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Journal Articles Energy Conversion and Management Year : 2014

Applicability of thermal energy storage recycled ceramics to high temperature and compressed air operating conditions

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Abstract

Recycled ceramics made of inertized asbestos containing wastes have been submitted to high pressure/temperature cycling tests in the operating range of ACAES and CSP applications. Ten successive cycles between room conditions and 610 °C/30 bars for a cumulated duration of 2500 h lead to a validation of the ability of the material to resist to those constrains. The Wollastonite/Augite initial structure is gradually transformed in a unique Augite containing material. While mechanical parameters and density are unchanged, thermal capacity is reduced by 5% and thermal conductivity increased by 30%. This last result offers an advantageous way to enhance the thermal conductivity of those recycled ceramics, a key parameter to control the charge/discharge power in TES systems.
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hal-01178176 , version 1 (17-07-2015)

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A. Kere, N. Sadiki, X. Py, V. Goetz. Applicability of thermal energy storage recycled ceramics to high temperature and compressed air operating conditions. Energy Conversion and Management, 2014, 88, pp.113-119. ⟨10.1016/j.enconman.2014.08.008⟩. ⟨hal-01178176⟩
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