Abstract:The Influence of Potassium Ion on the Electrodeposition and Electrochemistry of Electrolytic Manganese Dioxide.-Electrolytic MnO2 is prepared in the presence of varying amounts of K+ in the electrodeposition bath. Depending on the K+ concentration in the bath, the acid concentration, and the current density, incorporation of 54-5150 ppm K+ is observed. The incorporation of K+ is accompanied by the formation of α-MnO2 as a minor component along with the usual γ-MnO2. Even small amounts of the αphase (¿ 3%) have… Show more
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