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. 2021 Oct 22;7(43):eabh0812. doi: 10.1126/sciadv.abh0812

Table 1. Observed and calculated mass changes for two La0.70Sr0.25Zn0.05OI0.70 pellets and one La2O3 pellet after the modified Tubandt electrolysis performed under two different conditions.

Condition Q/mC Sample Δmobs/mg Δmcal/mg (Δmobsmcal)
I O2−, e, or H+ La3+ Sr2+ Zn2+
400°C, 15 V, 5 days 149.2 A (La2O3) +0.167 +0.184 (91%) 0 0 0 0
B (La0.70Sr0.25
Zn0.05OI0.70)
−0.0004 0 0 −0.145 (7%) −0.338 (3%) −1.35 (1%)
C (La0.70Sr0.25
Zn0.05OI0.70)
−0.174 −0.184 (95%) 0 +0.084
(−208%)
+0.080
(−218%)
+0.06
(−277%)
400°C, 15 V, 7 days 201.4 A (La2O3) +0.220 +0.248 (89%) 0 0 0 0
B (La0.70Sr0.25
Zn0.05OI0.70)
+0.048 0 0 −0.196 (−24%) −0.456 (−10%) −1.82 (−3%)
C (La0.70Sr0.25
Zn0.05OI0.70)
−0.239 −0.248 (96%) 0 +0.113
(−211%)
+0.108
(−221%)
+0.09
(−281%)