Table 1.

Representative FEs of products from electrochemical CO₂RR shown in Figs. 5 and 6.

	Catalyst	Vappl (Ag/AgCl)	J (mA/cm2)	Vcomp (Ag/AgCl)	Vcomp (RHE)	FE (%)
						CO	CH4	C2H4	H2	HCOO−	EtOH	PrOH	Other	Total	C1	C2	C3	C2+
Fig. 5	EP_Cu	−2.11	19.6	−1.78	−1.18	3.6	54	13.28	7.2	9.1	4.4	0.7	5.5	97.6	66.6	20.4	3.4	23.82
	Cu_KCl 100 s	−2.11	45.5	−1.73	−1.14	1.7	5.8	45.14	14.6	11.2	11	3.7	5.7	98.9	18.7	57.7	7.9	65.60
	Cu_KBr 60 s	−2.11	42.7	−1.75	−1.15	1.0	9.6	49.47	11.7	5.6	12.8	3.4	6.1	98.2	16.2	65.4	6.3	71.71
	Cu_KI 1 s	−2.11	40.0	−1.74	−1.15	2.0	14	44.54	8.9	8.7	9.8	3.2	7.7	98.8	24.7	57.4	7.8	65.21
Fig. 6	Cu_KCl 60 s	−2.11	40.3	−1.71	−1.11	1.6	4.1	50.15	12.0	9.7	10.9	4.3	5.3	98.1	15.4	62.9	7.9	70.73
	Cu_KBr 90 s	−2.11	43.3	−1.70	−1.10	2.3	1.7	50.94	13.8	8.7	12	4.4	4.2	98.0	12.6	64.4	7.2	71.54
	CI_KI 10 s	−2.11	40.0	−1.69	−1.09	1.5	8.4	49.99	9.3	9.2	13.8	5.2	3.6	98.0	19.1	65.3	7.2	72.58