International Journal of Energy Research

Research Article

Copper Oxide Nanoparticles Anchored on Porous Carbon Nitride Nanosheets for Supercapacitor Applications

Comparison of the electrochemical performance of CuO@p-g-C₃N₄ electrodes with reported electrodes.


S. no.	Electrode	Electrolyte	Specific capacity or capacitance (C/g or F/g)	Current density (A/g)	Cycle stability	Ref.

1	ZM-C-800	6 M KOH	359.1	1	98.3% after 10,000 cycles at 1 A/g	[43]
2	S-gC₃N₄/CoS₂	3.5 M KOH	180 C/g	1	83% after 15,000 cycles at 50 A/g	[44]
3	PPy&C₃N₄ composite	0.1 M LiClO₄	810	0.2	92% after 6000 cycles at 6.0 A/g	[45]
4	CoO/GCN-NS	6 M KOH	458	0.5	—	[46]
5	CuO/GCN-NS	6 M KOH	154.5	0.5	—	[46]
6	g-C₃N₄ nanosheet @CoAl-LDH	2 M KOH	343.3	5	95.28% after 6000 cycles at 7.0 A/g	[47]
7	Boron-doped g-C₃N₄	1.0 M 2SO₄	660.6	0.1	107.3% after 10,000 cycles at 10 A/g	[20]
8	Ag decorated PANI/g-C₃N₄	1 M H₂SO₄	797.8	1.0	84.43% after 1000 cycles at 1 A/g	[33]
9	g-C₃N₄/Co₃O₄	1 M KOH	201	1.0	97% after 6000 cycles at 5 A/g	[17]
10	TiS₂/g-C₃N₄	2 M KOH	165.9	1.0	87% after 2500 cycles	[18]
11	C/CuO@g-C₃N₄	0.5 M NaOH	247.2	1.0	92.1% after 6000 cycles at 1 A/g	[48]
12	CuO/g-C₃N₄	2 M KOH	384	2.0	98.02% after 5000 cycles at 10 A g^-1	[49]
13	Nanoporous gold/g-C₃N₄	0.5 M Na₂SO₄	440	2.0	98% after 10,000 cycles	[21]
14	MnMoO₄@g-C₃N₄/CNT	1 M NaCl	252.4	1.0	—	[50]
15	CuO/carbon nanosheets	1 M Na₂SO₄	183.9	1.0	87% after 2000 cycles at 1 A/g	[51]
15	CuO/carbon nanosheets	1 M KOH	371.1	1.0	51.3% after 2000 cycles at 1 A/g	[51]
16	MOF-derived CuO/g-C₃N₄	2 M KOH	1530.4	2.0	66.3% after 3000 cycles at 10 A g^-1	[52]
17	GO/CuO	1 M Na₂SO₄	245	0.1	79% after 1000 cycles at 0.25 A g^-1	[53]
18	CuO@p-g-C₃N₄	3 M KOH	817	1.0	92.3% after 6000 cycles at 8 A g^-1	Present work