CHARACTERIZATION OF PMMA BASED NANO-COMPOSITE POLYMER GEL ELECTROLYTES CONTAINING AMMONIUM THIOCYANATE FOR ADVANCED ELECTROCHEMICAL DEVICES

Author(s):  
KUMAR RAJIV ◽  
2010 ◽  
Vol 8 (6) ◽  
pp. 1311-1317 ◽  
Author(s):  
Mariusz Walkowiak ◽  
Monika Osińska ◽  
Teofil Jesionowski ◽  
Katarzyna Siwińska-Stefańska

AbstractThis paper describes the synthesis and properties of a new type of ceramic fillers for composite polymer gel electrolytes. Hybrid TiO2-SiO2 ceramic powders have been obtained by co-precipitation from titanium(IV) sulfate solution using sodium silicate as the precipitating agent. The resulting submicron-size powders have been applied as fillers for composite polymer gel electrolytes for Li-ion batteries based on poly(vinylidene fluoride-co-hexafluoropropylene) (PVdF/HFP) copolymeric membranes. The powders, dry membranes and gel electrolytes have been examined structurally and electrochemically, showing favorable properties in terms of electrolyte uptake and electrochemical characteristics in Li-ion cells.


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