Small-Angle Neutron Scattering for In Situ Probing of Ion Adsorption Inside Micropores

Confined ions: The high penetrating power and sensitivity of neutron scattering to isotope substitution are harnessed to observe changes in the ion concentration in a porous carbon material as a function of the applied potential and the pore size. Depending on the solvent properties and the solvent–...

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Published inAngewandte Chemie International Edition Vol. 52; no. 17; pp. 4618 - 4622
Main Authors Boukhalfa, S., He, L., Melnichenko, Y. B., Yushin, Gleb
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 22.04.2013
WILEY‐VCH Verlag
Subjects
adsorption
carbon
energy storage
nanoporous materials
small-angle neutron scattering
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Summary:Confined ions: The high penetrating power and sensitivity of neutron scattering to isotope substitution are harnessed to observe changes in the ion concentration in a porous carbon material as a function of the applied potential and the pore size. Depending on the solvent properties and the solvent–pore‐wall interactions, either enhanced or reduced ion electroadsorption may take place.
Bibliography:This work was partially supported by the Georgia Institute of Technology and the US Army Research Office (contract number W911NF-12-1-0259). The research at ORNL's High Flux Isotope Reactor was sponsored by the Laboratory Directed Research and Development Program and the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy. This research was also supported in part by the ORNL Postdoctoral Research Associates Program, administered jointly by the ORNL and the Oak Ridge Institute for Science and Education. We thank Micromeritics Inc. (US) and J. Jagiello for assistance with gas and vapor sorption analyses.
ark:/67375/WNG-650BFK15-Q
US Army Research Office - No. W911NF-12-1-0259
Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy
istex:2AF3CB6A45D122A616CDA6BA05BBC797A7BBCDED
ArticleID:ANIE201209141
Georgia Institute of Technology
This work was partially supported by the Georgia Institute of Technology and the US Army Research Office (contract number W911NF‐12‐1‐0259). The research at ORNL’s High Flux Isotope Reactor was sponsored by the Laboratory Directed Research and Development Program and the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy. This research was also supported in part by the ORNL Postdoctoral Research Associates Program, administered jointly by the ORNL and the Oak Ridge Institute for Science and Education. We thank Micromeritics Inc. (US) and J. Jagiello for assistance with gas and vapor sorption analyses.
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ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201209141