Table 1 Comparison of graphene content and electrochemical performance of Co3O4/RGO nanocomposites with Co3O4/graphene and other metal oxides/graphene reported.

From: Enhanced Electrochemical performance at high temperature of Cobalt Oxide/Reduced Graphene Oxide Nanocomposites and its application in lithium-ion batteries

Nanocomposites

Synthesis method

Graphene content (%)

Reversible capacity (mAh/g)

Current density (mA/g)

Cycle number (nth)

References

Co3O4/RGO

Microwave irradiation (microwave oven)

1

96.36

100

100

This work

Co3O4-graphene sheet-on-sheet nanocomposite

Microwave-assisted

46.2

1065

89

30

35

Co3O4 quantum dots/graphene

Microwave-assisted (microwave oven)

40

1785

89

90

36

Co3O4-graphene sheet-on-sheet nanocomposites

Microwave-assisted (microwave oven)

18.4

1036.9

100

50

37

Graphene-wrapped CuO

Microwave-assisted hydrothermal

16.9

349

1000

60

38

RG-O/Fe2O3 composite

Microwave irradiation (microwave oven)

20

1027

100

50

39

α-Fe2O3/RGO nanocomposites

Microwave-assisted

21.3

650

1000

50

40

Fe3O4-ONCs@rGO

Microwave assisted (microwave oven)

43

540 

100

120

41

Mn3O4–graphene

Microwave hydrothermal

26.72

900

45

50

42

Mn3O4/graphene

Microwave hydrothermal

13.47

500

60

100

43

SnO2-Graphene

Microwave autoclave

33.3

590

100

200

44

Graphene-SnO2

Microwave-assisted (microwave oven)

30

890

500

80

45

Graphene-SnO2

Microwave irradiation (microwave oven)

35.6

1000

50

100

46

SnO2/graphene

Microwave hydrothermal

10.03

978.6

200

100

47

2D SnO2/graphene

Microwave-assisted

10

688.5

200

500

48

ZnO@Graphene

Microwave-assisted (microwave oven)

50

460

700

50

49