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http://dx.doi.org/10.5370/KIEE.2010.59.11.2026

Electric Conduction Properties of NaCl Electrolyte as a Function of Electrode Materials  

Kim, Yong-Hyuk (경원대학교 전기공학과)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.59, no.11, 2010 , pp. 2026-2031 More about this Journal
Abstract
The electrical characteristics of galvanic cell which is composed of the cathode electrode(graphite, carbon and copper) and the anode electrode(Zn and Mg) were investigated. For this research as electrolyte 2~12 wt% NaCl aqueous solution were used. At graphite cathode electrodes which use Zn and Mg with the anode electrode, the open circuit voltage was 1.3V most highly. The maximum output power increased as the electrolyte concentration increased, due to a increase in ion density. When Zn and Mg with the anode electrode, the maximum output power respectively was evaluated as 2.2mW and 5.5mW about the graphite cathode electrode in the NaCl 4wt%. The research results indicated that the output power of cell which is composed with graphite with the cathode and Mg with the anode was most excellent and the efficiency of the cell could be enhanced by increasing the electrolyte concentration.
Keywords
Galvanic cell; NaCl electrolyte; Graphite electrode; Cathode; Anode;
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