A study on polymer blend electrolyte based on PVA/PVP with proton salt
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- 作者：N. Rajeswari (1)
S. Selvasekarapandian (2)
C. Sanjeeviraja (3)
J. Kawamura (4)
S. Asath Bahadur (5) - 关键词：PVA ; PVP ; Polymer blend ; X ; ray diffraction ; FTIR ; Laser Raman ; DSC ; Electrical properties ; Proton battery
- 刊名：Polymer Bulletin
- 出版年：2014
- 出版时间：May 2014
- 年：2014
- 卷：71
- 期：5
- 页码：1061-1080
- 全文大小：703 KB
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S. Selvasekarapandian (2)
C. Sanjeeviraja (3)
J. Kawamura (4)
S. Asath Bahadur (5)
1. Department of Physics, PSR Engineering College (Affiliated to Anna University), Sivakasi, 626140, Tamilnadu, India
2. Materials Research Centre, Coimbatore, 641045, Tamilnadu, India
3. Department of Physics, Alagappa University, Karaikudi, 630 003, Tamilnadu, India
4. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, 980-8577, Japan
5. Department of Physics, Kalasalingam University, Krishnankoil, 626 126, Tamilnadu, India - ISSN：1436-2449
文摘
Proton-conducting polymer blend electrolytes based on PVA–PVP–NH4NO3 were prepared for different compositions by solution cast technique. The prepared films are investigated by different techniques. The XRD study reveals the amorphous nature of the polymer electrolyte. The FTIR and laser Raman studies confirm the complex formation between the polymer and salt. DSC measurements show decrease in T g with increasing salt concentration. The ionic conductivity of the prepared polymer electrolyte was found by ac impedance spectroscopy analysis. The maximum ionic conductivity was found to be 1.41?×?10??S?cm? at ambient temperature for the composition of 50PVA:50PVP:30?wt% NH4NO3 with low-activation energy 0.29?eV. The conductivity temperature plots are found to follow an Arrhenius nature. The dielectric behavior was analyzed using dielectric permittivity (ε*) and the relaxation frequency (τ) was calculated from the loss tangent spectra (tan δ). Using this maximum ionic conducting polymer blend electrolyte, the primary proton battery with configuration Zn?+?ZnSO4·7H2O/50PVA:50PVP:30?wt% NH4NO3/PbO2?+?V2O5 was fabricated and their discharge characteristics studied.