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Effect of Li3+ Ion Irradiation on Ionic Transport Properties of Complexed Polymer Electrolytes

Published online by Cambridge University Press:  01 February 2011

Prem Narain Gupta ,
Govind Kumar Prajapati  and
Rupesh Roshan
Prem Narain Gupta
Affiliation:
[email protected]
Govind Kumar Prajapati
Affiliation:
[email protected], Banaras Hindu University, Physics, Varanasi, Uttar Pradesh, India
Rupesh Roshan
Affiliation:
[email protected], Banaras Hindu University, Physics, Varanasi, Uttar Pradesh, India
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Abstract

Swift heavy ion (SHI) irradiation effects on ionic conduction in the PVA-H3PO4 polymer electrolyte films have been investigated due to its variety of applications in electrochemical devices. Polymer electrolytes films are irradiated with 50 MeV Li3+ ions having five different fluences viz. 5x1010, 1011, 5x1011, 1012 and 5x1012 ions/cm2. It is observed that irradiation of the polymer electrolyte films with swift heavy ions shows enhancement in conductivity at lower fluences and decrease in conductivity at higher fluences. It appears that below the critical fluence, swift heavy ion irradiation increases the diffusivity of Li+ ion in the polymer electrolyte which provides larger pathways for ionic transport throughout the system. The temperature dependence of electrical conductivity variation has been used to compute the activation energy involved in conduction process.

Keywords

compositedielectric propertieselectrical properties
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1269: Symposium FF – Polymer Materials and Membranes for Energy Devices , 2010 , 1269-FF03-02
Copyright
Copyright © Materials Research Society 2010

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References

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