Table 1. Performance of capacitors.

Figures	Operation Voltage (V)	Negative electrode	Positive electrode	Current density (mA cm−2)	Separator	Energy density (W h kg−1)	Power Density (W kg−1)
3a	3.2	GA	GA	15	CEM	0.45	205
3b	3.0	20% AC	20% AC	15	CEM	8.3	212
3c	3.0	20% AC	20% AC	15	MF	7.7	175
3d	3.0	20% AC	20% AC	15	FP	7.3	206
3e	3.0	40% AC	40% AC	10	CEM	18.7	200
4-2(a)	3.2	30% Fe2O3	GA	15	FP	18.3	340
4-2(b)	3.2	30% Fe2O3	30% Fe2O3	15	FP	28.7	327
4-2(c)	3.2	30% Fe3O4	GA	20	FP	19.6	336
4-2(d)	3.2	30% Fe3O4	30% Fe3O4	15	FP	11.2	276
4-2(e)	3.2	30% V2O3	GA	10	FP	20.1	198
4-2(f)	3.2	30% V2O5	GA	15	FP	27.8	252
4-2(g)	3.2	20% AC	30% MnO2	15	FP	16.9	303
4-2(h)	3.2	30% Fe3O4	30% MnO2	10	FP	24.1	350