Abstract
Abstract Physicochemical properties like density, surface tension, and viscosity of liquid binary Al-Li and Li-Zn alloys have been measured using draining crucible method. The experimentally measured surface-tension values have been compared to theoretical results based either on the Butler model or the compound formation model assuming the existence of the most favored A 1 B 2 and A 2 B 3 clusters. Several models for viscosity calculation have been also applied and discussed in confrontation with measured data. Finally, the clustering effects in the liquid Al-Li and Li-Zn alloys have been examined using two microscopic functions, i.e., the concentration fluctuation function in the long-wavelength limit and the Warren-Cowley short-range order parameter.
Highlights
SEVERAL different types of Li-based rechargeable batteries have attracted substantial interest
Interesting are the batteries working with molten salt electrolytes that operate above the melting point of lithium, the lithium-aluminum alloys,[2] for example
The aim of this work was to (a) measure the three physicochemical properties: density, surface tension, and viscosity of liquid Al-Li and Li-Zn alloys using Draining Crucible method[25,26,27] over a broad temperature range (from 773 K (500 °C) to 973 K (700 °C)) (b) calculate them by applying compound formation model (CFM) formalism[15,16] (c) explain and understand the influence of short-range ordering on measured properties
Summary
SEVERAL different types of Li-based rechargeable batteries have attracted substantial interest. This results from an expectation of high specific energies and energy densities for such batteries system.[1] The attention has been paid for an even longer time to the use of lithium alloys as an alternative to elemental lithium. With organic solvent-based electrolytes at ambient temperatures were investigated.[3,4].
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