an ion exchange membrane f |
May 7, 2002 |
| A method for forming a membrane electrode diffusion assembly for use in an ion exchange membrane fuel cell is described and which includes, providing an ion conducting electrolyte membrane having opposite sides; and applying a first diffusion layer to one of the opposite sides of the ion |
| 6218035 |
Proton exchange membrane fuel cell power system |
April 17, 2001 |
| A proton exchange membrane fuel cell power system for producing electrical power is described and which includes a plurality of discrete fuel cell modules having at least two membrane electrode diffusion assemblies, each of the membrane electrode diffusion assemblies having opposite anod |
| 6096449 |
Fuel cell and method for controlling same |
August 1, 2000 |
| The present invention relates to an improved fuel cell and method for controlling same having an anode and a cathode which produces an electrical current having a given voltage and current output and which includes a controller electrically coupled with the fuel cell and which shunts the |
| 6030718 |
Proton exchange membrane fuel cell power system |
February 29, 2000 |
| A proton exchange membrane fuel cell power system for producing electrical power is described and which includes a plurality of discrete fuel cell modules having at least two membrane electrode diffusion assemblies, each of the membrane electrode diffusion assemblies having opposite anod |
