Demakhin A. G. RussiaSaratov Saratov State University, 83, Astrakhanskaya St., Saratov, 410012 Author's articles Property characteristics of electrolyte systems of aluminium chloride – thionilchloride – cosolvent as defined by the MMR spectroscopy Investigation of aluminum chloride and lithium tetrachloroaluminate solutions in mixed solvent thiony] chloride – propylene carbonate means of the NMR spectroscopy Properties of the some individual aprotic solvents used in lithium power sources. I. Preparation of the solvents Properties of the some individual aprotic solvents used in lithium power sources. II. Volumetric properties of the solvents