FUEL CELL APPARATUS AND ASSOCIATED METHOD
First Claim
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1. An apparatus, comprising;
- a housing comprising an electrochemical energy conversion device, the electrochemical energy conversion device having a plurality of electrodes, wherein at least one electrode is configured to receive an air gas stream flowing thereto;
a humidity exchange component capable of controlling a humidity level in the air gas stream flowing toward the electrode; and
a gas scrubber component comprising an active material capable of reducing a carbon dioxide content level from the air gas stream.
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Abstract
A fuel cell apparatus is provided that includes an electrochemical energy conversion device comprising an anode and a cathode. The cathode receives an air gas stream flowing thereto. The apparatus further includes a humidity exchange component and a gas scrubber component. The humidity exchange component controls a humidity level in the gas stream flowing toward the cathode. The gas scrubber component includes an active material that reduces a carbon dioxide content level from the air gas stream. A method of using the apparatus is provided.
100 Citations
38 Claims
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1. An apparatus, comprising;
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a housing comprising an electrochemical energy conversion device, the electrochemical energy conversion device having a plurality of electrodes, wherein at least one electrode is configured to receive an air gas stream flowing thereto; a humidity exchange component capable of controlling a humidity level in the air gas stream flowing toward the electrode; and a gas scrubber component comprising an active material capable of reducing a carbon dioxide content level from the air gas stream. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A method, comprising:
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contacting ambient air to a humidity buffer to control the humidity level of an air gas stream flowing from the ambient air toward at least one of plurality of electrode in an electrochemical cell; contacting the air gas stream to an active material layer, wherein the ambient air comprises a target gas; binding the target gas to the active material layer; and flowing the air gas stream, which is free of the target gas, toward the electrode. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. An apparatus, comprising:
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an electrochemical cell comprising an air electrode configured to receive an intake air gas stream; means for maintaining a defined relative humidity of the intake air gas stream to be in a range of from about 50 percent to about 90 percent; and means for reducing or eliminating carbon dioxide from the air gas stream.
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Specification