The presented issues concern the analysis of barriers limiting large-scale underground
hydrogen storage. Prospects for the rapid development of the hydrogen economy, the role of …

Highlights•Hydrogen has a key role for a multisectorial defossilization and decarbonization.•
System-wide assessments of the impacts of a hydrogen economy on SDGs are …

Microgrids have received a lot of attention in the past few decades and researchers are
evaluating the integration of renewable resources especially fuel cells to overcome the …

Based on technical, environmental, economic and social facts and recent findings, the
feasibility of the transition from our current fossil age to the new green age is analyzed in …

The analysis of geological and reservoir conditions of the underground storage of hydrogen,
methane, and carbon dioxide, that are important when choosing rock formations for the …

Hydrogen production with the use of biological processes and renewable feedstock may be
considered an economical and sustainable alternative fuel. The high calorific value and zero …

Numeric modeling and the PetraSim program with a TOUGH2 deposit simulator have been
applied to the evaluation of the viability of seasonal (cyclic) hydrogen storage in a deep …

Green Hydrogen (GH) is increasingly recognized as a viable solution in the United States
(US) for meeting energy demands, achieving net zero emissions by 2050, and mitigating the …

Solar hydrogen technology, ie producing green hydrogen by electrolysis fed by solar panels,
is gaining attention as studies show it can compete with traditional electric batteries …

Geological structures in deep aquifers and salt caverns can play an important role in large-
scale hydrogen storage. However, more work needs to be done to address the hydrogen …