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Recently, the Dalian Chemical Institute of the Chinese Academy of Sciences has made new progress in the research of flexible, planar and integrated all-graphene-based supercapacitors, and realized the fabrication of supercapacitors with arbitrary shapes and their modular integration
on one substrate.
According to reports, the researchers used electrochemically stripped graphene as the electrode material and nano-graphene oxide as the separator, and successfully manufactured a planar supercapacitor
with an arbitrarily shaped, all-graphene-based sandwich structure on a flexible substrate by spraying layer by layer with the assistance of a mask plate with adjustable shape.
Compared with traditional flexible devices, the supercapacitor not only has a variety of shapes, such as rectangular, round, hollow square, numbers, letters and more complex cross-line types, but also has a higher volume specific capacity, higher energy density and excellent mechanical flexibility
.
Tested under different bending conditions, there is basically no loss of specific capacity
.
By covering the effective electrode area with the gel electrolyte, the specific capacity of a single device can be effectively controlled
.
Recently, the Dalian Chemical Institute of the Chinese Academy of Sciences has made new progress in the research of flexible, planar and integrated all-graphene-based supercapacitors, and realized the fabrication of supercapacitors with arbitrary shapes and their modular integration
on one substrate.
According to reports, the researchers used electrochemically stripped graphene as the electrode material and nano-graphene oxide as the separator, and successfully manufactured a planar supercapacitor
with an arbitrarily shaped, all-graphene-based sandwich structure on a flexible substrate by spraying layer by layer with the assistance of a mask plate with adjustable shape.
Compared with traditional flexible devices, the supercapacitor not only has a variety of shapes, such as rectangular, round, hollow square, numbers, letters and more complex cross-line types, but also has a higher volume specific capacity, higher energy density and excellent mechanical flexibility
.
Tested under different bending conditions, there is basically no loss of specific capacity
.
By covering the effective electrode area with the gel electrolyte, the specific capacity of a single device can be effectively controlled
.