Table 8. Comparison of the Electrochemical Responses of Different Carbon-Based Materials Derived from Waste Plastics.

Electrode materials	Plastic source	Electrolyte	Specific capacitance (F/g)	Cycle life (cycles)	Current density	Capacitance retained after cyclic stability test (%)	Ref
GNs	Mixed plastic	1 M H3PO4	273.7		1.0 A/g		(1)
PE-HPC-900NH3	PE	6 M KOH	244.0	10,000	0.2 A/g	97.1	(2)
PE-HPC-900NH3	PE	1 M TEABF4	68		0.5 A/g		(205)
PE-HPC-900NH3	PE	1 M TEABF4 + EMIMBF4	100		0.5 A/g		(205)
G@PE40MC700	PE	6 M KOH	239	10,000	1.0 A/g	93.8	(3)
G@PE40MC700	PE	1 M EMIMBF4	114.0	5,000	2.0 A/g	89.3	(206)
HPC-6	LDPE	6 M KOH	355	5,000	0.2 A/g	82.4	(4)
PCNS	PET	6 M KOH	169	5,000	0.2 A/g	≈97.0	(5)
PCNS	PET	1 M TEATFB/PC	121	5,000	0.2 A/g	78.5	(209)
4NG	PET	6 M KOH	405.0	5,000	1.0A/g	87.7	(6)
PCS-MnO2-2	PET	6 M KOH	210.5	5,000	10 A/g	90.1	(7)
HPC-4	PET	6 M KOH	413.0		0.5 A/g	77.3	(8)
PTFE-1:3-700	PTFE	6 M KOH	313.7	5,000	0.5 A/g	93.1	(9)
PW-C	PVC	6 M KOH	399.0	1,000	1.0 A/g	92.0	(10)
PW-C	PVC	1 M H2SO4	363	1,000	1.0A/g	92.0	(215)
C-Co	PVC	IL: PVDF-HFP	294		0.004 A		(11)
Carbon-Mn2	PVC	6 M KOH	751.5	5,000	1 A/g	83.1	(12)
600-NS-DCM	PVDC	1 M Na2SO4	427.0	1,000	1.0 A/g	90.0	(13)
C-800-4	PVDF	2 M KOH	252.8	5,000	5.0 A/g	96.9	(14)
ACNS-800	PS	6 M KOH	323.0	10,000	0.5 A/g	92.6	(15)
ACNS-800	PS	1 M EMIMBF4/PC		10,000		81.5	(218)
PC	PS	6 M KOH	208.0	5,000	1.0 A/g	94.3	(16)
PCF-MnO2	PS	6 M KOH	247.0	10,000	1.0 A/g	93.4	(17)
PSC-3-700	PS	1 M H2SO4	327.0	10,000	1.0 A/g	≈100.0	(18)
PS-C	PS	1 M KOH	482.0	5,000	1.0 A/g	95.0	(19)
PCS-3	PS	1 M H2SO4	135.0	10,000	1.0 A/g	92.4	(20)
OMCs	PS	6 M KOH	118.0	5,000	0.2 A/g	87.2	(21)
ACNS-4	PP	6 M KOH	349.0	10,000	0.5 A/g	99.0	(22)
MWCNTs	PP	1 N KOH	58.9		5 mV/s		(23)
CMS-3	PP	6 M KOH	328.9	10,000	1 A/g	90.4	(24)
PCNSs	Mixed plastic	6 M KOH	207.0		0.2 A/g	79.2	(25)
FMWCNTs-3	Mixed plastic	6 M KOH	33.5		0.5 A/g		(26)
P-E-S3CB5Ni	Mixed plastic	6 M KOH	140	1,000	20 mV/s	99.2	(27)
GNs	Mixed plastic	PVA + H3PO4	38.78		0.1 A/g		(28)