Table 2. Summary of reported applications of SI-SECM in different catalytic reactions.

Electrocatalytic reactions	Electrode materials	Redox mediators	Adsorbed intermediates	Ref.
HER	Au UME	1,1′-Ferrocenedimethanol (FcDM)	Hads	2
	Tip: GC UME	FcMeOH	H UPD, HOPD	62
	Sub: Pt UME
	Tip: Pt UME	FcMeOH	Hads	21
	Sub: Ni UME
	Pt UME	FcMeOH	Hads	98
OER	Tip: Au UME	Methyl viologen+ [Ru(NH3)6]2+	PtOx	18
	Sub: Pt UME
		Fe(ii)[EDTA]2−
		Fe(CN)64−
	Tip: Au UME	Ru(phen)32+	Mn3+, Mn4+, Mn5+	58
	Sub: C UME	IrCl62−
	Tip: Au UME	IrCl62−	˙OH(ads)	99
	Sub: TiO2
	Tip: GC UME	Fe(iii)-TEA	NiIV, FeIV	89
	Sub: Ni0.8: Fe0.6 electrode on FTO
	Tip: Au UME	Fe(CN)63−	CuIII	100
	Sub: CuO Au UME
	Tip: Au UME	[Fe(MeOH)]+	Fe4+	101
	Sub: α-Fe2O3 on FTO
	Tip: Au UME	Fe(CN)63−	˙OH(ads)	102
	Sub: Ti–Fe2O3 on FTO
	Tip: Au UME	Fe(iii)-TEA	CoIII/CoIV	103
	Sub: Co3O4
	Tip: Au UME	FcDM+/IrCl62−	CoIII/CoIV	19
	Sub: CoPi-Au UME
	Au UME	[Fe(TEA)(OH)]−	NiIV, FeIV	91
OER	Tip: Pt UME	FcMeOH	FeII, CoII	104
ORR	Sub: CoFe-PPy
ORR	Tip: Pt UME	FcMeOH	FeII, FeIII	22
	Sub: FeN4–Pt UME
	Pt UME	FcMeOH	CuI	105
NO3−RR	Tip: Pt UME	FcMeOH	NO3−, NO2−	56
	Sub: Cu SAA
	Tip: Pt UME	FcMeOH	NO3−, NO2−, H2O	24
	Sub: Cu SAGs
NO3−RR	Tip: Pt UME	FcMeOH	Hads	25
	Sub: Ni1Cu SAAO
	Tip: Au UME	IrCl62−	˙Cl, ˙OH	106
	Sub: Ti–C UME
NitRR	Tip: Pt UME	FcMeOH	Hads	107
	Sub: Cu (LDHs)
NRR	Tip: Pt UME	FcMeOH	Ti3+	60
	Sub: s-TiO2 NTs
CO2RR	Tip: Pt UME	FcMeOH	Hads	64
	Sub: CuAgHg
CO oxidation	Pt UME	Br−	COads	108
HMF reduction	Tip: Ag UME	FcMeOH	HMFads	92
	Sub: C UME		Hads