Table 3.

Some of the reported storage capacity of hydrogen in CNTs

Reference	Stored hydrogen (wt%)	Discharge capacity	Material
Nutzenadel et al. [45]	0.39	110	SWNT
Rajalakshmi et al. [46]	2.9	800	SWNT
Gao et al. [47]	1.051	297	MWNT
Frackowaiak et al. [24]	<0.5	<141	SWNT
Dai et al. [48]	1.84	503	Aligned SWNT