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Porous Ag–CGO cermets as anode materials for ITSOFC using CO fuel

Paper ID Volume ID Publish Year Pages File Format Full-Text
51909 46858 2008 5 PDF Available
Title
Porous Ag–CGO cermets as anode materials for ITSOFC using CO fuel
Abstract

A novel route was developed for preparing Ag–CGO porous cermets as the anode materials for intermediate-temperature solid oxide fuel cells (ITSOFCs) using Ce0.8Gd0.2O1.9(CGO) electrolyte. Porous CGO was prepared by leaching MgO from MgO–CGO ceramics with acetic acid and then impregnated with AgNO3 solution. Porous cermet that contained 45 wt% Ag with the optimal porosity of 48% was a promising anode material for ITSOFCs using CO as the fuel. It yielded an electrical conductivity of 1260 S cm−1 at 923 K and a CO oxidation rate of 0.6mmolmin-1gcat-1, and it was catalytically stable under reaction condition for 50 h with negligible carbon deposition.

Keywords
Ag; CGO; Cermet; CO oxidation; Carbon deposition; SOFC; MgO; Acid-leaching
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Porous Ag–CGO cermets as anode materials for ITSOFC using CO fuel
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 7, 1 April 2008, Pages 1595–1599
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us