Evaluation of the Influencing Factors of Using Underground Space of Abandoned Coal Mines to Store Hydrogen Based on the Improved ANP Method

Table 6

Information study on the degree of influencing factors of the coal mine.

	Development degree of fault fissure	Rock mass stability	Maximum gas storage pressure	Available gas storage space	Gas storage duration	Airtightness treatment
CM1	High	Poor	Higher	Large	Long	Good
CM2	Lower	Moderate	Higher	Small	Short	Good
CM3	Low	Better	High	Larger	Moderate	Good
CM4	Higher	Good	Low	Medium	Longer	Better
CM5	Higher	Good	Lower	Medium	Shorter	Weak
CM6	High	Difference	Medium	Smaller	Long	Good
CM7	High	Better	Medium	Small	Long	Better
CM8	Medium	Difference	Low	Bigger	Shorter	Poor
CM9	Higher	Better	Higher	Bigger	Longer	Poor
CM10	Lower	Good	High	Small	Longer	Good