Preventing graphene sheets from restacking for high-capacitance performance
The Journal of Physical Chemistry C, 2011•ACS Publications
Aiming at preventing restacking of individual graphene sheets by using a simple green
hydrothermal route, we have introduced carbon nanotubes to act as the spacer in fabricating
a three-dimensional (3-D) hierarchical structure with graphene sheets. These 3-D
hierarchical structure materials have been used to fabricate supercapacitor devices, and a
high specific capacitance of 318 F/g for graphene with an energy density of 11.1 (W h)/kg
has been achieved.
hydrothermal route, we have introduced carbon nanotubes to act as the spacer in fabricating
a three-dimensional (3-D) hierarchical structure with graphene sheets. These 3-D
hierarchical structure materials have been used to fabricate supercapacitor devices, and a
high specific capacitance of 318 F/g for graphene with an energy density of 11.1 (W h)/kg
has been achieved.
Aiming at preventing restacking of individual graphene sheets by using a simple green hydrothermal route, we have introduced carbon nanotubes to act as the spacer in fabricating a three-dimensional (3-D) hierarchical structure with graphene sheets. These 3-D hierarchical structure materials have been used to fabricate supercapacitor devices, and a high specific capacitance of 318 F/g for graphene with an energy density of 11.1 (W h)/kg has been achieved.
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