Magnitude of non-linear polarization during EIS of single cells fabricated with LSCF6482/BSCF6482 in OER and ORR mode of operation.

Sample and FC mode	Temperature (°C)	Activation energy for Ro (EaRo) in kJ mol−1	Activation energy for Rp (EaRp) in kJ mol−1	Activation energy for RCT (EaRCT) in kJ mol−1	R s in Ω cm2
Operating voltage 1.0 V
BSCF@OER (+)	700	2.13	9.64	4.14	0.73
	750				0.11
	800				0.06
BSCF@ORR (−)	700	15.655	41.312	21.17	0.62
	750				0.22
	800				0.12
Operating voltage 1.0 V
LSCF@OER (+)	700	30.68	51.29	36.41	0.28
	750				0.2
	800				0.02
LSCF@ORR (−)	700	3.52	30.84	2.08	0.2
	750				0
	800				0
Operating voltage 0.8 V
BSCF@OER (+)	700	5.19	18.79	0.197	0.5
	750				0.15
	800				0.12
BSCF@ORR (−)	700	3.97	32.14	9.85	0.22
	750				0.07
	800				0
Operating voltage 0.8 V
LSCF@OER (+)	700	5.38	61.14	12.88	0.18
	750				0.09
	800				0
LSCF@ORR (−)	700	3.00	21.52	6.53	0.12
	750				0.04
	800				0
Operating voltage 0.6 V
BSCF@OER (+)	700	21.62	42.73	26.27	0.19
	750				0.24
	800				0
BSCF@ORR (−)	700	22.36	45.15	28.18	0.25
	750				0.13
	800				0
Operating voltage 0.6 V
LSCF@OER (+)	700	10.89	36.08	14.97	0.20
	750				0.16
	800				0.05
LSCF@ORR (−)	700	5.04	28.60	1.61	0.18
	750				0.11
	800				0
Operating voltage 0.4 V
BSCF@OER (+)	700	13.47	34.84	18.62	0.24
	750				0.17
	800				0
BSCF@ORR (−)	700	17.87	38.49	23.19	0.29
	750				0.14
	800				0
Operating voltage 0.4 V
LSCF@OER (+)	700	11.06	27.43	14.89	0.25
	750				0.16
	800				0.08
LSCF@ORR (−)	700	8.97	24.28	12.30	0.15
	750				0.10
	800				0