Hybrid Deep Eutectic Solvent of LiTFSI-Ethylene Glycol Organic Electrolyte for Activated Carbon-Based Supercapacitors

Table 5

Q_charge/Q_discharge and capacitance with different potential windows at  = 10 mV·s⁻¹.

	No. cycle	Qcharge/Qdischarge (%)		Capacitance (F·g^−1)		Average capacitance loss (%)
		1^st	100^th	1^st	100^th
DES 1:4 + 10% wt. AN	∆E = 2.8 V	99.9	99.9	10.95	10.85	0.9
	∆E = 3.0 V	99.9	99.9	11.29	10.90	3.4
	∆E = 3.2 V	99.9	99.9	11.11	10.30	7.3
DES 1:4 + 20% wt. AN	∆E = 3.2 V	99.9	99.9	15.23	15.11	0.8
	∆E = 3.4 V	99.9	99.9	16.99	16.60	2.3
	∆E = 3.6 V	99.9	99.9	17.18	15.55	9.5
DES 1:4 + 30% wt. AN	∆E = 3.2 V	99.7	99.6	15.16	15.11	0.3
	∆E = 3.4 V	99.8	99.8	16.64	15.88	4.6
	∆E = 3.6 V	99.9	99.9	17.25	15.54	9.9
DES 1:4 + 10% wt. EC	∆E = 2.8 V	99.9	99.9	12.18	12.02	1.3
	∆E = 3.0 V	99.6	99.4	12.82	13.70	—
	∆E = 3.2 V	99.6	99.9	14.56	15.22	—
DES 1:4 + 20% wt. EC	∆E = 2.8 V	99.9	99.9	13.24	13.09	1.1
	∆E = 3.0 V	99.7	99.9	14.11	14.83	—
	∆E = 3.2 V	99.4	99.6	15.67	16.20	—
DES 1:4 + 30% wt. EC	∆E = 2.8 V	99.8	98.6	11.24	10.94	2.7
	∆E = 3.0 V	97.3	97.8	12.14	12.95	—
	∆E = 3.2 V	97.2	96.5	14.03	14.60	—