Investigation of Imbalanced Activated Carbon Electrode Supercapacitors

Table 1

Utilization efficiency of activated carbon.

AC mass ratio of electrode; (positive : negative)	Measured values (anode : cathode)		Utilization ratio (%)
	Voltage ratio	Capacity ratio	Positive	Negative
1 : 0.625 (80 : 50 = 1.6)	0.7 V : 2.0 V	1 : 0.35	100	56
1 : 1 (80 : 80 = 1)	1.0 V : 1.7 V	1 : 0.58	100	58
1 : 1.5 (80 : 120 = 0.66)	1.4 V : 1.3 V	1 : 1	100	62
0.44 : 1 (80 : 180 = 0.44)	2.2 V : 0.5 V	0.22 : 1	50	100