Direct assembly of micron-size porous graphene spheres with a high density as supercapacitor materials
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DOI: 10.1016/j.carbon.2019.04.071
Abstract: Abstract A high volumetric energy density is extremely important in practical energy storage devices. Porous yet dense graphene monoliths obtained from a graphene hydrogel by capillary shrinkage are promising materials for achieving both high volumetric… read more here.
Keywords: micron size; graphene; density; energy ... See more keywords