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. 2021 Mar 3;8(9):2001274. doi: 10.1002/advs.202001274

Figure 22.

Figure 22

a) Preparation diagram of PEG/NPC‐Al composite PCMs, b) TEM images of NPC‐Al. c) Schematic diagram of hydrogen bond interactions between doped nitrogen and PCMs molecules. d) Actual and calculated latent heat values. e) Supercooling characteristics. f) TES capabilities. g) Impregnation characteristics of composite PCMs. Reproduced with permission.[ 131 ] Copyright 2019, Elsevier.