Abstract
Conductometric studies on electrolyte solutions have diverse applications to electrochemical power sources (Salomon, 1990). An important solvent used for nonaqueous electrolytes in high-energy lithium batteries is propylene carbonate which is a colorless liquid of wide liquid range with a high dielectric constant. The electrolytic conductances of tetrabutylammonium tetraphenylborate in a number of propylene carbonate + acetonitrile mixtures at (25, 30, and 35) C are reported. The limiting molar conductances, association constants, and distance of closest approach of ions are evaluated by means of the Lee-Wheaton equation. Gilkerson`s solvent-solute interaction energy term is calculated. Values of the Walden product are also reported.
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