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Methods for controlling pore morphology in aerogels using electric fields and products thereof [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2017.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Additional Creators
Lawrence Berkeley National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
In one embodiment, an aerogel or xerogel includes column structures of a material having minor pores therein and major pores devoid of the material positioned between the column structures, where longitudinal axes of the major pores are substantially parallel to one another. In another embodiment, a method includes heating a sol including aerogel or xerogel precursor materials to cause gelation thereof to form an aerogel or xerogel and exposing the heated sol to an electric field, wherein the electric field causes orientation of a microstructure of the sol during gelation, which is retained by the aerogel or xerogel. In one approach, an aerogel has elongated pores extending between a material arranged in column structures having structural characteristics of being formed from a sol exposed to an electric field that causes orientation of a microstructure of the sol during gelation which is retained by the elongated pores of the aerogel.
Report Numbers
E 1.99:9,852,824
9,852,824
Subject(s)
Note
Published through SciTech Connect.
12/16/2017.
"9,852,824"
"13/180,440"
Marcus A. Worsley; Theodore F. Baumann; Joe H. Satcher, Jr.; Tammy Y. Olson; Joshua D. Kuntz; Klint A. Rose.
Funding Information
AC52-07NA27344
View MARC record | catkey: 24043086