Metal (boro-) hydrides for high energy density storage and relevant emerging technologies
L.J. Bannenberg, M. Heere, H. Benzidi, J. Montero, E.M. Dematteis, S., Suwarno, T. Jaro\'n, M. Winny, P.A. Or{\l}owski, W. Wegner, A. Starobrat,, K.J. Fija{\l}kowski, W. Grochala, Z. Qian, J.-P. Bonnet, I. Nuta, W., Lohstroh, C. Zlotea, O. Mounkachi, F. Cuevas, C. Chatillon
TL;DR
This review discusses metal hydrides and borohydrides as promising high-energy-density materials for energy storage, highlighting recent advances, applications in batteries and sensors, and characterization techniques to understand their hydrogen interactions.
Contribution
It provides a comprehensive overview of recent research on metal hydrides and borohydrides, including novel materials, applications, and specialized characterization methods.
Findings
Metal hydrides can serve as efficient hydrogen and heat storage media.
Novel metal borohydrides are synthetically accessible and promising for energy storage.
Characterization techniques enhance understanding of hydrogen interactions in these materials.
Abstract
The current energy transition imposes a rapid implementation of energy storage systems with high energy density and eminent regeneration and cycling efficiency. Metal hydrides are potential candidates for generalized energy storage, when coupled with fuel cell units and/or batteries. An overview of ongoing research is reported and discussed in this review work on the light of application as hydrogen and heat storage matrices, as well as thin films for hydrogen optical sensors. These include a selection of single-metal hydrides, Ti-V(Fe) based intermetallics, multi-principal element alloys (high-entropy alloys), and a series of novel synthetically accessible metal borohydrides. Metal hydride materials can be as well of important usefulness for MH-based electrodes with high capacity (e.g. MgH2 ~ 2000 mAh g-1) and solid-state electrolytes displaying high ionic conductivity suitable,…
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