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Na2Ti3O7/C composites have been synthesized using solid-state and sol-gel methods as well as by mechanical mixing with carbon black. Prepared materials have been characterized by X-ray powder diffraction analysis, electron microscopy, termogravimetry, Raman spectroscopy and impedance spectroscopy. Their electrochemical testing has been performed. It is shown that Na2Ti3O7/C composites formation in situ and by mechanical mixing with a carbon material results in the electrochemical capacity increase. The composites obtained by the Pechini method show the highest electrochemical capacity.