Skip to main content

Table 1 Representative results of supercapacitors with AC line-filtering performance

From: Supercapacitors with alternating current line-filtering performance

Electrode materials

Electrolyte

Phase angle at 120 Hz

f (kHz) at − 45°

\(\tau_{0}\) (ms)

\(\tau_{RC}\) at 120 Hz

Specific capacitance

References

VOG

KOH

85

20

0.05

–

265 μFcm−2

[60]

VOG

KOH

~ 90

 

32.8

–

30 F g−1

[81]

ErGO

KOH

84

4.2

0.17

1.35

283 μFcm−2

[9]

GO film

H2SO4

  

13.3

 

125 F g−1

[85]

EOG

KOH

82

4.03

 

0.205

0.72 mFcm−2

[86]

EOG

KOH

83

12

 

0.110

0.6 mFcm−2

[88]

NHG

KOH

81.2

1.2

 

0.203

0.956 mFcm−2

[89]

GO@CNT

NaSO4

81.5

 

0.82

0.19

662 μFcm−2

[14]

CNT

H2SO4

81

1.425

0.701

0.199

1.202 mFcm−2

[30]

SWCNT

TEABF4

82.2

1.995

 

0.501

0.564 mFcm−2

[71]

GOMC/CNT

TEABF4

80.0

1.0

1.0

 

0.56 mFcm−2

[70]

Carbon sponges

KOH

78

 

0.37

0.32

172 mFcm−2

[73]

PENOT:PSS

H2SO4

84

 

0.59

0.15

994 mFcm−2

[75]

PiCBA

H2SO4/PVA

73

3.62

0.27

0.83

34.1 Fcm−3

[19]

Ti3C2/PEDOT:PSS

H2SO4/PHEMA/PVA

79.1

1.41

0.709

0.29

0.56 mFcm−2

[76]