Table 1 Comparison of the as-prepared Co-Al LDH asymmetric supercapacitor with previously published results.

From: Cotton-textile-enabled flexible self-sustaining power packs via roll-to-roll fabrication

Reference

Electrode materials

Specific capacitance (F g−1)

Working potential (V)

Maximum energy density (Wh kg−1)

Maximum Power density (kW kg−1)

Cyclic performance (retention)

24

Ni-Co LDH//rGO

550

1.6

188

7.32

82% after 5,000 cycles

56

GSP/Co-Al LDH//SGC

—

1.6

41.2

9.3

84% after 2,000 cycles

61

Ni-Al LDH@CNPs//AC

138

1.6

47.7

51

88.9% after 2,000 cycles

62

Ni-Co LDH//AC

125.2

1.2

23.7

5.82

92.7% after 5,000 cycles

63

Co–Al LDHs–CNTs//AC

80.6

1.6

28

∼6

88.9% after 1,000 cycles

64

Ni-Co LDH//AC

—

1.5

25.3

10.5

91.2% after 10,000 cycles

65

NiCo-LDHs@CNT/NF//APDC/NF

210.9

1.8

89.7

8.7

78% after 1,200 cycles

Our work

Co-Al LDH/ACT//ACT/graphene

145.8

1.6

55.04

5.4

87.54% after 2,000 cycles

  1. AC, activated carbon; CNPs, carbon nanoparticles; GSP, integrated porous Co–Al hydroxide nanosheets; LDH, layered double hydroxide; NF, nickel foam; rGO, reduced graphene oxide; SGC, sandwiched graphene/porous carbon.
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