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EFFECTS OF Ni(OH)_2 ADDITIVE ON RECHARGEABILITY OF MnO_2 ELECTRODES IN KOH SOLUTION

Liang Bao-chen

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Abstract

The rechargeabitity of electrolytic MnO2 electrodes in 7 mol/L KOH solution was studied by methods of the cyclic voltammetry and constant recharge/discharge of model cells. It was observed that the spherical Ni(OH)2 additive showed a positive effect on the reversibility of Mn2 electrodes. A comparative analysis of voltammograms of MnO2 electrodes modified by Ni (OH)2 and Bi2O3 was given to illustrate the interactions of Ni(OH)2 and manganese oxides. .

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The rechargeabitity of electrolytic MnO2 electrodes in 7 mol/L KOH solution was studied by methods of the cyclic voltammetry and constant recharge/discharge of model cells. It was observed that the spherical Ni(OH)2 additive showed a positive effect on the reversibility of Mn2 electrodes. A comparative analysis of voltammograms of MnO2 electrodes modified by Ni (OH)2 and Bi2O3 was given to illustrate the interactions of Ni(OH)2 and manganese oxides. .

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Available abstract

The rechargeabitity of electrolytic MnO2 electrodes in 7 mol/L KOH solution was studied by methods of the cyclic voltammetry and constant recharge/discharge of model cells. It was observed that the spherical Ni(OH)2 additive showed a positive effect on the reversibility of Mn2 electrodes. A comparative analysis of voltammograms of MnO2 electrodes modified by Ni (OH)2 and Bi2O3 was given to illustrate the interactions of Ni(OH)2 and manganese oxides. .

Key concepts: Electrode, Manganese, Cyclic voltammetry, Inorganic chemistry, Electrolyte, Materials science, Chemistry, Electrochemistry

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