Abstract
The resistance property of a single chamber fuel cell (SCFC) using a boehmite inorganic electrolyte as the proton conductor was studied by using alternating-current impedance method at room temperature operation (RT) in the dry gas mixtures of hydrogen and oxygen. The open circuit voltage (OCV) and maximum current density of SCFC using the Pt/CB electrode as anode and the Au or Pt electrodes as cathode were attained 776-690 mV and 0.13-0.17 mA/cm2. The cell resistance of SCFC using the Pt electrode became smaller value as compared with that using the Au electrode. The OCV of SCFC corresponded to a development index of polymer electrolyte fuel cell (PEFC), although the current density became lower than that of PEFC.
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