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|Title:||GdBaCo2O5+x layered perovskite as an intermediate temperature solid oxide fuel cell cathode|
|Author:||Tarancón Rubio, Albert|
Skinner, Stephen J.
Kilner, John A.
Estradé Albiol, Sònia
Hernández Ramírez, Francisco
Peiró Martínez, Francisca
Morante i Lleonart, Joan Ramon
Piles de combustible
|Abstract:||GdBaCo2O5+x (GBCO) was evaluated as a cathode for intermediate-temperature solid oxide fuel cells. A porous layer of GBCO was deposited on an anode-supported fuel cell consisting of a 15m thick electrolyte of yttria-stabilized zirconia (YSZ) prepared by dense screen-printing and a Ni–YSZ cermet as an anode (Ni–YSZ/YSZ/GBCO). Values of power density of 150 mW cm−2 at 700◦C and ca. 250 mW cm−2 at 800◦C are reported for this standard conﬁguration using 5% of H2 in nitrogen as fuel. An intermediate porous layer of YSZ was introduced between the electrolyte and the cathode improving the performance of the cell. Values for power density of 300 mW cm−2 at 700◦C and ca. 500 mW cm−2 at 800◦C in this conﬁguration were achieved.|
|Note:||Versió postprint del document publicat a: http://dx.doi.org/10.1016/j.jpowsour.2007.08.077|
|It is part of:||Journal of Power Sources, 2007, vol. 174, num. 1, p. 257 -263|
|Appears in Collections:||Articles publicats en revistes (Electrònica)|
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