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Int. J. Electroactive Mater. 7 (2019) 46-52

Fabrication of Proton Conducting Polymer Electrolytes Based on PVC-NH4CF3SO3-Bu3MeNTf2N for Proton Battery

SITI KHATIJAH DERAMAN1*, Ri Hanum Yahaya Subban2, Nor Sabirin Mohamed3

1Centre of Foundation Studies, Universiti Teknologi MARA, Cawangan Selangor, Kampus Dengkil, Selangor, Malaysia
2Faculty Applied Science, UiTM, Shah Alam, Selangor, Malaysia
3Center for Foundation Studies in Science, University of Malaya, Kuala Lumpur,, , Malaysia

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Abstract : Searching a new material for the development of proton conducting polymer electrolytes that can be used in protonic electrochemical cells is the focus of this research study. In this study, the proton conducting polymer electrolytes were prepared by solution cast technique. Poly (vinyl chloride) PVC is used as the polymer host, ammonium triflate (NH4CF3SO3) as the doping salt and ionic liquid-butyltrimethyl ammonium bis trifluoromethyl sulfonyl imide (Bu3MeNTf2N) is used as the plasticizers. Electrochemical cells were fabricated using PVC-NH4CF3SO3 - 15 wt. % Bu3MeNTf2N (C3) electrolytes. The cells were discharged at different loads of 1.5 k?, 62 k? and 95 k?. The open circuit voltage (OCV) of a cell based on the highest conducting electrolyte with configuration: Zn+ ZnSO4.7H2O+PTFE | 85 wt. % (PVC-NH4CF3SO3) +15 wt. % Bu3MeNTf2N | MnO2+PTFE is ~ 1.52 V while its discharge capacity is 0.55 mA h with maximum power density of 5.048 � 10-3 W/kg and maximum energy density of 0.560 Wh kg-1. The discharge performance of the cells showed that the protonic polymer electrolyte film proposed in this work has potential for application in protonic electrochemical cells for proton battery.

Keywords : Electrochemical cells,Ionic Liquid,Proton Battery,Ammonium Triflat