Nanostructured Lanthanum Manganate Composite Cathode | Zendy

Wei Guo Wang | Zendy; Yilin Liu | Zendy; Rasmus Barfod | Zendy; Steen B. Schougaard | Zendy; P. Gordes | Zendy; Séverine Ramousse | Zendy; Peter Vang Hendriksen | Zendy; Mogens Bjerg Mogensen | Zendy

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Nanostructured Lanthanum Manganate Composite Cathode

Author(s) -

Wei Guo Wang,

Yilin Liu,

Rasmus Barfod,

Steen B. Schougaard,

P. Gordes,

Séverine Ramousse,

Peter Vang Hendriksen,

Mogens Bjerg Mogensen

Publication year - 2005

Publication title -

electrochemical and solid-state letters

Language(s) - English

Resource type - Journals

eISSN - 1944-8775

pISSN - 1099-0062

DOI - 10.1149/1.2081890

Subject(s) - manganate , materials science , lanthanum , composite number , cathode , composite material , chemical engineering , inorganic chemistry , chemistry , battery (electricity) , engineering , power (physics) , physics , quantum mechanics

Anode-supported cells were fabricated with optimized cathodes showing high power density of 1.2 W/cm2 at 800°C under a cell voltage of 0.7 V and an active area of 4 4 cm. A microstructure study was performed on such cell using a field-emission gun scanning electron microscope, which revealed that the La1−xSrx yMnO3± LSM composite cathodes consist of a network of homogenously distributed LSM, yttria-stabilized zirconia YSZ , and pores. The individual grain size of LSM or YSZ is approximately 100 nm. The degree of contact between cathode and electrolyte is 39% on average. © 2005 The Electrochemical Society. DOI: 10.1149/1.2081890 All rights reserved.

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