Materials for hydrogen storage: current research trends and perspectives

AWC van den Berg, CO Areán - Chemical Communications, 2008 - pubs.rsc.org
Storage and transport of hydrogen constitutes a key enabling technology for the advent of a
hydrogen-based energy transition. Main research trends on hydrogen storage materials …

Theoretical modeling of zeolite nanoparticle surface acidity for heavy oil upgrading

SR Stoyanov, S Gusarov, SM Kuznicki… - The Journal of …, 2008 - ACS Publications
We performed periodic density functional theory (DFT) and quantum-mechanics/molecular
mechanics (QM/MM) investigations of the surface acidity of zeolite nanoparticles derived …

Ammonia IRMS-TPD measurements and DFT calculation on acidic hydroxyl groups in CHA-type zeolites

K Suzuki, G Sastre, N Katada, M Niwa - Physical Chemistry Chemical …, 2007 - pubs.rsc.org
Brønsted acidity of H–chabazite (CHA) zeolites (Si: Al2= 4.2) was investigated by means of
ammonia infrared-mass spectrometry/temperature-programmed desorption (IRMS-TPD) …

Interaction of H2 with Alkali-Metal-Exchanged Zeolites:  a Quantum Mechanical Study

FJ Torres, JG Vitillo, B Civalleri… - The Journal of …, 2007 - ACS Publications
Recently, zeolites have been proposed as media for hydrogen by means of molecular
adsorption. The interaction of a dihydrogen molecule on alkali metal ions in high-silica …

Thermodynamics of hydrogen adsorption on calcium-exchanged faujasite-type zeolites

GT Palomino, B Bonelli, CO Areán, JB Parra… - international journal of …, 2009 - Elsevier
A combination of variable-temperature infrared spectroscopy with volumetric gas adsorption
measurements was used to study the thermodynamics of hydrogen adsorption, at a low …

Theoretical study of molecular hydrogen adsorption in Mg-exchanged chabazite

FJ Torres, B Civalleri, A Terentyev… - The Journal of …, 2007 - ACS Publications
An enthalpy of adsorption of ca.− 10 kJ/mol was theoretically predicted for the interaction of
molecular hydrogen with Mg-exchanged low silica chabazite (Si/Al= 5/1), which is …

Dihydrogen in cation-substituted zeolites X—an inelastic neutron scattering study

AJ Ramirez-Cuesta, PCH Mitchell, DK Ross… - Journal of Materials …, 2007 - pubs.rsc.org
An inelastic neutron scattering (INS) study of the rotational–vibrational spectrum of
dihydrogen sorbed by zeolite X having substituted sodium, calcium and zinc cations is …

A review of the computational studies of proton-and metal-exchanged chabazites as media for molecular hydrogen storage performed with the CRYSTAL code

FJ Torres, P Ugliengo, B Civalleri, A Terentyev… - International journal of …, 2008 - Elsevier
In the present paper, a review of our previously published results about the ab initio
modeling on the H2 interaction with the polarizing centers of proton-and metal-exchanged …

Origin of the Enhanced Interaction of Molecular Hydrogen with Extraframework Cu+ and FeO+ Cations in Zeolite Hosts. A Periodic DFT Study

X Solans-Monfort, M Sodupe… - The Journal of Physical …, 2010 - ACS Publications
The interactions of hydrogen molecules with Cu+ and FeO+ extraframework cations in
chabazite were studied using periodic DFT (B3LYP) calculations. Dispersion forces were …

A DFT periodic study on the interaction between O 2 and cation exchanged chabazite MCHA (M= H+, Na+ or Cu+): effects in the triplet–singlet energy gap

Y Perez-Badell, X Solans-Monfort, M Sodupe… - Physical Chemistry …, 2010 - pubs.rsc.org
O2 adsorption in proton, sodium and copper exchanged chabazite has been studied using
periodic and cluster approaches by means of density functional theory. The Grimme's …