Novel Low Temperature Solid State Fuel Cells | Zendy

Chonglin Chen | Zendy; Patrick S. Nash | Zendy; Jian Liu | Zendy; Gregory Collins | Zendy

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Novel Low Temperature Solid State Fuel Cells

Author(s) -

Chonglin Chen,

Patrick S. Nash,

Jian Liu,

Gregory Collins

Publication year - 2010

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/1083746

Subject(s) - materials science , thin film , dielectric spectroscopy , yttria stabilized zirconia , perovskite (structure) , substrate (aquarium) , pulsed laser deposition , atmospheric temperature range , electrolyte , chemical engineering , epitaxy , electrode , analytical chemistry (journal) , electrochemistry , composite material , nanotechnology , layer (electronics) , chemistry , ceramic , cubic zirconia , chromatography , geology , meteorology , engineering , oceanography , physics

We have successfully fabricated (PrBa)Co{sub 2}O{sub 5+{delta}} and (LaBa)Co{sub 2}O{sub 5+{deleta}} epitaxial thin film on various single crystal substrates. Physical and electrochemical properties characterizations were carried out. Highly conductive oxygen-deficient double perovskite LnBaCo2O5+? thin films were grown on single crystal (001) SrTiO{sub 3} (STO), (001) MgO, (001) LaAlO{sub 3} and (110) NdGaO{sub 3} substrate by pulsed laser deposition. Microstructure studies from synchrotron X-ray diffraction and Transmission electron microscopy. High temperature transport properties was carried in different atmosphere (O{sub 2},Air, N{sub 2}) up to ~900K. Resistance response of (LaBa)Co{sub 2}O{sub 5+{delta}} epitaxial thin film was characterized in oxygen, nitrogen and 4% hydrogen over a wide range of temperature from 400C up to 800C. To determine the electrode performance and oxygen exchange kinetics of PrBaCo{sub 2}O{sub 5+{delta}}, multi-layered thin film based half cell was deposited on LaAlO{sub 3}(001) substrate. The temperature dependence of the resistance of this half ?cell structure was characterized by electrochemical impedance spectroscopy (EIS) within different temperature and gas environments. Anode supported fuel cells, with GCO:YSZ multilayer thin film as electrolyte and PBCO thin film as electrode, are fabricated on tape casted NiO/YSZ substrate. Full cell performance is characterized up to 800C

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