Hydrogen and Metal Hydride Energy Technologies: Current State and Problems of Commercialization

The need for the transition to carbon-free energy and the introduction of hydrogen energy technologies as its key element is substantiated. The main issues related to hydrogen energy materials and systems, including technologies for the production, storage, transportation, and use of hydrogen are considered. The application areas of metal hydrides as promising materials for hydrogen energy technologies are presented. Prospects for the commercialization of hydrogen and metal hydride technologies are discussed, including those using cheap hydride-forming materials based on titanium–iron alloys.