A flexible cable-shaped supercapacitor based on carbon fibers coated with graphene flakes for wearable electronic applications

Micro and Nano Systems Letters

Table 1 Comparison of the capacitance, energy density of our supercapacitor with other works

Electrode material	Preparation method	Substrate	Electrolyte	C_A (mF cm⁻²)	E_A (μWh cm⁻²)	References
rGO	Photolithography and in-situ assembled graphene	PET	PVA-H₂SO₄	0.95	–	[23]
LSG	Laser-scribed graphene	Flexible substrate	PVA-H₂SO₄	2.32	0.32	[24]
EG/PH1000	Spray coating	Paper/PET	PVA-H₂SO₄	5.4	–	[25]
GFs-CFs	GFs coating	PDMS	PVA-H₂SO₄	15.099	2.097	This work