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. 2021 Aug 26;11(9):2192. doi: 10.3390/nano11092192

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Experimental results and numerical calculations during heating for (a) 2:1 ratio PCM composites, (b) 1:1 ratio PCM composites and (c) 1:2 ratio PCM composites. (d) LED bulb images upon heating. Cooling results of (e) 2:1 ratio PCM composites, (f) 1:1 ratio PCM composites and (g) 1:2 ratio PCM composites. (h) LED bulb images upon cooling.