Self-discharge of the alkaline iron electrode |
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Authors: | Lars Öjefors |
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Affiliation: | Department of Chemical Technology, Royal Institute of Technology, 100 44, Stockholm 70, Sweden |
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Abstract: | The self-discharge reaction, which is a hydrogen-evolving corrosion process, where the anode reaction is identical to the first discharge step, has been studied by three different methods: H2-evolution, polarization curves and potentiodynamic discharge. The influence of 28 additives at 30, 50 and 70°C on both discharge and self-discharge is shown. Most additives decrease both the self-discharge and discharge rates but for K2S and hydrazinesulphate added to the electroylte. These two additives have a positive influence on the discharge process of the iron electrode. |
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