Ex-situ biomethanation is an emerging technology that facilitates the use of surplus
renewable electricity and valorizes carbon dioxide (CO 2) for biomethane production by …

Biological methanation of H 2 and CO 2 in trickle bed reactors is a promising energy
conversion and storage approach that can support the energy transition towards a …

The underground bio-methanation of hydrogen and carbon dioxide, fulfilling multiple
functions such as carbon mitigation, large-scale energy storage, and renewable natural gas …

This study addresses the microbial risks associated with Underground Hydrogen Storage
(UHS), a critical component in the transition towards renewable energy systems, by …

H2 produced from renewable energies will play a central role in both greenhouse gas
reduction and decarbonization by 2050. Nonetheless, to improve H2 diffusion and utilization …

Biological methanation occurs naturally in the specific rock environment of some
underground gas reservoirs. To use the natural potential of hydrogenotrophic methanogenic …

The process of biological methanation (BM), which involves the reaction between carbon
dioxide (CO 2) and hydrogen (H 2) producing methane (CH 4), is a circular economy …

Depleted gas reservoirs are a valuable option for underground hydrogen storage (UHS).
However, different classes of microorganisms, which are capable of using free H2 as a …

Amidst the rapid development of renewable energy, the intermittency and instability of
energy supply pose severe challenges and impose higher requirements on energy storage …

E-materials become e-waste once they have been discarded without the intent of reuse. Due
to its rich content of metals, among which many are Critical Raw Materials (CRMs), e-waste …