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a) Schematic diagram of composite PCMs for thermal comfort application. b) IR images of pure paraffin and CCF‐paraffin composite PCMs. c) IR images of pure paraffin, paraffin‐Al, and CCF‐paraffin composite PCMs. d) Photograph of a bent CCF‐paraffin composite heat pack. e,f) IR images of CCF‐paraffin composite heat pack on the human arm. Reproduced with permission.[ 209 ] Copyright 2018, American Chemical Society.
