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Chemically Modified Polymethyl Methacrylate in a Magnesium-Polymer Cell

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As a result of the electrophilic protonation of a carboxyl group of dielectric polymethylmethacrylate (PMMA) with trifluoromethanesulfonic acid (CF3SO3H), a modified conducting polymer material was produced in the shape of a thin elastic lamina and a dense conductive gel, whose density was 1.26 g/cm3. These polymers conduct electricity, do not dissolve in either cold or warm water and are also resistant to weather conditions. Their conductivity in room temperature is 7.5·10-3 Scm-1 and it greatly increases above 154 K. Activation energy Ea decreases with increasing temperature in the range 154 K – 300 K from 1.47 eV to 0.69 eV. The magnesium-polymer (Mg-Poly) cell is constructed with magnesium as the anode and conductive PMMA as the cathode and both electrodes are electrically connected with a polymer gel electrolyte. The rated voltage of this cell is 2.4 V.


International Letters of Chemistry, Physics and Astronomy (Volume 4)
W. Sienicki and M. Wojtewicz, "Chemically Modified Polymethyl Methacrylate in a Magnesium-Polymer Cell", International Letters of Chemistry, Physics and Astronomy, Vol. 4, pp. 76-81, 2012
Online since:
November 2012

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