Hydrogen Induced Abrupt Structural Expansion at High Temperatures of a Ni32Nb28Zr30Cu10 Membrane for H2 Purification

Hydrogen Induced Abrupt Structural Expansion at High Temperatures of a Ni32Nb28Zr30Cu10 Membrane for H2 Purification

Ni-Nb-Zr amorphous membranes, prepared by melt-spinning, show great potential for replacing crystalline Pd-based materials in the field of hydrogen purification to an ultrapure grade (>99.999%). In this study, we investigate the temperature evolution of the structure of an amorphous ribbon wi...

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Main Authors: Oriele Palumbo, Francesco Trequattrini, Madhura Hulyalkar, Suchismita Sarker, Narendra Pal, Dhanesh Chandra, Ted Flanagan, Michael Dolan, Annalisa Paolone
Format: Article
Language:English
Published: MDPI AG 2016-11-01
Series:Membranes
Subjects:
lattice expansion
amorphous membranes
hydrogen sorption
XRD
DTA
hydrogenation enthalpy
Online Access:http://www.mdpi.com/2077-0375/6/4/48
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spelling doaj-dbb2b7a78d504e25a7dc9bd3250173b02020-11-24T22:35:42ZengMDPI AGMembranes2077-03752016-11-01644810.3390/membranes6040048membranes6040048Hydrogen Induced Abrupt Structural Expansion at High Temperatures of a Ni32Nb28Zr30Cu10 Membrane for H2 PurificationOriele Palumbo0Francesco Trequattrini1Madhura Hulyalkar2Suchismita Sarker3Narendra Pal4Dhanesh Chandra5Ted Flanagan6Michael Dolan7Annalisa Paolone8Consiglio Nazionale delle Ricerche, Istituto del Sistemi Complessi, U.O.S. La Sapienza, Piazzale A. Moro 5, Rome 00185, ItalyConsiglio Nazionale delle Ricerche, Istituto del Sistemi Complessi, U.O.S. La Sapienza, Piazzale A. Moro 5, Rome 00185, ItalyDepartment of Chemical and Materials Engineering, University of Nevada, Reno, NV 89557, USADepartment of Chemical and Materials Engineering, University of Nevada, Reno, NV 89557, USADepartment of Chemical and Materials Engineering, University of Nevada, Reno, NV 89557, USADepartment of Chemical and Materials Engineering, University of Nevada, Reno, NV 89557, USADepartment of Chemistry, University of Vermont, Burlington, VT 05405, USACommonwealth Scientific and Industrial Research Organisation, Queensland Centre for Advanced Technologies, Energy, 1 Technology Court, Pullenvale 4069, AustraliaConsiglio Nazionale delle Ricerche, Istituto del Sistemi Complessi, U.O.S. La Sapienza, Piazzale A. Moro 5, Rome 00185, ItalyNi-Nb-Zr amorphous membranes, prepared by melt-spinning, show great potential for replacing crystalline Pd-based materials in the field of hydrogen purification to an ultrapure grade (>99.999%). In this study, we investigate the temperature evolution of the structure of an amorphous ribbon with the composition Ni32Nb28Zr30Cu10 (expressed in atom %) by means of XRD and DTA measurements. An abrupt structural expansion is induced between 240 and 300 °C by hydrogenation. This structural modification deeply modifies the hydrogen sorption properties of the membrane, which indeed shows a strong reduction of the hydrogen capacity above 270 °C.http://www.mdpi.com/2077-0375/6/4/48lattice expansionamorphous membraneshydrogen sorptionXRDDTAhydrogenation enthalpy
collection DOAJ
language English
format Article
sources DOAJ
author Oriele Palumbo
Francesco Trequattrini
Madhura Hulyalkar
Suchismita Sarker
Narendra Pal
Dhanesh Chandra
Ted Flanagan
Michael Dolan
Annalisa Paolone
spellingShingle Oriele Palumbo
Francesco Trequattrini
Madhura Hulyalkar
Suchismita Sarker
Narendra Pal
Dhanesh Chandra
Ted Flanagan
Michael Dolan
Annalisa Paolone
Hydrogen Induced Abrupt Structural Expansion at High Temperatures of a Ni32Nb28Zr30Cu10 Membrane for H2 Purification
Membranes
lattice expansion
amorphous membranes
hydrogen sorption
XRD
DTA
hydrogenation enthalpy
author_facet Oriele Palumbo
Francesco Trequattrini
Madhura Hulyalkar
Suchismita Sarker
Narendra Pal
Dhanesh Chandra
Ted Flanagan
Michael Dolan
Annalisa Paolone
author_sort Oriele Palumbo
title Hydrogen Induced Abrupt Structural Expansion at High Temperatures of a Ni32Nb28Zr30Cu10 Membrane for H2 Purification
title_short Hydrogen Induced Abrupt Structural Expansion at High Temperatures of a Ni32Nb28Zr30Cu10 Membrane for H2 Purification
title_full Hydrogen Induced Abrupt Structural Expansion at High Temperatures of a Ni32Nb28Zr30Cu10 Membrane for H2 Purification
title_fullStr Hydrogen Induced Abrupt Structural Expansion at High Temperatures of a Ni32Nb28Zr30Cu10 Membrane for H2 Purification
title_full_unstemmed Hydrogen Induced Abrupt Structural Expansion at High Temperatures of a Ni32Nb28Zr30Cu10 Membrane for H2 Purification
title_sort hydrogen induced abrupt structural expansion at high temperatures of a ni32nb28zr30cu10 membrane for h2 purification
publisher MDPI AG
series Membranes
issn 2077-0375
publishDate 2016-11-01
description Ni-Nb-Zr amorphous membranes, prepared by melt-spinning, show great potential for replacing crystalline Pd-based materials in the field of hydrogen purification to an ultrapure grade (>99.999%). In this study, we investigate the temperature evolution of the structure of an amorphous ribbon with the composition Ni32Nb28Zr30Cu10 (expressed in atom %) by means of XRD and DTA measurements. An abrupt structural expansion is induced between 240 and 300 °C by hydrogenation. This structural modification deeply modifies the hydrogen sorption properties of the membrane, which indeed shows a strong reduction of the hydrogen capacity above 270 °C.
topic lattice expansion
amorphous membranes
hydrogen sorption
XRD
DTA
hydrogenation enthalpy
url http://www.mdpi.com/2077-0375/6/4/48
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