Importance

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Abstract

A fuel cell system arranged for the conversion of pure hydrogen comprising a) at least one fuel cell comprising an anode, a cathode and an electrolyte, and arranged for an internal reformation of methane, b) a fuel conduit connecting a fuel conduit inlet with an anode inlet, c) an anode exhaust conduit connecting an anode outlet and a methanation unit capable of producing methane from anode exhaust, and d) a methanation unit exhaust conduit connecting a methanation unit exit and the fuel conduit, and e) a water removal and/or water condenser unit coupled to the methanation unit exhaust conduit, wherein the fuel introduced into an inlet of the fuel conduit is pure hydrogen, and the amount of methane produced in the methanation unit is equal to the amount of methane reformed inside of the fuel cell so that the content of methane cycling through the fuel cell system is constant.

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First Claim