Abstract
Effect of bismuth sulfide on the electrical properties of polyethylene oxide based polymer electrolyte
Highlights
Polymer electrolyte composites have attracted a lot of attention from last three decades because of the immense potential application in solid state batteries fuel cells, supercapacitors, dye sensitized solar cells, sensors and electro chromic display devices [1,2,3,4,5,6]
The initial conductivity is the conductivity of the pristine polymer electrolyte with no dispersal of bismuth sulfide and conductivity is primarily due to ions which are in the partially dissociated states
Bismuth sulfide is the low conductivity dispersoid and it can be treated as insulator which decreases the ion association resulting generation of access ion carriers in the polymer electrolyte [19]
Summary
Polymer electrolyte composites have attracted a lot of attention from last three decades because of the immense potential application in solid state batteries fuel cells, supercapacitors, dye sensitized solar cells, sensors and electro chromic display devices [1,2,3,4,5,6]. The electrical conductivity of above mentioned polymer electrolytes at the room temperature is of the order of 10-4-10-5 S cm-1. This poor conductivity is not desirable for device applications. Many approaches has been adopted to enhance the electrical conductivity of these polymer electrolytes [10,11,12,13,14]. One of the most versatile technique to enhance the electrical conductivity is preparation of the polymer electrolyte composites. An attempt has been made to prepare the high conducting polymer electrolyte composites in which third phase semiconductor bismuth sulfide is dispersed in pristine polymer electrolyte (PEO: NH4ClO4). The present polymer electrolyte composite is beneficial as electrolyte and electrode material in the electrochemical devices
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