Geological storage of CO 2 is a promising technique to mitigate anthropogenic CO 2
emissions. The effectiveness of CO 2 storage in the subsurface formations relies on various …

Underground hydrogen storage has emerged as a strategy to address the challenge of large-
scale, long-term, and economically viable hydrogen preservation, fulfilling energy demands …

Coal seams are naturally occurring geological media offering tremendous potential for gas
storage. The wetting characteristics of coals at typical geological formations underpin a …

Underground hydrogen energy storage (UHES) in lined rock caverns (LRCs) is of
paramount importance in addressing the inherent instability of clean energy generation and …

Subsurface aquifers demonstrate a broad range of salinities and salt compositions, affecting
the physicochemical characteristics of the CO 2/brine/rock systems, which in turn, influence …

The flow behavior of hydrogen in the presence of other gases remains underexplored,
creating a gap in its field implementation for large-scale seasonal storage in geological …

This study examines the technical, economic, and regulatory feasibility of using depleted
reservoirs for hydrogen storage. In this regard, utilizing depleted reservoirs is significantly …

Understanding rock wettability is crucial across various fields including hydrology,
subsurface fluid storage and extraction, and environmental sciences. In natural subsurface …

Converting surplus renewable energy into hydrogen is considered an efficient technique to
balance renewable energy generation and demand, which necessitates large-scale …

Hydrogen (H2) has recently gained momentum as a promising clean energy alternative to
fossil fuels. The intermittent nature of renewable energy, as the source of green H2 …