Table 5.

High performance cathodes for SIBs.

Type of Cathode	Electrolyte Chemistry	Voltage Range (V)	Performance *	Reference
	Layered TMOs
Na0.44MnO2	1M NaClO4 in EC:DEC (1:1)	2.0–3.8	80/2000/0.1 C b	[306]
Na0.67[Mn0.65Co0.2Ni0.15]O2	1M NaPF6 in EC:DEC (1:1)	2.0–4.4	129/50/20	[307]
NaMnTi0.1Ni0.1O2	1M NaClO4 in PEC	1.5–4.2	186/500/0.1 C b	[308]
NaxAl0.1Mn0.9O2	1M NaPF6 in PEC	2.0–3.8	160/100/0.1 C b	[309]
Na[Li0.05(Ni0.25Fe0.25Mn0.5)0.95]O2	1M NaClO4 in PEC:FEC (1:1)	1.75–4.3	177/200/0.1 C b	[310]
	Phosphates
Mesoporous amorphous FePO4	1M NaPF6 in EC:DEC (1:1)	1.5–3.8	151/160/20	[311]
Amorphous FePO4/CNT	1M NaClO4 in EC:DMC (1:1)	2.25–3.75	66/300/50	[312]
NaFePO4	NaTFSI/BMP–TFSI (IL)	2.0–3.75	120/100/0.05 C b	[313]
NaFePO4	1M NaPF6 in EC:DMC (1:1)	1.5–4.0	150/200/0.1 C b	[240]
Na2Fe2P2O7	1M NaClO4 in PC	2.0–4.0	90/30/0.1 C b	[314]
	NASICON and Fluorophosphates
Na3V2(PO4)3	1M NaClO4 in PC	2.5–3.8	66.5/50/1 C b	[259]
C coated Na3V2(PO4)3	1M NaPF6 in EC:DMC (1:1)	2.5–4.0	113/8000/2 C b	[315]
Graphene supported Na3V2(PO4)3	1M NaClO4 in PC	2.5–3.8	90/100/1 C b	[316]
Fe2(MoO4)3	1M NaClO4 in EC:DMC (1:1)	1.5–3.5	94/100/1 C b	[317]
Na3V2O2(PO4)2F	1M NaClO4 in FEC	2.5–4.3	100/1000/20 C b	[318]
	PB
Na4Fe(CN)6	1M NaClO4 in EC/DEC (1:1)	2.0–4.2	100/70/5	[319]
Na2NiCo1−xFe(CN)6	1M NaPF6 in EC/DEC (1:1)	2.0–4.2	124/100/50	[320]
NaxCoFe(CN)6	1M Na2SO4 (pH = 7)	0.5–2.0	100/200/600	[285]
K0.33FeFe(CN)6/rGO	1M NaClO4 in EC/DEC (1:1)	2.0–3.8	160/1000/0.5 C b	[321]
Na0.647Fe[Fe(CN)6]0.93.2.6H2O/C	1M NaPF6 in EC/DEC (1:1)	2.0–4.0	130/200/50	[279]
	Organic
Polyimide (PI)	1M NaPF6 in PC	1.5–3.0	180/50/50	[322]
Anthraquinone based PI	1M NaPF6 in DME:DOL (1:1)	1.5–3.5	179/150/50	[323]
Poly(benzoquinonyl sulfide) (PBQS)	1M NaTFSI/DOL DME	1.5–4.0	268/1000/50	[324]
Disodium rhodizonate	1M NaClO4 in PC	0.0–3.1	498/50/50	[325]
Juglone/rGO	1M NaClO4 in EC:DMC (1:1)	0.0–2.5	760/100/100	[290]

* Specific capacity (mAh g⁻¹)/number of cycles/current density (mA g⁻¹). ^b C rate.