Review of magnesium hydride-based materials: development and optimisation

Journal article (2016)

Authors

J. C. Crivello Université Paris-Est
B. Dam ChemE/Materials for Energy Conversion and Storage - AS
More Authors... External organisation
R. V. Denys Institute for Energy Technology
M. Dornheim Helmholtz-Zentrum Geesthacht - Zentrum für Material- und Küstenforschung GmbH
D. M. Grant University of Nottingham
J. Huot Université du Québec à Trois-Rivières
T. R. Jensen Aarhus University
P. de Jongh Universiteit Utrecht
M. Latroche Université Paris-Est
C. Milanese Pavia University
Research Group
ChemE/Materials for Energy Conversion and Storage (AS) (TU Delft)
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Published Date

01-02-2016

Language

English

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Faculty

Applied Sciences

Department

ChemE/Chemical Engineering

Research Group

ChemE/Materials for Energy Conversion and Storage

Abstract

Magnesium hydride has been studied extensively for applications as a hydrogen storage material owing to the favourable cost and high gravimetric and volumetric hydrogen densities. However, its high enthalpy of decomposition necessitates high working temperatures for hydrogen desorption while the slow rates for some processes such as hydrogen diffusion through the bulk create challenges for large-scale implementation. The present paper reviews fundamentals of the Mg–H system and looks at the recent advances in the optimisation of magnesium hydride as a hydrogen storage material through the use of catalytic additives, incorporation of defects and an understanding of the rate-limiting processes during absorption and desorption.