A comprehensive study on lithium-based reactive hydride composite (Li-RHC) as a reversible solid-state hydrogen storage system toward potential mobile applications.

Reversible solid-state hydrogen storage is one of the key technologies toward pollutant-free and sustainable energy conversion. The composite system LiBH-MgH can reversibly store hydrogen with a gravimetric capacity of 13 wt%. However, its dehydrogenation/hydrogenation kinetics is extremely sluggish (∼40 h) which hinders its usage for commercial applications.

Enhanced Stability of Li-RHC Embedded in an Adaptive TPX™ Polymer Scaffold.

In this work, the possibility of creating a polymer-based adaptive scaffold for improving the hydrogen storage properties of the system 2LiH+MgB+7.5(3TiCl·AlCl) was studied. Because of its chemical stability toward the hydrogen storage material, poly(4-methyl-1-pentene) or in-short TPX was chosen as the candidate for the scaffolding structure.

Improved kinetic behaviour of Mg(NH)-2LiH doped with nanostructured K-modified-LiTiO for hydrogen storage.

The system Mg(NH) + 2LiH is considered as an interesting solid-state hydrogen storage material owing to its low thermodynamic stability of ca. 40 kJ/mol H and high gravimetric hydrogen capacity of 5.6 wt.

Tuning LiBH for Hydrogen Storage: Destabilization, Additive, and Nanoconfinement Approaches.

Hydrogen technology has become essential to fulfill our mobile and stationary energy needs in a global low-carbon energy system. The non-renewability of fossil fuels and the increasing environmental problems caused by our fossil fuel-running economy have led to our efforts towards the application of hydrogen as an energy vector. However, the development of volumetric and gravimetric efficient hydrogen storage media is still to be addressed.

CO reutilization for methane production via a catalytic process promoted by hydrides.

CO2 emissions have been continuously increasing during the last half of the century with a relevant impact on the planet and are the main contributor to the greenhouse effect and global warming. The development of new technologies to mitigate these emissions poses a challenge. Herein, the recycling of CO2 to produce CH4 selectively by using Mg2FeH6 and Mg2NiH4 complex hydrides as dual conversion promoters and hydrogen sources has been demonstrated.

Kinetic alteration of the 6Mg(NH)-9LiH-LiBH system by co-adding YCl and LiN.

The 6Mg(NH)-9LiH-LiBH composite system has a maximum reversible hydrogen content of 4.2 wt% and a predicted dehydrogenation temperature of about 64 °C at 1 bar of H. However, the existence of severe kinetic barriers precludes the occurrence of de/re-hydrogenation processes at such a low temperature (H.

KNH-KH: a metal amide-hydride solid solution.

We report for the first time the formation of a metal amide-hydride solid solution. The dissolution of KH into KNH leads to an anionic substitution, which decreases the interaction among NH ions. The rotational properties of the high temperature polymorphs of KNH are thereby retained down to room temperature.

Structural and kinetic investigation of the hydride composite Ca(BH4)2 + MgH2 system doped with NbF5 for solid-state hydrogen storage.

Designing safe, compact and high capacity hydrogen storage systems is the key step towards introducing a pollutant free hydrogen technology into a broad field of applications. Due to the chemical bonds of hydrogen-metal atoms, metal hydrides provide high energy density in safe hydrogen storage media. Reactive hydride composites (RHCs) are a promising class of high capacity solid state hydrogen storage systems.