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Journal of Nanostructures، جلد ۱۱، شماره ۳، صفحات ۶۰۱-۶۰۸
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عنوان انگلیسی Improvement Efficiency of AgO Cathode and Zinc Anode for AgO/Zn Alkaline Primary Cell
چکیده انگلیسی مقاله In this work, we presented an improvement in specific capacity of AgO cathode and zinc anode for AgO/Zn primary alkaline cell. The coprecipitation process was used to introduce different amount of Pb additive to the AgO structure (n%Pb-AgO). The four point probe method revealed that the electrical resistivity of AgO decreased with addition of Pb Additive. The galvanostatic discharge of the prepared cathode electrodes at current density of 250 mA cm-2 showed increased specific capacity by 15% which is clearly resulted from the decreased the electrical resistivity. Also, the electrodeposition method was employed to prepare dendritic zinc metal powder under different applied current densities. The prepared dendritic zinc powder at current density of 250 mA cm-2 showed a great potential to serve as anode material for AgO/Zn cell. The galvanostatic discharge of AgO/Zn cells at current density of 300 mA cm-2 indicated that the discharge capacity of cell increased to 174 mAh g-1 when Pb additive was introduced to the AgO cathode material. In contrast, AgO/Zn cell comprising the AgO cathode without any Pb additive showed the discharge capacity of 155 mAh g-1.
کلیدواژه‌های انگلیسی مقاله AgO cathode, Pb additive, Primary alkaline cell, Zinc anode
نویسندگان مقاله Mehdi Rahbar |
Institute of Nanoscience and Nanotechnology, University of Kashan, Iran

Seyed Mostafa Hosseini |
Iran Polymer and Petrochemical Institute, Tehran, Iran

Mohsen Behpour |
Department of Analytical Chemistry, Faculty of Chemistry, University of Kashan, 87317-51167 Kashan, Iran

نشانی اینترنتی https://jns.kashanu.ac.ir/article_111888_082db44747ac9bc320bbb8d1d8865f95.pdf
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