ENERGY CHARACTERISTICS OF CARBON-BASED COMPOSITE HEAT ELECTRIC STORAGE

Ustinov A.S., Pitukhin E.A. Energy characteristics of  carbon-based composite heat electric storage. Scientific  and Technical Journal of Information Technologies, Mechanics and Optics, 2020, vol. 20, no. 1, pp. 58–65 (in Russian). doi: 10.17586/2226-1494-2020-20-1-58-65

Subject of Research. The paper presents energy characteristics study of a carbon-containing composite material of a heat and power storage unit. We propose the composition and composite material technology for the heat and power storage unit. The initial components of the storage include graphite micro-powder, Na2O(SiO2)n water glass and a solidifier, Na2SiF6, sodium silicofluoride. The applicability of the developed heat and power storage unit is considered. Methods. The composition of composite material samples was studied by x-ray diffraction analysis and electron microscopy. Material characteristics were determined by thermophysical and electrophysical methods. Main Results. Samples of carbon-containing composite material are obtained. Engineering facilities of the heat and power storage unit are developed. Impedance frequency dependences of the heat electric storage unit experimental samples and their volt- ampere characteristics are obtained. The temperature dependences of electrical capacity and dielectric permittivity of the heat electric storage unit experimental samples are studied in the range of 20–60 °C. The temperature dependences of the specific heat capacity and the thermal conductivity coefficient for monotonous heating are obtained. Practical Relevance. The developed heat and power storage unit can be used in emergency lighting and heating systems and power supply when operating in the mode of constant or compensatory charging (private and administrative house construction). The developed material is applicable in temperature sensors.

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