Hydrides: Science and Technology
A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A5: Hydrogen Energy".
Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 9920
Special Issue Editor
Interests: nanostructured and amorphous materials for solid state hydrogen storage; nanostructure superconductors
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Special Issue Information
Dear Colleagues,
Since the late 1940s, the synthesis methodologies and properties of hydrides have attracted the attention of chemists, physicists and engineers. From a purely scientific point of view, hydrides constitute fascinating materials with diverse crystallographic structures and bonding characteristics, exhibiting a whole spectrum of unusual chemical and physical properties. For the past 20 years they have also attracted the attention of engineers since they have the potential for very efficient generation and storage of hydrogen in the solid state. For reversible hydrides, their dehydrogenation/rehydrogenation phenomenon is an example of energy transformation that may be utilized as either hydrogen or heat storage system. Dehydrogenation of irreversible hydrides can supply very clean hydrogen gas (H2) that is a potential energy carrier. Hydrogen gas is necessary for the implementation of the world-wide hydrogen economy in which an efficient usage of fuel cells where H2 in contact with oxygen (O2) is converted into an electrical energy. Engineering systems for supplying H2 to fuel cells in the future hydrogen economy, based on solid hydrides, are the most attractive long-term solution. However, solid state hydrogen storage in the most important automotive sector is extremely challenging and requires high H2 capacity (>11wt.%) hydride systems, capable of dehydrogenation at low temperatures (<100°C) under 1 bar H2 pressure and exhibiting reasonably fast “on-board” reversibility. Unfortunately, a hydride system suitable for automotive H2 storage has not yet been found. However, there are a number of other potential applications for H2 generation systems, such as portable electronic devices, stationary auxiliary power, off-road vehicles, portable electronics and others that may not require “on-board” reversibility. Recently, substantial research efforts have also been devoted to newly developing areas in the application of metal and complex hydrides for Li-ion batteries and electrochemical storage.
I cordially invite you to submit manuscripts on all the above and other related topics for this Special Issue "Hydrides: Science and Technology”. Both theoretical and experimental contributions are welcomed.
Prof. Dr. Robert A. Varin
Guest Editor
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Keywords
- metal hydrides
- complex hydrides
- nanocomposite hydride systems
- confined hydrides
- hydride ionic conductors
- hydrides for rechargeable batteries (solid electrolytes and electrodes)
- hydrides for solid state hydrogen generation and/or storage
- hydrides for electrochemical hydrogen storage
- engineering applications of hydrides
- modelling
- non-hydride materials for hydrogen storage
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