Abstract
The effects of additive such as H₂O₂ 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 H₂O₂ depolarizer. Higher cell power was achieved when higher KOH electrolyte concentration and higher H₂O₂ depolarizer amount. The maximum power was increased by the increase amount H₂O₂ depolarizer, it was found that H₂O₂depolarizer 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 H₂O₂ addition amounts.
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