Abstract

Exfoliation of graphite nanofibers (GNF) expands the interplanar spacing of the GNF, which leads to increased hydrogen storage. Hydrogen uptake measurements at 20 bar indicated that the overall hydrogen uptake and operative adsorption temperature are sensitive to the structural variations and graphitic spacing. The increased surface area of the EGNF-1000 led to a 1.2% hydrogen uptake at 77 K and 20 bar, a three-fold increase in hydrogen physisorption of the starting material. These results suggested that selective exfoliation of a nanofiber is a means by which to control the relative binding energy of the hydrogen interaction with the carbon structure and thus vary the operative adsorption temperature. This is an abstract of a paper presented at the ACS Fuel Chemistry Meeting (Washington, DC Fall 2005).

Meeting Name

230th American Chemical Society (ACS), Division of Fuel Chemistry National Meeting (2005, Aug. 28-Sep. 1, Washington, DC)

Department(s)

Chemical and Biochemical Engineering

Sponsor(s)

Pennsylvania State University.Institute for the EnvironmentPennsylvania State University.Energy InstitutePennsylvania State.College of Earth and Mineral SciencesPennsylvania State University.H2E Center

Comments

This work was funded through start-up funds proved by PSU's Institute for the Environment, The Energy Institute, and the College of Earth & Mineral Sciences. Funding for exfoliation of carbon for hydrogen storage was provided, in part, by the H2E Center at Penn State University.

International Standard Serial Number (ISSN)

0569-3772

Document Type

Article - Conference proceedings

Document Version

Final Version

File Type

text

Language(s)

English

Rights

© 2004 American Chemical Society (ACS), Division of Fuel Chemistry, All rights reserved.

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