• management of the fuel-cell system in order to optimize the working conditions in terms of efficiency and safety Experimental Design of the cell As shown in the Figure 1, the cell presents the following features: The body is made of nickel so as to prevent corrosion, a fluid loop is used to thermostat the two gas compartments and an opening at the top of the cell is used as an inlet for electrolyte and allows a reference electrode to be adapted. The electrochemical part consists of a porous matrix impregnated with a 7M KOH solution located between two porous electrodes and this assembly is pressed between two polypropylene grids that are located in the gas compartments. Two kinds of porous matrix for the electrolyte have been tested: asbestos papers and polysulfone-bound zircon powder (ZIRFON). The porous electrodes consist mainly of platinized carbon sintered on a nickel grid, with Teflon powder as the binding agent: they were manufactured by ELENCO. The cathodes (positive electrodes) are coated on one side with a porous hydrophobic film made of
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