id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajst-31229	Cheng, Hao	A Review on Large-Scale Underground Hydrogen Storage Technologies	2025	4	.pdf	application/pdf	2560	174	38	Industrial-scale Cost Analysis of Underground Hydrogen Storage The cost of hydrogen storage is a critical component of the overall hydrogen supply chain. As shown in table2, Salt caverns—created by solution mining of halite deposits—are widely regarded as the most suitable geological formation for hydrogen storage due to their nearly impermeable nature, absence of microbial activity, and ability to self-heal minor fractures.	cache/ajst-31229.pdf	txt/ajst-31229.txt