Nanoengineered Carbon Scaffolds for Hydrogen Storage

Ashley D. Leonard, Jared L. Hudson, Hua Fan, Richard Booker, Lin J. Simpson, Kevin J. O'Neill, Philip A. Parilla, Michael J. Heben, Matteo Pasquali, Carter Kittrell, James M. Tour

Research output: Contribution to journalArticlepeer-review

74 Scopus Citations

Abstract

Single-walled carbon nanotube (SWCNT) fibers were engineered to become a scaffold for the storage of hydrogen. Carbon nanotube fibers were swollen in oleum (fuming sulfuric acid), and organic spacer groups were covalently linked between the nanotubes using diazonium functionalization chemistry to 3-dimensional (3-D) frameworks for the adsorption of hydrogen molecules. These 3-D nanoengineered fibers physisorb twice as much hydrogen per unit surface area as do typical macroporous carbon materials. These fiber-based systems can have high density, and combined with the outstanding thermal conductivity of carbon nanotubes, this points a way toward solving the volumetric and heat-transfer constraints that limit some other hydrogen-storage supports.

Original languageAmerican English
Pages (from-to)723-728
Number of pages6
JournalJournal of the American Chemical Society
Volume131
Issue number2
DOIs
StatePublished - 2009

NREL Publication Number

  • NREL/JA-590-45110

Keywords

  • basic sciences
  • materials science

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