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Calorimetric study of thermal decomposition of lithium hexafluorophosphate

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Abstract

Enthalpy of formation of lithium hexafluorophosphate was calculated based on the differential scanning calorimetry study of heat capacity and thermal decomposition. It was found that thermal decomposition of LiPF6 proceeds at normal pressure in the temperature range 450-550 K. Enthalpy of LiPF6 decomposition is Δd H(LiPF6, c, 298.15 K)= 84.27±1.34 kJ mole-1. Enthalpy of formation of lithium hexafluorophosphate from elements in standard state is Δf H 0(LiPF6,c, 298.15 K) = -2296±3 kJ mol-1.

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Leninsky pr.31, Moscow, 119991, Russia

    K. S. Gavritchev & G. A. Sharpataya

  2. Federal Unitary State Enterprise 'Siberian Group of Chemical Enterprises' (SGChE), Kurchatov str.1, Seversk, Tomsk Region, 636000, Russia

    A. A. Smagin, E. N. Malyi & V. A. Matyukha

Authors
  1. K. S. Gavritchev
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  2. G. A. Sharpataya
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  3. A. A. Smagin
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  4. E. N. Malyi
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  5. V. A. Matyukha
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Gavritchev, K.S., Sharpataya, G.A., Smagin, A.A. et al. Calorimetric study of thermal decomposition of lithium hexafluorophosphate. Journal of Thermal Analysis and Calorimetry 73, 71–83 (2003). https://doi.org/10.1023/A:1025125306291

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  • DOI: https://doi.org/10.1023/A:1025125306291

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