Thermal Decomposition of 1-Methyl-3-Ethylimidazolium Chloride (MEIC)/Aluminum Chloride Molten Salts.

摘要

The thermal decomposition of the room temperature molten salt system 1-methyl-3-ethylimidazolium chloride/aluminum chloride has been studied. The decomposition temperatures were determined from Thermogravimetry curves by drawing tangents to the curve. The intersection of the two lines was taken to be the onset of decomposition. The decomposition was a two-step process. The percent weight losses, calculated activation energies and procedural decomposition temperature values obtained indicate that the first step is decomposition of the organic cation. The upper operating temperature of a battery utilizing this system as an electrolyte would be limited by decomposition of the organic fraction of the melt, and was found to be around 270 C under the experimental conditions given. Reprints. (AW)