SOFC powders
For electrolyte, electrodes and coating layer
Electrolyte
|
Zirconia |
Chemical formula |
BET [m2/g] |
D50 [µm] |
Remarks |
|
8YSZ |
8mol.% (Y2O3)x(ZrO 2)1-x |
6.5 - 7.5 |
0.4 - 0.5 |
for thin electrolytes |
|
3YSZ |
3mol.% (Y2O3)x(ZrO 2)1-x |
9 - 12 |
0.4 - 0.5 |
for electrolyte substrate |
|
10YSZ |
10mol.% (Y2O3)x(ZrO 2)1-x |
0.3 – 0.7 |
11 - 13 |
for decreasing the sintering activity |
|
Ceria |
Chemical formula |
BET [m2/g] |
D50 [µm] |
Remarks |
|
10GDC |
Gd0.1Ce0.9O1.95 |
10 - 13 |
0.1 - 0.2 |
|
|
20GDC |
Gd0.2Ce0.8O1.95 |
10 - 13 |
0.1 - 0.2 |
for composite cathode and buffer layer |
|
SDC |
Sm0.20Ce0.80O2-X |
12 - 14 |
0.1 - 0.2 |
|
|
Other dopants on request |
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Protonic conductors (BCY, BZY, BCZY are available on request
Anode
| Nickel oxide |
Chemical formula |
BET [m2/g] |
D50 [µm] |
Remarks |
|
NiO |
NiO |
6 - 8 |
0.6 - 0.7 |
for electrodes and anode substrate |
Cathodes
|
Cobaltite |
Chemical formula |
BET [m2/g] |
D50 [µm] |
Remarks |
|
LSCF |
(La0.60Sr0.40)0.95Co 0.20Fe0.80O3-X |
5 - 8 |
0.5 - 0.6 |
|
|
LSC |
(La0.60Sr0.40)0.95CoO 3-X |
5 - 8 |
0.5 - 0.6 |
for current collection, active and composite layers |
|
Other compositions on request |
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|
Manganite |
Chemical formula |
BET [m2/g] |
D50 [µm] |
Remarks |
|
LSM |
La0.5Sr0.3Mn1.05O 3 |
4 - 5 |
1.1 - 1.3 |
for active and composite layers, compatible with YSZ electrolyte |
Protective coating
|
Chemical formula |
BET [m2/g] |
D50 [µm] |
Remarks |
|
|
CuMn2O4 |
CuMn2O4 |
10 - 15 |
0.1 – 0.2 |
|
|
Other compositions on request |
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Porosity Control
|
Chemical formula |
BET [m2/g] |
D50 [µm] |
Remarks |
|
|
PMMA |
Poly(methyl methacrylate) |
0.5 - 1 |
5 - 8 |
|
|
Other particle sizes on request |
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for composite cathode and buffer layer
for active and composite layers
for interconnects under oxidizing atmosphere
PMMA pore former to generate calibrated porosity in anode substrate or/and in electrodes