Table 1 Comparison of electrochemical activity of BiOBr nanosheets electrode and other popular Bi-based electrodes in previous reports.

From: Solvothermal synthesis and electrochemical performance of BiOBr nanosheets for symmetric supercapacitor devices

Materials

Synthesis method

Electrolyte

Specific capacitance /capacity

Ref

Bi(OH)SO4.H2O

Solvothermal

1 M KOH

414 F/g

24

BiOBr

Hydrothermal

6 M KOH

689 F/g

5

BiOI nanosheets

Thermal treatment

1 M LiPF6

717 mAh/g

25

Bi2O3

Electrodeposition

1 M NaOH

98 F/g

26

BiOCl 3D rice-like

Solvothermal

3 M KOH

501 C/g

27

Ti3C2Tx/Bi2S3

 

1 M KOH

768 F/g

28

Bi2O3

Precipitation

6 M KOH

1350 F/g

29

BiOCl/Ti3C2Tx

Simple mixing

1 M KOH

397 F/cm3

30

Graphene/BiOBr

Hydrothermal

2 M NaOH

491 C/g

31

3D-flower-like BiOBr

Solvothermal

6 M KOH

11.43 C/g

32

BiOBr Nanosheets

Hydrothermal

1 M KOH

84.6 mAh/g

This

work