Table 1.
Comparison of the electrochemical performance of La1-xSrxGa1-yMgyO3−δ (LSGM) electrolyte-supported symmetrical solid oxide fuel cells (S-SOFCs) reported in the literature and in the present study.
| Reference | Cell configuration (Air electrode | Electrolyte | Fuel electrode) | Electrolyte thickness (μm) | Maximum power density at 800 °C (W cm−2) |
|---|---|---|---|
| Present study | A-PBSF30 | LDC | LSGM | LDC | R-PBSF30 | ~250 | 1.23 |
| (28) | Pr0.4Sr0.6Co0.2Fe0.7Nb0.1O3−δ | LSGM | Pr0.8Sr1.2(Co,Fe)0.8Nb0.2O4+δ – CFA (Co-Fe alloy) | ~300 | 0.78 |
| (39) | Sr2Ti0.8Co0.2FeO6 | LSGM | Sr2Ti0.8Co0.2FeO6 | ~270 | 0.56 |
| (41) | Sr2Fe1.5Mo0.5O6-δ | LSGM | Sr2Fe1.5Mo0.5O6-δ | ~265 | 0.48 |
| (42) | Pr0.6Sr0.4Fe0.7Ni0.2Mo0.1O3−δ | GDC | LSGM | GDC | Pr0.6Sr0.4Fe0.7Ni0.2Mo0.1O3−δ | ~320 | 0.50 |
| Pr0.6Sr0.4Fe0.8Ni0.2O3−δ | GDC | LSGM | GDC | Pr0.6Sr0.4Fe0.8Ni0.2O3−δ | ~320 | 0.44 | |
| (43) | PrBa(Fe0.8Sc0.2)2O5+δ | LSGM | PrBa(Fe0.8Sc0.2)2O5+δ | ~275 | 0.71 |
| (44) | SmBaMn2O5+δ | LSGM | SmBaMn2O5+δ | ~300 | 0.33 |
| (45) | La0.5Sr0.5Fe0.9Mo0.1O3−δ | LSGM | SDC | La0.5Sr0.5Fe0.9Mo0.1O3−δ | ~300 | 0.73 |
| (46) | La0.6Sr0.4Co0.2Fe0.7Mo0.1O3−δ | SDC | LSGM | SDC | La0.6Sr0.4Co0.2Fe0.7Mo0.1O3−δ | ~270 | 0.74 |
A-PBSF30: Pr0.5Ba0.2Sr0.3FeO3−δ.
R-PBSF30: (Pr0.5Ba0.2Sr0.3)2FeO4+δ – Fe metal.
LDC: La0.4Ce0.6O2−δ.
GDC: Gd0.4Ce0.6O2−δ.
SDC: Sm0.4Ce0.6O2−δ.
LSGM: La1-xSrxGa1-yMgyO3−δ (x = 0.1 or 0.2 and y = 0.15 or 0.2).