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Pt–Ru catalysts supported on carbon xerogels for PEM fuel cells
Abstract Pt–Ru electrocatalysts supported on carbon xerogels were synthesized by reduction of metal precursors with formate ions (SFM method). The carbon xerogel was chemically and heat treated inExpand
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Hydrogen production from sodium borohydride in methanol–water mixtures
Abstract Hydrogen production systems based on the hydrolysis of sodium borohydride loose efficiency due to the excess water needed to account for the reaction and water capture by the by-product.Expand
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Dynamic Modeling of Hydrogen Generation via Hydrolysis of Sodium Borohydride
This paper deals with the dynamic modeling of a hydrogen production system using gPROMS. The model includes mass balances, liquid-gas equilibrium relations, mass transfer laws and kinetic reactionExpand
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Alkali free hydrolysis of sodium borohydride for hydrogen generation under pressure
The present study is related with the production of hydrogen gas (H2), at elevated pressures and with high gravimetric storage density, to supply a PEM fuel cell on-demand. To achieve this goal,Expand
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Fuel Starvation: Irreversible Degradation Mechanisms in PEM Fuel Cells
PEM fuel cell operates under very aggressive conditions in both anode and cathode. Failure modes and mechanism in PEM fuel cells include those related to thermal, chemical or mechanical issues thatExpand
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In situ x-ray photoelectron spectroscopy of model catalysts: at the edge of the gap.
We present high-pressure x-ray photoelectron spectroscopy (HP-XPS) and first-principles kinetic Monte Carlo study addressing the nature of the active surface in CO oxidation over Pd(100).Expand
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A high pressure x-ray photoelectron spectroscopy study of CO oxidation over Rh(100).
We have studied the oxidation of CO over Rh(100) using high pressure x-ray photoelectron spectroscopy under CO and O2 pressures ranging from 0.01 to 1 mbar. The results show a very low or noExpand
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Surface composition of clean and oxidized Pd75Ag25(100) from photoelectron spectroscopy and density functional theory calculations
High resolution photoelectron spectroscopy and density functional theory calculations have been used to study the composition of clean and oxidized Pd75Ag25( 100). The results for the clean surfaceExpand
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Integrating hydrogen generation and storage in a novel compact electrochemical system based on metal hydrides
Abstract The development of efficient and reliable energy storage systems based on hydrogen technology represents a challenge to seasonal storage based on renewable hydrogen. State of the artExpand
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Anterior Capsule Haptic Fixation: a new technique for recentring subluxated IOLs
n modern cataract surgery, correctpositioning of in-the-bag posteriorchamber intra-ocular lens (PCIOL) isfundamental for maintaining the opti-cal properties of the eye and achievingbest possibleExpand
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