In the work presented time-stable proton conducting gel electrolytes based on polymethylmethacrylate doped with sulfuric acid solutions in N,N-dimethylformamide were synthesized. The dependences of gels conductivity on the acid concentration and the molecular mass of PMMA at 25-65°C are studied. The thermal stability of electrolytes was estimated. The FT-IR (ATR) spectroscopy was used for understanding of mechanism of proton transfer.
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