Hydrogen storage in nanoporous carbon materials: Myth and facts

Piotr Kowalczyk, Robert Hołyst, Mauricio Terrones, Humberto Terrones

Research output: Contribution to journalArticle

104 Citations (Scopus)

Abstract

We used Grand canonical Monte Carlo simulation to model the hydrogen storage in the primitive, gyroid, diamond, and quasi-periodic icosahedral nanoporous carbon materials and in carbon nanotubes. We found that none of the investigated nanoporous carbon materials satisfy the US Department of Energy goal of volumetric density and mass storage for automotive application (6 wt% and 45 kg H2 m-3) at considered storage condition. Our calculations indicate that quasi-periodic icosahedral nanoporous carbon material can reach the 6 wt% at 3.8 MPa and 77 K, but the volumetric density does not exceed 24 kg H2 m-3. The bundle of single-walled carbon nanotubes can store only up to 4.5 wt%, but with high volumetric density of 42 kg H2 m-3. All investigated nanoporous carbon materials are not effective against compression above 20 MPa at 77 K because the adsorbed density approaches the density of the bulk fluid. It follows from this work that geometry of carbon surfaces can enhance the storage capacity only to a limited extent. Only a combination of the most effective structure with appropriate additives (metals) can provide an efficient storage medium for hydrogen in the quest for a source of "clean" energy.

Original languageEnglish (US)
Pages (from-to)1786-1792
Number of pages7
JournalPhysical Chemistry Chemical Physics
Volume9
Issue number15
DOIs
StatePublished - Apr 16 2007

Fingerprint

Hydrogen storage
Carbon
carbon
hydrogen
carbon nanotubes
clean energy
Carbon Nanotubes
Diamond
Single-walled carbon nanotubes (SWCN)
bundles
Hydrogen
Compaction
Metals
diamonds
Fluids
Geometry
fluids
geometry
metals
simulation

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

Cite this

Kowalczyk, Piotr ; Hołyst, Robert ; Terrones, Mauricio ; Terrones, Humberto. / Hydrogen storage in nanoporous carbon materials : Myth and facts. In: Physical Chemistry Chemical Physics. 2007 ; Vol. 9, No. 15. pp. 1786-1792.
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Hydrogen storage in nanoporous carbon materials : Myth and facts. / Kowalczyk, Piotr; Hołyst, Robert; Terrones, Mauricio; Terrones, Humberto.

In: Physical Chemistry Chemical Physics, Vol. 9, No. 15, 16.04.2007, p. 1786-1792.

Research output: Contribution to journalArticle

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