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Effect of KOH Electrolyte and H2O2 Depolarizer on the Power Characteristics of Al/Air Fuel Cells
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 Title & Authors
Effect of KOH Electrolyte and H2O2 Depolarizer on the Power Characteristics of Al/Air Fuel Cells
Kim, Yong-Hyuk;
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The effects of additive such as in KOH electrolyte solution for the Aluminum/Air fuel cell were investigated with regard to electric power characteristics. The power generated by a Al/Air fuel cell was controlled by the KOH electrolyte solution and depolarizer. Higher cell power was achieved when higher KOH electrolyte concentration and higher depolarizer amount. The maximum power was increased by the increase amount depolarizer, it was found that depolarizer inhibits the generation of hydrogen and the polarization effect was reduced as a result. Internal resistance analysis was employed to elucidate the maximum power variation. Higher internal resistance created internal potential differences that drive current dissipating energy. In order to improve the output characteristics of the Al/Air fuel cell, it is thought to be desirable to increase the KOH electrolyte concentration and increase the addition amounts.
Al/Air fuel cell;KOH electrolyte; depolarizer;Maximum power;Internal resistance;polarization effect;
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