Product

Electrochemically Active Surface Area (ECSA) (m2∙g−1)

Double-layer Capacitance (Cdl) (mF∙cm−2)

Rough

J@1.5 VRHE

(mA∙cm−2)

Jspecific@

1.5 VRHE

(mA∙cm−2)

Ni(OH)2-HNT

0.306

91.54

1.53

0.37

0.24

NiCo-82 LDHs-HNT

0.244

73.28

1.22

0.53

0.44

NiMn-82 LDHs-HNT

0.272

81.88

1.36

0.47

0.34

NiFe-82 LDHs-HNT-C

0.186

55.74

0.93

4.21

4.53

NiFe-82 LDHs-HNT-S

0.355

106.52

1.78

10.23

5.76