The method includes combining reactants in an electrochemical conversion reaction to produce an electric current and {HEAD ~ water}, and conveying at least some of {TAIL ~ the water} through a water transport unit that is coupled to the fuel cell such that water can be exchanged between the water transport unit and the fuel cell 
The method includes combining reactants in an electrochemical conversion reaction to produce an electric current and { HEAD ~ water } , and conveying at least some of { TAIL ~ the water } through a water transport unit that is coupled to the fuel cell such that water can be exchanged between the water transport unit and the fuel cell
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