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Several kinds of multi-wall carbon nanotubes (MWNTs) with different morphology were synthesized using catalytic decomposition of hydrocarbons over different metal catalysts.The products were characterized by TEM, HREM and SEM. Hydrogen adsorption properties of the MWNTs were investigated by volumetric measurement at room temperature under a modest pressure(6—7 MPa).The results indicate that both the structure of the MWNTs and the metal catalysts will affect the hydrogen adsorption capacity of the samples.
Several kinds of multi-wall carbon nanotubes (MWNTs) with different morphology were synthesized using catalytic decomposition of hydrocarbons over different metal catalysts. The products were characterized by TEM, HREM and SEM. Hydrogen adsorption properties of the MWNTs were investigated by volumetric measurement at room temperature under a modest pressure (6-7 MPa). The results indicate that both the structure of the MWNTs and the metal catalysts will affect the hydrogen adsorption capacity of the samples.