PAN-based Pd-doped activated carbon fibres for hydrogen storage: Preparation, a new method for chemical activation and characterization of fibres

Serkan Bas, Ozgul Hakli, Ahu Gumrah Dumanli, Yuda Yurum

Research output: Contribution to journalArticlepeer-review

Abstract

The preparation of ACFs from PAN fibers under various conditions and the method to load Pd on ACFs were
described. Chemical activation of the fibers increased the surface areas of the fibers from about 64 m2/g to 381 m2/g.
SEM micrographs of Pd-loaded indicated the diameters of the fibers were in the range of 1.0-10.0 mm. Diameters of
metallic Pd particles on the fibers changed between 80 nm and 100 nm. 4.5% (by wt) metallic palladium was deposited
on the ACFs. This high percentage of palladium deposited on ACFs is useful for hydrogen storage, since Pd-H system
is established under a wide range of pressure and temperature.
Original languageEnglish
Pages (from-to)247-253
Number of pages7
JournalHacettepe Journal of Biology and Chemistry
Volume36
Issue number3
Publication statusPublished - 2008

Keywords

  • Polyacrylonitrile fibers
  • activated carbon fibers
  • BET surface area
  • scanning electron microscopy.

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