SYNTHESIS AND POTENTIAL ENERGY APPLICATION OF MIL-140A AS A FILLER IN PVA MEMBRANE

Ion exchange membranes are used in many areas from fuel cells to redox batteries, from electrolysis to catalytic membrane applications. The high ion variation capacity of these membranes, their stability in aqueous environments, and the most importantly their low prices, increase their usability. The most important component of energy applications, especially batteries, is electrolyte membranes. In this study, MIL-140A type metal organic framework was synthesized and added to the PVA (an inexpensive engineering polymer) membrane at a ratio of 1-4%. This membrane was synthesized for the first time in the literature. The usability of the membrane in batteries or fuel cells was determined by means of swelling test, water uptake capacity, ion exchange capacity and proton conductivity tests. As the MIL-140A ratio increased in the PVA matrix the stability of the membrane and the proton conductivity increased significantly. When the MIL-140A ratio increased from 0% to 3%, the dimensional swelling decreased from 145 % to 24 %, and the proton conductivity increased from 0.0011 S/cm to 0.00286 S/cm.

Keywords:

Composite membrane, ion exchange membrane, MIL-140A PVA,

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