STUDY OF A THIN-FILM ELECTROCHEMICAL-CELL BASED ON (PVP+AGNO3) ELECTROLYTE

被引:25
作者
REDDY, MJ
RAO, SS
LAXMINARSAIAH, E
RAO, UVS
机构
[1] Department of Physics, Osmania University, Hyderabad
关键词
ELECTROCHEMICAL CELLS; POLYMER ELECTROLYTES; PVP; THIN FILMS;
D O I
10.1016/0167-2738(95)00128-S
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A new silver ion conducting polymer electrolyte based on polyvinylpyrrolidone (PVP) complexed with AgNO3 has been prepared using solution-cast technique. IR, electrical conductivity and transference number measurements have been performed to characterize the polymer electrolyte. The transport number measurements have shown that the electrolyte is a mixed (ionic + electronic) conductor, the charge transport being mainly due to ionic (t(100) similar or equal to 0.94). Using the electrolyte, an electrochemical cell with the configuration Ag/PVP + AgNO3/(I-2 + C + electrolyte) has been fabricated and its discharge characteristics studied. The open circuit voltage (OCV) and short circuit current (SCC) observed for the cell are 460 mV and 65 mu A respectively. A number of other cell parameters evaluated are also reported.
引用
收藏
页码:93 / 98
页数:6
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