Ion transport and electrochemical cell characteristic studies of a new (PVP + NaNO3) polymer electrolyte system

Polymer electrolyte films based on poly (vinyl pyrrolidone) (PVP) complexed with NaNO3 salt have been prepared by solution—cast technique. Several experimental techniques such as X-ray diffraction, Infrared (IR), DC—electrical conductivity, transference number measurements have been employed to char...

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Bibliographic Details
Published in:Journal of materials science 2000, Vol.35 (11), p.2841-2845
Main Authors: JAIPAL REDDY, M, SREEKANTH, T, CHANDRASHEKAR, M, SUBBA RAO, U. V
Format: Article
Language:English
Subjects:
Applied sciences
Charge transport
Circuits
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrical resistivity
Electrical, magnetic and optical properties
Electrochemical cells
Electrochemical conversion: primary and secondary batteries, fuel cells
Electrolytes
Exact sciences and technology
Ion transport
Ions
Materials science
Open circuit voltage
Organic polymers
Physicochemistry of polymers
Polymer films
Polymers
Properties and characterization
Short circuit currents
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Summary:Polymer electrolyte films based on poly (vinyl pyrrolidone) (PVP) complexed with NaNO3 salt have been prepared by solution—cast technique. Several experimental techniques such as X-ray diffraction, Infrared (IR), DC—electrical conductivity, transference number measurements have been employed to characterize the polymer electrolyte. The conductivity of the (PVP + NaNO3) electrolyte is about 104 times larger than that of pure PVP at room temperature. The transference number measurements show that the charge transport in this polymer electrolyte system is predominantly due to ions. Using this polymer electrolyte, an electrochemical cell with the configuration Na/(PVP + NaNO3)/(I2 + 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 2.65 V and 1.1 mA respectively. A number of other cell parameters evaluated are also reported.
ISSN:0022-2461
1573-4803
DOI:10.1023/A:1004707521250