Chapter 7: Physics of Hydrogen flow in porous media: Two-phase (or multi-phase) flow of hydrogen in porous geological storage/fluid flow involved in UHS
Chapter 8: Physiochemical consideration/aspects of UHS
Chapter 9: Geochemical and mineralogical consideration/aspects of UHS
Chapter 10: Microbial consideration/aspects of UHS
Chapter 11: Experimental, Modeling and Simulation studies for UHS
Chapter 12: Government policies, guidelines, initiatives, and supports (also consider public/ecological opinion and legal context)
Chapter 13: Worldwide Possibilities of Underground Hydrogen Storage (including initiatives and ongoing projects)
Chapter 14: Current status with the help of a few case studies (consider each chapter)
Chapter 15: Prospects and Challenges of Hydrogen Storage