Article | REF: RE111 V2

Reversible hydrogen storage in alanates

Authors: Junxian ZHANG, Fermin CUEVAS, Annick PERCHERON-GUÉGAN

Publication date: November 10, 2013, Review date: June 23, 2022

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ABSTRACT

Alanates, inorganic compounds formed by an anionic complex Al-H and a metal cation, contain large quantities of hydrogen. At this time, the sodium tetra-alanate,, NaAlH4, is the most promising compound for the reversible storage of hydrogen under normal pressure and temperature conditions. It absorbs 5.6 wt. % of hydrogen with a high volumetric density (70 kgH/m3), a high compactness (kgH/m3 70) and fast hydrogenation kinetics in the presence of titanium-based dopants.

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AUTHORS

  • Junxian ZHANG: Doctor Post-doc at CNRS, Rare Earth Metallurgical Chemistry Team, Institut de chimie et des matériaux Paris-Est, CNRS-UPE, UMR7182

  • Fermin CUEVAS: PhD CNRS Research Fellow, Rare Earth Metallurgical Chemistry Team, Institut de chimie et des matériaux Paris-Est, CNRS-UPE, UMR7182

  • Annick PERCHERON-GUÉGAN: PhD CNRS Research Director, Rare Earth Metallurgical Chemistry Team, Institut de chimie et des matériaux Paris-Est, CNRS-UPE, UMR7182

 INTRODUCTION

Key points

Field: Green chemistry, energy

Degree of technology diffusion: Emergence | Growth | Maturity

Technologies involved :

Applications: Hydrogen storage, fuel cells

Main French players: CNRS

Competitive clusters :

Competence centers :

Manufacturers :

Other players worldwide :

Contact : [email protected] , http://www.icmpe.cnrs.fr/spip.php?article628〈=fr

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Reversible hydrogen storage in alanates