Journal
NANOTECHNOLOGY
Volume 33, Issue 20, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-6528/ac4eb3
Keywords
attapulgite; graphite oxide; liquid phase shear exfoliation; flexible solid-state supercapacitors
Funding
- National Natural Science Foundation of China [21676023]
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Graphite oxide assisted liquid phase shear exfoliation of attapulgite resulted in good dissociation and dispersion of attapulgite rod crystals. The attapulgite-reduced graphene oxide three-dimensional porous hydrogel with abundant pore structure exhibited excellent electrochemical and rate performance, and can be used as a power supply for LED lights.
After graphite oxide assisted the liquid phase shear exfoliation of attapulgite, the good dissociation and dispersion of attapulgite rod crystals are realized. Due to the spatial hindrance effect of attapulgite, which prevents the stacking of RGO sheets, the attapulgite-reduced graphene oxide three-dimensional porous hydrogel with abundant pore structure enables rapid transfer of electrolyte ions and exhibits good electrochemical performance and rate performance. The assembled flexible solid-state supercapacitor has a high operating voltage window and good flexibility and cycle stability. At a current density of 0.1 mA cm(-2), it has an area specific capacitance of 127.33 mF cm(-2). A series of solid-state supercapacitors can be used as the power supply for LED lights.
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