Activation of Thermal Processes in Mixtures of Some Vanadium Compounds with LiOH as a Result of Plastic Deformation under High Pressure

V. A. Zhorin^a, M. R. Kiselev^b, T. P. Puryaeva^b, and S. E. Smirnov^c

^a Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, Russia

^b Frumkin Institute of Physical Chemistry, Russian Academy of Sciences, Moscow, Russia

^c Moscow Power Institute, Moscow, Russia

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Received December 19, 2008

Abstract — V₂O₅, V₂O₃, HVO₃, and mixtures of these compounds with 15% LiOH were subjected to plastic deforation at a pressure of 2 GPa and room temperature on high-pressure testing machines of the type of Bridgman anvils. he investigation of the samples was performed using differential scanning calorimetry, thermogravimetry, and X-ray iffraction analysis. The presence of LiOH in the mixtures decreased the thermal stability of vanadium compounds. uring plastic deformation the LiV₃O₈ phase was formed in mixtures, the amount of which increased with heating the amples to 200C. It is assumed that the ions that form by treatment under pressure can affect the structure formation rocesses in mix samples.