Table 1 Equivalent circuit elements of bare and coated Pb electrodes.

From: Controlling the corrosion and hydrogen gas liberation inside lead-acid battery via PANI/Cu-Pp/CNTs nanocomposite coating

Electrode

Rs (Ω cm2)

Rct (Ω cm2)

Cdl (F cm−2)

Bare Pb

0.72

45.77

3.52 × 10–4

coated Pb (neat PANI)

0.53

58.90

2.75 × 10–4

coated Pb (PANI/CNTs)

0.35

67.83

2.13 × 10–4

coated Pb (PANI/Cu-Pp/CNTs )

0.28

83.43

1.86 × 10–4

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