Electrochemical Properties of PANI as Single Electrode of Electrochemical Capacitors in Acid Electrolytes

Table 1

The values of specific capacitance (𝐶_𝑝), specific energy (𝐸_𝑝), and coulombic efficiency (𝐶_𝑒) of PANI from charge/discharge curves at current density from 0.5 Ag⁻¹ to 15 Ag⁻¹ in 1 M HCl and 1 M H₂SO₄.

Current density (Ag^−1)	𝐶𝑝 (Fg^−1)		𝐸𝑝 (Wh·kg^−1)		𝐶𝑒 (%)
	H2SO4	HCl	H2SO4	HCl	H2SO4	HCl
0.5	270.85	302.43	48.75	54.44	100.9	136.6
1	234.68	287.02	42.24	51.66	98.0	142.8
2	182.66	217.00	32.88	39.06	88.8	105.9
3	149.00	194.50	26.82	35.01	91.4	109.6
5	97.50	151.67	17.55	27.30	82.4	81.6
10	44.55	116.67	26.95	21.00	102.0	106.1
15	12.50	90.00	2.25	16.20	71.4	109.1