Fuel cell
First Claim
Patent Images
1. A fuel cell comprising:
- a fuel cell having an anode and a cathode and which produces a voltage output which is supplied to a load;
an electrical energy storage device; and
a controller electrically coupled to the fuel cell, and which periodically shunts the voltage output of the fuel cell between the anode and cathode by electrically coupling the electrical energy storage device to the anode and cathode of the fuel cell.
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Abstract
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 of the fuel cell between the anode and cathode by electrically coupling the electrical energy storage device to the anode and cathode of the fuel cell.
7 Citations
36 Claims
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1. A fuel cell comprising:
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a fuel cell having an anode and a cathode and which produces a voltage output which is supplied to a load;
an electrical energy storage device; and
a controller electrically coupled to the fuel cell, and which periodically shunts the voltage output of the fuel cell between the anode and cathode by electrically coupling the electrical energy storage device to the anode and cathode of the fuel cell. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A fuel cell having an anode and a cathode and which produces an electrical current having a voltage output, and which is delivered to a load, comprising:
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an electrical energy storage device which is selectively electrically coupled to the fuel cell and which is further electrically coupled to the load; and
a controller for selectively delivering the voltage output of the fuel cell to the load, and periodically shunting the voltage output between the anode and cathode by selectively electrically coupling the electrical energy storage device to the anode and cathode, and wherein the voltage output of the fuel cell during the shunting is stored as an electrical charge by the electrical energy storage device, and wherein the electrical energy storage device is selectively discharged to deliver the stored electrical charge to the load. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A fuel cell having an anode and a cathode and which produces an electric power output which is delivered to a load, comprising:
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first electrical circuitry which selectively electrically couples a fuel cell having a voltage and an electric current output to a load;
an output bus which is electrically coupled with each of the first electrical circuitry and with the load;
second electrical circuitry which is electrically coupled to the first electrical circuitry and, wherein the first electrical circuitry shunts the electrical current and voltage output of the fuel cell between the anode and cathode thereof;
a controller electrically coupled in controlling relation relative to the first and second electrical circuitry and in voltage and electric current sensing relation relative to the electrical output of the fuel cell, and the voltage and current demand of the load; and
an electrical energy storage device which is selectively electrically coupled with the second electrical circuitry and which stores the voltage and electric current output of the fuel cell when the first electrical circuitry shunts the voltage and electric current output of the fuel cell between the anode and cathode thereof, and wherein the electrical energy storage device is selectively electrically discharged by the second electrical circuitry to deliver the stored voltage and electric current output to the load. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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Specification