Fig. 4: Demonstrations of photothermal catalysis.
From: Grave-to-cradle photothermal upcycling of waste polyesters over spent LiCoO2
a Portable outdoor test system. b Real-time monitoring the outdoor experiment. Upper row: solar power; Bottom row: system temperature. c 1H NMR spectra of produced BHET with internal standard of dioxane. Inset is the digital image of 42 g of BHET. d Digital images of various real-world polyesters. e The specific activities of glycolysis of various polyesters. Green column: pure polyesters; Gray column: mixed plastics; Yellow column: glycolysis of PET over different real spent LCO powders; Blue column: real-world PET wastes. f Digital images of spent LCO batteries and powders, and corresponding Li-Co ratio. All error bars represent the standard deviations of three independent measurements and the bars indicate mean values.
