Molecular Simulation of Hydrogen Storage in Ion-Exchanged X Zeolites

Table 1

Lennard-Jones parameters used for hydrogen adsorption on ion-exchanged X zeolite.

Atom type	ε (kcal/mol)	σ (⊕)	Reference
H	0.0726	2.958	[22]
Si	0.0370	0.076	[23]
Al	0.0384	1.140	[23]
O	0.3342	3.040	[23]
Li	0.0249	2.180	[24]
K	0.0356	3.020	[24]
Ca	0.1553	2.980	[24]