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Title: A study of a eutectic salt of lithium nitrate and sodium chloride (87–13%) for latent heat storage
Authors: Zhou, Dan
Eames, Philip C.
Keywords: Latent heat storage
Phase Change Materials (PCMs)
Eutectic salt
Lithium nitrate
Issue Date: 2017
Publisher: © 2017 The Authors. Published by Elsevier B.V.
Citation: ZHOU, D. and EAMES, P., 2017. A study of a eutectic salt of lithium nitrate and sodium chloride (87–13%) for latent heat storage. Solar Energy Materials and Solar Cells, 167 pp. 157 - 161
Abstract: Latent heat storage in salt mixtures has attracted much attention as it can store a large amount of heat within a small temperature range in a small volume compared to sensible heat storage. In this paper, the eutectic salt of LiNO3–NaCl (87–13%) was investigated to evaluate its potential for latent heat storage for medium temperature range applications (<300 °C). The eutectic salt was prepared using the indirect mixing method. Its thermal properties including melting temperature and latent heat were measured over multiple cycles using Differential Scanning Calorimetry (DSC). The measurements show that the eutectic salt of LiNO3–NaCl (87–13%) has a suitable melting temperature (around 220 °C) and a relatively high latent heat (>290 kJ/kg). Its thermal decomposition temperature was tested using a Thermogravimetric Analyser (TGA). The salt mixture exhibits an excellent chemical stability below 400 °C with no changes after tests of multiple cycles with DSC and TGA. The main factors affecting the economic feasibility for this eutectic salt were also discussed.
Description: This is an open access article under the CC BY license (http://creativecommons.org/licenses/BY/4.0/).
Sponsor: EPSRC through Grant reference EP/K011847/1, Interdisciplinary centre for Storage, Transformation and Upgrading of Thermal Energy (i-STUTE).
Version: Published
DOI: 10.1016/j.solmat.2017.04.016
URI: https://dspace.lboro.ac.uk/2134/24803
Publisher Link: http://dx.doi.org/10.1016/j.solmat.2017.04.016
Related Resource: https://doi.org/10.17028/rd.lboro.4818601
ISSN: 0927-0248
Appears in Collections:Published Articles (CREST)
Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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