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Modification of Solid Oxide Fuel Cell Anodes


Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description

A priority for research in solid oxide fuel cells (SOFCs) is to develop cells that can maintin adequate performance in sulfur-containing fuel streams. For this objective, ceria coatings were applied on anodes of solid oxide fuel cells using and aqueous deposition technique. Sulfur tolerance testing was carried out on uncoated and coated cells in H2/N2 fuel streams containing up to 500 ppm hydrogen sulfide. Post-testing analysis revealed irreversible microstructural changes e.g. coarsening and depletion of Ni, that coincided with permanent loss of cell performance. Ceria-coated cells gave greater total charge output, survived higher cumulative H2S exposure, and exhibited longer operating lifetime than uncoated cells. Possible reasons for the better performance of the cells with ceria-coated anodes are proposed: the ceria coating may a) spatially extend the triple phase boundary, b) preferentially oxidize the sulfur-containing species, and c) act as a protective shell around the nickel phase to slow the irreversible microstructure changes.

Product Specifications
SKU :COC92919
AuthorLing Tang
Number of Pages200
Publishing Year2013-05-31T00:00:00.000
Edition1 st
Book TypeAerospace & aviation technology
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-10-08 00:00:00