Methods for controlling pore morphology in aerogels using electric fields and products thereof

Worsley, Marcus A.; Baumann, Theodore F.; Satcher, Jr., Joe H.; Olson, Tammy Y.; Kuntz, Joshua D.; Rose, Klint A.

Title: Methods for controlling pore morphology in aerogels using electric fields and products thereof

Patent · Sat Dec 16 00:00:00 EST 2017

OSTI ID:1414912

Worsley, Marcus A.; Baumann, Theodore F.; Satcher, Jr., Joe H.; Olson, Tammy Y.; Kuntz, Joshua D.; Rose, Klint A.

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.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC52-07NA27344

Assignee:: Lawrence Livermore National Security, LLC (Livermore, CA)

Patent Number(s):: 9,852,824

Application Number:: 13/180,440

OSTI ID:: 1414912

Resource Relation:: Patent File Date: 2011 Jul 11

Country of Publication:: United States

Language:: English

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Optimization of Electroactive Hydrogel Actuators O’Grady, Megan L.; Kuo, Po-ling; Parker, Kevin Kit ACS Applied Materials & Interfaces, Vol. 2, Issue 2, p. 343-346 https://doi.org/10.1021/am900755w	journal	December 2009
Fabrication of Net-Shape Functionally Graded Composites by Electrophoretic Deposition and Sintering: Modeling and Experimentation Olevsky, E. A.; Wang, X.; Maximenko, A. Journal of the American Ceramic Society, Vol. 90, Issue 10, p. 3047-3056 https://doi.org/10.1111/j.1551-2916.2007.01838.x	journal	October 2007
Fabrication of Tailored Powder Structures by Electrophoretic Deposition and Sintering Olevsky, Eugene A.; Wang, Xuan Key Engineering Materials, Vol. 434-435, p. 757-760 https://doi.org/10.4028/www.scientific.net/KEM.434-435.757	journal	March 2010
Phase Characterization of Partially Stabilized Zirconia by Raman Spectroscopy Perry, C. H.; Liu, D.-W.; Ingel, Robert P. Journal of the American Ceramic Society, Vol. 68, Issue 8, p. C-184-C-187 https://doi.org/10.1111/j.1151-2916.1985.tb10176.x	journal	August 1985
Gradient profile prediction in functionally graded materials processed by electrophoretic deposition Put, S.; Vleugels, J.; Van Der Biest, O. Acta Materialia, Vol. 51, Issue 20, p. 6303-6317 https://doi.org/10.1016/S1359-6454(03)00463-4	journal	December 2003
Electrofluorescence of dye-tagged polynucleotides Ridler, P. J.; Jennings, B. R. Polymer, Vol. 37, Issue 22, p. 4953-4960 https://doi.org/10.1016/0032-3861(96)00604-0	journal	October 1996
Electrooptical properties of a nematic liquid crystal adsorbed in cellulose membrane Różański, Stanisław A. Synthetic Metals, Vol. 109, Issue 1-3, p. 245-248 https://doi.org/10.1016/S0379-6779(99)00227-1	journal	March 2000
Electric-Field-Assisted Assembly of Perpendicularly Oriented Nanorod Superlattices Ryan, Kevin M.; Mastroianni, Alex; Stancil, Kimani A. Nano Letters, Vol. 6, Issue 7, p. 1479-1482 https://doi.org/10.1021/nl060866o	journal	July 2006
Ordered Mesoporous Carbons Ryoo, R.; Joo, S. H.; Kruk, M. Advanced Materials, Vol. 13, Issue 9, p. 677-681 https://doi.org/10.1002/1521-4095(200105)13:9<677::AID-ADMA677>3.0.CO;2-C	journal	May 2001
Electrophoretic Codeposition of La_0.6Sr_0.4Co_0.8Fe_0.2O_3−δ and Carbon Nanotubes for Developing Composite Cathodes for Intermediate Temperature Solid Oxide Fuel Cells Santillán, Maria J.; Caneiro, Alberto; Lovey, Francisco C. International Journal of Applied Ceramic Technology, Vol. 7, Issue 1, p. 30-40 https://doi.org/10.1111/j.1744-7402.2009.02413.x	journal	January 2010
Electric-Field-Responsive Lithium-Ion Conductors of Propylenecarbonate-Based Columnar Liquid Crystals Shimura, Harutoki; Yoshio, Masafumi; Hamasaki, Atsushi Advanced Materials, Vol. 21, Issue 16, p. 1591-1594 https://doi.org/10.1002/adma.200802252	journal	April 2009
Graded/Gradient Porous Biomaterials Miao, Xigeng; Sun, Dan Materials, Vol. 3, Issue 12, p. 26-47 https://doi.org/10.3390/ma3010026	journal	December 2009
Electrophoretic deposition from aqueous suspensions for near-shape manufacturing of advanced ceramics and glasses—applications Tabellion, J.; Clasen, R. Journal of Materials Science, Vol. 39, Issue 3, p. 803-811 https://doi.org/10.1023/B:JMSC.0000012907.52051.fb	journal	February 2004
Complex and oriented ZnO nanostructures Tian, Zhengrong R.; Voigt, James A.; Liu, Jun Nature Materials, Vol. 2, Issue 12, p. 821-826 https://doi.org/10.1038/nmat1014	journal	November 2003
Block Copolymers in Electric Fields: A Comparison of Single-Mode and Self-Consistent-Field Approximations Tsori, Yoav; Andelman, David; Lin, Chin-Yet Macromolecules, Vol. 39, Issue 1, p. 289-293 https://doi.org/10.1021/ma051715v	journal	January 2006
Anisotropic Electrical Transport Properties of Aligned Carbon Nanotube/PMMA Films Obtained by Electric-Field-Assisted Thermal Annealing Valentini, Luca; Bon, Silvia Bittolo; Kenny, Josè M. Macromolecular Materials and Engineering, Vol. 293, Issue 11, p. 867-871 https://doi.org/10.1002/mame.200800218	journal	November 2008
Laminated and Functionally Graded Ceramics by Electrophoretic Deposition Van der Biest, Omer; Vandeperre, L.; Put, Stijn Key Engineering Materials, Vol. 333, p. 49-58 https://doi.org/10.4028/www.scientific.net/KEM.333.49	journal	January 2007
Thick Plate-Shaped Al₂O₃/ZrO₂ Composites with Continuous Gradient Processed by Electrophoretic Deposition Vleugels, Jozef; Anné, Guy; Put, Stijn Materials Science Forum, Vol. 423-425, p. 171-176 https://doi.org/10.4028/www.scientific.net/MSF.423-425.171	journal	January 2003
Porous polytetrafluoroethylene (PTFE) electret films: porosity and time dependent charging behavior of the free surface Wegener, Michael; Wirges, Werner; Tiersch, Brigitte Journal of Porous Materials, Vol. 14, Issue 1, p. 111-118 https://doi.org/10.1007/s10934-006-9015-0	journal	December 2006
12. Preparation of Polycrystalline Ceramic Compacts Made of Alumina Powder with a Bimodal Particle Size Distribution for Hot Isostatic Pressing Wolff, Matthias; Braun, Adelina; Bartscherer, Erik 27th Annual Cocoa Beach Conference on Advanced Ceramics and Composites: A: Ceramic Engineering and Science Proceedings, Vol. 24, Issue 3 https://doi.org/10.1002/9780470294802.ch12	book	January 2003
3-D micro-ceramic components from hydrothermally processed carbon nanotube–boehmite powders by electrophoretic deposition Zaman, Ali Can; Üstündağ, Cem B.; Kuşkonmaz, Nilgün Ceramics International, Vol. 36, Issue 5, p. 1703-1710 https://doi.org/10.1016/j.ceramint.2010.03.008	journal	July 2010
Orientation and Dynamics of ZnO Nanorod Liquid Crystals in Electric Fields Zorn, Matthias; Tahir, Muhammad Nawaz; Bergmann, Björn Macromolecular Rapid Communications, Vol. 31, Issue 12, p. 1101-1107 https://doi.org/10.1002/marc.201000049	journal	May 2010

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