Preparation of Polymers Electrolyte Membranes from Styrofoam Waste for Lithium Battery

I Made Arcana, Bunbun Bundjali, Achmad Rochliadi, Ni Ketut Hariyawati

Abstract


Recently, the battery industry has represented one important and growing sector where the use of non-toxic and non-hazardous  substitute materials has not rapidly developed. The environmentally friendly polymer electrolyte is required to decrease the risk of environmental pollution caused by toxic materials of battery components. Therefore, in this study was focused on the preparation of the environmentally friendly polymer electrolyte membrane with low cost for lithium-ion battery applications. The preparation of polymer electrolyte membrane was done by casting of polymer solution. The main materials used to prepare polymer electrolyte membranes are sulfonated   polystyrene   (SPS)   obtained   from   isolation   of Styrofoam, hydrolyzed bacterial poly(R-hydroxybutyrate) (PHB), and lithium perchlorate (LiClO4) as an ionic salt. The isolated polystyrene was reacted with acetyl sulfate to form sulfonated polystyrene (SPS). These three main materials were dissolved in an appropriate solvent and mixture until homogenous. The polymer solution was poured into a petri dish, and then their solvent  was evaporated. The  results  showed that  the  increase LiClO4 content in the membranes, the conductivity of membrane increases,  but  their  mechanical  strength  decreases  and  the surface morphology of membranes becomes less uniform and homogenous.


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