High temperature oxygen treated carbon aerogels

Stadermann, Michael; Baumann, Theodore F.; Gash, Alexander E.; Parra, Alex P.

Title: High temperature oxygen treated carbon aerogels

Patent · Tue Jun 26 00:00:00 EDT 2018

OSTI ID:1459575

Stadermann, Michael; Baumann, Theodore F.; Gash, Alexander E.; Parra, Alex P.

Disclosed here is a method for increasing the hydrophilicity of a carbon aerogel, comprising heating the carbon aerogels under air or a gas having a higher concentration of oxygen than air at a temperature of about 200.degree.-500.degree. C. to obtain an activated carbon aerogel. Also disclosed include an activated carbon aerogel obtained by the method, an electrode comprising the activated carbon aerogel, and a supercapacitor or capacitive deionization device comprising the electrode.

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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):: 10,008,338

Application Number:: 14/994,854

OSTI ID:: 1459575

Resource Relation:: Patent File Date: 2016 Jan 13

Country of Publication:: United States

Language:: English

References (8)

Preparation of carbon aerogel electrodes for supercapacitor and their electrochemical characteristics Kim, S. J.; Hwang, S. W.; Hyun, S. H. Journal of Materials Science, Vol. 40, Issue 3, p. 725-731 https://doi.org/10.1007/s10853-005-6313-x	journal	February 2005
Process for producing carbon foams for energy storage devices Kaschmitter, James L.; Mayer, Steven T.; Pekala, Richard W. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5789338 US Patent Document 5,789,338	patent	August 1998
High surface area carbon aerogels for supercapacitors Saliger, R.; Fischer, U.; Herta, C. Journal of Non-Crystalline Solids, Vol. 225, p. 81-85 https://doi.org/10.1016/S0022-3093(98)00104-5	journal	April 1998
Capacitance control of carbon aerogel electrodes Hwang, Sung-Woo; Hyun, Sang-Hoon Journal of Non-Crystalline Solids, Vol. 347, Issue 1-3, p. 238-245 https://doi.org/10.1016/j.jnoncrysol.2004.07.075	journal	November 2004
Tailoring of Morphology and Surface Properties of Syndiotactic Polystyrene Aerogels Wang, Xiao; Jana, Sadhan C. Langmuir, Vol. 29, Issue 18 https://doi.org/10.1021/la400492m	journal	April 2013
Foam material consisting predominantly of carbon having a high inner surface and method for the production thereof Rotermund, Udo; Hempel, Renate; Hesse, Michael https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20060014908 US Patent Application 10/526930; 20060014908	patent-application	January 2006
Hydrophilicity-Controlled Carbon Aerogels with High Mesoporosity Tao, Yousheng; Endo, Morinobu; Kaneko, Katsumi Journal of the American Chemical Society, Vol. 131, Issue 3, p. 904-905 https://doi.org/10.1021/ja808132u	journal	January 2009
High surface area carbon aerogel monoliths with hierarchical porosity Baumann, Theodore F.; Worsley, Marcus A.; Han, T. Yong-Jin Journal of Non-Crystalline Solids, Vol. 354, Issue 29, p. 3513-3515 https://doi.org/10.1016/j.jnoncrysol.2008.03.006	journal	July 2008

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