Table 4 Specific capacitance of g-C3N4, GO, g-C3N4@GO, g-C3N4@r-GO (AA) and g-C3N4@r-GO (NaBH4) by varying current density.

From: Graphitic carbon nitride–reduced graphene oxide (g-C3N4@r-GO) nanocomposites for photocatalytic hydrogen production by water splitting and high-performance electrochemical supercapacitors

Current

density (A/g)

(Galvanostatic charge-discharge) specific capacitance (F/g)

g-C3N4

g-C3N4@GO

GO

g-C3N4@r-GO(AA)

g-C3N4@r-GO(NaBH4)

2

21.85

62.85

61.65

117.7

78.6

3

16.65

49.12

49.87

83.55

62.77

4

14.0

45.4

43.60

63.7

55.2

5

12.62

40.62

39.12

59.62

49.87

6

12.0

39.75

37.2

53.1

44.55

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