Method for operating fuel cell and fuel cell system

Details Method for operating fuel cell and fuel cell system Method for operating fuel cell and fuel cell system

2010-01-14

2010-12-21

Cantelmo, Gregg (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Process or means for producing, recycling, or treating...

C429S410000, C429S506000

Reexamination Certificate

active

07855019

ABSTRACT:
A method for operating a direct methanol fuel cell is provided. The fuel cell includes a fuel cell main body having a fuel electrode and an air electrode disposed in opposing positions on either side of an electrolyte film. In this method, an aqueous methanol solution is supplied directly to the fuel electrode. A quantity of the aqueous methanol solution supplied is controlled in accordance with an electric current value drawn from the fuel cell main body so as to minimize a quantity of unused methanol within a discharge fluid discharged from the fuel electrode.

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