Fuel cell systems
First Claim
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1. A fuel cell system, comprising:
- an outlet;
a fuel cell stack in fluid communication with the outlet;
an organic fuel in fluid communication with the fuel cell stack; and
an emission control system in fluid communication with the outlet, the control system capable of reducing an amount of an organic emission from the outlet.
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Abstract
Fuel cell systems and methods of operating fuel cell systems are disclosed. In some embodiments, the systems and methods include an emission control system that reduces an amount of organic emission(s) released from the fuel cell systems. The organic emission(s) can include, for example, methanol, formic acid, and/or formaldehyde.
35 Citations
56 Claims
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1. A fuel cell system, comprising:
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an outlet;
a fuel cell stack in fluid communication with the outlet;
an organic fuel in fluid communication with the fuel cell stack; and
an emission control system in fluid communication with the outlet, the control system capable of reducing an amount of an organic emission from the outlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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- 21. A fuel cell system, comprising a fuel cell including a gas diffusion layer having dispersed therein a first material capable of reducing an amount of an organic emission that contacts the first material.
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29. A fuel cell system, comprising:
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a fuel cell stack including a cathode catalyst and a passageway in fluid communication with the cathode catalyst; and
a mechanism adapted to restrict gas flow through passageway. - View Dependent Claims (30, 31, 32, 33, 34)
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35. A method of operating a fuel cell system, the method comprising:
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contacting an organic fuel to a catalyst of a fuel cell in the fuel cell system; and
reducing an amount of an organic emission from an outlet of the fuel cell system. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
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51. A method of operating a fuel cell system, the method comprising:
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deactivating the fuel cell system; and
reducing gas flow to the fuel cell system. - View Dependent Claims (52, 53, 54, 55, 56)
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Specification