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Study of Ceria-Carb...
Study of Ceria-Carbonate Nanocomposite Electrolytes for Low-Temperature Solid Oxide Fuel Cells
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- Fan, Liangdong, 1985- (author)
- KTH,Energiteknik,Fuel cell
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- Wang, Chengyang (author)
- Chemical engineering and technology,Carbon and battery
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- Di, Jin (author)
- Tianjin University, China,Carbon and battery
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- Chen, Mingming (author)
- Chemical engineering and technology,Carbon and battery
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Zhen, Jiaming (author)
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- Zhu, Bin (author)
- KTH,Kraft- och värmeteknologi,Fuel cell
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(creator_code:org_t)
- American Scientific Publishers, 2012
- 2012
- English.
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In: Journal of Nanoscience and Nanotechnology. - : American Scientific Publishers. - 1533-4880 .- 1533-4899. ; 12:6, s. 4941-4945
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https://kth.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Composite and nanocomposite samarium doped ceria-carbonates powders were prepared by solidstatereaction, citric acid-nitrate combustion and modified nanocomposite approaches and used aselectrolytes for low temperature solid oxide fuel cells. X-ray Diffraction, Scanning Electron Microscope,low-temperature Nitrogen Adsorption/desorption Experiments, Electrochemical ImpedanceSpectroscopy and fuel cell performance test were employed in characterization of these materials.All powders are nano-size particles with slight aggregation and carbonates are amorphous incomposites. Nanocomposite electrolyte exhibits much lower impedance resistance and higher ionicconductivity than those of the other electrolytes at lower temperature. Fuel cell using the electrolyteprepared by modified nanocomposite approach exhibits the best performance in the whole operationtemperature range and achieves a maximum power density of 839 mW cm−2 at 600 C withH2 as fuel. The excellent physical and electrochemical performances of nanocomposite electrolytemake it a promising candidate for low-temperature solid oxide fuel cells.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Keyword
- Low-Temperature Solid Oxide Fuel Cells
- Doped Ceria-Carbonate
- Electrolyte
- Nanocomposite
- Electrochemical Performance.
Publication and Content Type
- ref (subject category)
- art (subject category)
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