Combinatorial method for the development of a catalyst promoting hydrogen uptake

A. Borgschulte; W. Lohstroh; R.J. Westerwaal; H. Schreuders; J.H. Rector; B. Dam; R.P. Griessen

doi:10.1016/j.jallcom.2005.01.137

Combinatorial method for the development of a catalyst promoting hydrogen uptake

A. Borgschulte, W. Lohstroh, R.J. Westerwaal, H. Schreuders, J.H. Rector, B. Dam, R.P. Griessen

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Abstract

A novel optical technique to measure catalytic activity for hydrogen sorption is presented. The catalytic activity of the noble metals of Pd, Ni, Cu and Ag is studied as function of pressure and temperature. The uptake rate is limited by chemisorption as deduced by modelling kinetics. An empirical relation between uptake rate and the measured activation energy is given. The catalytic activity of NbOx is studied as a function of the oxygen concentration determined from electron spectroscopy. The measured activation energy depends strongly on the oxygen concentration and reaches a minimum of 0.6 eV at the highest oxygen content (
x=2.5
, i.e. Nb2O5). Pure Nb does not display a significant catalytic efect.

Original language	English
Pages (from-to)	699-705
Number of pages	7
Journal	Journal of Alloys and Compounds
Volume	404-406
Early online date	27 Jul 2005
DOIs	https://doi.org/10.1016/j.jallcom.2005.01.137
Publication status	Published - 8 Dec 2005

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title = "Combinatorial method for the development of a catalyst promoting hydrogen uptake",

abstract = "A novel optical technique to measure catalytic activity for hydrogen sorption is presented. The catalytic activity of the noble metals of Pd, Ni, Cu and Ag is studied as function of pressure and temperature. The uptake rate is limited by chemisorption as deduced by modelling kinetics. An empirical relation between uptake rate and the measured activation energy is given. The catalytic activity of NbOx is studied as a function of the oxygen concentration determined from electron spectroscopy. The measured activation energy depends strongly on the oxygen concentration and reaches a minimum of 0.6 eV at the highest oxygen content (x=2.5, i.e. Nb2O5). Pure Nb does not display a significant catalytic efect.",

author = "A. Borgschulte and W. Lohstroh and R.J. Westerwaal and H. Schreuders and J.H. Rector and B. Dam and R.P. Griessen",

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T1 - Combinatorial method for the development of a catalyst promoting hydrogen uptake

AU - Borgschulte, A.

AU - Lohstroh, W.

AU - Westerwaal, R.J.

AU - Schreuders, H.

AU - Rector, J.H.

AU - Dam, B.

AU - Griessen, R.P.

PY - 2005/12/8

Y1 - 2005/12/8

N2 - A novel optical technique to measure catalytic activity for hydrogen sorption is presented. The catalytic activity of the noble metals of Pd, Ni, Cu and Ag is studied as function of pressure and temperature. The uptake rate is limited by chemisorption as deduced by modelling kinetics. An empirical relation between uptake rate and the measured activation energy is given. The catalytic activity of NbOx is studied as a function of the oxygen concentration determined from electron spectroscopy. The measured activation energy depends strongly on the oxygen concentration and reaches a minimum of 0.6 eV at the highest oxygen content (x=2.5, i.e. Nb2O5). Pure Nb does not display a significant catalytic efect.

AB - A novel optical technique to measure catalytic activity for hydrogen sorption is presented. The catalytic activity of the noble metals of Pd, Ni, Cu and Ag is studied as function of pressure and temperature. The uptake rate is limited by chemisorption as deduced by modelling kinetics. An empirical relation between uptake rate and the measured activation energy is given. The catalytic activity of NbOx is studied as a function of the oxygen concentration determined from electron spectroscopy. The measured activation energy depends strongly on the oxygen concentration and reaches a minimum of 0.6 eV at the highest oxygen content (x=2.5, i.e. Nb2O5). Pure Nb does not display a significant catalytic efect.

U2 - 10.1016/j.jallcom.2005.01.137

DO - 10.1016/j.jallcom.2005.01.137

M3 - Article

SN - 0925-8388

VL - 404-406

SP - 699

EP - 705

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

ER -

Combinatorial method for the development of a catalyst promoting hydrogen uptake

Abstract

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