Open-Tip Carbon Nanotubes for Enhanced Methane Adsorption Performance: A Comparative Study

Table 3

Adsorption parameters of the D-A model for methane adsorption isotherms.

D-A model	O-CNT	L-CNT	M-CNT	H-CNT
(mg/g)	13.62	18.55	24.00	26.15
E (kJ/mol)	5.59	5.27	5.75	5.55
t	1.73	1.53	1.47	1.15
Mean relative deviation δ (%)	0.68	1.75	1.02	1.01