Phys. Rev. B 77, 081405(R) (2008) [4 pages]Evidence for large hydrogen storage capacity in single-walled carbon nanotubes encapsulated by electroplating Pd onto a Pd substrate
We report a study of hydrogen storage in an alternative material, representing single-walled carbon nanotubes (SWCNTs) encapsulated by thin Pd layers onto a Pd substrate. A synergetic effect resulting in combination of the Pd and the SWCNTs properties with regards to hydrogen has been achieved. Adding SWCNTs increases the H2 capacity of the Pd-SWCNT composite by up to 25% relative to Pd metal alone under electrochemical loading. This results in a storage capacity of 8–12 wt %. with regard to the added SWCNTs. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.77.081405
DOI:
10.1103/PhysRevB.77.081405
PACS:
81.07.De, 61.46.−w, 61.82.Bg, 68.43.−h
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