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Fig. 3 | Nano Convergence

Fig. 3

From: Advances in self-healing supramolecular soft materials and nanocomposites

Fig. 3

(figures reproduced with permission from: a, b Ref. [59], ©2019 WILEY; cf Ref. [61], ©2015 ACS)

a Schematics of the synthesis and hydrogen bonding mechanism of the CPU, wherein various stronger –COOH and weaker –NH–CO–O crosslinks are introduced to tune the mechanical properties of CPU; b schematics representation of mechanically and electrically self-healable and stretchable Ni flakes–EGaInPs–CPU conductor. The conductor electrically restored and mechanically healing activated due to the interfacial H-bonding of CPU with an efficiency of 97.5%; c schematic illustration of the self-healing process of supercapacitors. The demonstrated image shows the performance after self-healing on the fractured surfaces is fully based on the synergistic effect of magnetic electrodes and the CPU shell; d specific capacitance of the original device and after four breaking/healing cycles, which is restored to 71.8% due to the interfacial CPU shell. e Schematic structure of the magnetic-assisted self-healable yarn-based supercapacitor; f photographs of a self-healing supercapacitors connected in series to power an LED bulb

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