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

Figure 27.

Figure 27

a) Preparation diagram of biological porous carbon. b) Preparation diagram of composite PCMs. Reproduced with permission.[ 161 ] Copyright 2018, Elsevier. c) SEM images of the original cotton fibers and carbon sponges. Reproduced with permission.[ 171 ] Copyright 2019, Elsevier. d) Preparation diagram of winter melon derived CAs and CAs/paraffin composite PCMs. e) Solar‐to‐thermal conversion curves of CAs/paraffin composite PCMs. Reproduced with permission.[ 158 ] Copyright 2014, Royal Society of Chemistry.