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  Surface and Subsurface Dynamics of the Intermetallic Compound ZnNi in Methanol Steam Reforming

Friedrich, M., Teschner, D., Knop-Gericke, A., & Armbrüster, M. (2012). Surface and Subsurface Dynamics of the Intermetallic Compound ZnNi in Methanol Steam Reforming. The Journal of Physical Chemistry C, 116(28), 14930-14935. doi:10.1021/jp303174h.

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Supporting Information_1566285.pdf (Any fulltext), 83KB
 
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 Creators:
Friedrich, Matthias1, Author
Teschner, Detre2, Author           
Knop-Gericke, Axel2, Author           
Armbrüster, Marc1, Author           
Affiliations:
1Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, 01187 Dresden, Germany, ou_persistent22              
2Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              

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 Abstract: The intermetallic compound ZnNi has been tested as unsupported powder catalyst in methanol steam reforming, showing severe performance changes during the process. Results from in situ XPS experiments proved the decomposition of the surface of ZnNi by Zn oxidation and complete desegregation of Ni. The decomposition of ZnNi even extends toward the bulk, as proven by in situ DTA/TG and XRD. On the basis of these findings, the catalytic properties initially ascribed to ZnNi can not be attributed to the intermetallic compound but have to be assigned to a mixture of the decomposition products.

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Language(s): eng - English
 Dates: 2012-07-092012-07-19
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/jp303174h
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Title: The Journal of Physical Chemistry C
  Other : J. Phys. Chem. C
Source Genre: Journal
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Publ. Info: Washington DC : American Chemical Society
Pages: - Volume / Issue: 116 (28) Sequence Number: - Start / End Page: 14930 - 14935 Identifier: ISSN: 1932-7447
CoNE: https://pure.mpg.de/cone/journals/resource/954926947766