A review of the MSCA ITN ECOSTORE-Novel complex metal hydrides for efficient and compact storage of renewable energy as hydrogen and electricity

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  • Efi Hadjixenophontos, University of Stuttgart, Deutsches Zentrum für Luft- und Raumfahrt, Institut für Physik der Atmosphäre
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  • Erika Michela Dematteis, University Paris Est Creteil, Department of Chemistry and NIS, Università degli Studi di Torino
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  • Nicola Berti, University Paris Est Creteil, Università degli Studi di Torino
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  • Anna Roza Wołczyk, Università degli Studi di Torino
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  • Priscilla Huen, University of Southern Denmark
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  • Matteo Brighi, University of Geneva
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  • Thi Thu Le, Nanotechnology Department, Helmholtz-Zentrum Geesthacht - Zentrum für Material- und Küstenforschung GmbH
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  • Antonio Santoru, Helmholtz-Zentrum Geesthacht - Zentrum für Material- und Küstenforschung GmbH
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  • Seyed Hosein Payandeh, Aarhus University, Swiss Federal Laboratories for Materials Science and Technology (Empa)
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  • Filippo Peru, Demokritos National Centre for Scientific Research
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  • Anh Ha Dao, University Paris Est Creteil, Prospective Research Group-Saft Batteries, The University of Warwick
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  • Yinzhe Liu, Birmingham University, Global Energy Interconnection Group Company Limited
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  • Michael Heere, Institute for Energy Technology, Karlsruhe Institute of Technology

Hydrogen as an energy carrier is very versatile in energy storage applications. Developments in novel, sustainable technologies towards a CO2-free society are needed and the exploration of all-solid-state batteries (ASSBs) as well as solid-state hydrogen storage applications based on metal hydrides can provide solutions for such technologies. However, there are still many technical challenges for both hydrogen storage material and ASSBs related to designing low-cost materials with low-environmental impact. The current materials considered for all-solid-state batteries should have high conductivities for Na+, Mg2+ and Ca2+, while Al3+-based compounds are often marginalised due to the lack of suitable electrode and electrolyte materials. In hydrogen storage materials, the sluggish kinetic behaviour of solid-state hydride materials is one of the key constraints that limit their practical uses. Therefore, it is necessary to overcome the kinetic issues of hydride materials before discussing and considering them on the system level. This review summarizes the achievements of the Marie Sklodowska-Curie Actions (MSCA) innovative training network (ITN) ECOSTORE, the aim of which was the investigation of different aspects of (complex) metal hydride materials. Advances in battery and hydrogen storage materials for the efficient and compact storage of renewable energy production are discussed.

Original languageEnglish
Article number17
Number of pages72
Publication statusPublished - 2020

    Research areas

  • All-solid-state batteries, Amides, Anode materials, Beyond Li-ion, Borohydrides, Eutectic borohydride, Hydrogen storage, Imides, Kinetics tailoring, Lithium ion conductor, Metal hydrides, Na-based closo-borates, Nanoconfinement, Post Li-ion, Rare earth, Reactive hydride composites, Solid-state conductors, Solid-state electrolyte, Ti-based catalyst

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