Polymer electrolyte system based on (PEO+KBrO 3) — its application as an electrochemical cell

Ion-conducting polymer electrolyte films based on poly (ethylene oxide) (PEO) complexed with potassium bromate (KBrO 3) are prepared by a solution-cast technique. Several experimental techniques such as differential scanning calorimetry (DSC), dc-conductivity and transference number measurements are...

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Bibliographic Details
Published in:Journal of power sources 2001-02, Vol.93 (1), p.268-272
Main Authors: Sreekanth, T, Jaipal Reddy, M, Subba Rao, U.V
Format: Article
Language:English
Subjects:
Applied sciences
Conductivity
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical cells
Electrochemical conversion: primary and secondary batteries, fuel cells
Electronic tubes, masers
Electronics
Exact sciences and technology
Polymer electrolyte
Potassium bromate
Transport numbers
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Summary:Ion-conducting polymer electrolyte films based on poly (ethylene oxide) (PEO) complexed with potassium bromate (KBrO 3) are prepared by a solution-cast technique. Several experimental techniques such as differential scanning calorimetry (DSC), dc-conductivity and transference number measurements are employed to characterise this polymer electrolyte system. The conductivity–temperature plots show two regions in the temperature range of study and transport number data which indicate that the charge transport in this electrolyte system is predominantly due to ions. Using these polymer electrolyte films, solid-state electrochemical cells are fabricated and their discharge characteristics are examined for a constant load of 100 kΩ. Several cell parameters associated with the cells are evaluated and reported.
ISSN:0378-7753
1873-2755
DOI:10.1016/S0378-7753(00)00558-9