Pd-doped lanthanum ferrites for symmetric solid oxide fuel cells (SSOFCs)

被引：14

作者：

Marcucci, Andrea ^{[1
]}

Zurlo, Francesca ^{[1
]}

Sora, Isabella Natali ^{[2
]}

Luisetto, Igor ^{[3
]}

Licoccia, Silvia ^{[1
]}

Di Bartolomeo, Elisabetta ^{[1
]}

机构：

[1] Univ Roma Tor Vergata, Dept Chem Sci & Technol, Via Ric Sci, I-00133 Rome, Italy

[2] Univ Bergamo, Dept Engn & Appl Sci, I-24044 Dalmine, BG, Italy

[3] ENEA CR Casaccia DTE PCU IPSE, Dept Energy Technol Prod, SP 081 Via Anguillarese 301, I-00123 Rome, Italy

来源：

MATERIALIA | 2019年 / 8卷

关键词：

Perovskite; Ruddlesden-Popper phase; Symmetric solid oxide fuel cell (SSOFC); Electrochemical impedance spectroscopy; Fuel cell tests; PEROVSKITE; OXIDATION; PALLADIUM; ELECTRODE; METHANE; COMBUSTION; MECHANISM; CATALYSTS; KINETICS; CATHODES;

D O I：

10.1016/j.mtla.2019.100460

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Pd-doped lanthanum strontium ferrite powders La0.6Sr0.4Fe1-xPdxO3-delta with x = 0.05, 0.1 (LSFPd05 and LSFPd10) are synthesized by combustion synthesis method and investigated as electrocatalysts for fuel and air electrodes of symmetric solid oxide fuel cells (SSOFCs). X-ray diffraction (XRD), Rietveld refinement, surface area (BET), temperature programmed reaction (TPR) and temperature programmed oxidation (TPO) analyses are performed on LSFPd powders. Electrical measurements both in oxidizing and reducing conditions are carried out on sintered pellets. Electrolyte (La0.8Sr0.2 Ga0.8Mg0.2O3-delta) supported cells are prepared using LSFPd powders as electrodes. The electrochemical performances are evaluated in hydrogen and methane mixtures and promising performance are revealed in terms of large power output density and low polarization resistance.

引用

页数：8

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