Table 2 Redox potentials of TiLu₂C@I_h-C₈₀, Lu₂ScN@I_h-C₈₀ and selected relevant EMFs*.

EMF	Method ^†	Ox-II	Ox-I	Red-I	Red-II	EC gap	Ref.
TiLu₂C@I_h-C₈₀	CV		+0.64	−0.91		1.55	This work
	SWV	+1.10	+0.63	−0.87	−1.53	1.50	This work
TiSc₂N@I_h-C₈₀	CV		+0.16	−0.94	−1.58	1.10	^{13, 14}
TiY₂N@I_h-C₈₀	CV		0.00	−1.11	−1.79	1.11	¹⁵
Ti₂S@D_3h-C₇₈	CV	+0.65	+0.23	−0.92		1.15	¹⁹
Lu₂ScN@I_h-C₈₀	CV		+0.66	−1.41^‡		2.07	This work
	SWV	+1.10	+0.64	−1.38	−1.69	2.02	This work
Sc₃N@I_h-C₈₀	CV	+1.09	+0.59	−1.26^§	−1.62^§	1.85^§	⁶¹
Lu₃N@I_h-C₈₀	CV	+1.11	+0.64	−1.42^‡	−1.80^‡	2.08^‡	⁵⁴
Y₂ScN@I_h-C₈₀	DPV		+0.71	−1.35	−1.87	2.07	⁶²

^*All values are in V versus Fe(Cp)₂^+/0 couple, for cyclic voltammetry, potentials are E_1/2 values unless otherwise noted.
^†CV—cyclic voltammetry, SWV—square wave voltammetry, DPV—differential pulse voltammetry.
^‡Peak potentials.
^§E_1/2 values measured at high scan rates (5–20 V s⁻¹).

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