Influence of Lithium Salts on Physicochemical Properties of Lithium Polysulphide Solutions in Sulfolane

The influence of the nature and concentration of lithium salts on the physicochemical properties (electrical conductivity and dynamic viscosity) of lithium polysulphide solutions in sulfolane was studied. We established that the viscosity of lithium polysulphide solutions increased significantly when lithium salts were added and at the same time the electrical conductivity practically did not change. We assumed that the lithium polysulphides are associated by the cross-link of lithium ions in solutions and there is a relay-race mechanism of charge transfer in lithium polysulphide solutions.