期刊
APPLIED PHYSICS LETTERS
卷 82, 期 7, 页码 1105-1107出版社
AMER INST PHYSICS
DOI: 10.1063/1.1555262
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The hydrogen storage capacity of five types of commercially available carbon materials with different nanostructures was measured at up to 8 MPa at room temperature using an apparatus based on a volumetric method with an error of less than 0.04 wt %/gr. The highest storage capacity of 0.43 wt % was obtained for purified HiPco(TM) single-walled carbon nanotubes (SWNTs). In the SWNTs, the hydrogen density in pores with a diameter of less than 1 nm was estimated to be a 0.022 g/ml, which corresponds to 31% of the density of liquid hydrogen. Issues in the development of carbon-based hydrogen storage media are discussed. (C) 2003 American Institute of Physics.
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