Front Cover: Catalyst Deactivation by Carbon Deposition: The Remarkable Case of Nickel Confined by Atomic Layer Deposition (13/2021)

Shaik Afzal, Anuj Prakash, Patrick Littlewood, Hanif Choudhury, Zafar Ghouri, Said Mansour, Dingdi Wang, Tobin Marks, Peter Stair, Nimir Elbashir

Research output: Contribution to journalArticlepeer-review

Abstract

The Front Cover shows an alumina-overcoated Ni/Al2O3 catalyst undergoing disintegration during dry methane reforming due to carbon buildup under the overcoat. The overcoated catalyst produces more than twice the carbon quantity than the uncoated one yet shows an impressive increase in DRM activity as the temperature is ramped. In their Full Paper, S. Afzal et al. reveal with their further investigation three remarkable phenomena which may be associated: (a) Formation of alumina nano-fibers that appear to act as secondary support for migrating nickel, (b) segregation of carbon as carbon nano-onion (CNO)-like structures, (c) fracturing of the overcoat exposing new active sites for sustained reaction. More information can be found in the Full Paper by S. Afzal et al.
Original languageEnglish
Pages (from-to)2959
Number of pages1
JournalChemCatChem
Volume13
Issue number13
DOIs
Publication statusPublished - 7 Jul 2021
Externally publishedYes

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