Sample

SSA

(m2/g)

Total

pore volume

(cc/g)

Average

pore size

(nm)

Current

Density

(A/g)

Graphite (GH)

4.50

0.0755

76.60

5.12 ± 0.25

Annealing in air (AA)

117.26

0.1570

4.37

15.33 ± 0.22

rGO

625.89

0.9660

6.11

96.23 ± 0.75

ZnO/rGO

97.23

0.7620

3.54

105.69 ± 1.75

ZnO

50.21

0.4498

56.90

12.36 ± 2.45

70%DPA:30%rGO

489.00

0.1680

131.40

102.33 ± 1.22

70%DPA:30% ZnO/rGO

208.40

0.2760

2.69

116.50 ± 0.95

DPA

309.70

0.1220

3.47

50.25 ± 4.75